1 /* Copyright  (C) 2010-2018 The RetroArch team
2  *
3  * ---------------------------------------------------------------------------------------
4  * The following license statement only applies to this file (memory_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_MEMORY_STREAM_H
24 #define _LIBRETRO_SDK_FILE_MEMORY_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 memstream memstream_t;
34 
35 memstream_t *memstream_open(unsigned writing);
36 
37 void memstream_close(memstream_t *stream);
38 
39 uint64_t memstream_read(memstream_t *stream, void *data, uint64_t bytes);
40 
41 uint64_t memstream_write(memstream_t *stream, const void *data, uint64_t bytes);
42 
43 int memstream_getc(memstream_t *stream);
44 
45 void memstream_putc(memstream_t *stream, int c);
46 
47 char *memstream_gets(memstream_t *stream, char *buffer, size_t len);
48 
49 uint64_t memstream_pos(memstream_t *stream);
50 
51 void memstream_rewind(memstream_t *stream);
52 
53 int64_t memstream_seek(memstream_t *stream, int64_t offset, int whence);
54 
55 void memstream_set_buffer(uint8_t *buffer, uint64_t size);
56 
57 uint64_t memstream_get_last_size(void);
58 
59 RETRO_END_DECLS
60 
61 #endif
62