From: Bruno Haible <bruno@clisp.org>
Date: Fri, 1 Oct 2004 13:27:20 +0000 (+0000)
Subject: Another fix to snprintf().
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6dc8b58f2a657faf8c1dd2e9438faab2a016c034;p=pspp

Another fix to snprintf().
---

diff --git a/lib/ChangeLog b/lib/ChangeLog
index a701b151fb..7d2c82872e 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,7 @@
+2004-10-01  Simon Josefsson  <jas@extundo.com>
+
+	* snprintf.c (snprintf): Handle size==0.
+
 2004-10-01  Simon Josefsson  <jas@extundo.com>
             Bruno Haible  <bruno@clisp.org>
 
diff --git a/lib/snprintf.c b/lib/snprintf.c
index 92c265289a..c23d7e14a3 100644
--- a/lib/snprintf.c
+++ b/lib/snprintf.c
@@ -55,7 +55,7 @@ snprintf (char *str, size_t size, const char *format, ...)
   if (!output)
     return -1;
 
-  if (str)
+  if (str && size > 0)
     {
       memcpy (str, output, MIN (len + 1, size));
       str[size - 1] = '\0';