ref: 57ada051b615f941adcd694950e3fabf617299d4
parent: 4f671e3574df2fba337e601646d31e206f733abc
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Thu Dec 28 10:25:12 EST 2023
wavinfo: assume entire file looping if second cue points is out of range
--- a/wav.c
+++ b/wav.c
@@ -44,7 +44,7 @@
info->rate = le32(p); sz -= 4; n -= 4;
p += 4+2; sz -= 4+2; n -= 4+2; /* skip ByteRate + BlockAlign */
info->width = le16(p); sz -= 2; n -= 2;
- if((info->width % 8) != 0){+ if(info->width < 1 || (info->width % 8) != 0){ werrstr("invalid width: %d", info->width);return -1;
}
@@ -56,8 +56,14 @@
info->loopofs = le32(p); sz -= 4; n -= 4;
/* FIXME(sigrid): check if this is needed and whether it works at all */
if(i > 1){+ if(info->width < 1){+ werrstr("cue chunk before fmt");+ return -1;
+ }
p += 5*4; sz -= 5*4; n -= 5*4; /* Name+Position+Chunk+ChunkStart+BlockStart */
loopsamples = info->loopofs + le32(p); sz -= 4; n -= 4;
+ if(loopsamples > info->samples) /* eg "nehahra/sounds/vondur/fan1.wav" */
+ loopsamples = info->samples;
}
}
}else if(memcmp(p-8, "data", 4) == 0 && info->dataofs == 0){