From: DRC <information@libjpeg-turbo.org>
Date: Mon, 12 Nov 2018 18:27:23 +0000 (-0600)
Subject: tjbench.c: Fix compiler warnings with GCC 8
X-Git-Tag: 2.0.1~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c701014dce5873801d465533fe52fbf6c52d4907;p=libjpeg-turbo

tjbench.c: Fix compiler warnings with GCC 8

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

diff --git a/tjbench.c b/tjbench.c
index 9ab0ea2..863e534 100644
--- a/tjbench.c
+++ b/tjbench.c
@@ -60,8 +60,8 @@ int tjErrorLine = -1, tjErrorCode = -1;
     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); \