Fixed bug 4820 - SDL assumes RW_SEEK_SET == SEEK_SET
diff --git a/src/file/SDL_rwops.c b/src/file/SDL_rwops.c
index ffa9df4..8e515b5 100644
--- a/src/file/SDL_rwops.c
+++ b/src/file/SDL_rwops.c
@@ -361,13 +361,29 @@ stdio_size(SDL_RWops * context)
static Sint64 SDLCALL
stdio_seek(SDL_RWops * context, Sint64 offset, int whence)
{
+ int stdiowhence;
+
+ switch (whence) {
+ case RW_SEEK_SET:
+ stdiowhence = SEEK_SET;
+ break;
+ case RW_SEEK_CUR:
+ stdiowhence = SEEK_CUR;
+ break;
+ case RW_SEEK_END:
+ stdiowhence = SEEK_END;
+ break;
+ default:
+ return SDL_SetError("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");
}
#endif
- if (fseek(context->hidden.stdio.fp, (fseek_off_t)offset, whence) == 0) {
+ if (fseek(context->hidden.stdio.fp, (fseek_off_t)offset, stdiowhence) == 0) {
Sint64 pos = ftell(context->hidden.stdio.fp);
if (pos < 0) {
return SDL_SetError("Couldn't get stream offset");