From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Sun, 13 Sep 2020 04:20:36 +0000 (-0700)
Subject: Fixed buf resource leak in gz_compress when USE_MMAP is defined. (CID 298965)
X-Git-Tag: 1.9.9-b1~33
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7aabbbe7f25243ac9d3ae35312ff73e090f10bab;p=thirdparty%2Fzlib-ng.git

Fixed buf resource leak in gz_compress when USE_MMAP is defined. (CID 298965)
---

diff --git a/test/minigzip.c b/test/minigzip.c
index da45d48cc..bf95bd324 100644
--- a/test/minigzip.c
+++ b/test/minigzip.c
@@ -90,7 +90,7 @@ void error(const char *msg) {
  */
 
 void gz_compress(FILE *in, gzFile out) {
-    char *buf = (char *)calloc(BUFLEN, 1);
+    char *buf;
     int len;
     int err;
 
@@ -100,6 +100,7 @@ void gz_compress(FILE *in, gzFile out) {
      */
     if (gz_compress_mmap(in, out) == Z_OK) return;
 #endif
+    buf = (char *)calloc(BUFLEN, 1);
     for (;;) {
         len = (int)fread(buf, 1, BUFLEN, in);
         if (ferror(in)) {