From 58b8a6648bae2cc21a93127233d28c898f10d37f Mon Sep 17 00:00:00 2001
From: Mark Grondona <mgrondona@llnl.gov>
Date: Mon, 22 Apr 2002 21:39:09 +0000
Subject: [PATCH] o in xstrcat print "(null)" if str2 is pointing to NULL
(instead of segfaulting!)
---
src/common/xstring.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/common/xstring.c b/src/common/xstring.c
index 96efcb3a659..d72eeb1831b 100644
--- a/src/common/xstring.c
+++ b/src/common/xstring.c
@@ -68,6 +68,9 @@ static void makespace(char **str, int needed)
*/
void _xstrcat(char **str1, const char *str2)
{
+ if (str2 == NULL)
+ str2 = "(null)";
+
makespace(str1, strlen(str2));
strcat(*str1, str2);
}
--
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