Fix gunzip to work for any gziped uImage size
Signed-off-by: Catalin Radu <Catalin@VirtualMetrix.com>
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 @@
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);