commit c701014dce5873801d465533fe52fbf6c52d4907
author DRC <information@libjpeg-turbo.org> Mon Nov 12 12:27:23 2018 -0600
committer DRC <information@libjpeg-turbo.org> Mon Nov 12 12:27:23 2018 -0600
tree 96923cfc2adfac2431d046a71977c6896b32538c
parent 950580eb0c020598a4c6c8aa46c86e31062e1ddc

tjbench.c: Fix compiler warnings with GCC 8

strncpy() may fail to truncate dst if len == strlen(dst).

tjbench.c

diff --git a/tjbench.c b/tjbench.c
index 9ab0ea2..863e534 100644
--- a/tjbench.c
+++ b/tjbench.c
@@ -60,8 +60,8 @@
     if (strncmp(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX) || \
         strncmp(tjErrorMsg, m, JMSG_LENGTH_MAX) || \
         tjErrorCode != _tjErrorCode || tjErrorLine != __LINE__) { \
-      strncpy(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX); \
-      strncpy(tjErrorMsg, m, JMSG_LENGTH_MAX); \
+      strncpy(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX - 1); \
+      strncpy(tjErrorMsg, m, JMSG_LENGTH_MAX - 1); \
       tjErrorCode = _tjErrorCode; \
       tjErrorLine = __LINE__; \
       printf("WARNING in line %d while %s:\n%s\n", __LINE__, m, _tjErrorStr); \