From: Mika Lindqvist <postmaster@raasu.org>
Date: Sat, 3 Oct 2020 23:52:56 +0000 (+0300)
Subject: Fix memory leak in gz_compress() and add NULL check.
X-Git-Tag: v2.0.0-RC1~42
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b80923956eb17e089c3aa900ff2e6e2b2a9c72d1;p=thirdparty%2Fzlib-ng.git

Fix memory leak in gz_compress() and add NULL check.
---

diff --git a/test/minigzip.c b/test/minigzip.c
index 4cbb30f4..21cf8a36 100644
--- a/test/minigzip.c
+++ b/test/minigzip.c
@@ -101,9 +101,12 @@ void gz_compress(FILE *in, gzFile out) {
     if (gz_compress_mmap(in, out) == Z_OK) return;
 #endif
     buf = (char *)calloc(BUFLEN, 1);
+    if (buf == NULL) perror("out of memory");
+
     for (;;) {
         len = (int)fread(buf, 1, BUFLEN, in);
         if (ferror(in)) {
+            free(buf);
             perror("fread");
             exit(1);
         }