[590] | 1 | //vio.c: |
---|
| 2 | |
---|
[690] | 3 | /* |
---|
[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
---|
[690] | 5 | * |
---|
| 6 | * This file is part of libroar a part of RoarAudio, |
---|
| 7 | * a cross-platform sound system for both, home and professional use. |
---|
| 8 | * See README for details. |
---|
| 9 | * |
---|
| 10 | * This file is free software; you can redistribute it and/or modify |
---|
| 11 | * it under the terms of the GNU General Public License version 3 |
---|
| 12 | * as published by the Free Software Foundation. |
---|
| 13 | * |
---|
| 14 | * libroar is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this software; see the file COPYING. If not, write to |
---|
[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
| 22 | * Boston, MA 02110-1301, USA. |
---|
[690] | 23 | * |
---|
| 24 | * NOTE for everyone want's to change something and send patches: |
---|
| 25 | * read README and HACKING! There a addition information on |
---|
| 26 | * the license of this document you need to read before you send |
---|
| 27 | * any patches. |
---|
| 28 | * |
---|
| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
| 30 | * or libpulse*: |
---|
| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
| 32 | * and are therefore GPL. Because of this it may be illigal to use |
---|
| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
| 34 | */ |
---|
| 35 | |
---|
[5109] | 36 | #define _LIBROAR_NOATTR_TO_STATIC /* ignore warnings for TO_STATIC functions */ |
---|
[590] | 37 | #include "libroar.h" |
---|
[3895] | 38 | |
---|
| 39 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 40 | #include <sys/ioctl.h> |
---|
[3895] | 41 | #endif |
---|
[590] | 42 | |
---|
[1474] | 43 | #ifdef ROAR_HAVE_IO_POSIX |
---|
| 44 | #define _CAN_OPERATE |
---|
| 45 | #endif |
---|
| 46 | |
---|
[591] | 47 | int roar_vio_init_calls (struct roar_vio_calls * calls) { |
---|
[4963] | 48 | roar_debug_warn_obsolete("roar_vio_init_calls", "roar_vio_clear_calls", NULL); |
---|
| 49 | |
---|
[1474] | 50 | #ifdef _CAN_OPERATE |
---|
[4873] | 51 | if ( calls == NULL ) { |
---|
| 52 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[591] | 53 | return -1; |
---|
[4873] | 54 | } |
---|
[591] | 55 | |
---|
| 56 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
| 57 | |
---|
[881] | 58 | /* |
---|
[597] | 59 | calls->read = (ssize_t (*)(int fd, void *buf, size_t count, void * inst))read; |
---|
| 60 | calls->write = (ssize_t (*)(int fd, void *buf, size_t count, void * inst))write; |
---|
| 61 | calls->lseek = (off_t (*)(int fildes, off_t offset, int whence, void * inst))lseek; |
---|
[881] | 62 | */ |
---|
| 63 | |
---|
[1118] | 64 | calls->read = roar_vio_basic_read; |
---|
| 65 | calls->write = roar_vio_basic_write; |
---|
| 66 | calls->lseek = roar_vio_basic_lseek; |
---|
| 67 | calls->nonblock = roar_vio_basic_nonblock; |
---|
| 68 | calls->sync = roar_vio_basic_sync; |
---|
[1505] | 69 | calls->ctl = roar_vio_basic_ctl; |
---|
[1241] | 70 | calls->close = roar_vio_basic_close; |
---|
[881] | 71 | |
---|
| 72 | return 0; |
---|
[1474] | 73 | #else |
---|
| 74 | return -1; |
---|
| 75 | #endif |
---|
[881] | 76 | } |
---|
| 77 | |
---|
[4963] | 78 | int roar_vio_clear_calls (struct roar_vio_calls * calls) { |
---|
| 79 | if ( calls == NULL ) { |
---|
| 80 | roar_err_set(ROAR_ERROR_FAULT); |
---|
| 81 | return -1; |
---|
| 82 | } |
---|
| 83 | |
---|
| 84 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
| 85 | |
---|
| 86 | return 0; |
---|
| 87 | } |
---|
| 88 | |
---|
[881] | 89 | int roar_vio_set_inst (struct roar_vio_calls * vio, void * inst) { |
---|
[4873] | 90 | if ( vio == NULL ) { |
---|
| 91 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[881] | 92 | return -1; |
---|
[4873] | 93 | } |
---|
[881] | 94 | |
---|
| 95 | vio->inst = inst; |
---|
[591] | 96 | |
---|
| 97 | return 0; |
---|
| 98 | } |
---|
| 99 | |
---|
[881] | 100 | int roar_vio_set_fh (struct roar_vio_calls * vio, int fh) { |
---|
[989] | 101 | return roar_vio_set_inst(vio, (void*)(ROAR_INSTINT)(fh + 1)); |
---|
[881] | 102 | } |
---|
| 103 | |
---|
| 104 | int roar_vio_get_fh (struct roar_vio_calls * vio) { |
---|
[4873] | 105 | if ( vio == NULL ) { |
---|
| 106 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[881] | 107 | return -1; |
---|
[4873] | 108 | } |
---|
[881] | 109 | |
---|
[989] | 110 | return ((int)(ROAR_INSTINT)vio->inst) - 1; |
---|
[881] | 111 | } |
---|
| 112 | |
---|
| 113 | |
---|
| 114 | ssize_t roar_vio_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[4873] | 115 | ssize_t ret; |
---|
| 116 | |
---|
[1319] | 117 | ROAR_DBG("roar_vio_read(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
---|
| 118 | |
---|
[4873] | 119 | if ( vio == NULL ) { |
---|
| 120 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[881] | 121 | return -1; |
---|
[4873] | 122 | } |
---|
[881] | 123 | |
---|
[4873] | 124 | if ( vio->read == NULL ) { |
---|
| 125 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[881] | 126 | return -1; |
---|
[4873] | 127 | } |
---|
[881] | 128 | |
---|
[4873] | 129 | roar_err_clear_all(); |
---|
| 130 | ret = vio->read(vio, buf, count); |
---|
| 131 | roar_err_update(); |
---|
| 132 | |
---|
| 133 | return ret; |
---|
[881] | 134 | } |
---|
| 135 | |
---|
| 136 | ssize_t roar_vio_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[4873] | 137 | ssize_t ret; |
---|
| 138 | |
---|
[3276] | 139 | ROAR_DBG("roar_vio_write(vio=%p, buf=%p, count=%u) = ?", vio, buf, (unsigned int)count); |
---|
| 140 | |
---|
[4873] | 141 | if ( vio == NULL ) { |
---|
| 142 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[881] | 143 | return -1; |
---|
[4873] | 144 | } |
---|
[881] | 145 | |
---|
[4873] | 146 | if ( vio->write == NULL ) { |
---|
| 147 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[881] | 148 | return -1; |
---|
[4873] | 149 | } |
---|
[881] | 150 | |
---|
[4873] | 151 | roar_err_clear_all(); |
---|
| 152 | ret = vio->write(vio, buf, count); |
---|
| 153 | roar_err_update(); |
---|
| 154 | |
---|
| 155 | return ret; |
---|
[881] | 156 | } |
---|
| 157 | |
---|
| 158 | off_t roar_vio_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
[4873] | 159 | off_t ret; |
---|
| 160 | |
---|
[3276] | 161 | ROAR_DBG("roar_vio_lseek(vio=%p, offset=%u, whence=%i) = ?", vio, (unsigned int)offset, whence); |
---|
| 162 | |
---|
[4873] | 163 | if ( vio == NULL ) { |
---|
| 164 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[881] | 165 | return -1; |
---|
[4873] | 166 | } |
---|
[881] | 167 | |
---|
[4873] | 168 | if ( vio->lseek == NULL ) { |
---|
| 169 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[881] | 170 | return -1; |
---|
[4873] | 171 | } |
---|
[881] | 172 | |
---|
[4873] | 173 | roar_err_clear_all(); |
---|
| 174 | ret = vio->lseek(vio, offset, whence); |
---|
| 175 | roar_err_update(); |
---|
| 176 | |
---|
| 177 | return ret; |
---|
[881] | 178 | } |
---|
| 179 | |
---|
[1118] | 180 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state) { |
---|
[4873] | 181 | int ret; |
---|
| 182 | |
---|
[3276] | 183 | ROAR_DBG("roar_vio_nonblock(vio=%p, state=%i) = ?", vio, state); |
---|
| 184 | |
---|
[4873] | 185 | if ( vio == NULL ) { |
---|
| 186 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1118] | 187 | return -1; |
---|
[4873] | 188 | } |
---|
[1118] | 189 | |
---|
[4873] | 190 | if ( vio->nonblock == NULL ) { |
---|
| 191 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1118] | 192 | return -1; |
---|
[4873] | 193 | } |
---|
[1118] | 194 | |
---|
[4873] | 195 | roar_err_clear_all(); |
---|
| 196 | ret = vio->nonblock(vio, state); |
---|
| 197 | roar_err_update(); |
---|
| 198 | |
---|
| 199 | return ret; |
---|
[1118] | 200 | } |
---|
| 201 | |
---|
| 202 | int roar_vio_sync (struct roar_vio_calls * vio) { |
---|
[4873] | 203 | int ret; |
---|
| 204 | |
---|
[3276] | 205 | ROAR_DBG("roar_vio_sync(vio=%p) = ?", vio); |
---|
| 206 | |
---|
[4873] | 207 | if ( vio == NULL ) { |
---|
| 208 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1118] | 209 | return -1; |
---|
[4873] | 210 | } |
---|
[1118] | 211 | |
---|
[4873] | 212 | if ( vio->sync == NULL ) { |
---|
| 213 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1118] | 214 | return -1; |
---|
[4873] | 215 | } |
---|
[1118] | 216 | |
---|
[4873] | 217 | roar_err_clear_all(); |
---|
| 218 | ret = vio->sync(vio); |
---|
| 219 | roar_err_update(); |
---|
| 220 | |
---|
| 221 | return ret; |
---|
[1118] | 222 | } |
---|
| 223 | |
---|
[1140] | 224 | int roar_vio_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
---|
[4873] | 225 | int ret; |
---|
| 226 | |
---|
[3276] | 227 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=%i, data=%p) = ?", vio, cmd, data); |
---|
| 228 | |
---|
[4873] | 229 | if ( vio == NULL ) { |
---|
| 230 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1140] | 231 | return -1; |
---|
[4873] | 232 | } |
---|
[1140] | 233 | |
---|
[1615] | 234 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p): vio->ctl=%p", vio, cmd, data, vio->ctl); |
---|
| 235 | |
---|
[4831] | 236 | switch (cmd) { |
---|
| 237 | case ROAR_VIO_CTL_CONFLICTING_ID_0: |
---|
| 238 | case ROAR_VIO_CTL_CONFLICTING_ID_1: |
---|
| 239 | 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); |
---|
| 240 | 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); |
---|
| 241 | ROAR_DBG("roar_vio_ctl(vio=%p, cmd=0x%.8x, data=%p) = -1", vio, cmd, data); |
---|
[4873] | 242 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
[4831] | 243 | return -1; |
---|
| 244 | break; |
---|
| 245 | } |
---|
| 246 | |
---|
[4873] | 247 | if ( vio->ctl == NULL ) { |
---|
| 248 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1140] | 249 | return -1; |
---|
[4873] | 250 | } |
---|
[1140] | 251 | |
---|
[4873] | 252 | roar_err_clear_all(); |
---|
| 253 | ret = vio->ctl(vio, cmd, data); |
---|
| 254 | roar_err_update(); |
---|
| 255 | |
---|
| 256 | return ret; |
---|
[1140] | 257 | } |
---|
| 258 | |
---|
[1241] | 259 | int roar_vio_close (struct roar_vio_calls * vio) { |
---|
[4873] | 260 | int ret; |
---|
| 261 | |
---|
[3276] | 262 | ROAR_DBG("roar_vio_close(vio=%p) = ?", vio); |
---|
| 263 | |
---|
[4873] | 264 | if ( vio == NULL ) { |
---|
| 265 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1241] | 266 | return -1; |
---|
[4873] | 267 | } |
---|
[1241] | 268 | |
---|
[4873] | 269 | if ( vio->close == NULL ) { |
---|
| 270 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1241] | 271 | return -1; |
---|
[4873] | 272 | } |
---|
[1241] | 273 | |
---|
[4873] | 274 | roar_err_clear_all(); |
---|
| 275 | ret = vio->close(vio); |
---|
| 276 | roar_err_update(); |
---|
| 277 | |
---|
| 278 | return ret; |
---|
[1241] | 279 | } |
---|
| 280 | |
---|
[3769] | 281 | // specal commands: |
---|
| 282 | int roar_vio_accept (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
[4873] | 283 | if (dst == NULL || calls == NULL) { |
---|
| 284 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3769] | 285 | return -1; |
---|
[4873] | 286 | } |
---|
[3769] | 287 | |
---|
| 288 | return roar_vio_ctl(dst, ROAR_VIO_CTL_ACCEPT, calls); |
---|
| 289 | } |
---|
| 290 | |
---|
[3796] | 291 | int roar_vio_shutdown(struct roar_vio_calls * vio, int how) { |
---|
[4968] | 292 | if (vio == NULL) { |
---|
| 293 | roar_err_set(ROAR_ERROR_FAULT); |
---|
| 294 | return -1; |
---|
| 295 | } |
---|
| 296 | |
---|
| 297 | if ( ( (how | ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) - |
---|
| 298 | (ROAR_VIO_SHUTDOWN_READ|ROAR_VIO_SHUTDOWN_WRITE|ROAR_VIO_SHUTDOWN_LISTEN) ) != 0 ) { |
---|
| 299 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 300 | return -1; |
---|
| 301 | } |
---|
| 302 | |
---|
[3796] | 303 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SHUTDOWN, &how); |
---|
| 304 | } |
---|
| 305 | |
---|
[1252] | 306 | // converters: |
---|
[5242] | 307 | int roar_vio_open_file (struct roar_vio_calls * calls, const char * filename, int flags, mode_t mode) { |
---|
[1474] | 308 | #ifdef _CAN_OPERATE |
---|
[1252] | 309 | int fh; |
---|
| 310 | |
---|
[4873] | 311 | roar_debug_warn_obsolete("roar_vio_open_file", "roar_vio_open_dstr", NULL); |
---|
| 312 | |
---|
| 313 | if ( calls == NULL || filename == NULL ) { |
---|
| 314 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1252] | 315 | return -1; |
---|
[4873] | 316 | } |
---|
[1252] | 317 | |
---|
[1762] | 318 | #ifdef ROAR_TARGET_WIN32 |
---|
| 319 | flags |= O_BINARY; |
---|
| 320 | #endif |
---|
| 321 | |
---|
[4873] | 322 | roar_err_clear_all(); |
---|
| 323 | if ( (fh = open(filename, flags, mode)) == -1 ) { |
---|
[4876] | 324 | ROAR_DBG("roar_vio_open_file(*): errno=%s", strerror(errno)); |
---|
[4873] | 325 | roar_err_update(); |
---|
[4876] | 326 | ROAR_DBG("roar_vio_open_file(*): errno=%s", strerror(errno)); |
---|
[1252] | 327 | return -1; |
---|
[4873] | 328 | } |
---|
[1252] | 329 | |
---|
| 330 | if ( roar_vio_open_fh(calls, fh) == -1 ) { |
---|
| 331 | close(fh); |
---|
[4873] | 332 | roar_err_update(); |
---|
[1252] | 333 | return -1; |
---|
| 334 | } |
---|
| 335 | |
---|
[4873] | 336 | roar_err_update(); |
---|
[1252] | 337 | return 0; |
---|
[1474] | 338 | #else |
---|
| 339 | return -1; |
---|
| 340 | #endif |
---|
[1252] | 341 | } |
---|
| 342 | |
---|
| 343 | int roar_vio_open_fh (struct roar_vio_calls * calls, int fh) { |
---|
[4968] | 344 | if ( calls == NULL ) { |
---|
| 345 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1252] | 346 | return -1; |
---|
[4968] | 347 | } |
---|
[1252] | 348 | |
---|
[4963] | 349 | roar_libroar_nowarn(); |
---|
| 350 | if ( roar_vio_init_calls(calls) == -1 ) { |
---|
| 351 | roar_libroar_warn(); |
---|
[1252] | 352 | return -1; |
---|
[4963] | 353 | } |
---|
| 354 | roar_libroar_warn(); |
---|
[1252] | 355 | |
---|
| 356 | return roar_vio_set_fh(calls, fh); |
---|
| 357 | } |
---|
| 358 | |
---|
[1290] | 359 | int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh) { |
---|
[4968] | 360 | if ( calls == NULL ) { |
---|
| 361 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1290] | 362 | return -1; |
---|
[4968] | 363 | } |
---|
[1290] | 364 | |
---|
[1666] | 365 | if ( roar_vio_open_fh(calls, fh) == -1 ) |
---|
| 366 | return -1; |
---|
| 367 | |
---|
[1760] | 368 | #ifdef ROAR_TARGET_WIN32 |
---|
| 369 | calls->read = roar_vio_winsock_read; |
---|
| 370 | calls->write = roar_vio_winsock_write; |
---|
| 371 | calls->nonblock = roar_vio_winsock_nonblock; |
---|
| 372 | calls->sync = roar_vio_winsock_sync; |
---|
| 373 | calls->ctl = roar_vio_winsock_ctl; |
---|
| 374 | calls->close = roar_vio_winsock_close; |
---|
| 375 | #else |
---|
| 376 | calls->sync = roar_vio_null_sync; |
---|
| 377 | #endif |
---|
[1666] | 378 | |
---|
| 379 | return 0; |
---|
[1290] | 380 | } |
---|
| 381 | |
---|
[1291] | 382 | int roar_vio_open_socket (struct roar_vio_calls * calls, char * host, int port) { |
---|
| 383 | int fh; |
---|
| 384 | |
---|
[4968] | 385 | if ( calls == NULL ) { |
---|
| 386 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1291] | 387 | return -1; |
---|
[4968] | 388 | } |
---|
[1291] | 389 | |
---|
| 390 | if ( (fh = roar_socket_connect(host, port)) == -1 ) |
---|
| 391 | return -1; |
---|
| 392 | |
---|
| 393 | return roar_vio_open_fh_socket(calls, fh); |
---|
| 394 | } |
---|
| 395 | |
---|
| 396 | int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, char * host, int port) { |
---|
| 397 | int fh; |
---|
| 398 | |
---|
[4968] | 399 | if ( calls == NULL ) { |
---|
| 400 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1291] | 401 | return -1; |
---|
[4968] | 402 | } |
---|
[1291] | 403 | |
---|
| 404 | if ( (fh = roar_socket_listen(type, host, port)) == -1 ) |
---|
| 405 | return -1; |
---|
| 406 | |
---|
| 407 | return roar_vio_open_fh_socket(calls, fh); |
---|
| 408 | } |
---|
| 409 | |
---|
[2841] | 410 | |
---|
[886] | 411 | // VIOs: |
---|
[881] | 412 | |
---|
[886] | 413 | // basic |
---|
[881] | 414 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[1474] | 415 | #ifdef _CAN_OPERATE |
---|
[881] | 416 | return read(roar_vio_get_fh(vio), buf, count); |
---|
[1474] | 417 | #else |
---|
[4968] | 418 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 419 | return -1; |
---|
| 420 | #endif |
---|
[881] | 421 | } |
---|
| 422 | |
---|
| 423 | ssize_t roar_vio_basic_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[1474] | 424 | #ifdef _CAN_OPERATE |
---|
[881] | 425 | return write(roar_vio_get_fh(vio), buf, count); |
---|
[1474] | 426 | #else |
---|
[4968] | 427 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 428 | return -1; |
---|
| 429 | #endif |
---|
[881] | 430 | } |
---|
| 431 | |
---|
| 432 | off_t roar_vio_basic_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
[1474] | 433 | #ifdef _CAN_OPERATE |
---|
[881] | 434 | return lseek(roar_vio_get_fh(vio), offset, whence); |
---|
[1474] | 435 | #else |
---|
[4968] | 436 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 437 | return -1; |
---|
| 438 | #endif |
---|
[881] | 439 | } |
---|
| 440 | |
---|
[1118] | 441 | int roar_vio_basic_nonblock(struct roar_vio_calls * vio, int state) { |
---|
| 442 | if ( roar_socket_nonblock(roar_vio_get_fh(vio), state) == -1 ) |
---|
| 443 | return -1; |
---|
| 444 | |
---|
| 445 | if ( state == ROAR_SOCKET_NONBLOCK ) |
---|
| 446 | return 0; |
---|
| 447 | |
---|
[1125] | 448 | roar_vio_sync(vio); |
---|
| 449 | |
---|
| 450 | return 0; |
---|
[1118] | 451 | } |
---|
| 452 | |
---|
| 453 | int roar_vio_basic_sync (struct roar_vio_calls * vio) { |
---|
[1397] | 454 | #ifdef ROAR_FDATASYNC |
---|
[1171] | 455 | return ROAR_FDATASYNC(roar_vio_get_fh(vio)); |
---|
[1397] | 456 | #else |
---|
| 457 | return 0; |
---|
| 458 | #endif |
---|
[1118] | 459 | } |
---|
| 460 | |
---|
[1505] | 461 | int roar_vio_basic_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
---|
[3895] | 462 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 463 | struct roar_vio_sysio_ioctl * sysioctl; |
---|
[3895] | 464 | #endif |
---|
[4718] | 465 | #if defined(ROAR_HAVE_GETSOCKOPT) || defined(ROAR_HAVE_SETSOCKOPT) |
---|
| 466 | struct roar_vio_sysio_sockopt * syssockopt; |
---|
| 467 | #endif |
---|
[3796] | 468 | int tmp; |
---|
| 469 | int s_r = 0, s_w = 0; |
---|
[4705] | 470 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 471 | union { |
---|
| 472 | struct sockaddr sa; |
---|
| 473 | #if defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6) |
---|
| 474 | struct sockaddr_in in; |
---|
| 475 | #endif |
---|
| 476 | #ifdef ROAR_HAVE_UNIX |
---|
| 477 | struct sockaddr_un un; |
---|
| 478 | #endif |
---|
| 479 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 480 | struct sockaddr_dn dn; |
---|
| 481 | #endif |
---|
| 482 | #ifdef ROAR_HAVE_IPV6 |
---|
| 483 | struct sockaddr_in6 in6; |
---|
| 484 | #endif |
---|
| 485 | #ifdef ROAR_HAVE_IPX |
---|
| 486 | struct sockaddr_ipx ipx; |
---|
| 487 | #endif |
---|
| 488 | } sockaddr; |
---|
| 489 | socklen_t socklen; |
---|
| 490 | struct roar_sockname * rsockname; |
---|
| 491 | #endif |
---|
[1505] | 492 | |
---|
[4968] | 493 | if ( vio == NULL ) { |
---|
| 494 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 495 | return -1; |
---|
[4968] | 496 | } |
---|
| 497 | |
---|
| 498 | if ( cmd == -1 ) { |
---|
| 499 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 500 | return -1; |
---|
| 501 | } |
---|
[1505] | 502 | |
---|
[1615] | 503 | ROAR_DBG("roar_vio_basic_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 504 | |
---|
[1505] | 505 | switch (cmd) { |
---|
[3795] | 506 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 507 | if ( data == NULL ) { |
---|
| 508 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 509 | return -1; |
---|
[4968] | 510 | } |
---|
[3795] | 511 | |
---|
| 512 | *(char**)data = "basic"; |
---|
| 513 | return 0; |
---|
| 514 | break; |
---|
[1505] | 515 | case ROAR_VIO_CTL_GET_FH: |
---|
| 516 | case ROAR_VIO_CTL_GET_READ_FH: |
---|
| 517 | case ROAR_VIO_CTL_GET_WRITE_FH: |
---|
[3436] | 518 | case ROAR_VIO_CTL_GET_SELECT_FH: |
---|
| 519 | case ROAR_VIO_CTL_GET_SELECT_READ_FH: |
---|
| 520 | case ROAR_VIO_CTL_GET_SELECT_WRITE_FH: |
---|
[1615] | 521 | 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] | 522 | *(int*)data = roar_vio_get_fh(vio); |
---|
| 523 | return 0; |
---|
| 524 | break; |
---|
[2054] | 525 | case ROAR_VIO_CTL_SET_NOSYNC: |
---|
| 526 | vio->sync = NULL; |
---|
| 527 | return 0; |
---|
| 528 | break; |
---|
[3769] | 529 | case ROAR_VIO_CTL_ACCEPT: |
---|
[3898] | 530 | tmp = ROAR_ACCEPT(roar_vio_get_fh(vio), NULL, 0); |
---|
[3796] | 531 | if ( tmp == -1 ) |
---|
[3769] | 532 | return -1; |
---|
| 533 | |
---|
| 534 | // most proably a socket. |
---|
[3796] | 535 | if ( roar_vio_open_fh_socket(data, tmp) == -1 ) { |
---|
[3769] | 536 | #ifdef ROAR_TARGET_WIN32 |
---|
[3796] | 537 | closesocket(tmp); |
---|
[3769] | 538 | #else |
---|
[3796] | 539 | close(tmp); |
---|
[3769] | 540 | #endif |
---|
| 541 | return -1; |
---|
| 542 | } |
---|
| 543 | |
---|
| 544 | return 0; |
---|
| 545 | break; |
---|
[3796] | 546 | case ROAR_VIO_CTL_SHUTDOWN: |
---|
| 547 | tmp = *(int*)data; |
---|
| 548 | |
---|
| 549 | if ( tmp & ROAR_VIO_SHUTDOWN_READ ) { |
---|
| 550 | s_r = 1; |
---|
| 551 | tmp -= ROAR_VIO_SHUTDOWN_READ; |
---|
| 552 | } |
---|
| 553 | |
---|
| 554 | if ( tmp & ROAR_VIO_SHUTDOWN_WRITE ) { |
---|
| 555 | s_w = 1; |
---|
| 556 | tmp -= ROAR_VIO_SHUTDOWN_WRITE; |
---|
| 557 | } |
---|
| 558 | |
---|
[4968] | 559 | if ( tmp != 0 ) { /* we currently only support R and W shutdowns */ |
---|
| 560 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[3796] | 561 | return -1; |
---|
[4968] | 562 | } |
---|
[3796] | 563 | |
---|
| 564 | if ( s_r && s_w ) { |
---|
| 565 | tmp = SHUT_RDWR; |
---|
| 566 | } else if ( s_r ) { |
---|
| 567 | tmp = SHUT_RD; |
---|
| 568 | } else if ( s_w ) { |
---|
| 569 | tmp = SHUT_WR; |
---|
| 570 | } else { |
---|
| 571 | return 0; // nothing to do. |
---|
| 572 | } |
---|
| 573 | |
---|
[3858] | 574 | return ROAR_SHUTDOWN(roar_vio_get_fh(vio), tmp); |
---|
[3796] | 575 | break; |
---|
[4705] | 576 | #if defined(ROAR_HAVE_GETSOCKNAME) || defined(ROAR_HAVE_GETPEERNAME) |
---|
| 577 | case ROAR_VIO_CTL_GET_SOCKNAME: |
---|
| 578 | case ROAR_VIO_CTL_GET_PEERNAME: |
---|
[4968] | 579 | if ( data == NULL ) { |
---|
| 580 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[4705] | 581 | return -1; |
---|
[4968] | 582 | } |
---|
[4705] | 583 | |
---|
| 584 | rsockname = data; |
---|
| 585 | |
---|
| 586 | socklen = sizeof(sockaddr); |
---|
| 587 | |
---|
| 588 | if ( cmd == ROAR_VIO_CTL_GET_SOCKNAME ) { |
---|
| 589 | #ifdef ROAR_HAVE_GETSOCKNAME |
---|
| 590 | tmp = getsockname(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 591 | #else |
---|
[4968] | 592 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 593 | return -1; |
---|
| 594 | #endif |
---|
| 595 | } else if ( cmd == ROAR_VIO_CTL_GET_PEERNAME ) { |
---|
| 596 | #ifdef ROAR_HAVE_GETPEERNAME |
---|
| 597 | tmp = getpeername(roar_vio_get_fh(vio), &(sockaddr.sa), &socklen); |
---|
| 598 | #else |
---|
[4968] | 599 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[4705] | 600 | return -1; |
---|
| 601 | #endif |
---|
| 602 | } else { |
---|
[4968] | 603 | // memory corruption: |
---|
[4973] | 604 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
---|
[4968] | 605 | roar_err_set(ROAR_ERROR_CHERNOBYL); |
---|
[4705] | 606 | return -1; |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | if ( tmp == -1 ) |
---|
| 610 | return -1; |
---|
| 611 | |
---|
| 612 | memset(rsockname, 0, sizeof(struct roar_sockname)); |
---|
| 613 | |
---|
| 614 | switch (sockaddr.sa.sa_family) { |
---|
[4730] | 615 | #if defined(AF_UNIX) && defined(ROAR_HAVE_UNIX) |
---|
[4705] | 616 | case AF_UNIX: |
---|
| 617 | rsockname->type = ROAR_SOCKET_TYPE_UNIX; |
---|
| 618 | if ( sockaddr.un.sun_path[0] == 0 ) { |
---|
| 619 | rsockname->addr = roar_mm_malloc(sizeof(sockaddr.un.sun_path)); |
---|
| 620 | if ( rsockname->addr == NULL ) |
---|
| 621 | return -1; |
---|
| 622 | memcpy(rsockname->addr, sockaddr.un.sun_path, sizeof(sockaddr.un.sun_path)); |
---|
| 623 | } else { |
---|
| 624 | rsockname->addr = roar_mm_strdup(sockaddr.un.sun_path); |
---|
| 625 | } |
---|
| 626 | break; |
---|
| 627 | #endif |
---|
[4730] | 628 | #if defined(AF_DECnet) && defined(ROAR_HAVE_LIBDNET) |
---|
[4705] | 629 | case AF_DECnet: |
---|
| 630 | rsockname->type = ROAR_SOCKET_TYPE_DECNET; |
---|
| 631 | |
---|
[4968] | 632 | if ( sockaddr.dn.sdn_add.a_len != 2 ) { |
---|
| 633 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 634 | return -1; |
---|
[4968] | 635 | } |
---|
[4705] | 636 | |
---|
| 637 | rsockname->addr = roar_mm_malloc(28); |
---|
| 638 | if ( rsockname->addr == NULL ) |
---|
| 639 | return -1; |
---|
| 640 | |
---|
| 641 | snprintf(rsockname->addr, 28, "%i.%i::", |
---|
| 642 | sockaddr.dn.sdn_add.a_addr[1] >> 2, |
---|
| 643 | sockaddr.dn.sdn_add.a_addr[0] + ((sockaddr.dn.sdn_add.a_addr[1] & 0x03) << 8)); |
---|
| 644 | |
---|
| 645 | rsockname->port = sockaddr.dn.sdn_objnum; |
---|
| 646 | if ( sockaddr.dn.sdn_objnum == 0 ) { |
---|
| 647 | tmp = strlen(rsockname->addr); |
---|
| 648 | memcpy(rsockname->addr + tmp, sockaddr.dn.sdn_objname, sockaddr.dn.sdn_objnamel); |
---|
| 649 | rsockname->addr[tmp + sockaddr.dn.sdn_objnamel] = 0; |
---|
| 650 | } |
---|
| 651 | break; |
---|
| 652 | #endif |
---|
[4730] | 653 | #if defined(AF_INET) && (defined(ROAR_HAVE_IPV4) || defined(ROAR_HAVE_IPV6)) |
---|
[4705] | 654 | case AF_INET: |
---|
| 655 | rsockname->type = ROAR_SOCKET_TYPE_INET; |
---|
| 656 | rsockname->port = ntohs(sockaddr.in.sin_port); |
---|
| 657 | rsockname->addr = roar_mm_strdup(inet_ntoa(sockaddr.in.sin_addr)); |
---|
| 658 | break; |
---|
| 659 | #endif |
---|
[4730] | 660 | #if defined(AF_INET6) && defined(ROAR_HAVE_IPV6) |
---|
[4705] | 661 | case AF_INET6: |
---|
| 662 | rsockname->type = ROAR_SOCKET_TYPE_INET6; |
---|
| 663 | rsockname->port = ntohs(sockaddr.in6.sin6_port); |
---|
| 664 | break; |
---|
| 665 | #endif |
---|
| 666 | default: |
---|
[4968] | 667 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
[4705] | 668 | return -1; |
---|
| 669 | } |
---|
| 670 | return 0; |
---|
| 671 | #endif |
---|
| 672 | break; |
---|
[3895] | 673 | #ifdef ROAR_HAVE_H_SYS_IOCTL |
---|
[3852] | 674 | case ROAR_VIO_CTL_SYSIO_IOCTL: |
---|
| 675 | sysioctl = data; |
---|
| 676 | return ioctl(roar_vio_get_fh(vio), sysioctl->cmd, sysioctl->argp); |
---|
| 677 | break; |
---|
[3895] | 678 | #endif |
---|
[4718] | 679 | #ifdef ROAR_HAVE_GETSOCKOPT |
---|
| 680 | case ROAR_VIO_CTL_GET_SYSIO_SOCKOPT: |
---|
| 681 | syssockopt = data; |
---|
| 682 | return getsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, &(syssockopt->optlen)); |
---|
| 683 | break; |
---|
| 684 | #endif |
---|
| 685 | #ifdef ROAR_HAVE_SETSOCKOPT |
---|
| 686 | case ROAR_VIO_CTL_SET_SYSIO_SOCKOPT: |
---|
| 687 | syssockopt = data; |
---|
| 688 | return setsockopt(roar_vio_get_fh(vio), syssockopt->level, syssockopt->optname, syssockopt->optval, syssockopt->optlen); |
---|
| 689 | break; |
---|
| 690 | #endif |
---|
[1505] | 691 | } |
---|
| 692 | |
---|
[4873] | 693 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
[1505] | 694 | return -1; |
---|
| 695 | } |
---|
| 696 | |
---|
[1241] | 697 | int roar_vio_basic_close (struct roar_vio_calls * vio) { |
---|
[1474] | 698 | #ifdef _CAN_OPERATE |
---|
[1336] | 699 | if ( roar_vio_get_fh(vio) != -1 ) |
---|
| 700 | return close(roar_vio_get_fh(vio)); |
---|
| 701 | |
---|
| 702 | return 0; |
---|
[1474] | 703 | #else |
---|
[4968] | 704 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
[1474] | 705 | return -1; |
---|
| 706 | #endif |
---|
[1241] | 707 | } |
---|
| 708 | |
---|
[943] | 709 | // null |
---|
| 710 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
[4968] | 711 | if ( vio == NULL || buf == NULL ) { |
---|
| 712 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[943] | 713 | return -1; |
---|
[4968] | 714 | } |
---|
[943] | 715 | |
---|
| 716 | return 0; |
---|
| 717 | } |
---|
| 718 | |
---|
[1665] | 719 | int roar_vio_null_sync (struct roar_vio_calls * vio) { |
---|
| 720 | return 0; |
---|
| 721 | } |
---|
| 722 | |
---|
[886] | 723 | // pass |
---|
[1247] | 724 | int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
[4968] | 725 | if ( calls == NULL || dst == NULL ) { |
---|
| 726 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1247] | 727 | return -1; |
---|
[4968] | 728 | } |
---|
[1247] | 729 | |
---|
| 730 | memset((void*)calls, 0, sizeof(struct roar_vio_calls)); |
---|
| 731 | |
---|
| 732 | calls->read = roar_vio_pass_read; |
---|
| 733 | calls->write = roar_vio_pass_write; |
---|
| 734 | calls->lseek = roar_vio_pass_lseek; |
---|
| 735 | calls->nonblock = roar_vio_pass_nonblock; |
---|
| 736 | calls->sync = roar_vio_pass_sync; |
---|
[1615] | 737 | calls->ctl = roar_vio_pass_ctl; |
---|
[1247] | 738 | calls->close = roar_vio_pass_close; |
---|
| 739 | |
---|
| 740 | calls->inst = dst; |
---|
| 741 | |
---|
| 742 | return 0; |
---|
| 743 | } |
---|
| 744 | |
---|
[886] | 745 | ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 746 | return roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 747 | } |
---|
| 748 | |
---|
| 749 | ssize_t roar_vio_pass_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 750 | return roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count); |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
| 754 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 755 | } |
---|
| 756 | |
---|
[1241] | 757 | int roar_vio_pass_nonblock(struct roar_vio_calls * vio, int state) { |
---|
| 758 | return roar_vio_nonblock((struct roar_vio_calls *) vio->inst, state); |
---|
| 759 | } |
---|
| 760 | |
---|
| 761 | int roar_vio_pass_sync (struct roar_vio_calls * vio) { |
---|
| 762 | return roar_vio_sync((struct roar_vio_calls *) vio->inst); |
---|
| 763 | } |
---|
| 764 | |
---|
| 765 | int roar_vio_pass_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
---|
[4968] | 766 | if (vio == NULL) { |
---|
| 767 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[1505] | 768 | return -1; |
---|
[4968] | 769 | } |
---|
| 770 | |
---|
| 771 | if (cmd == -1) { |
---|
| 772 | roar_err_set(ROAR_ERROR_INVAL); |
---|
| 773 | return -1; |
---|
| 774 | } |
---|
[1505] | 775 | |
---|
[1615] | 776 | ROAR_DBG("roar_vio_pass_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
---|
| 777 | |
---|
[1505] | 778 | switch (cmd) { |
---|
[3795] | 779 | case ROAR_VIO_CTL_GET_NAME: |
---|
[4968] | 780 | if ( data == NULL ) { |
---|
| 781 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[3795] | 782 | return -1; |
---|
[4968] | 783 | } |
---|
[3795] | 784 | |
---|
[4829] | 785 | // dirty trick to get real name... |
---|
| 786 | if ( vio->read == roar_vio_re_read ) { |
---|
| 787 | *(char**)data = "re"; |
---|
| 788 | } else { |
---|
| 789 | *(char**)data = "pass"; |
---|
| 790 | } |
---|
[3795] | 791 | return 0; |
---|
| 792 | break; |
---|
[1505] | 793 | case ROAR_VIO_CTL_GET_NEXT: |
---|
| 794 | *(struct roar_vio_calls **)data = vio->inst; |
---|
| 795 | return 0; |
---|
| 796 | break; |
---|
| 797 | case ROAR_VIO_CTL_SET_NEXT: |
---|
| 798 | vio->inst = *(struct roar_vio_calls **)data; |
---|
| 799 | return 0; |
---|
| 800 | break; |
---|
| 801 | } |
---|
| 802 | |
---|
[1241] | 803 | return roar_vio_ctl((struct roar_vio_calls *) vio->inst, cmd, data); |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | int roar_vio_pass_close (struct roar_vio_calls * vio) { |
---|
| 807 | return roar_vio_close((struct roar_vio_calls *) vio->inst); |
---|
| 808 | } |
---|
| 809 | |
---|
[886] | 810 | |
---|
| 811 | // re |
---|
[1247] | 812 | int roar_vio_open_re (struct roar_vio_calls * calls, struct roar_vio_calls * dst) { |
---|
| 813 | if ( roar_vio_open_pass(calls, dst) == -1 ) |
---|
| 814 | return -1; |
---|
| 815 | |
---|
| 816 | calls->read = roar_vio_re_read; |
---|
| 817 | calls->write = roar_vio_re_write; |
---|
| 818 | calls->lseek = roar_vio_re_lseek; |
---|
| 819 | |
---|
| 820 | return 0; |
---|
| 821 | } |
---|
[886] | 822 | ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 823 | size_t len = 0; |
---|
| 824 | ssize_t r = -1; |
---|
| 825 | |
---|
[4968] | 826 | if ( vio == NULL ) { |
---|
| 827 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 828 | return -1; |
---|
[4968] | 829 | } |
---|
[886] | 830 | |
---|
[4968] | 831 | if ( vio->inst == NULL ) { |
---|
| 832 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 833 | return -1; |
---|
[4968] | 834 | } |
---|
[886] | 835 | |
---|
[4873] | 836 | roar_err_clear_all(); |
---|
[886] | 837 | |
---|
| 838 | while ( (r = roar_vio_read((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 839 | len += r; |
---|
| 840 | buf += r; |
---|
| 841 | count -= r; |
---|
| 842 | if ( count == 0 ) |
---|
| 843 | break; |
---|
| 844 | } |
---|
| 845 | |
---|
| 846 | if ( len == 0 && r == -1 ) |
---|
| 847 | return -1; |
---|
| 848 | |
---|
| 849 | return len; |
---|
| 850 | } |
---|
| 851 | |
---|
| 852 | ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count) { |
---|
| 853 | size_t len = 0; |
---|
| 854 | ssize_t r = -1; |
---|
| 855 | |
---|
[4968] | 856 | if ( vio == NULL ) { |
---|
| 857 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 858 | return -1; |
---|
[4968] | 859 | } |
---|
[886] | 860 | |
---|
[4968] | 861 | if ( vio->inst == NULL ) { |
---|
| 862 | roar_err_set(ROAR_ERROR_FAULT); |
---|
[886] | 863 | return -1; |
---|
[4968] | 864 | } |
---|
[886] | 865 | |
---|
[4873] | 866 | roar_err_clear_all(); |
---|
[886] | 867 | |
---|
| 868 | while ( (r = roar_vio_write((struct roar_vio_calls *) vio->inst, buf, count)) > 0 ) { |
---|
| 869 | len += r; |
---|
| 870 | buf += r; |
---|
| 871 | count -= r; |
---|
| 872 | if ( count == 0 ) |
---|
| 873 | break; |
---|
| 874 | } |
---|
| 875 | |
---|
| 876 | if ( len == 0 && r == -1 ) |
---|
| 877 | return -1; |
---|
| 878 | |
---|
| 879 | return len; |
---|
| 880 | } |
---|
| 881 | |
---|
[1247] | 882 | // TODO: we should do a some more intelgent thing here. |
---|
[886] | 883 | off_t roar_vio_re_lseek(struct roar_vio_calls * vio, off_t offset, int whence) { |
---|
| 884 | return roar_vio_lseek((struct roar_vio_calls *) vio->inst, offset, whence); |
---|
| 885 | } |
---|
| 886 | |
---|
[590] | 887 | //ll |
---|