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Update file_stream_transforms.c

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This commit is contained in:
twinaphex 2018-01-04 08:16:43 +01:00
parent ad695a8b72
commit 21bf01ca6c
1 changed files with 29 additions and 12 deletions
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37
libretro-common/streams/file_stream_transforms.c
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@ -28,16 +28,33 @@
RFILE* rfopen(const char *path, const char *mode) RFILE* rfopen(const char *path, const char *mode)
{ {
unsigned int retro_mode = 0; RFILE *output = NULL;
if (strstr(mode, "r")) unsigned int retro_mode = RETRO_VFS_FILE_ACCESS_READ;
retro_mode = RETRO_VFS_FILE_ACCESS_READ; bool position_to_end = false;
if (strstr(mode, "w")) if (strstr(mode, "w"))
retro_mode = RETRO_VFS_FILE_ACCESS_WRITE; retro_mode = RETRO_VFS_FILE_ACCESS_WRITE;
if (strstr(mode, "+"))
retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE;
return filestream_open(path, retro_mode, RETRO_VFS_FILE_ACCESS_HINT_NONE); if (strstr(mode, "a"))
{
retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE |
RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING;
position_to_end = true;
}
if (strstr(mode, "+"))
{
retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE;
if (strstr(mode, "r"))
retro_mode = retro_mode & RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING;
}
output = filestream_open(path, retro_mode,
RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (output && position_to_end)
filestream_seek(output, 0, RETRO_VFS_SEEK_POSITION_END);
return output;
} }
int rfclose(RFILE* stream) int rfclose(RFILE* stream)
@ -70,9 +87,9 @@ int rfseek(RFILE* stream, long offset, int origin)
} }
size_t rfread(void* buffer, size_t rfread(void* buffer,
size_t elementSize, size_t elementCount, RFILE* stream) size_t elem_size, size_t elem_count, RFILE* stream)
{ {
return filestream_read(stream, buffer, elementSize*elementCount); return filestream_read(stream, buffer, elem_size * elem_count);
} }
char *rfgets(char *buffer, int maxCount, RFILE* stream) char *rfgets(char *buffer, int maxCount, RFILE* stream)
@ -86,9 +103,9 @@ int rfgetc(RFILE* stream)
} }
size_t rfwrite(void const* buffer, size_t rfwrite(void const* buffer,
size_t elementSize, size_t elementCount, RFILE* stream) size_t elem_size, size_t elem_count, RFILE* stream)
{ {
return filestream_write(stream, buffer, elementSize*elementCount); return filestream_write(stream, buffer, elem_size * elem_count);
} }
int rfputc(int character, RFILE * stream) int rfputc(int character, RFILE * stream)