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From 4c0faba32fddbd0745cbfaf1e1aeb3da5d35b9fc Mon Sep 17 00:00:00 2001
From: David Bryant <david@wavpack.com>
Date: Sat, 2 Mar 2019 18:37:14 -0800
Subject: [PATCH] issue #65: make sure DSDIFF files have a valid channel count
---
cli/dsdiff.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/cli/dsdiff.c b/cli/dsdiff.c
index 0ac4321..f357181 100644
--- a/cli/dsdiff.c
+++ b/cli/dsdiff.c
@@ -180,7 +180,7 @@ int ParseDsdiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpa
if (!strncmp (prop_chunk, "SND ", 4)) {
char *cptr = prop_chunk + 4, *eptr = prop_chunk + dff_chunk_header.ckDataSize;
- uint16_t numChannels, chansSpecified, chanMask = 0;
+ uint16_t numChannels = 0, chansSpecified, chanMask = 0;
uint32_t sampleRate;
while (eptr - cptr >= sizeof (dff_chunk_header)) {
@@ -279,6 +279,12 @@ int ParseDsdiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpa
free (prop_chunk);
}
else if (!strncmp (dff_chunk_header.ckID, "DSD ", 4)) {
+
+ if (!config->num_channels) {
+ error_line ("%s is not a valid .DFF file!", infilename);
+ return WAVPACK_SOFT_ERROR;
+ }
+
total_samples = dff_chunk_header.ckDataSize / config->num_channels;
break;
}
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