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authorRob Landley <rob@landley.net>2016-04-23 05:04:37 -0500
committerRob Landley <rob@landley.net>2016-04-23 05:04:37 -0500
commitbadd9f799eed7d7efb9357df1e931df1f422f275 (patch)
treec23343f6e9179d0087f4b248753b33a8cdee9644 /toys/other
parent4b02667d8c0993f2682bb3b1fb1db57c069fa797 (diff)
downloadtoybox-badd9f799eed7d7efb9357df1e931df1f422f275.tar.gz
Fiz bzcat segfault reported by John Regehr (bad crc didn't set error message).
Diffstat (limited to 'toys/other')
-rw-r--r--toys/other/bzcat.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/toys/other/bzcat.c b/toys/other/bzcat.c
index fdad9a01..ff598491 100644
--- a/toys/other/bzcat.c
+++ b/toys/other/bzcat.c
@@ -455,9 +455,6 @@ static void burrows_wheeler_prep(struct bunzip_data *bd, struct bwdata *bw)
unsigned int *dbuf = bw->dbuf;
int *byteCount = bw->byteCount;
- // Technically this part is preparation for the burrows-wheeler
- // transform, but it's quick and convenient to do here.
-
// Turn byteCount into cumulative occurrence counts of 0 to n-1.
jj = 0;
for (ii=0; ii<256; ii++) {
@@ -651,7 +648,10 @@ static char *bunzipStream(int src_fd, int dst_fd)
if (!(i = start_bunzip(&bd,src_fd, 0, 0))) {
i = write_bunzip_data(bd,bd->bwdata, dst_fd, 0, 0);
- if (i==RETVAL_LAST_BLOCK && bd->bwdata[0].headerCRC==bd->totalCRC) i = 0;
+ if (i==RETVAL_LAST_BLOCK) {
+ if (bd->bwdata[0].headerCRC==bd->totalCRC) i = 0;
+ else i = RETVAL_DATA_ERROR;
+ }
}
flush_bunzip_outbuf(bd, dst_fd);