1 | //libroaross.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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5 | * |
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6 | * This file is part of libroar a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * libroar is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | * NOTE for everyone want's to change something and send patches: |
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25 | * read README and HACKING! There a addition information on |
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26 | * the license of this document you need to read before you send |
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27 | * any patches. |
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28 | * |
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29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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30 | * or libpulse*: |
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31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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32 | * and are therefore GPL. Because of this it may be illigal to use |
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33 | * them with any software that uses libesd, libartsc or libpulse*. |
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34 | */ |
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35 | |
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36 | #include "roaraudio.h" |
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37 | #include "libroarlight/libroarlight.h" |
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38 | |
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39 | #if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS) |
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40 | #if defined(__OpenBSD__) || defined(__NetBSD__) |
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41 | #include <soundcard.h> |
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42 | #else |
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43 | #include <sys/soundcard.h> |
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44 | #endif |
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45 | #include <sys/ioctl.h> |
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46 | |
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47 | #ifdef ROAR_HAVE_H_SYS_TYPES |
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48 | #include <sys/types.h> |
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49 | #endif |
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50 | |
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51 | #ifdef ROAR_HAVE_H_FCNTL |
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52 | #include <fcntl.h> |
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53 | #endif |
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54 | |
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55 | #ifdef ROAR_HAVE_H_UNISTD |
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56 | #include <unistd.h> |
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57 | #endif |
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58 | |
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59 | #include <sys/stat.h> |
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60 | #include <dlfcn.h> |
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61 | #include <stdarg.h> |
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62 | |
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63 | #if defined(RTLD_NEXT) |
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64 | #define REAL_LIBC RTLD_NEXT |
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65 | #else |
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66 | #define REAL_LIBC ((void *) -1L) |
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67 | #endif |
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68 | |
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69 | #ifndef ENOTSUP |
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70 | #define ENOTSUP ENOSYS |
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71 | #endif |
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72 | |
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73 | #ifndef O_DIRECTORY |
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74 | #define O_DIRECTORY 0 |
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75 | #endif |
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76 | |
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77 | #ifndef O_DIRECT |
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78 | #define O_DIRECT 0 |
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79 | #endif |
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80 | |
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81 | #ifndef O_LARGEFILE |
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82 | #define O_LARGEFILE 0 |
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83 | #endif |
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84 | |
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85 | #ifndef O_NOATIME |
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86 | #define O_NOATIME 0 |
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87 | #endif |
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88 | |
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89 | #define _O_PARA_DIR (O_RDONLY|O_WRONLY|O_RDWR) |
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90 | #define _O_PARA_IGN (O_DIRECT|O_APPEND|O_LARGEFILE|O_NOATIME|O_NOCTTY|O_TRUNC) |
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91 | |
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92 | #if defined(ROAR_OS_NETBSD) && defined(ioctl) |
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93 | #define IOCTL_IS_ALIAS |
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94 | #endif |
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95 | |
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96 | #ifdef ROAR_OS_FREEBSD |
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97 | #define _VA_ARGS_MODE_T int |
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98 | #else |
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99 | #define _VA_ARGS_MODE_T mode_t |
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100 | #endif |
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101 | |
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102 | #ifdef ROAR_OS_FREEBSD |
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103 | #define _CREAT_ARG_PATHNAME path |
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104 | #else |
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105 | #define _CREAT_ARG_PATHNAME pathname |
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106 | #endif |
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107 | |
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108 | #ifdef ROAR_OS_NETBSD |
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109 | #define IOCTL() int _oss_ioctl __P((int fd, unsigned long com, void *argp)) |
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110 | #define map_args int __fd = fd; unsigned long int __request = com |
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111 | #elif defined(ROAR_TARGET_CYGWIN) |
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112 | #define IOCTL() int ioctl (int __fd, int __cmd, ...) |
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113 | #define map_args unsigned long int __request = __cmd; void * argp |
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114 | #define va_argp |
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115 | #define ioctl_lastarg __cmd |
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116 | #else |
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117 | #define IOCTL() int ioctl (int __fd, unsigned long int __request, ...) |
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118 | #define map_args void * argp |
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119 | #define va_argp |
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120 | #define ioctl_lastarg __request |
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121 | #endif |
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122 | |
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123 | #define OSS_VOLUME_SCALE 100 |
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124 | |
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125 | #define _MAX_POINTER 8 |
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126 | |
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127 | // handle type: |
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128 | #define HT_NONE 0 /* Unused object */ |
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129 | #define HT_STREAM 1 /* Stream with no specal handling needed */ |
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130 | #define HT_MIXER 2 /* Mixer device */ |
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131 | #define HT_WAVEFORM 3 /* Waveform device */ |
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132 | #define HT_MIDI 4 /* MIDI device */ |
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133 | #define HT_DMX 5 /* DMX512/DMX4Linux device */ |
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134 | #define HT_VIO 6 /* General VIO object */ |
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135 | #define HT_STATIC 7 /* Static file */ |
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136 | |
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137 | struct session { |
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138 | int refc; |
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139 | struct roar_connection con; |
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140 | }; |
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141 | |
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142 | static struct session _session = {.refc = 0}; |
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143 | |
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144 | struct handle { |
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145 | int refc; // refrence counter |
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146 | struct session * session; |
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147 | int type; |
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148 | int sysio_flags; |
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149 | struct roar_stream stream; |
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150 | struct roar_vio_calls stream_vio; |
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151 | int stream_dir; |
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152 | int stream_opened; |
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153 | size_t stream_buffersize; |
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154 | size_t readc, writec; |
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155 | size_t pos; |
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156 | union { |
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157 | struct { |
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158 | char * data; |
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159 | size_t len; |
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160 | } sf; |
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161 | } userdata; |
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162 | }; |
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163 | |
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164 | static struct { |
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165 | int (*open)(const char *pathname, int flags, mode_t mode); |
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166 | int (*close)(int fd); |
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167 | ssize_t (*write)(int fd, const void *buf, size_t count); |
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168 | ssize_t (*read)(int fd, void *buf, size_t count); |
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169 | #ifndef IOCTL_IS_ALIAS |
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170 | int (*ioctl)(int d, int request, ...); |
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171 | #endif |
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172 | off_t (*lseek)(int fildes, off_t offset, int whence); |
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173 | FILE *(*fopen)(const char *path, const char *mode); |
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174 | int (*dup)(int oldfd); |
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175 | int (*dup2)(int oldfd, int newfd); |
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176 | int (*select)(int nfds, fd_set *readfds, fd_set *writefds, |
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177 | fd_set *exceptfds, struct timeval *timeout); |
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178 | int (*fcntl)(int fd, int cmd, ...); |
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179 | int (*access)(const char *pathname, int mode); |
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180 | int (*open64)(const char *__file, int __oflag, ...); |
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181 | int (*creat)(const char *_CREAT_ARG_PATHNAME, mode_t mode); |
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182 | int (*stat)(const char *path, struct stat *buf); |
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183 | int (*fstat)(int filedes, struct stat *buf); |
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184 | int (*lstat)(const char *path, struct stat *buf); |
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185 | } _os; |
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186 | |
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187 | static struct { |
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188 | struct { |
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189 | int volume; |
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190 | int pcm; |
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191 | int line; |
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192 | int line1; |
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193 | int line2; |
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194 | int line3; |
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195 | int digital1; |
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196 | int digital2; |
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197 | int digital3; |
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198 | } sid; |
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199 | } _mix_settings = { |
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200 | .sid = { |
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201 | .volume = -1, |
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202 | .pcm = -1, |
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203 | .line = 0, |
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204 | .line1 = 1, |
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205 | .line2 = 2, |
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206 | .line3 = 3, |
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207 | .digital1 = 1, |
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208 | .digital2 = 2, |
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209 | .digital3 = 3 |
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210 | } |
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211 | }; |
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212 | |
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213 | static struct pointer { |
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214 | int fh; |
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215 | struct handle * handle; |
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216 | } _ptr[_MAX_POINTER]; |
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217 | |
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218 | |
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219 | static char _sf__dev_sndstat[] = |
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220 | "Sound Driver:RoarAudio\n" |
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221 | "Config options: 0\n" |
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222 | "\n" |
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223 | "Installed drivers:\n" |
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224 | "Type 10: RoarAudio emulation\n" |
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225 | "\n" |
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226 | "Card config:\n" |
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227 | "\n" |
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228 | "Audio devices:\n" |
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229 | "0: RoarAudio OSS emulation (DUPLEX)\n" |
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230 | "\n" |
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231 | "Midi devices:\n" |
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232 | "0: RoarAudio OSS emulation MIDI\n" |
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233 | "\n" |
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234 | "Timers:\n" |
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235 | "\n" |
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236 | "Mixers:\n" |
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237 | "0: RoarAudio OSS emulation Mixer\n" |
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238 | ; |
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239 | |
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240 | static struct devices { |
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241 | char * prefix; |
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242 | int type; |
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243 | size_t len; |
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244 | void * userdata; |
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245 | struct handle * (*open)(const char * file, int flags, mode_t mode, struct devices * ptr); |
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246 | } _device_list[] = { |
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247 | {"/dev/dsp*", HT_WAVEFORM, 0, NULL, NULL}, |
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248 | {"/dev/audio*", HT_WAVEFORM, 0, NULL, NULL}, |
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249 | {"/dev/sound/dsp*", HT_WAVEFORM, 0, NULL, NULL}, |
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250 | {"/dev/sound/audio*", HT_WAVEFORM, 0, NULL, NULL}, |
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251 | {"/dev/mixer*", HT_MIXER, 0, NULL, NULL}, |
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252 | {"/dev/sound/mixer*", HT_MIXER, 0, NULL, NULL}, |
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253 | {"/dev/midi*", HT_MIDI, 0, NULL, NULL}, |
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254 | {"/dev/rmidi*", HT_MIDI, 0, NULL, NULL}, |
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255 | {"/dev/sound/midi*", HT_MIDI, 0, NULL, NULL}, |
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256 | {"/dev/sound/rmidi*", HT_MIDI, 0, NULL, NULL}, |
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257 | {"/dev/dmx*", HT_DMX, 0, NULL, NULL}, |
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258 | {"/dev/misc/dmx*", HT_DMX, 0, NULL, NULL}, |
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259 | {"/dev/dmxin*", HT_DMX, 0, NULL, NULL}, |
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260 | {"/dev/misc/dmxin*", HT_DMX, 0, NULL, NULL}, |
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261 | {"/dev/sndstat", HT_STATIC, sizeof(_sf__dev_sndstat)-1, _sf__dev_sndstat, NULL}, |
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262 | #ifdef ROAR_DEFAULT_OSS_DEV |
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263 | {ROAR_DEFAULT_OSS_DEV, HT_WAVEFORM, 0, NULL, NULL}, |
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264 | #endif |
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265 | {NULL, HT_NONE, 0, NULL, NULL}, |
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266 | }; |
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267 | |
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268 | |
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269 | static int _update_nonblock (struct handle * handle); |
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270 | |
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271 | static void _init_os (void) { |
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272 | memset(&_os, 0, sizeof(_os)); |
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273 | |
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274 | // if call roar_dl_getsym() here all applications will segfaul. |
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275 | // why? |
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276 | |
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277 | _os.open = dlsym(REAL_LIBC, "open"); |
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278 | _os.close = dlsym(REAL_LIBC, "close"); |
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279 | _os.write = dlsym(REAL_LIBC, "write"); |
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280 | _os.read = dlsym(REAL_LIBC, "read"); |
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281 | #ifndef IOCTL_IS_ALIAS |
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282 | _os.ioctl = dlsym(REAL_LIBC, "ioctl"); |
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283 | #endif |
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284 | _os.lseek = dlsym(REAL_LIBC, "lseek"); |
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285 | _os.fopen = dlsym(REAL_LIBC, "fopen"); |
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286 | _os.dup = dlsym(REAL_LIBC, "dup"); |
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287 | _os.dup2 = dlsym(REAL_LIBC, "dup2"); |
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288 | _os.select = dlsym(REAL_LIBC, "select"); |
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289 | _os.fcntl = dlsym(REAL_LIBC, "fcntl"); |
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290 | _os.access = dlsym(REAL_LIBC, "access"); |
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291 | _os.open64 = dlsym(REAL_LIBC, "open64"); |
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292 | _os.creat = dlsym(REAL_LIBC, "creat"); |
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293 | _os.stat = dlsym(REAL_LIBC, "stat"); |
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294 | _os.fstat = dlsym(REAL_LIBC, "fstat"); |
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295 | _os.lstat = dlsym(REAL_LIBC, "lstat"); |
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296 | } |
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297 | |
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298 | static void _init_ptr (void) { |
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299 | int i; |
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300 | |
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301 | for (i = 0; i < _MAX_POINTER; i++) { |
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302 | _ptr[i].fh = -1; |
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303 | } |
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304 | } |
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305 | |
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306 | static void _init (void) { |
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307 | static int inited = 0; |
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308 | |
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309 | if ( !inited ) { |
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310 | _init_os(); |
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311 | _init_ptr(); |
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312 | roar_vio_select(NULL, 0, NULL, NULL); |
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313 | inited++; |
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314 | } |
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315 | } |
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316 | |
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317 | static void _find_volume_sid (struct session * session) { |
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318 | int i; |
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319 | int num; |
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320 | int id[ROAR_STREAMS_MAX]; |
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321 | struct roar_stream s; |
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322 | char name[1024]; |
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323 | |
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324 | ROAR_DBG("_find_volume_sid(session=%p) = ?", session); |
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325 | |
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326 | if ( (num = roar_list_streams(&(session->con), id, ROAR_STREAMS_MAX)) == -1 ) { |
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327 | return; |
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328 | } |
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329 | |
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330 | for (i = 0; i < num; i++) { |
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331 | if ( roar_get_stream(&(session->con), &s, id[i]) == -1 ) |
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332 | continue; |
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333 | |
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334 | if ( s.dir != ROAR_DIR_MIXING ) |
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335 | continue; |
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336 | |
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337 | if ( roar_stream_get_name(&(session->con), &s, name, 1024) == -1 ) |
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338 | continue; |
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339 | |
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340 | if ( !strcasecmp(name, "Waveform Mixer") ) { |
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341 | _mix_settings.sid.volume = id[i]; |
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342 | ROAR_DBG("_find_volume_sid(session=%p): found waveform mixer at sid %i", session, id[i]); |
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343 | ROAR_DBG("_find_volume_sid(session=%p) = (void)", session); |
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344 | return; |
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345 | } |
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346 | } |
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347 | } |
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348 | |
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349 | static int _open_dummy (void) { |
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350 | int p[2]; |
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351 | |
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352 | if ( pipe(p) == -1 ) |
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353 | return -1; |
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354 | |
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355 | close(p[1]); |
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356 | |
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357 | return p[0]; |
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358 | } |
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359 | |
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360 | static struct session * _open_session (char * server, char * name) { |
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361 | struct session * ses = &_session; |
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362 | int new_session = getenv("ROAR_OSS_NEW_SESSION") == NULL ? 0 : 1; |
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363 | |
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364 | ROAR_DBG("_open_session(server='%s', name='%s') = ?", server, name); |
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365 | ROAR_DBG("_open_session(server='%s', name='%s'): _session.refc=%i", server, name, _session.refc); |
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366 | |
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367 | if ( new_session ) { |
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368 | ses = roar_mm_malloc(sizeof(struct session)); |
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369 | if ( ses == NULL ) |
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370 | return NULL; |
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371 | |
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372 | memset(ses, 0, sizeof(struct session)); |
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373 | } |
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374 | |
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375 | if ( ses->refc == 0 ) { |
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376 | |
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377 | if ( name == NULL ) |
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378 | name = getenv("ROAR_OSS_CLIENT_NAME"); |
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379 | |
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380 | if ( name == NULL ) |
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381 | name = "libroaross client"; |
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382 | |
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383 | if ( roar_simple_connect(&(ses->con), server, name) == -1 ) { |
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384 | if ( new_session ) |
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385 | roar_mm_free(ses); |
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386 | |
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387 | return NULL; |
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388 | } |
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389 | |
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390 | _find_volume_sid(ses); |
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391 | |
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392 | if ( !new_session ) { |
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393 | if ( getenv("ROAR_OSS_KEEP_SESSION") != NULL ) |
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394 | ses->refc++; |
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395 | } |
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396 | } |
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397 | |
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398 | ses->refc++; |
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399 | |
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400 | ROAR_DBG("_open_session(server='%s', name='%s') = %p", server, name, ses); |
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401 | return ses; |
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402 | } |
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403 | |
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404 | static void _close_session(struct session * session) { |
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405 | if ( session == NULL ) |
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406 | return; |
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407 | |
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408 | session->refc--; |
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409 | |
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410 | ROAR_DBG("_close_session(session=%p): session->refc=%i", session, session->refc); |
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411 | |
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412 | if ( session->refc == 0 ) { |
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413 | roar_disconnect(&(session->con)); |
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414 | } |
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415 | |
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416 | if ( session != &_session ) |
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417 | roar_mm_free(session); |
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418 | } |
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419 | |
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420 | static struct handle * _open_handle(struct session * session) { |
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421 | struct handle * handle; |
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422 | |
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423 | ROAR_DBG("_open_handle(session=%p) = ?", session); |
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424 | |
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425 | if ( (handle = roar_mm_malloc(sizeof(struct handle))) == NULL ) |
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426 | return NULL; |
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427 | |
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428 | memset(handle, 0, sizeof(struct handle)); |
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429 | |
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430 | handle->refc = 1; |
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431 | handle->session = session; |
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432 | |
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433 | if ( session != NULL ) |
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434 | session->refc++; // TODO: better warp this |
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435 | |
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436 | handle->type = HT_NONE; |
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437 | handle->stream_dir = ROAR_DIR_PLAY; |
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438 | roar_stream_new(&(handle->stream), ROAR_RATE_DEFAULT, ROAR_CHANNELS_DEFAULT, ROAR_BITS_DEFAULT, ROAR_CODEC_DEFAULT); |
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439 | |
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440 | ROAR_DBG("_open_handle(session=%p) = %p", session, handle); |
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441 | return handle; |
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442 | } |
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443 | |
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444 | static void _close_handle(struct handle * handle) { |
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445 | int need_close = 0; |
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446 | |
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447 | if (handle == NULL) |
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448 | return; |
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449 | |
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450 | handle->refc--; |
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451 | |
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452 | ROAR_DBG("_close_handle(handle=%p): handle->refc=%i", handle, handle->refc); |
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453 | |
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454 | if ( handle->refc == 0 ) { |
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455 | switch (handle->type) { |
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456 | case HT_VIO: |
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457 | need_close = 1; |
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458 | break; |
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459 | case HT_STREAM: |
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460 | if ( handle->stream_opened ) |
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461 | need_close = 1; |
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462 | break; |
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463 | } |
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464 | |
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465 | if ( need_close ) |
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466 | roar_vio_close(&(handle->stream_vio)); |
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467 | |
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468 | if ( handle->session != NULL ) { |
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469 | handle->session->refc--; |
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470 | |
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471 | _close_session(handle->session); |
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472 | } |
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473 | |
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474 | roar_mm_free(handle); |
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475 | } |
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476 | } |
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477 | |
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478 | static struct pointer * _get_pointer_by_fh (int fh) { |
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479 | int i; |
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480 | |
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481 | for (i = 0; i < _MAX_POINTER; i++) { |
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482 | if ( _ptr[i].fh == fh ) |
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483 | return &(_ptr[i]); |
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484 | } |
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485 | |
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486 | return NULL; |
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487 | } |
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488 | |
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489 | static struct pointer * _open_pointer(struct handle * handle) { |
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490 | struct pointer * ret = _get_pointer_by_fh(-1); |
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491 | |
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492 | if ( ret == NULL ) |
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493 | return NULL; |
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494 | |
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495 | if ( (ret->fh = _open_dummy()) == -1 ) |
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496 | return NULL; |
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497 | |
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498 | ret->handle = handle; |
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499 | |
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500 | return ret; |
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501 | } |
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502 | |
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503 | static struct pointer * _attach_pointer(struct handle * handle, int fh) { |
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504 | struct pointer * ret = _get_pointer_by_fh(-1); |
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505 | |
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506 | if ( ret == NULL ) |
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507 | return NULL; |
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508 | |
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509 | if ( (ret->fh = fh) == -1 ) |
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510 | return NULL; |
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511 | |
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512 | ret->handle = handle; |
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513 | |
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514 | handle->refc++; |
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515 | |
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516 | return ret; |
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517 | } |
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518 | |
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519 | static void _close_pointer(struct pointer * pointer) { |
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520 | if ( pointer == NULL ) |
---|
521 | return; |
---|
522 | |
---|
523 | _os.close(pointer->fh); |
---|
524 | |
---|
525 | pointer->fh = -1; |
---|
526 | |
---|
527 | _close_handle(pointer->handle); |
---|
528 | } |
---|
529 | |
---|
530 | // ------------------------------------- |
---|
531 | // central function to find device: |
---|
532 | // ------------------------------------- |
---|
533 | |
---|
534 | static struct devices * _get_device (const char * pathname) { |
---|
535 | struct devices * ptr; |
---|
536 | size_t len; |
---|
537 | int i; |
---|
538 | |
---|
539 | for (i = 0; _device_list[i].prefix != NULL; i++) { |
---|
540 | len = strlen(_device_list[i].prefix); |
---|
541 | |
---|
542 | if ( _device_list[i].prefix[len-1] == '*' ) { |
---|
543 | len--; |
---|
544 | } else { |
---|
545 | len++; |
---|
546 | } |
---|
547 | if ( !strncmp(pathname, _device_list[i].prefix, len) ) { |
---|
548 | ptr = &(_device_list[i]); |
---|
549 | } |
---|
550 | } |
---|
551 | |
---|
552 | return NULL; |
---|
553 | } |
---|
554 | |
---|
555 | // ------------------------------------- |
---|
556 | // central open function: |
---|
557 | // ------------------------------------- |
---|
558 | |
---|
559 | static int _open_file (const char *pathname, int flags) { |
---|
560 | struct session * session; |
---|
561 | struct handle * handle; |
---|
562 | struct pointer * pointer; |
---|
563 | struct devices * ptr = NULL; |
---|
564 | |
---|
565 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = ?", pathname, flags); |
---|
566 | |
---|
567 | /* |
---|
568 | * Flags we ignore: |
---|
569 | * O_DIRECT, O_APPEND, O_LARGEFILE, O_NOATIME, O_NOCTTY, O_TRUNC |
---|
570 | */ |
---|
571 | |
---|
572 | if ( flags & O_ASYNC ) { |
---|
573 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1 // not supported O_ASYNC", pathname, flags); |
---|
574 | errno = ENOSYS; |
---|
575 | return -1; |
---|
576 | } |
---|
577 | |
---|
578 | if ( (flags & O_DIRECTORY) || (flags & O_EXCL) ) { |
---|
579 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1 // invalid flags (O_DIRECTORY or O_EXCL)", pathname, flags); |
---|
580 | errno = EINVAL; |
---|
581 | return -1; |
---|
582 | } |
---|
583 | |
---|
584 | if ( (ptr = _get_device(pathname)) == NULL ) |
---|
585 | return -2; |
---|
586 | |
---|
587 | if ( ptr->type == HT_STATIC || ptr->type == HT_VIO ) { // non-session handles |
---|
588 | session = NULL; |
---|
589 | } else { |
---|
590 | if ( (session = _open_session(NULL, NULL)) == NULL ) { |
---|
591 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1", pathname, flags); |
---|
592 | return -1; |
---|
593 | } |
---|
594 | } |
---|
595 | |
---|
596 | if ( ptr->open != NULL ) { |
---|
597 | // TODO: Add support to pass mode (perms) to open. |
---|
598 | if ( (handle = ptr->open(pathname, flags, 0000, ptr)) == NULL ) { |
---|
599 | _close_session(session); |
---|
600 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1", pathname, flags); |
---|
601 | return -1; |
---|
602 | } |
---|
603 | } else { |
---|
604 | if ( (handle = _open_handle(session)) == NULL ) { |
---|
605 | _close_session(session); |
---|
606 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1", pathname, flags); |
---|
607 | return -1; |
---|
608 | } |
---|
609 | |
---|
610 | handle->type = ptr->type; |
---|
611 | handle->sysio_flags = flags; |
---|
612 | handle->stream_dir = -1; |
---|
613 | } |
---|
614 | |
---|
615 | switch (flags & _O_PARA_DIR) { |
---|
616 | case O_RDONLY: |
---|
617 | switch (ptr->type) { |
---|
618 | case HT_WAVEFORM: |
---|
619 | handle->stream_dir = ROAR_DIR_MONITOR; |
---|
620 | break; |
---|
621 | case HT_MIDI: |
---|
622 | handle->stream_dir = ROAR_DIR_MIDI_OUT; |
---|
623 | break; |
---|
624 | case HT_DMX: |
---|
625 | handle->stream_dir = ROAR_DIR_LIGHT_OUT; |
---|
626 | break; |
---|
627 | case HT_MIXER: |
---|
628 | case HT_STATIC: |
---|
629 | break; |
---|
630 | default: |
---|
631 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1", pathname, flags); |
---|
632 | return -1; |
---|
633 | } |
---|
634 | break; |
---|
635 | case O_WRONLY: |
---|
636 | switch (ptr->type) { |
---|
637 | case HT_WAVEFORM: |
---|
638 | handle->stream_dir = ROAR_DIR_PLAY; |
---|
639 | break; |
---|
640 | case HT_MIDI: |
---|
641 | handle->stream_dir = ROAR_DIR_MIDI_IN; |
---|
642 | break; |
---|
643 | case HT_DMX: |
---|
644 | handle->stream_dir = ROAR_DIR_LIGHT_IN; |
---|
645 | break; |
---|
646 | case HT_MIXER: |
---|
647 | case HT_STATIC: |
---|
648 | break; |
---|
649 | default: |
---|
650 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1", pathname, flags); |
---|
651 | return -1; |
---|
652 | } |
---|
653 | break; |
---|
654 | case O_RDWR: |
---|
655 | switch (ptr->type) { |
---|
656 | case HT_WAVEFORM: |
---|
657 | handle->stream_dir = ROAR_DIR_BIDIR; |
---|
658 | break; |
---|
659 | case HT_MIXER: |
---|
660 | case HT_STATIC: |
---|
661 | break; |
---|
662 | default: |
---|
663 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1", pathname, flags); |
---|
664 | return -1; |
---|
665 | } |
---|
666 | break; |
---|
667 | } |
---|
668 | |
---|
669 | switch (handle->type) { |
---|
670 | case HT_WAVEFORM: |
---|
671 | handle->type = HT_STREAM; |
---|
672 | break; |
---|
673 | case HT_MIDI: |
---|
674 | handle->type = HT_STREAM; |
---|
675 | handle->stream.info.rate = 0; |
---|
676 | handle->stream.info.bits = ROAR_MIDI_BITS; |
---|
677 | handle->stream.info.channels = ROAR_MIDI_CHANNELS_DEFAULT; |
---|
678 | handle->stream.info.codec = ROAR_CODEC_MIDI; |
---|
679 | break; |
---|
680 | case HT_DMX: |
---|
681 | handle->stream.info.rate = 0; |
---|
682 | handle->stream.info.bits = ROAR_LIGHT_BITS; |
---|
683 | handle->stream.info.channels = 512; |
---|
684 | handle->stream.info.codec = ROAR_CODEC_ROARDMX; |
---|
685 | break; |
---|
686 | case HT_STATIC: |
---|
687 | handle->userdata.sf.len = ptr->len; |
---|
688 | handle->userdata.sf.data = ptr->userdata; |
---|
689 | break; |
---|
690 | } |
---|
691 | |
---|
692 | if ( (pointer = _open_pointer(handle)) == NULL ) { |
---|
693 | _close_handle(handle); |
---|
694 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = -1", pathname, flags); |
---|
695 | return -1; |
---|
696 | } |
---|
697 | |
---|
698 | ROAR_DBG("_open_file(pathname='%s', flags=0x%x) = %i", pathname, flags, pointer->fh); |
---|
699 | |
---|
700 | return pointer->fh; |
---|
701 | } |
---|
702 | |
---|
703 | // ------------------------------------- |
---|
704 | // open function for streams: |
---|
705 | // ------------------------------------- |
---|
706 | |
---|
707 | static int _open_stream (struct handle * handle) { |
---|
708 | // FIXME: this should be re-written much more cleanly: |
---|
709 | |
---|
710 | if ( handle == NULL ) |
---|
711 | return -1; |
---|
712 | |
---|
713 | if ( roar_vio_simple_new_stream_obj(&(handle->stream_vio), |
---|
714 | &(handle->session->con), &(handle->stream), |
---|
715 | handle->stream.info.rate, |
---|
716 | handle->stream.info.channels, |
---|
717 | handle->stream.info.bits, |
---|
718 | handle->stream.info.codec, |
---|
719 | handle->stream_dir |
---|
720 | ) == -1 ) |
---|
721 | return -1; |
---|
722 | |
---|
723 | handle->stream_opened++; |
---|
724 | |
---|
725 | _mix_settings.sid.pcm = roar_stream_get_id(&(handle->stream)); |
---|
726 | |
---|
727 | _update_nonblock(handle); |
---|
728 | |
---|
729 | return 0; |
---|
730 | } |
---|
731 | |
---|
732 | // ------------------------------------- |
---|
733 | // function to update O_NONBLOCK: |
---|
734 | // ------------------------------------- |
---|
735 | |
---|
736 | static int _update_nonblock (struct handle * handle) { |
---|
737 | int opened = 0; |
---|
738 | int state = handle->sysio_flags & O_NONBLOCK ? ROAR_SOCKET_NONBLOCK : ROAR_SOCKET_BLOCK; |
---|
739 | |
---|
740 | switch (handle->type) { |
---|
741 | case HT_NONE: |
---|
742 | case HT_STATIC: |
---|
743 | case HT_MIXER: |
---|
744 | // we can ignore setting of nonblock flag here. |
---|
745 | return 0; |
---|
746 | break; |
---|
747 | case HT_VIO: |
---|
748 | opened = 1; |
---|
749 | break; |
---|
750 | case HT_STREAM: |
---|
751 | case HT_WAVEFORM: |
---|
752 | case HT_MIDI: |
---|
753 | case HT_DMX: |
---|
754 | opened = handle->stream_opened; |
---|
755 | break; |
---|
756 | } |
---|
757 | |
---|
758 | if ( opened ) { |
---|
759 | return roar_vio_nonblock(&(handle->stream_vio), state); |
---|
760 | } |
---|
761 | |
---|
762 | return 0; |
---|
763 | } |
---|
764 | |
---|
765 | // ------------------------------------- |
---|
766 | // function to parse format: |
---|
767 | // ------------------------------------- |
---|
768 | |
---|
769 | static int _ioctl_stream_format (struct handle * handle, int format) { |
---|
770 | struct roar_audio_info * info = &(handle->stream.info); |
---|
771 | |
---|
772 | switch (format) { |
---|
773 | case AFMT_S8: |
---|
774 | info->bits = 8; |
---|
775 | info->codec = ROAR_CODEC_PCM_S_LE; |
---|
776 | break; |
---|
777 | case AFMT_U8: |
---|
778 | info->bits = 8; |
---|
779 | info->codec = ROAR_CODEC_PCM_U_LE; |
---|
780 | break; |
---|
781 | case AFMT_S16_BE: |
---|
782 | info->bits = 16; |
---|
783 | info->codec = ROAR_CODEC_PCM_S_BE; |
---|
784 | break; |
---|
785 | case AFMT_S16_LE: |
---|
786 | info->bits = 16; |
---|
787 | info->codec = ROAR_CODEC_PCM_S_LE; |
---|
788 | break; |
---|
789 | case AFMT_U16_BE: |
---|
790 | info->bits = 16; |
---|
791 | info->codec = ROAR_CODEC_PCM_U_BE; |
---|
792 | break; |
---|
793 | case AFMT_U16_LE: |
---|
794 | info->bits = 16; |
---|
795 | info->codec = ROAR_CODEC_PCM_U_LE; |
---|
796 | break; |
---|
797 | #ifdef AFMT_S32_BE |
---|
798 | case AFMT_S32_BE: |
---|
799 | info->bits = 32; |
---|
800 | info->codec = ROAR_CODEC_PCM_S_BE; |
---|
801 | break; |
---|
802 | #endif |
---|
803 | #ifdef AFMT_S32_LE |
---|
804 | case AFMT_S32_LE: |
---|
805 | info->bits = 32; |
---|
806 | info->codec = ROAR_CODEC_PCM_S_LE; |
---|
807 | break; |
---|
808 | #endif |
---|
809 | case AFMT_A_LAW: |
---|
810 | info->bits = 8; |
---|
811 | info->codec = ROAR_CODEC_ALAW; |
---|
812 | break; |
---|
813 | case AFMT_MU_LAW: |
---|
814 | info->bits = 8; |
---|
815 | info->codec = ROAR_CODEC_MULAW; |
---|
816 | break; |
---|
817 | #ifdef AFMT_VORBIS |
---|
818 | case AFMT_VORBIS: |
---|
819 | info->codec = ROAR_CODEC_OGG_VORBIS; |
---|
820 | break; |
---|
821 | #endif |
---|
822 | default: |
---|
823 | ROAR_DBG("_ioctl_stream_format(*): unsupported format"); |
---|
824 | errno = ENOSYS; |
---|
825 | return -1; |
---|
826 | break; |
---|
827 | } |
---|
828 | |
---|
829 | return 0; |
---|
830 | } |
---|
831 | |
---|
832 | static inline int _ioctl_stream_format_list (void) { |
---|
833 | int format = 0; |
---|
834 | |
---|
835 | format |= AFMT_S8; |
---|
836 | format |= AFMT_U8; |
---|
837 | |
---|
838 | format |= AFMT_S16_BE; |
---|
839 | format |= AFMT_S16_LE; |
---|
840 | |
---|
841 | format |= AFMT_U16_BE; |
---|
842 | format |= AFMT_U16_LE; |
---|
843 | |
---|
844 | #ifdef AFMT_S32_BE |
---|
845 | format |= AFMT_S32_BE; |
---|
846 | #endif |
---|
847 | #ifdef AFMT_S32_LE |
---|
848 | format |= AFMT_S32_LE; |
---|
849 | #endif |
---|
850 | |
---|
851 | format |= AFMT_A_LAW; |
---|
852 | format |= AFMT_MU_LAW; |
---|
853 | |
---|
854 | #ifdef AFMT_VORBIS |
---|
855 | format |= AFMT_VORBIS; |
---|
856 | #endif |
---|
857 | |
---|
858 | return format; |
---|
859 | } |
---|
860 | |
---|
861 | // ------------------------------------- |
---|
862 | // mixer ioctls: |
---|
863 | // ------------------------------------- |
---|
864 | |
---|
865 | static int _ioctl_mixer (struct handle * handle, long unsigned int req, void * vp) { |
---|
866 | mixer_info * info; |
---|
867 | int channels; |
---|
868 | struct roar_mixer_settings mixer; |
---|
869 | int o_w = 0; |
---|
870 | int o_sid = -1; |
---|
871 | int * ip = vp; |
---|
872 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
873 | char * name = NULL; |
---|
874 | #endif |
---|
875 | |
---|
876 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
877 | switch (req) { |
---|
878 | #if 0 |
---|
879 | case SNDCTL_MIX_DESCRIPTION: name = "SNDCTL_MIX_DESCRIPTION"; break; |
---|
880 | case SNDCTL_MIX_ENUMINFO: name = "SNDCTL_MIX_ENUMINFO"; break; |
---|
881 | case SNDCTL_MIX_EXTINFO: name = "SNDCTL_MIX_EXTINFO"; break; |
---|
882 | case SNDCTL_MIX_NREXT: name = "SNDCTL_MIX_NREXT"; break; |
---|
883 | case SNDCTL_MIX_NRMIX: name = "SNDCTL_MIX_NRMIX"; break; |
---|
884 | case SNDCTL_MIX_READ: name = "SNDCTL_MIX_READ"; break; |
---|
885 | case SNDCTL_MIX_WRITE: name = "SNDCTL_MIX_WRITE"; break; |
---|
886 | #endif |
---|
887 | // case SOUND_MIXER_INFO: name = "SOUND_MIXER_INFO"; break; |
---|
888 | case SOUND_OLD_MIXER_INFO: name = "SOUND_OLD_MIXER_INFO"; break; |
---|
889 | case SOUND_MIXER_ACCESS: name = "SOUND_MIXER_ACCESS"; break; |
---|
890 | case SOUND_MIXER_AGC: name = "SOUND_MIXER_AGC"; break; |
---|
891 | case SOUND_MIXER_3DSE: name = "SOUND_MIXER_3DSE"; break; |
---|
892 | case SOUND_MIXER_GETLEVELS: name = "SOUND_MIXER_GETLEVELS"; break; |
---|
893 | case SOUND_MIXER_SETLEVELS: name = "SOUND_MIXER_SETLEVELS"; break; |
---|
894 | case SOUND_MIXER_PRIVATE1: name = "SOUND_MIXER_PRIVATE1"; break; |
---|
895 | case SOUND_MIXER_PRIVATE2: name = "SOUND_MIXER_PRIVATE2"; break; |
---|
896 | case SOUND_MIXER_PRIVATE3: name = "SOUND_MIXER_PRIVATE3"; break; |
---|
897 | case SOUND_MIXER_PRIVATE4: name = "SOUND_MIXER_PRIVATE4"; break; |
---|
898 | case SOUND_MIXER_PRIVATE5: name = "SOUND_MIXER_PRIVATE5"; break; |
---|
899 | case OSS_GETVERSION: name = "OSS_GETVERSION"; break; |
---|
900 | // case SOUND_MIXER_READ_CAPS: name = "SOUND_MIXER_READ_CAPS"; break; |
---|
901 | case SOUND_MIXER_READ_MUTE: name = "SOUND_MIXER_READ_MUTE"; break; |
---|
902 | /* |
---|
903 | case : name = ""; break; |
---|
904 | case : name = ""; break; |
---|
905 | */ |
---|
906 | } |
---|
907 | if ( name != NULL ) { |
---|
908 | ROAR_DBG("_ioctl_mixer(handle=%p, req=0x%lX, ip=%p): unspported mixer command %s", handle, req, ip, name); |
---|
909 | ROAR_DBG("_ioctl_mixer(handle=%p, req=0x%lX, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
910 | errno = ENOSYS; |
---|
911 | return -1; |
---|
912 | } |
---|
913 | #endif |
---|
914 | |
---|
915 | switch (req) { |
---|
916 | case SOUND_MIXER_READ_VOLUME: o_w = 0; o_sid = _mix_settings.sid.volume; break; |
---|
917 | case SOUND_MIXER_READ_LINE: o_w = 0; o_sid = _mix_settings.sid.line; break; |
---|
918 | case SOUND_MIXER_READ_LINE1: o_w = 0; o_sid = _mix_settings.sid.line1; break; |
---|
919 | case SOUND_MIXER_READ_LINE2: o_w = 0; o_sid = _mix_settings.sid.line2; break; |
---|
920 | case SOUND_MIXER_READ_LINE3: o_w = 0; o_sid = _mix_settings.sid.line3; break; |
---|
921 | #if 0 |
---|
922 | case SOUND_MIXER_READ_DIGITAL1: o_w = 0; o_sid = _mix_settings.sid.digital1; break; |
---|
923 | case SOUND_MIXER_READ_DIGITAL2: o_w = 0; o_sid = _mix_settings.sid.digital2; break; |
---|
924 | case SOUND_MIXER_READ_DIGITAL3: o_w = 0; o_sid = _mix_settings.sid.digital3; break; |
---|
925 | #endif |
---|
926 | case SOUND_MIXER_WRITE_VOLUME: o_w = 1; o_sid = _mix_settings.sid.volume; break; |
---|
927 | case SOUND_MIXER_WRITE_LINE: o_w = 1; o_sid = _mix_settings.sid.line; break; |
---|
928 | case SOUND_MIXER_WRITE_LINE1: o_w = 1; o_sid = _mix_settings.sid.line1; break; |
---|
929 | case SOUND_MIXER_WRITE_LINE2: o_w = 1; o_sid = _mix_settings.sid.line2; break; |
---|
930 | case SOUND_MIXER_WRITE_LINE3: o_w = 1; o_sid = _mix_settings.sid.line3; break; |
---|
931 | #if 0 |
---|
932 | case SOUND_MIXER_WRITE_DIGITAL1: o_w = 1; o_sid = _mix_settings.sid.digital1; break; |
---|
933 | case SOUND_MIXER_WRITE_DIGITAL2: o_w = 1; o_sid = _mix_settings.sid.digital2; break; |
---|
934 | case SOUND_MIXER_WRITE_DIGITAL3: o_w = 1; o_sid = _mix_settings.sid.digital3; break; |
---|
935 | #endif |
---|
936 | // we handle PCM seperatly as we want to be abled to abled to handle it on a stream (not mixer), too: |
---|
937 | case SOUND_MIXER_READ_PCM: |
---|
938 | o_w = 0; |
---|
939 | if ( handle->type == HT_STREAM ) { |
---|
940 | o_sid = roar_stream_get_id(&(handle->stream)); |
---|
941 | } else { |
---|
942 | o_sid = _mix_settings.sid.pcm; |
---|
943 | } |
---|
944 | break; |
---|
945 | case SOUND_MIXER_WRITE_PCM: |
---|
946 | o_w = 1; |
---|
947 | if ( handle->type == HT_STREAM ) { |
---|
948 | o_sid = roar_stream_get_id(&(handle->stream)); |
---|
949 | } else { |
---|
950 | o_sid = _mix_settings.sid.pcm; |
---|
951 | } |
---|
952 | break; |
---|
953 | } |
---|
954 | if ( o_sid != -1 ) { |
---|
955 | // set/get volume |
---|
956 | if ( o_w ) { |
---|
957 | mixer.scale = OSS_VOLUME_SCALE; |
---|
958 | mixer.mixer[0] = ( *ip & 0xFF); |
---|
959 | mixer.mixer[1] = ((*ip >> 8) & 0xFF); |
---|
960 | if ( roar_set_vol(&(handle->session->con), o_sid, &mixer, 2) == -1 ) { |
---|
961 | errno = EIO; |
---|
962 | return -1; |
---|
963 | } |
---|
964 | return 0; |
---|
965 | } else { |
---|
966 | if ( roar_get_vol(&(handle->session->con), o_sid, &mixer, &channels) == -1 ) { |
---|
967 | errno = EIO; |
---|
968 | return -1; |
---|
969 | } |
---|
970 | *ip = ((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale) | (((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale)<<8); |
---|
971 | return 0; |
---|
972 | } |
---|
973 | } |
---|
974 | |
---|
975 | switch (req) { |
---|
976 | case SOUND_MIXER_READ_STEREODEVS: /* FIXME: check the streams for channel config */ |
---|
977 | case SOUND_MIXER_READ_DEVMASK: |
---|
978 | *ip = 0; |
---|
979 | |
---|
980 | if ( _mix_settings.sid.volume != -1 ) |
---|
981 | *ip |= SOUND_MASK_VOLUME; |
---|
982 | if ( _mix_settings.sid.pcm != -1 ) |
---|
983 | *ip |= SOUND_MASK_PCM; |
---|
984 | if ( _mix_settings.sid.line != -1 ) |
---|
985 | *ip |= SOUND_MASK_LINE; |
---|
986 | if ( _mix_settings.sid.line1 != -1 ) |
---|
987 | *ip |= SOUND_MASK_LINE1; |
---|
988 | if ( _mix_settings.sid.line2 != -1 ) |
---|
989 | *ip |= SOUND_MASK_LINE2; |
---|
990 | if ( _mix_settings.sid.line3 != -1 ) |
---|
991 | *ip |= SOUND_MASK_LINE3; |
---|
992 | if ( _mix_settings.sid.digital1 != -1 ) |
---|
993 | #if 0 |
---|
994 | *ip |= SOUND_MASK_DIGITAL1; |
---|
995 | if ( _mix_settings.sid.digital2 != -1 ) |
---|
996 | *ip |= SOUND_MASK_DIGITAL2; |
---|
997 | if ( _mix_settings.sid.digital3 != -1 ) |
---|
998 | *ip |= SOUND_MASK_DIGITAL3; |
---|
999 | #endif |
---|
1000 | |
---|
1001 | return 0; |
---|
1002 | break; |
---|
1003 | case SOUND_MIXER_READ_RECMASK: |
---|
1004 | case SOUND_MIXER_READ_RECSRC: |
---|
1005 | *ip = SOUND_MASK_VOLUME; // we can currently only read from mixer |
---|
1006 | return 0; |
---|
1007 | break; |
---|
1008 | case SOUND_MIXER_WRITE_RECSRC: |
---|
1009 | if ( *ip == SOUND_MASK_VOLUME ) { |
---|
1010 | return 0; |
---|
1011 | } else { |
---|
1012 | errno = ENOTSUP; |
---|
1013 | return -1; |
---|
1014 | } |
---|
1015 | break; |
---|
1016 | case SOUND_MIXER_READ_CAPS: |
---|
1017 | *ip = 0; |
---|
1018 | return 0; |
---|
1019 | break; |
---|
1020 | case SOUND_MIXER_INFO: |
---|
1021 | info = vp; |
---|
1022 | memset(info, 0, sizeof(*info)); |
---|
1023 | strcpy(info->id, "RoarAudio"); |
---|
1024 | strcpy(info->name, "RoarAudio"); |
---|
1025 | return 0; |
---|
1026 | break; |
---|
1027 | } |
---|
1028 | |
---|
1029 | ROAR_DBG("_ioctl_mixer(handle=%p, req=0x%lX, ip=%p): unknown mixer CTL", handle, req, ip); |
---|
1030 | // _os.ioctl(-1, req, ip); |
---|
1031 | ROAR_DBG("_ioctl_mixer(handle=%p, req=0x%lX, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
1032 | errno = ENOSYS; |
---|
1033 | return -1; |
---|
1034 | } |
---|
1035 | |
---|
1036 | // ------------------------------------- |
---|
1037 | // buffer size calculation: |
---|
1038 | // ------------------------------------- |
---|
1039 | |
---|
1040 | static size_t _get_stream_buffersize (struct handle * handle) { |
---|
1041 | if ( handle->stream_buffersize ) |
---|
1042 | return handle->stream_buffersize; |
---|
1043 | |
---|
1044 | return handle->stream_buffersize = handle->stream.info.rate * |
---|
1045 | handle->stream.info.channels * |
---|
1046 | handle->stream.info.bits / 800; |
---|
1047 | } |
---|
1048 | |
---|
1049 | // ------------------------------------- |
---|
1050 | // emulated functions follow: |
---|
1051 | // ------------------------------------- |
---|
1052 | |
---|
1053 | int open(const char *pathname, int flags, ...) { |
---|
1054 | int ret; |
---|
1055 | mode_t mode = 0; |
---|
1056 | va_list args; |
---|
1057 | |
---|
1058 | _init(); |
---|
1059 | |
---|
1060 | if ( pathname == NULL ) { |
---|
1061 | errno = EFAULT; |
---|
1062 | return -1; |
---|
1063 | } |
---|
1064 | |
---|
1065 | ROAR_DBG("open(pathname='%s', flags=%x, ...) = ?\n", pathname, flags); |
---|
1066 | ret = _open_file(pathname, flags); |
---|
1067 | |
---|
1068 | switch (ret) { |
---|
1069 | case -2: // continue as normal, use _op.open() |
---|
1070 | break; |
---|
1071 | case -1: // pass error to caller |
---|
1072 | return -1; |
---|
1073 | break; |
---|
1074 | default: // return successfully opened pointer to caller |
---|
1075 | return ret; |
---|
1076 | break; |
---|
1077 | } |
---|
1078 | |
---|
1079 | if (flags & O_CREAT) { |
---|
1080 | va_start(args, flags); |
---|
1081 | mode = va_arg(args, _VA_ARGS_MODE_T); |
---|
1082 | va_end(args); |
---|
1083 | } |
---|
1084 | |
---|
1085 | return _os.open(pathname, flags, mode); |
---|
1086 | } |
---|
1087 | |
---|
1088 | int open64(const char *__file, int __oflag, ...) { |
---|
1089 | int ret; |
---|
1090 | mode_t mode = 0; |
---|
1091 | va_list args; |
---|
1092 | |
---|
1093 | _init(); |
---|
1094 | |
---|
1095 | if ( __file == NULL ) { |
---|
1096 | errno = EFAULT; |
---|
1097 | return -1; |
---|
1098 | } |
---|
1099 | |
---|
1100 | ROAR_DBG("open64(__file='%s', __oflags=%x, ...) = ?\n", __file, __oflag); |
---|
1101 | ret = _open_file(__file, __oflag); |
---|
1102 | |
---|
1103 | switch (ret) { |
---|
1104 | case -2: // continue as normal, use _op.open() |
---|
1105 | break; |
---|
1106 | case -1: // pass error to caller |
---|
1107 | return -1; |
---|
1108 | break; |
---|
1109 | default: // return successfully opened pointer to caller |
---|
1110 | return ret; |
---|
1111 | break; |
---|
1112 | } |
---|
1113 | |
---|
1114 | if (__oflag & O_CREAT) { |
---|
1115 | va_start(args, __oflag); |
---|
1116 | mode = va_arg(args, _VA_ARGS_MODE_T); |
---|
1117 | va_end(args); |
---|
1118 | } |
---|
1119 | |
---|
1120 | if ( _os.open64 != NULL ) { |
---|
1121 | return _os.open64(__file, __oflag, mode); |
---|
1122 | } else { |
---|
1123 | #ifdef O_LARGEFILE |
---|
1124 | return _os.open(__file, __oflag | O_LARGEFILE, mode); |
---|
1125 | #else |
---|
1126 | return _os.open(__file, __oflag, mode); |
---|
1127 | #endif |
---|
1128 | } |
---|
1129 | } |
---|
1130 | |
---|
1131 | int close(int fd) { |
---|
1132 | struct pointer * pointer; |
---|
1133 | _init(); |
---|
1134 | |
---|
1135 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
1136 | _close_pointer(pointer); |
---|
1137 | return 0; |
---|
1138 | } |
---|
1139 | |
---|
1140 | return _os.close(fd); |
---|
1141 | } |
---|
1142 | |
---|
1143 | ssize_t write(int fd, const void *buf, size_t count) { |
---|
1144 | struct roar_roardmx_message roardmxmsg; |
---|
1145 | struct pointer * pointer; |
---|
1146 | ssize_t ret; |
---|
1147 | size_t i; |
---|
1148 | |
---|
1149 | _init(); |
---|
1150 | |
---|
1151 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
1152 | ROAR_DBG("write(fd=%i, buf=%p, count=%lu) = ? // pointer write", fd, buf, (long unsigned int) count); |
---|
1153 | switch (pointer->handle->type) { |
---|
1154 | case HT_STREAM: // handle stream specific stuff |
---|
1155 | if ( pointer->handle->stream_opened == 0 ) { |
---|
1156 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
1157 | errno = EIO; |
---|
1158 | return -1; |
---|
1159 | } |
---|
1160 | } |
---|
1161 | case HT_VIO: // from here we only look at the VIO object of streams, or handle simple VIOs |
---|
1162 | ret = roar_vio_write(&(pointer->handle->stream_vio), (char*)buf, count); |
---|
1163 | if ( ret > 0 ) |
---|
1164 | pointer->handle->writec += ret; |
---|
1165 | return ret; |
---|
1166 | break; |
---|
1167 | case HT_DMX: // DMX need specal handling as we need to convert the protocol |
---|
1168 | if ( pointer->handle->stream_opened == 0 ) { |
---|
1169 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
1170 | errno = EIO; |
---|
1171 | return -1; |
---|
1172 | } |
---|
1173 | } |
---|
1174 | if ( count > 0 ) { |
---|
1175 | if ( roar_roardmx_message_new_sset(&roardmxmsg) == -1 ) { |
---|
1176 | errno = EIO; |
---|
1177 | return -1; |
---|
1178 | } |
---|
1179 | for (i = 0; i < count; i++) { |
---|
1180 | if ( roar_roardmx_message_add_chanval(&roardmxmsg, pointer->handle->pos + i, ((unsigned char*)buf)[i]) == -1 ) { |
---|
1181 | #ifdef EMSGSIZE |
---|
1182 | errno = EMSGSIZE; |
---|
1183 | #else |
---|
1184 | errno = EIO; |
---|
1185 | #endif |
---|
1186 | return -1; |
---|
1187 | } |
---|
1188 | } |
---|
1189 | if ( roar_roardmx_message_send(&roardmxmsg, &(pointer->handle->stream_vio)) == -1 ) { |
---|
1190 | errno = EIO; |
---|
1191 | return -1; |
---|
1192 | } |
---|
1193 | } |
---|
1194 | pointer->handle->pos += count; |
---|
1195 | return count; |
---|
1196 | break; |
---|
1197 | default: // we don't know what to do with other types |
---|
1198 | errno = EINVAL; |
---|
1199 | return -1; |
---|
1200 | break; |
---|
1201 | } |
---|
1202 | } |
---|
1203 | |
---|
1204 | return _os.write(fd, buf, count); |
---|
1205 | } |
---|
1206 | |
---|
1207 | ssize_t read(int fd, void *buf, size_t count) { |
---|
1208 | struct pointer * pointer; |
---|
1209 | ssize_t ret; |
---|
1210 | |
---|
1211 | _init(); |
---|
1212 | |
---|
1213 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
1214 | ROAR_DBG("read(fd=%i, buf=%p, count=%lu) = ? // pointer read", fd, buf, (long unsigned int)count); |
---|
1215 | |
---|
1216 | switch (pointer->handle->type) { |
---|
1217 | case HT_STREAM: |
---|
1218 | if ( pointer->handle->stream_opened == 0 ) { |
---|
1219 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
1220 | errno = EIO; |
---|
1221 | return -1; |
---|
1222 | } |
---|
1223 | } |
---|
1224 | case HT_VIO: |
---|
1225 | ret = roar_vio_read(&(pointer->handle->stream_vio), buf, count); |
---|
1226 | if ( ret > 0 ) |
---|
1227 | pointer->handle->readc += ret; |
---|
1228 | return ret; |
---|
1229 | break; |
---|
1230 | case HT_STATIC: |
---|
1231 | ROAR_DBG("read(fd=%i, buf=%p, count=%lu) = ? // type=HT_STATIC", fd, buf, (long unsigned int)count); |
---|
1232 | ret = pointer->handle->pos + count; // calc the end of the read |
---|
1233 | |
---|
1234 | if ( ret > (ssize_t)pointer->handle->userdata.sf.len ) { |
---|
1235 | count = pointer->handle->userdata.sf.len - pointer->handle->pos; |
---|
1236 | } |
---|
1237 | |
---|
1238 | memcpy(buf, pointer->handle->userdata.sf.data + pointer->handle->pos, count); |
---|
1239 | pointer->handle->pos += count; |
---|
1240 | return count; |
---|
1241 | break; |
---|
1242 | default: |
---|
1243 | errno = EINVAL; |
---|
1244 | return -1; |
---|
1245 | break; |
---|
1246 | } |
---|
1247 | } |
---|
1248 | |
---|
1249 | return _os.read(fd, buf, count); |
---|
1250 | } |
---|
1251 | |
---|
1252 | off_t lseek(int fildes, off_t offset, int whence) { |
---|
1253 | struct pointer * pointer; |
---|
1254 | ssize_t tmp; |
---|
1255 | |
---|
1256 | _init(); |
---|
1257 | |
---|
1258 | if ( (pointer = _get_pointer_by_fh(fildes)) != NULL ) { |
---|
1259 | switch (pointer->handle->type) { |
---|
1260 | case HT_DMX: |
---|
1261 | switch (whence) { |
---|
1262 | case SEEK_SET: |
---|
1263 | pointer->handle->pos = offset; |
---|
1264 | break; |
---|
1265 | case SEEK_CUR: |
---|
1266 | pointer->handle->pos += offset; |
---|
1267 | break; |
---|
1268 | case SEEK_END: |
---|
1269 | default: |
---|
1270 | errno = EINVAL; |
---|
1271 | return -1; |
---|
1272 | break; |
---|
1273 | } |
---|
1274 | return pointer->handle->pos; |
---|
1275 | break; |
---|
1276 | case HT_VIO: |
---|
1277 | return roar_vio_lseek(&(pointer->handle->stream_vio), offset, whence); |
---|
1278 | break; |
---|
1279 | case HT_STATIC: |
---|
1280 | switch (whence) { |
---|
1281 | case SEEK_SET: |
---|
1282 | if ( offset < 0 || offset > (ssize_t)pointer->handle->userdata.sf.len ) { |
---|
1283 | errno = EINVAL; |
---|
1284 | return -1; |
---|
1285 | } |
---|
1286 | pointer->handle->pos = offset; |
---|
1287 | break; |
---|
1288 | case SEEK_CUR: |
---|
1289 | tmp = pointer->handle->pos + offset; |
---|
1290 | if ( tmp < 0 || tmp > (ssize_t)pointer->handle->userdata.sf.len ) { |
---|
1291 | errno = EINVAL; |
---|
1292 | return -1; |
---|
1293 | } |
---|
1294 | pointer->handle->pos = tmp; |
---|
1295 | break; |
---|
1296 | case SEEK_END: |
---|
1297 | tmp = pointer->handle->userdata.sf.len + offset; |
---|
1298 | if ( tmp < 0 || tmp > (ssize_t)pointer->handle->userdata.sf.len ) { |
---|
1299 | errno = EINVAL; |
---|
1300 | return -1; |
---|
1301 | } |
---|
1302 | pointer->handle->pos = tmp; |
---|
1303 | break; |
---|
1304 | default: |
---|
1305 | errno = EINVAL; |
---|
1306 | return -1; |
---|
1307 | break; |
---|
1308 | } |
---|
1309 | break; |
---|
1310 | default: |
---|
1311 | errno = EINVAL; |
---|
1312 | return -1; |
---|
1313 | break; |
---|
1314 | } |
---|
1315 | } |
---|
1316 | |
---|
1317 | return _os.lseek(fildes, offset, whence); |
---|
1318 | } |
---|
1319 | |
---|
1320 | IOCTL() { |
---|
1321 | map_args; |
---|
1322 | struct pointer * pointer; |
---|
1323 | struct handle * handle; |
---|
1324 | int * ip = NULL; |
---|
1325 | size_t tmp; |
---|
1326 | audio_buf_info * bi; |
---|
1327 | count_info * ci; |
---|
1328 | #ifdef __FIXME__ |
---|
1329 | char * nosys_reqname = NULL; |
---|
1330 | #endif |
---|
1331 | #ifdef va_argp |
---|
1332 | va_list args; |
---|
1333 | #endif |
---|
1334 | |
---|
1335 | _init(); |
---|
1336 | |
---|
1337 | // ROAR_DBG("ioctl(__fd=%i, __request=0x%lX) = ?", __fd, (long unsigned int) __request); |
---|
1338 | |
---|
1339 | #ifdef va_argp |
---|
1340 | va_start (args, ioctl_lastarg); |
---|
1341 | argp = va_arg (args, void *); |
---|
1342 | va_end (args); |
---|
1343 | #endif |
---|
1344 | |
---|
1345 | // ROAR_DBG("ioctl(__fd=%i, __request=0x%lX): argp=%p", __fd, (long unsigned int) __request, argp); |
---|
1346 | |
---|
1347 | if ( (pointer = _get_pointer_by_fh(__fd)) != NULL ) { |
---|
1348 | ip = argp; |
---|
1349 | // ROAR_DBG("ioctl(__fd=%i, __request=0x%lx): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
1350 | #ifdef __FIXME__ |
---|
1351 | switch ((handle = pointer->handle)->type) { |
---|
1352 | case SOUND_PCM_READ_RATE: nosys_reqname = "SOUND_PCM_READ_RATE"; break; |
---|
1353 | case SOUND_PCM_READ_CHANNELS: nosys_reqname = "SOUND_PCM_READ_CHANNELS"; break; |
---|
1354 | case SOUND_PCM_READ_BITS: nosys_reqname = "SOUND_PCM_READ_BITS"; break; |
---|
1355 | case SOUND_PCM_READ_FILTER: nosys_reqname = "SOUND_PCM_READ_FILTER"; break; |
---|
1356 | case SNDCTL_COPR_RESET: nosys_reqname = "SNDCTL_COPR_RESET"; break; |
---|
1357 | case SNDCTL_COPR_LOAD: nosys_reqname = "SNDCTL_COPR_LOAD"; break; |
---|
1358 | case SNDCTL_COPR_HALT: nosys_reqname = "SNDCTL_COPR_HALT"; break; |
---|
1359 | case SNDCTL_COPR_RDATA: nosys_reqname = "SNDCTL_COPR_RDATA"; break; |
---|
1360 | case SNDCTL_COPR_RCODE: nosys_reqname = "SNDCTL_COPR_RCODE"; break; |
---|
1361 | case SNDCTL_COPR_WDATA: nosys_reqname = "SNDCTL_COPR_WDATA"; break; |
---|
1362 | case SNDCTL_COPR_WCODE: nosys_reqname = "SNDCTL_COPR_WCODE"; break; |
---|
1363 | case SNDCTL_COPR_RUN: nosys_reqname = "SNDCTL_COPR_RUN"; break; |
---|
1364 | case SNDCTL_COPR_SENDMSG: nosys_reqname = "SNDCTL_COPR_SENDMSG"; break; |
---|
1365 | case SNDCTL_COPR_RCVMSG: nosys_reqname = "SNDCTL_COPR_RCVMSG"; break; |
---|
1366 | case SNDCTL_DSP_GETCAPS: nosys_reqname = "SNDCTL_DSP_GETCAPS"; break; |
---|
1367 | default: nosys_reqname = "<<<UNKNOWN>>>"; break; |
---|
1368 | /* |
---|
1369 | case : nosys_reqname = ""; break; |
---|
1370 | case : nosys_reqname = ""; break; |
---|
1371 | case : nosys_reqname = ""; break; |
---|
1372 | */ |
---|
1373 | } |
---|
1374 | #endif |
---|
1375 | switch ((handle = pointer->handle)->type) { |
---|
1376 | case HT_STREAM: |
---|
1377 | switch (__request) { |
---|
1378 | case SNDCTL_DSP_RESET: |
---|
1379 | case SNDCTL_DSP_POST: |
---|
1380 | case SNDCTL_DSP_SYNC: // ignore for the moment. |
---|
1381 | case SNDCTL_DSP_SETFRAGMENT: // any fragments should be ok for us... |
---|
1382 | case SNDCTL_DSP_SETTRIGGER: // we should implement this using PAUSE flag. |
---|
1383 | return 0; |
---|
1384 | break; |
---|
1385 | case SNDCTL_DSP_SPEED: |
---|
1386 | handle->stream.info.rate = *ip; |
---|
1387 | ROAR_DBG("ioctl(__fd=%i, __request=0x%lX): rate=%i", __fd, (long unsigned int) __request, *ip); |
---|
1388 | return 0; |
---|
1389 | break; |
---|
1390 | case SNDCTL_DSP_CHANNELS: |
---|
1391 | handle->stream.info.channels = *ip; |
---|
1392 | ROAR_DBG("ioctl(__fd=%i, __request=0x%lX): channels=%i", __fd, (long unsigned int) __request, *ip); |
---|
1393 | return 0; |
---|
1394 | break; |
---|
1395 | case SNDCTL_DSP_STEREO: |
---|
1396 | handle->stream.info.channels = *ip ? 2 : 1; |
---|
1397 | return 0; |
---|
1398 | break; |
---|
1399 | case SNDCTL_DSP_GETBLKSIZE: |
---|
1400 | *ip = _get_stream_buffersize(handle); |
---|
1401 | return 0; |
---|
1402 | break; |
---|
1403 | case SNDCTL_DSP_SETFMT: |
---|
1404 | ROAR_DBG("ioctl(__fd=%i, __request=0x%lX): fmt=0x%x", __fd, (long unsigned int) __request, *ip); |
---|
1405 | return _ioctl_stream_format(handle, *ip); |
---|
1406 | break; |
---|
1407 | case SNDCTL_DSP_GETFMTS: |
---|
1408 | // ROAR_DBG("ioctl(__fd=%i, __request=0x%lX): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
1409 | *ip = _ioctl_stream_format_list(); |
---|
1410 | return 0; |
---|
1411 | break; |
---|
1412 | case SNDCTL_DSP_GETOSPACE: |
---|
1413 | case SNDCTL_DSP_GETISPACE: |
---|
1414 | bi = argp; |
---|
1415 | memset(bi, 0, sizeof(*bi)); |
---|
1416 | bi->bytes = _get_stream_buffersize(handle); |
---|
1417 | bi->fragments = 1; |
---|
1418 | bi->fragsize = bi->bytes; |
---|
1419 | bi->fragstotal = 1; |
---|
1420 | return 0; |
---|
1421 | break; |
---|
1422 | case SNDCTL_DSP_GETOPTR: |
---|
1423 | ROAR_DBG("ioctl(__fd=%i, __request=0x%lX): writec=%lu", __fd, (long unsigned int) __request, (long unsigned int) handle->writec); |
---|
1424 | ci = argp; |
---|
1425 | memset(ci, 0, sizeof(*ci)); |
---|
1426 | ci->bytes = handle->writec; |
---|
1427 | ci->blocks = ci->bytes / (tmp = _get_stream_buffersize(handle)); |
---|
1428 | ci->ptr = ci->bytes % tmp; |
---|
1429 | return 0; |
---|
1430 | break; |
---|
1431 | case SNDCTL_DSP_GETIPTR: |
---|
1432 | ci = argp; |
---|
1433 | memset(ci, 0, sizeof(*ci)); |
---|
1434 | ci->bytes = handle->readc; |
---|
1435 | ci->blocks = ci->bytes / (tmp = _get_stream_buffersize(handle)); |
---|
1436 | ci->ptr = ci->bytes % tmp; |
---|
1437 | return 0; |
---|
1438 | break; |
---|
1439 | #ifdef SNDCTL_DSP_GETPLAYVOL |
---|
1440 | case SNDCTL_DSP_GETPLAYVOL: |
---|
1441 | return _ioctl_mixer(handle, SOUND_MIXER_READ_PCM, argp); |
---|
1442 | break; |
---|
1443 | #endif |
---|
1444 | #ifdef SNDCTL_DSP_SETPLAYVOL |
---|
1445 | case SNDCTL_DSP_SETPLAYVOL: |
---|
1446 | return _ioctl_mixer(handle, SOUND_MIXER_WRITE_PCM, argp); |
---|
1447 | break; |
---|
1448 | #endif |
---|
1449 | #ifdef SNDCTL_DSP_NONBLOCK |
---|
1450 | case SNDCTL_DSP_NONBLOCK: |
---|
1451 | return fcntl(__fd, F_SETFL, handle->sysio_flags|O_NONBLOCK); |
---|
1452 | break; |
---|
1453 | #endif |
---|
1454 | default: |
---|
1455 | #ifdef __FIXME__ |
---|
1456 | ROAR_DBG("ioctl(__fd=%i, __request=0x%lX (%s)) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request, nosys_reqname); |
---|
1457 | #else |
---|
1458 | ROAR_DBG("ioctl(__fd=%i, __request=0x%lX) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
1459 | #endif |
---|
1460 | errno = ENOSYS; |
---|
1461 | return -1; |
---|
1462 | } |
---|
1463 | break; |
---|
1464 | case HT_MIXER: |
---|
1465 | return _ioctl_mixer(handle, __request, argp); |
---|
1466 | break; |
---|
1467 | default: |
---|
1468 | ROAR_DBG("ioctl(__fd=%i, __request=0x%lX): unknown handle type: no ioctl()s supported", __fd, (long unsigned int) __request); |
---|
1469 | ROAR_DBG("ioctl(__fd=%i, __request=0x%lX) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
1470 | errno = EINVAL; |
---|
1471 | return -1; |
---|
1472 | break; |
---|
1473 | } |
---|
1474 | } |
---|
1475 | |
---|
1476 | #ifdef IOCTL_IS_ALIAS |
---|
1477 | errno = ENOSYS; |
---|
1478 | return -1; |
---|
1479 | #else |
---|
1480 | return _os.ioctl(__fd, __request, argp); |
---|
1481 | #endif |
---|
1482 | } |
---|
1483 | |
---|
1484 | int dup(int oldfd) { |
---|
1485 | struct pointer * pointer; |
---|
1486 | int ret; |
---|
1487 | |
---|
1488 | _init(); |
---|
1489 | |
---|
1490 | ret = _os.dup(oldfd); |
---|
1491 | |
---|
1492 | if (ret == -1) |
---|
1493 | return -1; |
---|
1494 | |
---|
1495 | if ( (pointer = _get_pointer_by_fh(oldfd)) != NULL ) { |
---|
1496 | if ( _attach_pointer(pointer->handle, ret) == NULL ) { |
---|
1497 | _os.close(ret); |
---|
1498 | return -1; |
---|
1499 | } |
---|
1500 | } |
---|
1501 | |
---|
1502 | return ret; |
---|
1503 | } |
---|
1504 | |
---|
1505 | int dup2(int oldfd, int newfd) { |
---|
1506 | struct pointer * pointer; |
---|
1507 | int ret; |
---|
1508 | |
---|
1509 | _init(); |
---|
1510 | |
---|
1511 | ret = _os.dup2(oldfd, newfd); |
---|
1512 | |
---|
1513 | if (ret == -1) |
---|
1514 | return -1; |
---|
1515 | |
---|
1516 | if ( (pointer = _get_pointer_by_fh(oldfd)) != NULL ) { |
---|
1517 | if ( _attach_pointer(pointer->handle, ret) == NULL ) { |
---|
1518 | _os.close(ret); |
---|
1519 | return -1; |
---|
1520 | } |
---|
1521 | } |
---|
1522 | |
---|
1523 | return ret; |
---|
1524 | } |
---|
1525 | |
---|
1526 | int select(int nfds, fd_set *readfds, fd_set *writefds, |
---|
1527 | fd_set *exceptfds, struct timeval *timeout) { |
---|
1528 | struct roar_vio_selecttv rtv; |
---|
1529 | struct roar_vio_select * sv = NULL; |
---|
1530 | struct pointer * pointer; |
---|
1531 | struct handle * handle; |
---|
1532 | ssize_t ret; |
---|
1533 | size_t num = 0; |
---|
1534 | size_t idx; |
---|
1535 | int i; |
---|
1536 | int i_r, i_w, i_e; |
---|
1537 | int max_index = -1; |
---|
1538 | static volatile int is_critical = 0; |
---|
1539 | |
---|
1540 | _init(); |
---|
1541 | |
---|
1542 | if ( is_critical ) |
---|
1543 | return _os.select(nfds, readfds, writefds, exceptfds, timeout); |
---|
1544 | |
---|
1545 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p) = ?", nfds, readfds, writefds, exceptfds, timeout); |
---|
1546 | |
---|
1547 | if ( nfds == 0 ) { |
---|
1548 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p) = 0", nfds, readfds, writefds, exceptfds, timeout); |
---|
1549 | return 0; |
---|
1550 | } |
---|
1551 | |
---|
1552 | if ( readfds == NULL && writefds == NULL && exceptfds == NULL ) { |
---|
1553 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p) = 0", nfds, readfds, writefds, exceptfds, timeout); |
---|
1554 | return 0; |
---|
1555 | } |
---|
1556 | |
---|
1557 | if ( timeout != NULL ) { |
---|
1558 | rtv.sec = timeout->tv_sec; |
---|
1559 | rtv.nsec = timeout->tv_usec*1000; |
---|
1560 | } |
---|
1561 | |
---|
1562 | // count number of handles: |
---|
1563 | for (i = 0; i < nfds; i++) { |
---|
1564 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p): i=%i, EXISTS", nfds, readfds, writefds, exceptfds, timeout, i); |
---|
1565 | if ( (readfds != NULL && FD_ISSET(i, readfds )) || |
---|
1566 | (writefds != NULL && FD_ISSET(i, writefds )) || |
---|
1567 | (exceptfds != NULL && FD_ISSET(i, exceptfds)) |
---|
1568 | ) { |
---|
1569 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p): i=%i, EXISTS", nfds, readfds, writefds, exceptfds, timeout, i); |
---|
1570 | num++; |
---|
1571 | max_index = i; |
---|
1572 | } |
---|
1573 | } |
---|
1574 | |
---|
1575 | if ( num == 0 ) { |
---|
1576 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p) = 0", nfds, readfds, writefds, exceptfds, timeout); |
---|
1577 | return 0; |
---|
1578 | } |
---|
1579 | |
---|
1580 | nfds = max_index + 1; |
---|
1581 | |
---|
1582 | // create sv; |
---|
1583 | sv = roar_mm_malloc(sizeof(struct roar_vio_select)*num); |
---|
1584 | if ( sv == NULL ) { |
---|
1585 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p) = -1", nfds, readfds, writefds, exceptfds, timeout); |
---|
1586 | return -1; |
---|
1587 | } |
---|
1588 | |
---|
1589 | memset(sv, 0, sizeof(struct roar_vio_select)*num); |
---|
1590 | |
---|
1591 | for (i = 0, idx = 0; i < nfds; i++) { |
---|
1592 | if ( idx >= num ) { |
---|
1593 | roar_mm_free(sv); |
---|
1594 | errno = EFAULT; |
---|
1595 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p) = -1 // i=%i, idx=%i, num=%i", nfds, readfds, writefds, exceptfds, timeout, i, (int)idx, (int)num); |
---|
1596 | return -1; |
---|
1597 | } |
---|
1598 | i_r = readfds != NULL && FD_ISSET(i, readfds); |
---|
1599 | i_w = writefds != NULL && FD_ISSET(i, writefds); |
---|
1600 | i_e = exceptfds != NULL && FD_ISSET(i, exceptfds); |
---|
1601 | |
---|
1602 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p): i=%i, i_r=%i, i_w=%i, i_e=%i", nfds, readfds, writefds, exceptfds, timeout, i, i_r, i_w, i_e); |
---|
1603 | |
---|
1604 | if ( i_r || i_w || i_e ) { |
---|
1605 | // TODO: use VIO for pointers... |
---|
1606 | if ( (pointer = _get_pointer_by_fh(i)) != NULL ) { |
---|
1607 | handle = pointer->handle; |
---|
1608 | sv[idx].vio = NULL; |
---|
1609 | sv[idx].fh = -1; |
---|
1610 | switch (handle->type) { |
---|
1611 | case HT_DMX: |
---|
1612 | case HT_STREAM: |
---|
1613 | if ( ! handle->stream_opened ) { |
---|
1614 | // implement this as statichly return OK |
---|
1615 | errno = ENOSYS; |
---|
1616 | return -1; |
---|
1617 | } |
---|
1618 | case HT_VIO: |
---|
1619 | sv[idx].vio = &(handle->stream_vio); |
---|
1620 | break; |
---|
1621 | default: /* non supported type */ |
---|
1622 | errno = EINVAL; |
---|
1623 | return -1; |
---|
1624 | break; |
---|
1625 | } |
---|
1626 | } else { |
---|
1627 | sv[idx].vio = NULL; |
---|
1628 | sv[idx].fh = i; |
---|
1629 | } |
---|
1630 | |
---|
1631 | sv[idx].ud.si = i; |
---|
1632 | sv[idx].eventsq = (i_r ? ROAR_VIO_SELECT_READ : 0) | |
---|
1633 | (i_w ? ROAR_VIO_SELECT_WRITE : 0) | |
---|
1634 | (i_e ? ROAR_VIO_SELECT_EXCEPT : 0); |
---|
1635 | idx++; |
---|
1636 | } |
---|
1637 | } |
---|
1638 | |
---|
1639 | is_critical++; |
---|
1640 | ret = roar_vio_select(sv, num, timeout == NULL ? NULL : &rtv, NULL); |
---|
1641 | is_critical--; |
---|
1642 | |
---|
1643 | if ( ret < 1 ) { |
---|
1644 | roar_mm_free(sv); |
---|
1645 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p) = %i", nfds, readfds, writefds, exceptfds, timeout, (int)ret); |
---|
1646 | return ret; |
---|
1647 | } |
---|
1648 | |
---|
1649 | // update readfds, writefds, exceptfds: |
---|
1650 | if ( readfds != NULL ) |
---|
1651 | FD_ZERO(readfds); |
---|
1652 | |
---|
1653 | if ( writefds != NULL ) |
---|
1654 | FD_ZERO(writefds); |
---|
1655 | |
---|
1656 | if ( exceptfds != NULL ) |
---|
1657 | FD_ZERO(exceptfds); |
---|
1658 | |
---|
1659 | for (idx = 0; idx < num; idx++) { |
---|
1660 | if ( sv[idx].eventsa == 0 ) |
---|
1661 | continue; |
---|
1662 | |
---|
1663 | if ( sv[idx].eventsa & ROAR_VIO_SELECT_READ ) |
---|
1664 | if ( readfds != NULL ) |
---|
1665 | FD_SET(sv[idx].ud.si, readfds); |
---|
1666 | |
---|
1667 | if ( sv[idx].eventsa & ROAR_VIO_SELECT_WRITE ) |
---|
1668 | if ( writefds != NULL ) |
---|
1669 | FD_SET(sv[idx].ud.si, writefds); |
---|
1670 | |
---|
1671 | if ( sv[idx].eventsa & ROAR_VIO_SELECT_EXCEPT ) |
---|
1672 | if ( exceptfds != NULL ) |
---|
1673 | FD_SET(sv[idx].ud.si, exceptfds); |
---|
1674 | } |
---|
1675 | |
---|
1676 | roar_mm_free(sv); |
---|
1677 | |
---|
1678 | ROAR_DBG("select(nfds=%i, readfds=%p, writefds=%p, exceptfds=%p, timeout=%p) = %i", nfds, readfds, writefds, exceptfds, timeout, (int)ret); |
---|
1679 | return ret; |
---|
1680 | } |
---|
1681 | |
---|
1682 | int fcntl(int fd, int cmd, ...) { |
---|
1683 | enum { NONE, UNKNOWN, LONG, POINTER } type = NONE; |
---|
1684 | struct pointer * pointer; |
---|
1685 | va_list ap; |
---|
1686 | long argl = -1; |
---|
1687 | void * vp = NULL; |
---|
1688 | int ret = -1; |
---|
1689 | int diff; |
---|
1690 | |
---|
1691 | _init(); |
---|
1692 | |
---|
1693 | ROAR_DBG("fcntl(fd=%i, cmd=%i, ...) = ?", fd, cmd); |
---|
1694 | |
---|
1695 | switch (cmd) { |
---|
1696 | case F_DUPFD: |
---|
1697 | case F_SETFD: |
---|
1698 | case F_SETFL: |
---|
1699 | case F_SETOWN: |
---|
1700 | #ifdef F_SETSIG |
---|
1701 | case F_SETSIG: |
---|
1702 | #endif |
---|
1703 | #ifdef F_SETLEASE |
---|
1704 | case F_SETLEASE: |
---|
1705 | #endif |
---|
1706 | #ifdef F_NOTIFY |
---|
1707 | case F_NOTIFY: |
---|
1708 | #endif |
---|
1709 | type = LONG; |
---|
1710 | break; |
---|
1711 | case F_GETFD: |
---|
1712 | case F_GETFL: |
---|
1713 | case F_GETOWN: |
---|
1714 | #ifdef F_GETSIG |
---|
1715 | case F_GETSIG: |
---|
1716 | #endif |
---|
1717 | #ifdef F_GETLEASE |
---|
1718 | case F_GETLEASE: |
---|
1719 | #endif |
---|
1720 | type = NONE; |
---|
1721 | break; |
---|
1722 | case F_GETLK: |
---|
1723 | case F_SETLK: |
---|
1724 | case F_SETLKW: |
---|
1725 | type = POINTER; |
---|
1726 | break; |
---|
1727 | /* |
---|
1728 | case F_EXLCK: |
---|
1729 | case F_GETLK64: |
---|
1730 | case F_SETLK64: |
---|
1731 | case F_SETLKW64: |
---|
1732 | case F_SHLCK: |
---|
1733 | case F_LINUX_SPECIFIC_BASE: |
---|
1734 | case F_INPROGRESS: |
---|
1735 | */ |
---|
1736 | default: |
---|
1737 | type = UNKNOWN; |
---|
1738 | } |
---|
1739 | |
---|
1740 | if ( type == UNKNOWN ) { |
---|
1741 | errno = EINVAL; |
---|
1742 | return -1; |
---|
1743 | } |
---|
1744 | |
---|
1745 | if ( type != NONE ) { |
---|
1746 | va_start(ap, cmd); |
---|
1747 | switch (type) { |
---|
1748 | case LONG: |
---|
1749 | argl = va_arg(ap, long); |
---|
1750 | break; |
---|
1751 | case POINTER: |
---|
1752 | vp = va_arg(ap, void*); |
---|
1753 | break; |
---|
1754 | default: /* make compiler happy */ |
---|
1755 | break; |
---|
1756 | } |
---|
1757 | va_end(ap); |
---|
1758 | } |
---|
1759 | |
---|
1760 | if ( (pointer = _get_pointer_by_fh(fd)) == NULL ) { |
---|
1761 | switch (type) { |
---|
1762 | case NONE: |
---|
1763 | ROAR_DBG("fcntl(fd=%i, cmd=%i): fd is true sysio, pass call to kernel", fd, cmd); |
---|
1764 | return _os.fcntl(fd, cmd); |
---|
1765 | break; |
---|
1766 | case LONG: |
---|
1767 | ROAR_DBG("fcntl(fd=%i, cmd=%i, arg=%li): fd is true sysio, pass call to kernel", fd, cmd, argl); |
---|
1768 | return _os.fcntl(fd, cmd, argl); |
---|
1769 | break; |
---|
1770 | case POINTER: |
---|
1771 | ROAR_DBG("fcntl(fd=%i, cmd=%i, lock=%p): fd is true sysio, pass call to kernel", fd, cmd, vp); |
---|
1772 | return _os.fcntl(fd, cmd, vp); |
---|
1773 | break; |
---|
1774 | default: /* make compiler happy */ |
---|
1775 | break; |
---|
1776 | } |
---|
1777 | } |
---|
1778 | |
---|
1779 | ROAR_DBG("fcntl(fd=%i, cmd=%i, ...): fd is true pointer, handle internaly", fd, cmd); |
---|
1780 | |
---|
1781 | switch (cmd) { |
---|
1782 | case F_DUPFD: |
---|
1783 | ret = _os.fcntl(fd, F_DUPFD, argl); |
---|
1784 | |
---|
1785 | if ( ret != -1 ) { |
---|
1786 | if ( _attach_pointer(pointer->handle, ret) == NULL ) { |
---|
1787 | _os.close(ret); |
---|
1788 | ret = -1; |
---|
1789 | } |
---|
1790 | } |
---|
1791 | break; |
---|
1792 | case F_SETFD: |
---|
1793 | if ( argl == 0 ) { |
---|
1794 | ret = 0; |
---|
1795 | } else { |
---|
1796 | errno = ENOSYS; |
---|
1797 | ret = -1; |
---|
1798 | } |
---|
1799 | break; |
---|
1800 | case F_GETFD: |
---|
1801 | ret = 0; |
---|
1802 | break; |
---|
1803 | case F_GETFL: |
---|
1804 | ret = pointer->handle->sysio_flags; |
---|
1805 | break; |
---|
1806 | case F_SETFL: |
---|
1807 | diff = (int)argl ^ pointer->handle->sysio_flags; |
---|
1808 | diff &= (int)~(int)_O_PARA_DIR; |
---|
1809 | diff &= (int)~(int)_O_PARA_IGN; |
---|
1810 | |
---|
1811 | if ( diff & O_NONBLOCK ) { |
---|
1812 | diff -= O_NONBLOCK; |
---|
1813 | pointer->handle->sysio_flags ^= O_NONBLOCK; |
---|
1814 | if ( _update_nonblock(pointer->handle) == -1 ) { |
---|
1815 | pointer->handle->sysio_flags ^= O_NONBLOCK; |
---|
1816 | return -1; |
---|
1817 | } |
---|
1818 | } |
---|
1819 | |
---|
1820 | if ( diff == 0 ) { // only flags changed we ignore anyway. |
---|
1821 | pointer->handle->sysio_flags = (int)argl; |
---|
1822 | ret = 0; |
---|
1823 | } else { |
---|
1824 | errno = EINVAL; |
---|
1825 | ret = -1; |
---|
1826 | } |
---|
1827 | break; |
---|
1828 | /* TODO: add support for those types: |
---|
1829 | case F_SETFD: |
---|
1830 | case F_SETOWN: |
---|
1831 | case F_SETSIG: |
---|
1832 | case F_SETLEASE: |
---|
1833 | case F_NOTIFY: |
---|
1834 | case F_GETOWN: |
---|
1835 | case F_GETSIG: |
---|
1836 | case F_GETLEASE: |
---|
1837 | case F_GETLK: |
---|
1838 | case F_SETLK: |
---|
1839 | case F_SETLKW: |
---|
1840 | */ |
---|
1841 | default: |
---|
1842 | errno = ENOSYS; |
---|
1843 | ret = -1; |
---|
1844 | break; |
---|
1845 | } |
---|
1846 | |
---|
1847 | return ret; |
---|
1848 | } |
---|
1849 | |
---|
1850 | int access(const char *pathname, int mode) { |
---|
1851 | struct devices * ptr = NULL; |
---|
1852 | |
---|
1853 | _init(); |
---|
1854 | |
---|
1855 | if ( (ptr = _get_device(pathname)) != NULL ) { |
---|
1856 | // the only flag we do not support is +x, which means |
---|
1857 | // we need to reject all requets with X_OK. |
---|
1858 | if ( mode & X_OK ) { |
---|
1859 | errno = EACCES; |
---|
1860 | return -1; |
---|
1861 | } |
---|
1862 | |
---|
1863 | // in addition HT_STATIC files do not support write (+w) |
---|
1864 | // so we need to reject W_OK. |
---|
1865 | if ( ptr->type == HT_STATIC && (mode & W_OK) ) { |
---|
1866 | errno = EACCES; |
---|
1867 | return -1; |
---|
1868 | } |
---|
1869 | |
---|
1870 | // Else the access is granted: |
---|
1871 | return 0; |
---|
1872 | } |
---|
1873 | |
---|
1874 | return _os.access(pathname, mode); |
---|
1875 | } |
---|
1876 | |
---|
1877 | int creat(const char *_CREAT_ARG_PATHNAME, mode_t mode) { |
---|
1878 | _init(); |
---|
1879 | |
---|
1880 | if ( _get_device(_CREAT_ARG_PATHNAME) != NULL ) { |
---|
1881 | errno = EEXIST; |
---|
1882 | return -1; |
---|
1883 | } |
---|
1884 | |
---|
1885 | return _os.creat(_CREAT_ARG_PATHNAME, mode); |
---|
1886 | } |
---|
1887 | |
---|
1888 | // ------------------------------------- |
---|
1889 | // emulated *stat*() functions follow: |
---|
1890 | // ------------------------------------- |
---|
1891 | |
---|
1892 | int stat(const char *path, struct stat *buf) { |
---|
1893 | struct devices * ptr; |
---|
1894 | |
---|
1895 | _init(); |
---|
1896 | |
---|
1897 | if ( (ptr = _get_device(path)) != NULL ) { |
---|
1898 | errno = ENOSYS; |
---|
1899 | return -1; |
---|
1900 | } |
---|
1901 | |
---|
1902 | return _os.stat(path, buf); |
---|
1903 | } |
---|
1904 | |
---|
1905 | int fstat(int filedes, struct stat *buf) { |
---|
1906 | struct pointer * pointer; |
---|
1907 | |
---|
1908 | _init(); |
---|
1909 | |
---|
1910 | if ( (pointer = _get_pointer_by_fh(filedes)) == NULL ) { |
---|
1911 | return _os.fstat(filedes, buf); |
---|
1912 | } |
---|
1913 | |
---|
1914 | errno = ENOSYS; |
---|
1915 | return -1; |
---|
1916 | } |
---|
1917 | |
---|
1918 | int lstat(const char *path, struct stat *buf) { |
---|
1919 | _init(); |
---|
1920 | |
---|
1921 | if ( _get_device(path) != NULL ) { |
---|
1922 | return stat(path, buf); |
---|
1923 | } |
---|
1924 | |
---|
1925 | return _os.lstat(path, buf); |
---|
1926 | } |
---|
1927 | |
---|
1928 | // ------------------------------------- |
---|
1929 | // emulated stdio functions follow: |
---|
1930 | // ------------------------------------- |
---|
1931 | |
---|
1932 | //roar_vio_to_stdio |
---|
1933 | |
---|
1934 | static int _vio_close (struct roar_vio_calls * vio) { |
---|
1935 | int ret = 0; |
---|
1936 | |
---|
1937 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
1938 | ret = close(roar_vio_get_fh(vio)); |
---|
1939 | |
---|
1940 | roar_mm_free(vio); |
---|
1941 | |
---|
1942 | return ret; |
---|
1943 | } |
---|
1944 | |
---|
1945 | FILE *fopen(const char *path, const char *mode) { |
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1946 | struct roar_vio_calls * vio; |
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1947 | FILE * fr; |
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1948 | int ret; |
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1949 | int r = 0, w = 0; |
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1950 | int flags = 0; |
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1951 | int i; |
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1952 | register char c; |
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1953 | |
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1954 | _init(); |
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1955 | |
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1956 | if ( path == NULL || mode == NULL ) { |
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1957 | errno = EFAULT; |
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1958 | return NULL; |
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1959 | } |
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1960 | |
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1961 | ROAR_DBG("open(path='%s', mode='%s') = ?\n", path, mode); |
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1962 | |
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1963 | for (i = 0; (c = mode[i]) != 0; i++) { |
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1964 | switch (c) { |
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1965 | case 'r': r = 1; break; |
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1966 | case 'w': w = 1; break; |
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1967 | case 'a': w = 1; break; |
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1968 | case '+': |
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1969 | r = 1; |
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1970 | w = 1; |
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1971 | break; |
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1972 | } |
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1973 | } |
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1974 | |
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1975 | if ( r && w ) { |
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1976 | flags = O_RDWR; |
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1977 | } else if ( r ) { |
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1978 | flags = O_RDONLY; |
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1979 | } else if ( w ) { |
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1980 | flags = O_WRONLY; |
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1981 | } else { |
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1982 | errno = EINVAL; |
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1983 | return NULL; |
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1984 | } |
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1985 | |
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1986 | ret = _open_file(path, flags); |
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1987 | |
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1988 | switch (ret) { |
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1989 | case -2: // continue as normal, use _op.open() |
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1990 | break; |
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1991 | case -1: // pass error to caller |
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1992 | return NULL; |
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1993 | break; |
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1994 | default: // return successfully opened pointer to caller |
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1995 | if ( (vio = roar_mm_malloc(sizeof(struct roar_vio_calls))) == NULL ) { |
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1996 | return NULL; // errno should be set correctly by roar_mm_malloc(). |
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1997 | } |
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1998 | |
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1999 | roar_vio_init_calls(vio); // TODO: add error handling. |
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2000 | roar_vio_set_fh(vio, ret); // TODO: add error handling. |
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2001 | vio->close = _vio_close; |
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2002 | if ( (fr = roar_vio_to_stdio(vio, flags)) == NULL ) { |
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2003 | _vio_close(vio); |
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2004 | errno = EIO; |
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2005 | return NULL; |
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2006 | } else { |
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2007 | return fr; |
---|
2008 | } |
---|
2009 | break; |
---|
2010 | } |
---|
2011 | |
---|
2012 | return _os.fopen(path, mode); |
---|
2013 | } |
---|
2014 | |
---|
2015 | // ------------------------------------- |
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2016 | // RoarAudio plugin functions follow: |
---|
2017 | // ------------------------------------- |
---|
2018 | |
---|
2019 | ROAR_DL_PLUGIN_START(libroaross) { |
---|
2020 | (void)para; |
---|
2021 | _init(); |
---|
2022 | } ROAR_DL_PLUGIN_END |
---|
2023 | |
---|
2024 | #endif |
---|
2025 | |
---|
2026 | //ll |
---|