Improve vfs_implementation

This commit is contained in:
twinaphex 2019-07-15 06:43:37 +02:00
parent 7fb8965416
commit bb29b87ac3

View File

@ -198,34 +198,32 @@ int64_t retro_vfs_file_seek_internal(libretro_vfs_implementation_file *stream, i
if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
{
/* VC2005 and up have a special 64-bit fseek */
#ifdef ATLEAST_VC2005
#ifdef HAVE_CDROM
if (stream->scheme == VFS_SCHEME_CDROM)
return retro_vfs_file_seek_cdrom(stream, offset, whence);
else
#endif
/* VC2005 and up have a special 64-bit fseek */
#ifdef ATLEAST_VC2005
return _fseeki64(stream->fp, offset, whence);
#elif defined(__CELLOS_LV2__) || defined(_MSC_VER) && _MSC_VER <= 1310
return fseek(stream->fp, (long)offset, whence);
#elif defined(PS2)
int64_t ret = fileXioLseek(fileno(stream->fp), (off_t)offset, whence);
/* fileXioLseek could return positive numbers */
if (ret > 0)
return 0;
return ret;
{
int64_t ret = fileXioLseek(fileno(stream->fp), (off_t)offset, whence);
/* fileXioLseek could return positive numbers */
if (ret > 0)
return 0;
return ret;
}
#elif defined(ORBIS)
int ret = orbisLseek(stream->fd, offset, whence);
if (ret < 0)
return -1;
return 0;
{
int ret = orbisLseek(stream->fd, offset, whence);
if (ret < 0)
return -1;
return 0;
}
#else
#ifdef HAVE_CDROM
if (stream->scheme == VFS_SCHEME_CDROM)
return retro_vfs_file_seek_cdrom(stream, offset, whence);
else
#endif
return fseeko(stream->fp, (off_t)offset, whence);
return fseeko(stream->fp, (off_t)offset, whence);
#endif
}
#ifdef HAVE_MMAP
@ -576,15 +574,16 @@ end:
int retro_vfs_file_error_impl(libretro_vfs_implementation_file *stream)
{
#ifdef ORBIS
/* TODO/FIXME - implement this? */
return 0;
#endif
#ifdef HAVE_CDROM
if (stream->scheme == VFS_SCHEME_CDROM)
return retro_vfs_file_error_cdrom(stream);
#endif
#ifdef ORBIS
/* TODO/FIXME - implement this? */
return 0;
#else
return ferror(stream->fp);
#endif
}
int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream)
@ -622,16 +621,18 @@ int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream)
return retro_vfs_file_tell_cdrom(stream);
#endif
#ifdef ORBIS
int64_t ret = orbisLseek(stream->fd, 0, SEEK_CUR);
if (ret < 0)
return -1;
return ret;
{
int64_t ret = orbisLseek(stream->fd, 0, SEEK_CUR);
if (ret < 0)
return -1;
return ret;
}
#else
/* VC2005 and up have a special 64-bit ftell */
/* VC2005 and up have a special 64-bit ftell */
#ifdef ATLEAST_VC2005
return _ftelli64(stream->fp);
#else
return ftell(stream->fp);
return ftell(stream->fp);
#endif
#endif
}
@ -675,17 +676,16 @@ int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream,
if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
{
#ifdef HAVE_CDROM
if (stream->scheme == VFS_SCHEME_CDROM)
return retro_vfs_file_read_cdrom(stream, s, len);
#endif
#ifdef ORBIS
if (orbisRead(stream->fd, s, (size_t)len) < 0)
return -1;
return 0;
#else
#ifdef HAVE_CDROM
if (stream->scheme == VFS_SCHEME_CDROM)
return retro_vfs_file_read_cdrom(stream, s, len);
else
#endif
return fread(s, 1, (size_t)len, stream->fp);
return fread(s, 1, (size_t)len, stream->fp);
#endif
}
#ifdef HAVE_MMAP