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authorGlenn L McGrath <bug1@ihug.co.nz>2001-11-29 06:36:56 +0000
committerGlenn L McGrath <bug1@ihug.co.nz>2001-11-29 06:36:56 +0000
commit38288bbf4cb26be1d1b3ee9175666d6819892a9e (patch)
tree066a61cd46f32b2aab2012e405e7ee1cbbc7898c /libbb
parent8a35c9a5575a32cebf0f160f77fada930dcffc5d (diff)
downloadbusybox-38288bbf4cb26be1d1b3ee9175666d6819892a9e.tar.gz
gunzip was incorrectly reporting a failed crc and length (discovered by
Chang, Shu-Hao). The bitbuffer needs to be unwound after decompression, as it was eating into the crc/size field.
Diffstat (limited to 'libbb')
-rw-r--r--libbb/unzip.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libbb/unzip.c b/libbb/unzip.c
index bb32891be..69cc8198b 100644
--- a/libbb/unzip.c
+++ b/libbb/unzip.c
@@ -875,6 +875,14 @@ static int inflate(void)
}
} while (!e);
+ /* Undo too much lookahead. The next read will be byte aligned so we
+ * can discard unused bits in the last meaningful byte.
+ */
+ while (bk >= 8) {
+ bk -= 8;
+ ungetc((bb << bk), in_file);
+ }
+
/* flush out window */
flush_window();