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-rw-r--r--lib/gunzip.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/lib/gunzip.c b/lib/gunzip.c
index 482a476..8b16b24 100644
--- a/lib/gunzip.c
+++ b/lib/gunzip.c
@@ -106,12 +106,16 @@ int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
s.avail_in = *lenp - offset;
s.next_out = dst;
s.avail_out = dstlen;
- r = inflate(&s, Z_FINISH);
- if ((r != Z_STREAM_END) && (stoponerr==1)) {
- printf ("Error: inflate() returned %d\n", r);
- inflateEnd(&s);
- return (-1);
- }
+ do {
+ r = inflate(&s, Z_FINISH);
+ if (r != Z_STREAM_END && r != Z_BUF_ERROR && stoponerr == 1) {
+ printf("Error: inflate() returned %d\n", r);
+ inflateEnd(&s);
+ return -1;
+ }
+ s.avail_in = *lenp - offset - (int)(s.next_out - (unsigned char*)dst);
+ s.avail_out = dstlen;
+ } while (r == Z_BUF_ERROR);
*lenp = s.next_out - (unsigned char *) dst;
inflateEnd(&s);