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libretro: Fix VFS fseek's return value #166

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libretro: Fix VFS fseek's return value #166

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3 changes: 2 additions & 1 deletion src/libchdr_chd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2166,7 +2166,8 @@ static void *core_stdio_fopen(char const *path) {
-------------------------------------------------*/
static uint64_t core_stdio_fsize(void *file) {
#if defined USE_LIBRETRO_VFS
#define core_stdio_fseek_impl fseek
/* The libretro VFS fseek returns the new file position, so we adapt it as needed. */
#define core_stdio_fseek_impl(file,offset,whence) (fseek(file, offset, whence) < 0 ? -1 : 0)
#define core_stdio_ftell_impl ftell
#elif defined(__WIN32__) || defined(_WIN32) || defined(WIN32) || defined(__WIN64__)
#define core_stdio_fseek_impl _fseeki64
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