From: LeeYoung624 <liyiang@hotmail.com>
Date: Mon, 29 Jul 2019 09:05:50 +0000 (+0800)
Subject: bug fix : NULL pointer
X-Git-Tag: v1.4.3^2~4^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5caaf52a447f9d7bc34c9df775226bee569f6b4;p=thirdparty%2Fzstd.git

bug fix : NULL pointer
---

diff --git a/programs/util.c b/programs/util.c
index fb77d1783..347e76986 100644
--- a/programs/util.c
+++ b/programs/util.c
@@ -494,7 +494,7 @@ int UTIL_countPhysicalCores(void)
             if (fgets(buff, BUF_SIZE, cpuinfo) != NULL) {
                 if (strncmp(buff, "siblings", 8) == 0) {
                     const char* const sep = strchr(buff, ':');
-                    if (*sep == '\0') {
+                    if (sep == NULL || *sep == '\0') {
                         /* formatting was broken? */
                         goto failed;
                     }
@@ -503,7 +503,7 @@ int UTIL_countPhysicalCores(void)
                 }
                 if (strncmp(buff, "cpu cores", 9) == 0) {
                     const char* const sep = strchr(buff, ':');
-                    if (*sep == '\0') {
+                    if (sep == NULL || *sep == '\0') {
                         /* formatting was broken? */
                         goto failed;
                     }