X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/5dd6771b28c257af405d7248639ed0e3bcdce38b..4974d09cc659e2859fcf916ad020628c9695e2f8:/sbr/m_name.c

diff --git a/sbr/m_name.c b/sbr/m_name.c
index 18ee081c..a4b49af8 100644
--- a/sbr/m_name.c
+++ b/sbr/m_name.c
@@ -1,23 +1,25 @@
-
-/*
- * m_name.c -- return a message number as a string
+/* m_name.c -- return a message number as a string
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
  * complete copyright information.
  */
 
+#include <limits.h>
 #include <h/mh.h>
 
-static char name[BUFSIZ];
-
+#define STR(s) #s
+#define SIZE(n) (sizeof STR(n)) /* Includes NUL. */
 
 char *
 m_name (int num)
 {
+    static char name[SIZE(INT_MAX)];
+
     if (num <= 0)
 	return "?";
 
-    snprintf (name, sizeof(name), "%d", num);
+    snprintf(name, sizeof name, "%d", num);
+
     return name;
 }