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Possible stdio_seek fix #96

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Possible stdio_seek fix #96

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15 changes: 15 additions & 0 deletions src/file/SDL_rwops.c
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Original file line number Diff line number Diff line change
Expand Up @@ -361,6 +361,21 @@ stdio_size(SDL_RWops * context)
static Sint64 SDLCALL
stdio_seek(SDL_RWops * context, Sint64 offset, int whence)
{
// XXX EMSCRIPTEN this seems like an SDL bug?
switch (whence) {
case RW_SEEK_SET:
whence = SEEK_SET;
break;
case RW_SEEK_CUR:
whence = SEEK_CUR;
break;
case RW_SEEK_END:
whence = SEEK_END;
break;
default:
return SDL_SetError("stdio_seek: Unknown value for 'whence'");
}

#if defined(FSEEK_OFF_MIN) && defined(FSEEK_OFF_MAX)
if (offset < (Sint64)(FSEEK_OFF_MIN) || offset > (Sint64)(FSEEK_OFF_MAX)) {
return SDL_SetError("Seek offset out of range");
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