[590] | 1 | //vio.c: |
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| 2 | |
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[690] | 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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[690] | 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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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[690] | 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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[590] | 36 | #include "libroar.h" |
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[3895] | 37 | |
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| 38 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
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[3852] | 39 | #include <sys/ioctl.h> |
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[3895] | 40 | #endif |
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[590] | 41 | |
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[1474] | 42 | #ifdef ROAR_HAVE_IO_POSIX |
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| 43 | #define _CAN_OPERATE |
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| 44 | #endif |
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| 45 | |
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[591] | 46 | int roar_vio_init_calls (struct roar_vio_calls * calls) { |
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[4963] | 47 | roar_debug_warn_obsolete("roar_vio_init_calls", "roar_vio_clear_calls", NULL); |
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| 48 | |
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[1474] | 49 | #ifdef _CAN_OPERATE |
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[4873] | 50 | if ( calls == NULL ) { |
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| 51 | roar_err_set(ROAR_ERROR_FAULT); |
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[591] | 52 | return -1; |
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[4873] | 53 | } |
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[591] | 54 | |
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| 55 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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| 56 | |
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[881] | 57 | /* |
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[597] | 58 | calls->read = (ssize_t (*)(int fd, void *buf, size_t count, void * inst))read; |
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| 59 | calls->write = (ssize_t (*)(int fd, void *buf, size_t count, void * inst))write; |
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| 60 | calls->lseek = (off_t (*)(int fildes, off_t offset, int whence, void * inst))lseek; |
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[881] | 61 | */ |
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| 62 | |
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[1118] | 63 | calls->read = roar_vio_basic_read; |
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| 64 | calls->write = roar_vio_basic_write; |
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| 65 | calls->lseek = roar_vio_basic_lseek; |
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| 66 | calls->nonblock = roar_vio_basic_nonblock; |
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| 67 | calls->sync = roar_vio_basic_sync; |
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[1505] | 68 | calls->ctl = roar_vio_basic_ctl; |
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[1241] | 69 | calls->close = roar_vio_basic_close; |
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[881] | 70 | |
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| 71 | return 0; |
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[1474] | 72 | #else |
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| 73 | return -1; |
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| 74 | #endif |
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[881] | 75 | } |
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| 76 | |
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[4963] | 77 | int roar_vio_clear_calls (struct roar_vio_calls * calls) { |
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| 78 | if ( calls == NULL ) { |
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| 79 | roar_err_set(ROAR_ERROR_FAULT); |
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| 80 | return -1; |
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| 81 | } |
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| 82 | |
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| 83 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
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| 84 | |
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| 85 | return 0; |
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| 86 | } |
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| 87 | |
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[881] | 88 | int roar_vio_set_inst (struct roar_vio_calls * vio, void * inst) { |
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[4873] | 89 | if ( vio == NULL ) { |
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| 90 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 91 | return -1; |
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[4873] | 92 | } |
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[881] | 93 | |
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| 94 | vio->inst = inst; |
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[591] | 95 | |
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| 96 | return 0; |
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| 97 | } |
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| 98 | |
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[881] | 99 | int roar_vio_set_fh (struct roar_vio_calls * vio, int fh) { |
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[989] | 100 | return roar_vio_set_inst(vio, (void*)(ROAR_INSTINT)(fh + 1)); |
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[881] | 101 | } |
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| 102 | |
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| 103 | int roar_vio_get_fh (struct roar_vio_calls * vio) { |
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[4873] | 104 | if ( vio == NULL ) { |
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| 105 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 106 | return -1; |
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[4873] | 107 | } |
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[881] | 108 | |
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[989] | 109 | return ((int)(ROAR_INSTINT)vio->inst) - 1; |
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[881] | 110 | } |
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| 111 | |
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| 112 | |
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| 113 | ssize_t roar_vio_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 114 | ssize_t ret; |
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| 115 | |
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[1319] | 116 | ROAR_DBG("roar_vio_read(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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| 117 | |
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[4873] | 118 | if ( vio == NULL ) { |
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| 119 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 120 | return -1; |
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[4873] | 121 | } |
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[881] | 122 | |
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[4873] | 123 | if ( vio->read == NULL ) { |
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| 124 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 125 | return -1; |
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[4873] | 126 | } |
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[881] | 127 | |
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[4873] | 128 | roar_err_clear_all(); |
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| 129 | ret = vio->read(vio, buf, count); |
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| 130 | roar_err_update(); |
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| 131 | |
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| 132 | return ret; |
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[881] | 133 | } |
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| 134 | |
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| 135 | ssize_t roar_vio_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
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[4873] | 136 | ssize_t ret; |
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| 137 | |
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[3276] | 138 | ROAR_DBG("roar_vio_write(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
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| 139 | |
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[4873] | 140 | if ( vio == NULL ) { |
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| 141 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 142 | return -1; |
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[4873] | 143 | } |
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[881] | 144 | |
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[4873] | 145 | if ( vio->write == NULL ) { |
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| 146 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 147 | return -1; |
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[4873] | 148 | } |
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[881] | 149 | |
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[4873] | 150 | roar_err_clear_all(); |
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| 151 | ret = vio->write(vio, buf, count); |
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| 152 | roar_err_update(); |
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| 153 | |
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| 154 | return ret; |
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[881] | 155 | } |
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| 156 | |
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| 157 | off_t roar_vio_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
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[4873] | 158 | off_t ret; |
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| 159 | |
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[3276] | 160 | ROAR_DBG("roar_vio_lseek(vio=%p, offset=%u, whence=%i) = ?", vio, (unsigned int)offset, whence); |
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| 161 | |
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[4873] | 162 | if ( vio == NULL ) { |
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| 163 | roar_err_set(ROAR_ERROR_FAULT); |
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[881] | 164 | return -1; |
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[4873] | 165 | } |
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[881] | 166 | |
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[4873] | 167 | if ( vio->lseek == NULL ) { |
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| 168 | roar_err_set(ROAR_ERROR_NOSYS); |
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[881] | 169 | return -1; |
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[4873] | 170 | } |
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[881] | 171 | |
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[4873] | 172 | roar_err_clear_all(); |
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| 173 | ret = vio->lseek(vio, offset, whence); |
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| 174 | roar_err_update(); |
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| 175 | |
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| 176 | return ret; |
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[881] | 177 | } |
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| 178 | |
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[1118] | 179 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state) { |
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[4873] | 180 | int ret; |
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| 181 | |
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[3276] | 182 | ROAR_DBG("roar_vio_nonblock(vio=%p, state=%i) = ?", vio, state); |
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| 183 | |
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[4873] | 184 | if ( vio == NULL ) { |
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| 185 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 186 | return -1; |
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[4873] | 187 | } |
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[1118] | 188 | |
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[4873] | 189 | if ( vio->nonblock == NULL ) { |
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| 190 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1118] | 191 | return -1; |
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[4873] | 192 | } |
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[1118] | 193 | |
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[4873] | 194 | roar_err_clear_all(); |
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| 195 | ret = vio->nonblock(vio, state); |
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| 196 | roar_err_update(); |
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| 197 | |
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| 198 | return ret; |
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[1118] | 199 | } |
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| 200 | |
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| 201 | int roar_vio_sync (struct roar_vio_calls * vio) { |
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[4873] | 202 | int ret; |
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| 203 | |
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[3276] | 204 | ROAR_DBG("roar_vio_sync(vio=%p) = ?", vio); |
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| 205 | |
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[4873] | 206 | if ( vio == NULL ) { |
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| 207 | roar_err_set(ROAR_ERROR_FAULT); |
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[1118] | 208 | return -1; |
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[4873] | 209 | } |
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[1118] | 210 | |
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[4873] | 211 | if ( vio->sync == NULL ) { |
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| 212 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1118] | 213 | return -1; |
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[4873] | 214 | } |
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[1118] | 215 | |
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[4873] | 216 | roar_err_clear_all(); |
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| 217 | ret = vio->sync(vio); |
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| 218 | roar_err_update(); |
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| 219 | |
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| 220 | return ret; |
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[1118] | 221 | } |
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| 222 | |
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[1140] | 223 | int roar_vio_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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[4873] | 224 | int ret; |
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| 225 | |
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[3276] | 226 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=%i, data=%p) = ?", vio, cmd, data); |
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| 227 | |
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[4873] | 228 | if ( vio == NULL ) { |
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| 229 | roar_err_set(ROAR_ERROR_FAULT); |
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[1140] | 230 | return -1; |
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[4873] | 231 | } |
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[1140] | 232 | |
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[1615] | 233 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): vio->ctl=%p", vio, cmd, data, vio->ctl); |
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| 234 | |
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[4831] | 235 | switch (cmd) { |
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| 236 | case ROAR_VIO_CTL_CONFLICTING_ID_0: |
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| 237 | case ROAR_VIO_CTL_CONFLICTING_ID_1: |
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| 238 | ROAR_ERR("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): Your progam uses a VIO ctl call with a conflicting ID.", vio, cmd, data); |
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| 239 | ROAR_ERR("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): Please recompile your program to fix this. (No additional steps are required beside that.)", vio, cmd, data); |
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| 240 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p) = -1", vio, cmd, data); |
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[4873] | 241 | roar_err_set(ROAR_ERROR_BADRQC); |
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[4831] | 242 | return -1; |
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| 243 | break; |
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| 244 | } |
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| 245 | |
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[4873] | 246 | if ( vio->ctl == NULL ) { |
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| 247 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1140] | 248 | return -1; |
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[4873] | 249 | } |
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[1140] | 250 | |
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[4873] | 251 | roar_err_clear_all(); |
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| 252 | ret = vio->ctl(vio, cmd, data); |
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| 253 | roar_err_update(); |
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| 254 | |
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| 255 | return ret; |
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[1140] | 256 | } |
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| 257 | |
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[1241] | 258 | int roar_vio_close (struct roar_vio_calls * vio) { |
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[4873] | 259 | int ret; |
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| 260 | |
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[3276] | 261 | ROAR_DBG("roar_vio_close(vio=%p) = ?", vio); |
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| 262 | |
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[4873] | 263 | if ( vio == NULL ) { |
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| 264 | roar_err_set(ROAR_ERROR_FAULT); |
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[1241] | 265 | return -1; |
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[4873] | 266 | } |
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[1241] | 267 | |
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[4873] | 268 | if ( vio->close == NULL ) { |
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| 269 | roar_err_set(ROAR_ERROR_NOSYS); |
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[1241] | 270 | return -1; |
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[4873] | 271 | } |
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[1241] | 272 | |
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[4873] | 273 | roar_err_clear_all(); |
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| 274 | ret = vio->close(vio); |
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| 275 | roar_err_update(); |
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| 276 | |
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| 277 | return ret; |
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[1241] | 278 | } |
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| 279 | |
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[3769] | 280 | // specal commands: |
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| 281 | int roar_vio_accept (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
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[4873] | 282 | if (dst == NULL || calls == NULL) { |
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| 283 | roar_err_set(ROAR_ERROR_FAULT); |
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[3769] | 284 | return -1; |
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[4873] | 285 | } |
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[3769] | 286 | |
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| 287 | return roar_vio_ctl(dst, ROAR_VIO_CTL_ACCEPT, calls); |
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| 288 | } |
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| 289 | |
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[3796] | 290 | int roar_vio_shutdown(struct roar_vio_calls * vio, int how) { |
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[4968] | 291 | if (vio == NULL) { |
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| 292 | roar_err_set(ROAR_ERROR_FAULT); |
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| 293 | return -1; |
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| 294 | } |
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| 295 | |
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| 296 | if ( ( (how | ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) - |
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| 297 | (ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) ) != 0 ) { |
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| 298 | roar_err_set(ROAR_ERROR_INVAL); |
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| 299 | return -1; |
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| 300 | } |
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| 301 | |
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[3796] | 302 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SHUTDOWN, &how); |
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| 303 | } |
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| 304 | |
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[1252] | 305 | // converters: |
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| 306 | int roar_vio_open_file (struct roar_vio_calls * calls, char * filename, int flags, mode_t mode) { |
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[1474] | 307 | #ifdef _CAN_OPERATE |
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[1252] | 308 | int fh; |
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| 309 | |
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[4873] | 310 | roar_debug_warn_obsolete("roar_vio_open_file", "roar_vio_open_dstr", NULL); |
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| 311 | |
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| 312 | if ( calls == NULL || filename == NULL ) { |
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| 313 | roar_err_set(ROAR_ERROR_FAULT); |
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[1252] | 314 | return -1; |
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[4873] | 315 | } |
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[1252] | 316 | |
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[1762] | 317 | #ifdef ROAR_TARGET_WIN32 |
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| 318 | flags |= O_BINARY; |
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| 319 | #endif |
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| 320 | |
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[4873] | 321 | roar_err_clear_all(); |
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| 322 | if ( (fh = open(filename, flags, mode)) == -1 ) { |
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[4876] | 323 | ROAR_DBG("roar_vio_open_file(*): errno=%s", strerror(errno)); |
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[4873] | 324 | roar_err_update(); |
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[4876] | 325 | ROAR_DBG("roar_vio_open_file(*): errno=%s", strerror(errno)); |
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[1252] | 326 | return -1; |
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[4873] | 327 | } |
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[1252] | 328 | |
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| 329 | if ( roar_vio_open_fh(calls, fh) == -1 ) { |
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| 330 | close(fh); |
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[4873] | 331 | roar_err_update(); |
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[1252] | 332 | return -1; |
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| 333 | } |
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| 334 | |
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[4873] | 335 | roar_err_update(); |
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[1252] | 336 | return 0; |
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[1474] | 337 | #else |
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| 338 | return -1; |
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| 339 | #endif |
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[1252] | 340 | } |
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| 341 | |
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| 342 | int roar_vio_open_fh (struct roar_vio_calls * calls, int fh) { |
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[4968] | 343 | if ( calls == NULL ) { |
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| 344 | roar_err_set(ROAR_ERROR_FAULT); |
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[1252] | 345 | return -1; |
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[4968] | 346 | } |
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[1252] | 347 | |
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[4963] | 348 | roar_libroar_nowarn(); |
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| 349 | if ( roar_vio_init_calls(calls) == -1 ) { |
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| 350 | roar_libroar_warn(); |
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[1252] | 351 | return -1; |
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[4963] | 352 | } |
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| 353 | roar_libroar_warn(); |
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[1252] | 354 | |
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| 355 | return roar_vio_set_fh(calls, fh); |
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| 356 | } |
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| 357 | |
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[1290] | 358 | int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh) { |
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[4968] | 359 | if ( calls == NULL ) { |
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| 360 | roar_err_set(ROAR_ERROR_FAULT); |
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[1290] | 361 | return -1; |
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[4968] | 362 | } |
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[1290] | 363 | |
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[1666] | 364 | if ( roar_vio_open_fh(calls, fh) == -1 ) |
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| 365 | return -1; |
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| 366 | |
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[1760] | 367 | #ifdef ROAR_TARGET_WIN32 |
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| 368 | calls->read = roar_vio_winsock_read; |
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| 369 | calls->write = roar_vio_winsock_write; |
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| 370 | calls->nonblock = roar_vio_winsock_nonblock; |
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| 371 | calls->sync = roar_vio_winsock_sync; |
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| 372 | calls->ctl = roar_vio_winsock_ctl; |
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| 373 | calls->close = roar_vio_winsock_close; |
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| 374 | #else |
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| 375 | calls->sync = roar_vio_null_sync; |
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| 376 | #endif |
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[1666] | 377 | |
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| 378 | return 0; |
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[1290] | 379 | } |
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| 380 | |
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[1291] | 381 | int roar_vio_open_socket (struct roar_vio_calls * calls, char * host, int port) { |
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| 382 | int fh; |
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| 383 | |
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[4968] | 384 | if ( calls == NULL ) { |
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| 385 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 386 | return -1; |
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[4968] | 387 | } |
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[1291] | 388 | |
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| 389 | if ( (fh = roar_socket_connect(host, port)) == -1 ) |
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| 390 | return -1; |
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| 391 | |
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| 392 | return roar_vio_open_fh_socket(calls, fh); |
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| 393 | } |
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| 394 | |
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| 395 | int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, char * host, int port) { |
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| 396 | int fh; |
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| 397 | |
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[4968] | 398 | if ( calls == NULL ) { |
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| 399 | roar_err_set(ROAR_ERROR_FAULT); |
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[1291] | 400 | return -1; |
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[4968] | 401 | } |
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[1291] | 402 | |
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| 403 | if ( (fh = roar_socket_listen(type, host, port)) == -1 ) |
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| 404 | return -1; |
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| 405 | |
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| 406 | return roar_vio_open_fh_socket(calls, fh); |
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| 407 | } |
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| 408 | |
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[1275] | 409 | int roar_vio_simple_stream (struct roar_vio_calls * calls, int rate, int channels, int bits, int codec, |
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| 410 | char * server, int dir, char * name) { |
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| 411 | int fh; |
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| 412 | |
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[4968] | 413 | if ( calls == NULL ) { |
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| 414 | roar_err_set(ROAR_ERROR_FAULT); |
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[1275] | 415 | return -1; |
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[4968] | 416 | } |
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[1275] | 417 | |
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[3860] | 418 | roar_libroar_nowarn(); |
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| 419 | if ( (fh = roar_simple_stream(rate, channels, bits, codec, server, dir, name)) == -1 ) { |
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| 420 | roar_libroar_warn(); |
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[1275] | 421 | return -1; |
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[3860] | 422 | } |
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| 423 | roar_libroar_warn(); |
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[1275] | 424 | |
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[1290] | 425 | return roar_vio_open_fh_socket(calls, fh); |
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[1275] | 426 | } |
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| 427 | |
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[2841] | 428 | int roar_vio_simple_new_stream_obj (struct roar_vio_calls * calls, |
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| 429 | struct roar_connection * con, |
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| 430 | struct roar_stream * s, |
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| 431 | int rate, int channels, int bits, int codec, int dir) { |
---|
[3859] | 432 | struct roar_stream stream; |
---|
[2841] | 433 | int fh; |
---|
| 434 | |
---|
[4692] | 435 | ROAR_DBG("roar_vio_simple_new_stream_obj(*) = ?"); |
---|
| 436 | |
---|
[4968] | 437 | if ( calls == NULL ) { |
---|
| 438 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[2841] | 439 | return -1; |
---|
[4968] | 440 | } |
---|
[2841] | 441 | |
---|
[3859] | 442 | if ( s == NULL ) |
---|
| 443 | s = &stream; |
---|
| 444 | |
---|
[3860] | 445 | roar_libroar_nowarn(); |
---|
| 446 | if ( (fh = roar_simple_new_stream_obj(con, s, rate, channels, bits, codec, dir)) == -1 ) { |
---|
| 447 | roar_libroar_warn(); |
---|
[4692] | 448 | ROAR_DBG("roar_vio_simple_new_stream_obj(*) = -1"); |
---|
[2841] | 449 | return -1; |
---|
[3860] | 450 | } |
---|
| 451 | roar_libroar_warn(); |
---|
[2841] | 452 | |
---|
[4692] | 453 | ROAR_DBG("roar_vio_simple_new_stream_obj(*): fh=%i", fh); |
---|
| 454 | |
---|
[2841] | 455 | return roar_vio_open_fh_socket(calls, fh); |
---|
| 456 | } |
---|
| 457 | |
---|
[886] | 458 | // VIOs: |
---|
[881] | 459 | |
---|
[886] | 460 | // basic |
---|
[881] | 461 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[1474] | 462 | #ifdef _CAN_OPERATE |
---|
[881] | 463 | return read(roar_vio_get_fh(vio), buf, count); |
---|
[1474] | 464 | #else |
---|
[4968] | 465 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 466 | return -1; |
---|
| 467 | #endif |
---|
[881] | 468 | } |
---|
| 469 | |
---|
| 470 | ssize_t roar_vio_basic_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[1474] | 471 | #ifdef _CAN_OPERATE |
---|
[881] | 472 | return write(roar_vio_get_fh(vio), buf, count); |
---|
[1474] | 473 | #else |
---|
[4968] | 474 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 475 | return -1; |
---|
| 476 | #endif |
---|
[881] | 477 | } |
---|
| 478 | |
---|
| 479 | off_t roar_vio_basic_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
[1474] | 480 | #ifdef _CAN_OPERATE |
---|
[881] | 481 | return lseek(roar_vio_get_fh(vio), offset, whence); |
---|
[1474] | 482 | #else |
---|
[4968] | 483 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 484 | return -1; |
---|
| 485 | #endif |
---|
[881] | 486 | } |
---|
| 487 | |
---|
[1118] | 488 | int roar_vio_basic_nonblock(struct roar_vio_calls * vio, int state) { |
---|
| 489 | if ( roar_socket_nonblock(roar_vio_get_fh(vio), state) == -1 ) |
---|
| 490 | return -1; |
---|
| 491 | |
---|
| 492 | if ( state == ROAR_SOCKET_NONBLOCK ) |
---|
| 493 | return 0; |
---|
| 494 | |
---|
[1125] | 495 | roar_vio_sync(vio); |
---|
| 496 | |
---|
| 497 | return 0; |
---|
[1118] | 498 | } |
---|
| 499 | |
---|
| 500 | int roar_vio_basic_sync (struct roar_vio_calls * vio) { |
---|
[1397] | 501 | #ifdef ROAR_FDATASYNC |
---|
[1171] | 502 | return ROAR_FDATASYNC(roar_vio_get_fh(vio)); |
---|
[1397] | 503 | #else |
---|
| 504 | return 0; |
---|
| 505 | #endif |
---|
[1118] | 506 | } |
---|
| 507 | |
---|
[1505] | 508 | int roar_vio_basic_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
---|
[3895] | 509 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 510 | struct roar_vio_sysio_ioctl * sysioctl; |
---|
[3895] | 511 | #endif |
---|
[4718] | 512 | #if defined(ROAR_HAVE_GETSOCKOPT) || defined(ROAR_HAVE_SETSOCKOPT) |
---|
| 513 | struct roar_vio_sysio_sockopt * syssockopt; |
---|
| 514 | #endif |
---|
[3796] | 515 | int tmp; |
---|
| 516 | int s_r = 0, s_w = 0; |
---|
[4705] | 517 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 518 | union { |
---|
| 519 | struct sockaddr sa; |
---|
| 520 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
| 521 | struct sockaddr_in in; |
---|
| 522 | #endif |
---|
| 523 | #ifdef ROAR_HAVE_UNIX |
---|
| 524 | struct sockaddr_un un; |
---|
| 525 | #endif |
---|
| 526 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 527 | struct sockaddr_dn dn; |
---|
| 528 | #endif |
---|
| 529 | #ifdef ROAR_HAVE_IPV6 |
---|
| 530 | struct sockaddr_in6 in6; |
---|
| 531 | #endif |
---|
| 532 | #ifdef ROAR_HAVE_IPX |
---|
| 533 | struct sockaddr_ipx ipx; |
---|
| 534 | #endif |
---|
| 535 | } sockaddr; |
---|
| 536 | socklen_t socklen; |
---|
| 537 | struct roar_sockname * rsockname; |
---|
| 538 | #endif |
---|
[1505] | 539 | |
---|
[4968] | 540 | if ( vio == NULL ) { |
---|
| 541 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 542 | return -1; |
---|
[4968] | 543 | } |
---|
| 544 | |
---|
| 545 | if ( cmd == -1 ) { |
---|
| 546 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 547 | return -1; |
---|
| 548 | } |
---|
[1505] | 549 | |
---|
[1615] | 550 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 551 | |
---|
[1505] | 552 | switch (cmd) { |
---|
[3795] | 553 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 554 | if ( data == NULL ) { |
---|
| 555 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 556 | return -1; |
---|
[4968] | 557 | } |
---|
[3795] | 558 | |
---|
| 559 | *(char**)data = "basic"; |
---|
| 560 | return 0; |
---|
| 561 | break; |
---|
[1505] | 562 | case ROAR_VIO_CTL_GET_FH: |
---|
| 563 | case ROAR_VIO_CTL_GET_READ_FH: |
---|
| 564 | case ROAR_VIO_CTL_GET_WRITE_FH: |
---|
[3436] | 565 | case ROAR_VIO_CTL_GET_SELECT_FH: |
---|
| 566 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
---|
| 567 | case ROAR_VIO_CTL_GET_SELECT_WRITE_FH: |
---|
[1615] | 568 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=ROAR_VIO_CTL_GET_*FH(0x%.8x), data=%p) = 0 // fh=%i", vio, cmd, data, roar_vio_get_fh(vio)); |
---|
[1505] | 569 | *(int*)data = roar_vio_get_fh(vio); |
---|
| 570 | return 0; |
---|
| 571 | break; |
---|
[2054] | 572 | case ROAR_VIO_CTL_SET_NOSYNC: |
---|
| 573 | vio->sync = NULL; |
---|
| 574 | return 0; |
---|
| 575 | break; |
---|
[3769] | 576 | case ROAR_VIO_CTL_ACCEPT: |
---|
[3898] | 577 | tmp = ROAR_ACCEPT(roar_vio_get_fh(vio), NULL, 0); |
---|
[3796] | 578 | if ( tmp == -1 ) |
---|
[3769] | 579 | return -1; |
---|
| 580 | |
---|
| 581 | // most proably a socket. |
---|
[3796] | 582 | if ( roar_vio_open_fh_socket(data, tmp) == -1 ) { |
---|
[3769] | 583 | #ifdef ROAR_TARGET_WIN32 |
---|
[3796] | 584 | closesocket(tmp); |
---|
[3769] | 585 | #else |
---|
[3796] | 586 | close(tmp); |
---|
[3769] | 587 | #endif |
---|
| 588 | return -1; |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | return 0; |
---|
| 592 | break; |
---|
[3796] | 593 | case ROAR_VIO_CTL_SHUTDOWN: |
---|
| 594 | tmp = *(int*)data; |
---|
| 595 | |
---|
| 596 | if ( tmp & ROAR_VIO_SHUTDOWN_READ ) { |
---|
| 597 | s_r = 1; |
---|
| 598 | tmp -= ROAR_VIO_SHUTDOWN_READ; |
---|
| 599 | } |
---|
| 600 | |
---|
| 601 | if ( tmp & ROAR_VIO_SHUTDOWN_WRITE ) { |
---|
| 602 | s_w = 1; |
---|
| 603 | tmp -= ROAR_VIO_SHUTDOWN_WRITE; |
---|
| 604 | } |
---|
| 605 | |
---|
[4968] | 606 | if ( tmp != 0 ) { /* we currently only support R and W shutdowns */ |
---|
| 607 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[3796] | 608 | return -1; |
---|
[4968] | 609 | } |
---|
[3796] | 610 | |
---|
| 611 | if ( s_r && s_w ) { |
---|
| 612 | tmp = SHUT_RDWR; |
---|
| 613 | } else if ( s_r ) { |
---|
| 614 | tmp = SHUT_RD; |
---|
| 615 | } else if ( s_w ) { |
---|
| 616 | tmp = SHUT_WR; |
---|
| 617 | } else { |
---|
| 618 | return 0; // nothing to do. |
---|
| 619 | } |
---|
| 620 | |
---|
[3858] | 621 | return ROAR_SHUTDOWN(roar_vio_get_fh(vio), tmp); |
---|
[3796] | 622 | break; |
---|
[4705] | 623 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 624 | case ROAR_VIO_CTL_GET_SOCKNAME: |
---|
| 625 | case ROAR_VIO_CTL_GET_PEERNAME: |
---|
[4968] | 626 | if ( data == NULL ) { |
---|
| 627 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[4705] | 628 | return -1; |
---|
[4968] | 629 | } |
---|
[4705] | 630 | |
---|
| 631 | rsockname = data; |
---|
| 632 | |
---|
| 633 | socklen = sizeof(sockaddr); |
---|
| 634 | |
---|
| 635 | if ( cmd == ROAR_VIO_CTL_GET_SOCKNAME ) { |
---|
| 636 | #ifdef ROAR_HAVE_GETSOCKNAME |
---|
| 637 | tmp = getsockname(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 638 | #else |
---|
[4968] | 639 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 640 | return -1; |
---|
| 641 | #endif |
---|
| 642 | } else if ( cmd == ROAR_VIO_CTL_GET_PEERNAME ) { |
---|
| 643 | #ifdef ROAR_HAVE_GETPEERNAME |
---|
| 644 | tmp = getpeername(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 645 | #else |
---|
[4968] | 646 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 647 | return -1; |
---|
| 648 | #endif |
---|
| 649 | } else { |
---|
[4968] | 650 | // memory corruption: |
---|
[4973] | 651 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
---|
[4968] | 652 | roar_err_set(ROAR_ERROR_CHERNOBYL); |
---|
[4705] | 653 | return -1; |
---|
| 654 | } |
---|
| 655 | |
---|
| 656 | if ( tmp == -1 ) |
---|
| 657 | return -1; |
---|
| 658 | |
---|
| 659 | memset(rsockname, 0, sizeof(struct roar_sockname)); |
---|
| 660 | |
---|
| 661 | switch (sockaddr.sa.sa_family) { |
---|
[4730] | 662 | #if defined(AF_UNIX) && defined(ROAR_HAVE_UNIX) |
---|
[4705] | 663 | case AF_UNIX: |
---|
| 664 | rsockname->type = ROAR_SOCKET_TYPE_UNIX; |
---|
| 665 | if ( sockaddr.un.sun_path[0] == 0 ) { |
---|
| 666 | rsockname->addr = roar_mm_malloc(sizeof(sockaddr.un.sun_path)); |
---|
| 667 | if ( rsockname->addr == NULL ) |
---|
| 668 | return -1; |
---|
| 669 | memcpy(rsockname->addr, sockaddr.un.sun_path, sizeof(sockaddr.un.sun_path)); |
---|
| 670 | } else { |
---|
| 671 | rsockname->addr = roar_mm_strdup(sockaddr.un.sun_path); |
---|
| 672 | } |
---|
| 673 | break; |
---|
| 674 | #endif |
---|
[4730] | 675 | #if defined(AF_DECnet) && defined(ROAR_HAVE_LIBDNET) |
---|
[4705] | 676 | case AF_DECnet: |
---|
| 677 | rsockname->type = ROAR_SOCKET_TYPE_DECNET; |
---|
| 678 | |
---|
[4968] | 679 | if ( sockaddr.dn.sdn_add.a_len != 2 ) { |
---|
| 680 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 681 | return -1; |
---|
[4968] | 682 | } |
---|
[4705] | 683 | |
---|
| 684 | rsockname->addr = roar_mm_malloc(28); |
---|
| 685 | if ( rsockname->addr == NULL ) |
---|
| 686 | return -1; |
---|
| 687 | |
---|
| 688 | snprintf(rsockname->addr, 28, "%i.%i::", |
---|
| 689 | sockaddr.dn.sdn_add.a_addr[1] >> 2, |
---|
| 690 | sockaddr.dn.sdn_add.a_addr[0] + ((sockaddr.dn.sdn_add.a_addr[1] & 0x03) << 8)); |
---|
| 691 | |
---|
| 692 | rsockname->port = sockaddr.dn.sdn_objnum; |
---|
| 693 | if ( sockaddr.dn.sdn_objnum == 0 ) { |
---|
| 694 | tmp = strlen(rsockname->addr); |
---|
| 695 | memcpy(rsockname->addr + tmp, sockaddr.dn.sdn_objname, sockaddr.dn.sdn_objnamel); |
---|
| 696 | rsockname->addr[tmp + sockaddr.dn.sdn_objnamel] = 0; |
---|
| 697 | } |
---|
| 698 | break; |
---|
| 699 | #endif |
---|
[4730] | 700 | #if defined(AF_INET) && (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) |
---|
[4705] | 701 | case AF_INET: |
---|
| 702 | rsockname->type = ROAR_SOCKET_TYPE_INET; |
---|
| 703 | rsockname->port = ntohs(sockaddr.in.sin_port); |
---|
| 704 | rsockname->addr = roar_mm_strdup(inet_ntoa(sockaddr.in.sin_addr)); |
---|
| 705 | break; |
---|
| 706 | #endif |
---|
[4730] | 707 | #if defined(AF_INET6) && defined(ROAR_HAVE_IPV6) |
---|
[4705] | 708 | case AF_INET6: |
---|
| 709 | rsockname->type = ROAR_SOCKET_TYPE_INET6; |
---|
| 710 | rsockname->port = ntohs(sockaddr.in6.sin6_port); |
---|
| 711 | break; |
---|
| 712 | #endif |
---|
| 713 | default: |
---|
[4968] | 714 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 715 | return -1; |
---|
| 716 | } |
---|
| 717 | return 0; |
---|
| 718 | #endif |
---|
| 719 | break; |
---|
[3895] | 720 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 721 | case ROAR_VIO_CTL_SYSIO_IOCTL: |
---|
| 722 | sysioctl = data; |
---|
| 723 | return ioctl(roar_vio_get_fh(vio), sysioctl->cmd, sysioctl->argp); |
---|
| 724 | break; |
---|
[3895] | 725 | #endif |
---|
[4718] | 726 | #ifdef ROAR_HAVE_GETSOCKOPT |
---|
| 727 | case ROAR_VIO_CTL_GET_SYSIO_SOCKOPT: |
---|
| 728 | syssockopt = data; |
---|
| 729 | return getsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, &(syssockopt->optlen)); |
---|
| 730 | break; |
---|
| 731 | #endif |
---|
| 732 | #ifdef ROAR_HAVE_SETSOCKOPT |
---|
| 733 | case ROAR_VIO_CTL_SET_SYSIO_SOCKOPT: |
---|
| 734 | syssockopt = data; |
---|
| 735 | return setsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, syssockopt->optlen); |
---|
| 736 | break; |
---|
| 737 | #endif |
---|
[1505] | 738 | } |
---|
| 739 | |
---|
[4873] | 740 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
[1505] | 741 | return -1; |
---|
| 742 | } |
---|
| 743 | |
---|
[1241] | 744 | int roar_vio_basic_close (struct roar_vio_calls * vio) { |
---|
[1474] | 745 | #ifdef _CAN_OPERATE |
---|
[1336] | 746 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
| 747 | return close(roar_vio_get_fh(vio)); |
---|
| 748 | |
---|
| 749 | return 0; |
---|
[1474] | 750 | #else |
---|
[4968] | 751 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 752 | return -1; |
---|
| 753 | #endif |
---|
[1241] | 754 | } |
---|
| 755 | |
---|
[943] | 756 | // null |
---|
| 757 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[4968] | 758 | if ( vio == NULL || buf == NULL ) { |
---|
| 759 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[943] | 760 | return -1; |
---|
[4968] | 761 | } |
---|
[943] | 762 | |
---|
| 763 | return 0; |
---|
| 764 | } |
---|
| 765 | |
---|
[1665] | 766 | int roar_vio_null_sync (struct roar_vio_calls * vio) { |
---|
| 767 | return 0; |
---|
| 768 | } |
---|
| 769 | |
---|
[886] | 770 | // pass |
---|
[1247] | 771 | int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
[4968] | 772 | if ( calls == NULL || dst == NULL ) { |
---|
| 773 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1247] | 774 | return -1; |
---|
[4968] | 775 | } |
---|
[1247] | 776 | |
---|
| 777 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
| 778 | |
---|
| 779 | calls->read = roar_vio_pass_read; |
---|
| 780 | calls->write = roar_vio_pass_write; |
---|
| 781 | calls->lseek = roar_vio_pass_lseek; |
---|
| 782 | calls->nonblock = roar_vio_pass_nonblock; |
---|
| 783 | calls->sync = roar_vio_pass_sync; |
---|
[1615] | 784 | calls->ctl = roar_vio_pass_ctl; |
---|
[1247] | 785 | calls->close = roar_vio_pass_close; |
---|
| 786 | |
---|
| 787 | calls->inst = dst; |
---|
| 788 | |
---|
| 789 | return 0; |
---|
| 790 | } |
---|
| 791 | |
---|
[886] | 792 | ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 793 | return roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 794 | } |
---|
| 795 | |
---|
| 796 | ssize_t roar_vio_pass_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 797 | return roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 798 | } |
---|
| 799 | |
---|
| 800 | off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
| 801 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 802 | } |
---|
| 803 | |
---|
[1241] | 804 | int roar_vio_pass_nonblock(struct roar_vio_calls * vio, int state) { |
---|
| 805 | return roar_vio_nonblock((struct roar_vio_calls *) vio->inst, state); |
---|
| 806 | } |
---|
| 807 | |
---|
| 808 | int roar_vio_pass_sync (struct roar_vio_calls * vio) { |
---|
| 809 | return roar_vio_sync((struct roar_vio_calls *) vio->inst); |
---|
| 810 | } |
---|
| 811 | |
---|
| 812 | int roar_vio_pass_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
---|
[4968] | 813 | if (vio == NULL) { |
---|
| 814 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 815 | return -1; |
---|
[4968] | 816 | } |
---|
| 817 | |
---|
| 818 | if (cmd == -1) { |
---|
| 819 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 820 | return -1; |
---|
| 821 | } |
---|
[1505] | 822 | |
---|
[1615] | 823 | ROAR_DBG("roar_vio_pass_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 824 | |
---|
[1505] | 825 | switch (cmd) { |
---|
[3795] | 826 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 827 | if ( data == NULL ) { |
---|
| 828 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 829 | return -1; |
---|
[4968] | 830 | } |
---|
[3795] | 831 | |
---|
[4829] | 832 | // dirty trick to get real name... |
---|
| 833 | if ( vio->read == roar_vio_re_read ) { |
---|
| 834 | *(char**)data = "re"; |
---|
| 835 | } else { |
---|
| 836 | *(char**)data = "pass"; |
---|
| 837 | } |
---|
[3795] | 838 | return 0; |
---|
| 839 | break; |
---|
[1505] | 840 | case ROAR_VIO_CTL_GET_NEXT: |
---|
| 841 | *(struct roar_vio_calls **)data = vio->inst; |
---|
| 842 | return 0; |
---|
| 843 | break; |
---|
| 844 | case ROAR_VIO_CTL_SET_NEXT: |
---|
| 845 | vio->inst = *(struct roar_vio_calls **)data; |
---|
| 846 | return 0; |
---|
| 847 | break; |
---|
| 848 | } |
---|
| 849 | |
---|
[1241] | 850 | return roar_vio_ctl((struct roar_vio_calls *) vio->inst, cmd, data); |
---|
| 851 | } |
---|
| 852 | |
---|
| 853 | int roar_vio_pass_close (struct roar_vio_calls * vio) { |
---|
| 854 | return roar_vio_close((struct roar_vio_calls *) vio->inst); |
---|
| 855 | } |
---|
| 856 | |
---|
[886] | 857 | |
---|
| 858 | // re |
---|
[1247] | 859 | int roar_vio_open_re (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
| 860 | if ( roar_vio_open_pass(calls, dst) == -1 ) |
---|
| 861 | return -1; |
---|
| 862 | |
---|
| 863 | calls->read = roar_vio_re_read; |
---|
| 864 | calls->write = roar_vio_re_write; |
---|
| 865 | calls->lseek = roar_vio_re_lseek; |
---|
| 866 | |
---|
| 867 | return 0; |
---|
| 868 | } |
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[886] | 869 | ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 870 | size_t len = 0; |
---|
| 871 | ssize_t r = -1; |
---|
| 872 | |
---|
[4968] | 873 | if ( vio == NULL ) { |
---|
| 874 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 875 | return -1; |
---|
[4968] | 876 | } |
---|
[886] | 877 | |
---|
[4968] | 878 | if ( vio->inst == NULL ) { |
---|
| 879 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 880 | return -1; |
---|
[4968] | 881 | } |
---|
[886] | 882 | |
---|
[4873] | 883 | roar_err_clear_all(); |
---|
[886] | 884 | |
---|
| 885 | while ( (r = roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 886 | len += r; |
---|
| 887 | buf += r; |
---|
| 888 | count -= r; |
---|
| 889 | if ( count == 0 ) |
---|
| 890 | break; |
---|
| 891 | } |
---|
| 892 | |
---|
| 893 | if ( len == 0 && r == -1 ) |
---|
| 894 | return -1; |
---|
| 895 | |
---|
| 896 | return len; |
---|
| 897 | } |
---|
| 898 | |
---|
| 899 | ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 900 | size_t len = 0; |
---|
| 901 | ssize_t r = -1; |
---|
| 902 | |
---|
[4968] | 903 | if ( vio == NULL ) { |
---|
| 904 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 905 | return -1; |
---|
[4968] | 906 | } |
---|
[886] | 907 | |
---|
[4968] | 908 | if ( vio->inst == NULL ) { |
---|
| 909 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 910 | return -1; |
---|
[4968] | 911 | } |
---|
[886] | 912 | |
---|
[4873] | 913 | roar_err_clear_all(); |
---|
[886] | 914 | |
---|
| 915 | while ( (r = roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 916 | len += r; |
---|
| 917 | buf += r; |
---|
| 918 | count -= r; |
---|
| 919 | if ( count == 0 ) |
---|
| 920 | break; |
---|
| 921 | } |
---|
| 922 | |
---|
| 923 | if ( len == 0 && r == -1 ) |
---|
| 924 | return -1; |
---|
| 925 | |
---|
| 926 | return len; |
---|
| 927 | } |
---|
| 928 | |
---|
[1247] | 929 | // TODO: we should do a some more intelgent thing here. |
---|
[886] | 930 | off_t roar_vio_re_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
| 931 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 932 | } |
---|
| 933 | |
---|
[590] | 934 | //ll |
---|