1 /* Copyright (C) 2010-2018 The RetroArch team 2 * 3 * --------------------------------------------------------------------------------------- 4 * The following license statement only applies to this file (chd_stream.h). 5 * --------------------------------------------------------------------------------------- 6 * 7 * Permission is hereby granted, free of charge, 8 * to any person obtaining a copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation the rights to 10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 11 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 16 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 19 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifndef _LIBRETRO_SDK_FILE_CHD_STREAM_H 24 #define _LIBRETRO_SDK_FILE_CHD_STREAM_H 25 26 #include <stdint.h> 27 #include <stddef.h> 28 29 #include <retro_common_api.h> 30 31 RETRO_BEGIN_DECLS 32 33 typedef struct chdstream chdstream_t; 34 35 /* First data track */ 36 #define CHDSTREAM_TRACK_FIRST_DATA (-1) 37 /* Last track */ 38 #define CHDSTREAM_TRACK_LAST (-2) 39 /* Primary (largest) data track, used for CRC identification purposes */ 40 #define CHDSTREAM_TRACK_PRIMARY (-3) 41 42 chdstream_t *chdstream_open(const char *path, int32_t track); 43 44 void chdstream_close(chdstream_t *stream); 45 46 ssize_t chdstream_read(chdstream_t *stream, void *data, size_t bytes); 47 48 int chdstream_getc(chdstream_t *stream); 49 50 char *chdstream_gets(chdstream_t *stream, char *buffer, size_t len); 51 52 uint64_t chdstream_tell(chdstream_t *stream); 53 54 void chdstream_rewind(chdstream_t *stream); 55 56 int64_t chdstream_seek(chdstream_t *stream, int64_t offset, int whence); 57 58 ssize_t chdstream_get_size(chdstream_t *stream); 59 60 RETRO_END_DECLS 61 62 #endif 63