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(VFS) Add fseeko/ftello support

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twinaphex 2020-06-27 13:41:59 +02:00
parent 5b9a51d353
commit b0b588a56a
1 changed files with 11 additions and 3 deletions
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14
libretro-common/vfs/vfs_implementation.c
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@ -177,6 +177,12 @@
#include <vfs/vfs_implementation_cdrom.h> #include <vfs/vfs_implementation_cdrom.h>
#endif #endif
#if (defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE - 0) >= 200112) || (defined(__POSIX_VISIBLE) && __POSIX_VISIBLE >= 200112) || (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112) || __USE_LARGEFILE
#ifndef HAVE_64BIT_OFFSETS
#define HAVE_64BIT_OFFSETS
#endif
#endif
#define RFILE_HINT_UNBUFFERED (1 << 8) #define RFILE_HINT_UNBUFFERED (1 << 8)
int64_t retro_vfs_file_seek_internal( int64_t retro_vfs_file_seek_internal(
@ -195,8 +201,6 @@ int64_t retro_vfs_file_seek_internal(
/* VC2005 and up have a special 64-bit fseek */ /* VC2005 and up have a special 64-bit fseek */
#ifdef ATLEAST_VC2005 #ifdef ATLEAST_VC2005
return _fseeki64(stream->fp, offset, whence); 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(ORBIS) #elif defined(ORBIS)
{ {
int ret = orbisLseek(stream->fd, offset, whence); int ret = orbisLseek(stream->fd, offset, whence);
@ -204,8 +208,10 @@ int64_t retro_vfs_file_seek_internal(
return -1; return -1;
return 0; return 0;
} }
#else #elif defined(HAVE_64BIT_OFFSETS)
return fseeko(stream->fp, (off_t)offset, whence); return fseeko(stream->fp, (off_t)offset, whence);
#else
return fseek(stream->fp, (long)offset, whence);
#endif #endif
} }
#ifdef HAVE_MMAP #ifdef HAVE_MMAP
@ -604,6 +610,8 @@ int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream)
/* VC2005 and up have a special 64-bit ftell */ /* VC2005 and up have a special 64-bit ftell */
#ifdef ATLEAST_VC2005 #ifdef ATLEAST_VC2005
return _ftelli64(stream->fp); return _ftelli64(stream->fp);
#elif defined(HAVE_64BIT_OFFSETS)
return ftello(stream->fp);
#else #else
return ftell(stream->fp); return ftell(stream->fp);
#endif #endif