1 | //config.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | * |
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23 | * NOTE for everyone want's to change something and send patches: |
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24 | * read README and HACKING! There a addition information on |
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25 | * the license of this document you need to read before you send |
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26 | * any patches. |
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27 | * |
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28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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29 | * or libpulse*: |
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30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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31 | * and are therefore GPL. Because of this it may be illigal to use |
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32 | * them with any software that uses libesd, libartsc or libpulse*. |
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33 | */ |
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34 | |
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35 | #include "libroar.h" |
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36 | |
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37 | struct roar_libroar_config * roar_libroar_get_config_ptr(void) { |
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38 | static struct roar_libroar_config config; |
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39 | static int inited = 0; |
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40 | |
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41 | if ( !inited ) { |
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42 | memset(&config, 0, sizeof(config)); |
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43 | |
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44 | config.server = NULL; |
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45 | |
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46 | inited++; |
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47 | } |
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48 | |
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49 | return &config; |
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50 | } |
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51 | |
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52 | struct roar_libroar_config * roar_libroar_get_config(void) { |
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53 | struct roar_libroar_config * config = roar_libroar_get_config_ptr(); |
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54 | static int inited = 0; |
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55 | char * next; |
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56 | |
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57 | if ( !inited ) { |
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58 | next = getenv("ROAR_OPTIONS"); |
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59 | |
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60 | if ( next != NULL ) { |
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61 | roar_libroar_config_parse(next, " "); |
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62 | } |
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63 | |
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64 | inited++; |
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65 | } |
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66 | |
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67 | return config; |
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68 | } |
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69 | |
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70 | int roar_libroar_config_parse(char * txt, char * delm) { |
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71 | struct roar_libroar_config * config = roar_libroar_get_config_ptr(); |
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72 | char * k, * v, * next = txt; |
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73 | |
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74 | while (next != NULL) { |
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75 | k = next; |
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76 | |
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77 | if ( delm == NULL ) { |
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78 | // no delm -> we have only one option |
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79 | next = NULL; |
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80 | } else { |
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81 | next = strstr(next, delm); |
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82 | } |
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83 | |
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84 | if ( next != NULL ) { |
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85 | *next = 0; |
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86 | next++; |
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87 | } |
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88 | |
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89 | ROAR_DBG("roar_libroar_config_parse(*): k='%s'", k); |
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90 | |
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91 | // strip leading spaces: |
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92 | while ( *k == ' ' ) k++; |
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93 | |
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94 | ROAR_DBG("roar_libroar_config_parse(*): k='%s'", k); |
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95 | |
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96 | // strip tailing new lions: |
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97 | v = strtok(k, "\r\n"); |
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98 | if ( v != NULL ) { |
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99 | if ( *v == '\r' || *v == '\n' ) |
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100 | *v = 0; |
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101 | } |
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102 | |
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103 | ROAR_DBG("roar_libroar_config_parse(*): k='%s'", k); |
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104 | |
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105 | // comments |
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106 | if ( *k == '#' ) |
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107 | continue; |
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108 | |
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109 | ROAR_DBG("roar_libroar_config_parse(*): k='%s'", k); |
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110 | |
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111 | // empty options: |
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112 | if ( *k == 0 ) |
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113 | continue; |
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114 | |
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115 | if ( (v = strstr(k, ":")) != NULL ) { |
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116 | *v = 0; |
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117 | v++; |
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118 | } |
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119 | |
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120 | ROAR_DBG("roar_libroar_config_parse(*): k='%s', v='%s'", k, v); |
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121 | |
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122 | if ( !strcmp(k, "workaround") ) { |
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123 | if ( !strcmp(v, "use-execed") ) { |
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124 | config->workaround.workarounds |= ROAR_LIBROAR_CONFIG_WAS_USE_EXECED; |
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125 | } else { |
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126 | ROAR_WARN("roar_libroar_config_parse(*): Unknown workaround option: %s", v); |
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127 | } |
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128 | } else if ( !strcmp(k, "warning") || !strcmp(k, "warn") ) { |
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129 | if ( !strcmp(v, "sysio") ) { |
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130 | config->warnings.sysio = ROAR_WARNING_ALWAYS; |
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131 | } else { |
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132 | ROAR_WARN("roar_libroar_config_parse(*): Unknown warning option: %s", v); |
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133 | } |
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134 | } else { |
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135 | ROAR_WARN("roar_libroar_config_parse(*): Unknown option: %s", k); |
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136 | } |
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137 | } |
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138 | |
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139 | return 0; |
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140 | } |
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141 | |
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142 | struct roar_libroar_config_codec * roar_libroar_config_codec_get(int codec, int create) { |
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143 | struct roar_libroar_config * config = roar_libroar_get_config_ptr(); |
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144 | int i; |
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145 | int need_new = 1; |
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146 | |
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147 | if ( codec < 0 || create < 0 ) |
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148 | return NULL; |
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149 | |
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150 | if ( config->codecs.num == 0 ) { |
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151 | // no match case: |
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152 | if ( !create ) |
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153 | return NULL; |
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154 | } else { |
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155 | for (i = 0; i < config->codecs.num; i++) { |
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156 | if ( config->codecs.codec[i].codec == codec ) |
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157 | return &(config->codecs.codec[i]); |
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158 | if ( config->codecs.codec[i].codec == -1 ) |
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159 | need_new = 0; |
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160 | } |
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161 | } |
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162 | |
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163 | if ( !create ) |
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164 | return NULL; |
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165 | |
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166 | if ( !need_new ) { |
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167 | for (i = 0; i < config->codecs.num; i++) { |
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168 | if ( config->codecs.codec[i].codec == -1 ) { |
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169 | memset(&(config->codecs.codec[i]), 0, sizeof(struct roar_libroar_config_codec)); |
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170 | config->codecs.codec[i].codec = codec; |
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171 | return &(config->codecs.codec[i]); |
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172 | } |
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173 | } |
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174 | } |
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175 | |
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176 | if ( config->codecs.num == 0 ) { |
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177 | config->codecs.codec = malloc(16*sizeof(struct roar_libroar_config_codec)); |
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178 | } else { |
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179 | config->codecs.codec = realloc(config->codecs.codec, (config->codecs.num+16)*sizeof(struct roar_libroar_config_codec)); |
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180 | } |
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181 | |
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182 | if ( config->codecs.codec == NULL ) |
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183 | return NULL; |
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184 | |
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185 | memset(&(config->codecs.codec[config->codecs.num]), 0, 16); |
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186 | for (i = config->codecs.num; i < (config->codecs.num+16); i++) { |
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187 | config->codecs.codec[i].codec = -1; |
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188 | } |
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189 | |
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190 | i = config->codecs.num; |
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191 | config->codecs.num += 16; |
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192 | |
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193 | return &(config->codecs.codec[i]); |
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194 | } |
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195 | |
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196 | int roar_libroar_set_server(char * server) { |
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197 | roar_libroar_get_config_ptr()->server = server; |
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198 | return 0; |
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199 | } |
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200 | |
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201 | char * roar_libroar_get_server(void) { |
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202 | return roar_libroar_get_config_ptr()->server; |
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203 | } |
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204 | |
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205 | //ll |
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