1 /* Copyright (C) 2010-2020 The RetroArch team
3 * ---------------------------------------------------------------------------------------
4 * The following license statement only applies to this file (file_stream_transforms.c).
5 * ---------------------------------------------------------------------------------------
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:
13 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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.
27 #include <streams/file_stream.h>
29 RFILE* rfopen(const char *path, const char *mode)
32 unsigned int retro_mode = RETRO_VFS_FILE_ACCESS_READ;
33 bool position_to_end = false;
35 if (strstr(mode, "r"))
37 retro_mode = RETRO_VFS_FILE_ACCESS_READ;
38 if (strstr(mode, "+"))
40 retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE |
41 RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING;
44 else if (strstr(mode, "w"))
46 retro_mode = RETRO_VFS_FILE_ACCESS_WRITE;
47 if (strstr(mode, "+"))
48 retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE;
50 else if (strstr(mode, "a"))
52 retro_mode = RETRO_VFS_FILE_ACCESS_WRITE |
53 RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING;
54 position_to_end = true;
55 if (strstr(mode, "+"))
57 retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE |
58 RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING;
62 output = filestream_open(path, retro_mode,
63 RETRO_VFS_FILE_ACCESS_HINT_NONE);
64 if (output && position_to_end)
65 filestream_seek(output, 0, RETRO_VFS_SEEK_POSITION_END);
70 int rfclose(RFILE* stream)
75 return filestream_close(stream);
78 int64_t rftell(RFILE* stream)
83 return filestream_tell(stream);
86 int64_t rfseek(RFILE* stream, int64_t offset, int origin)
88 int seek_position = -1;
96 seek_position = RETRO_VFS_SEEK_POSITION_START;
99 seek_position = RETRO_VFS_SEEK_POSITION_CURRENT;
102 seek_position = RETRO_VFS_SEEK_POSITION_END;
106 return filestream_seek(stream, offset, seek_position);
109 int64_t rfread(void* buffer,
110 size_t elem_size, size_t elem_count, RFILE* stream)
112 if (!stream || (elem_size == 0) || (elem_count == 0))
115 return (filestream_read(stream, buffer, elem_size * elem_count) / elem_size);
118 char *rfgets(char *buffer, int maxCount, RFILE* stream)
123 return filestream_gets(stream, buffer, maxCount);
126 int rfgetc(RFILE* stream)
131 return filestream_getc(stream);
134 int64_t rfwrite(void const* buffer,
135 size_t elem_size, size_t elem_count, RFILE* stream)
137 if (!stream || (elem_size == 0) || (elem_count == 0))
140 return (filestream_write(stream, buffer, elem_size * elem_count) / elem_size);
143 int rfputc(int character, RFILE * stream)
148 return filestream_putc(stream, character);
151 int64_t rfflush(RFILE * stream)
156 return filestream_flush(stream);
159 int rfprintf(RFILE * stream, const char * format, ...)
167 va_start(vl, format);
168 result = filestream_vprintf(stream, format, vl);
173 int rferror(RFILE* stream)
175 return filestream_error(stream);
178 int rfeof(RFILE* stream)
180 return filestream_eof(stream);
183 int rfscanf(RFILE * stream, const char * format, ...)
191 va_start(vl, format);
192 result = filestream_vscanf(stream, format, &vl);