Handle the case where the WAVE magic number was already read in a non…

…-seekable stream. I don't know if the code works with non-seekable streams anyway, but ...
libsdl-org · Sep 11, 2001 · c04171b · c04171b
1 parent 1736896
commit c04171b
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/audio/SDL_wave.c b/src/audio/SDL_wave.c
@@ -434,7 +434,13 @@ SDL_AudioSpec * SDL_LoadWAV_RW (SDL_RWops *src, int freesrc,
 	/* Check the magic header */
 	RIFFchunk	= SDL_ReadLE32(src);
 	wavelen		= SDL_ReadLE32(src);
-	WAVEmagic	= SDL_ReadLE32(src);
+	if ( wavelen == WAVE ) { /* The RIFFchunk has already been read */
+		WAVEmagic = wavelen;
+		wavelen   = RIFFchunk;
+		RIFFchunk = RIFF;
+	} else {
+		WAVEmagic = SDL_ReadLE32(src);
+	}
 	if ( (RIFFchunk != RIFF) || (WAVEmagic != WAVE) ) {
 		SDL_SetError("Unrecognized file type (not WAVE)");
 		was_error = 1;