From ca9c39bf9901fbe7a7ac616f4eb0513fdaac53be Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <millert@cvs.openbsd.org>
Date: Wed, 2 Apr 2003 02:43:51 +0000
Subject: use strlcpy(); assumes buf is at least ndigit bytes long which is as
 safe as we can get.  deraadt@ OK

---
 lib/libc/stdlib/gcvt.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'lib/libc/stdlib/gcvt.c')

diff --git a/lib/libc/stdlib/gcvt.c b/lib/libc/stdlib/gcvt.c
index c1a96b17a59..fda487d729a 100644
--- a/lib/libc/stdlib/gcvt.c
+++ b/lib/libc/stdlib/gcvt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: gcvt.c,v 1.1 2002/12/02 15:38:54 millert Exp $	*/
+/*	$OpenBSD: gcvt.c,v 1.2 2003/04/02 02:43:50 millert Exp $	*/
 
 /*
  * Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan.com>
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: gcvt.c,v 1.1 2002/12/02 15:38:54 millert Exp $";
+static char rcsid[] = "$OpenBSD: gcvt.c,v 1.2 2003/04/02 02:43:50 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
@@ -49,8 +49,11 @@ gcvt(double value, int ndigit, char *buf)
 	}
 
 	digits = __dtoa(value, 2, ndigit, &decpt, &sign, NULL);
-	if (decpt == 9999)
-		return (strcpy(buf, digits));
+	if (decpt == 9999) {
+		/* Infinity or NaN, assume buffer is at least ndigit long. */
+		strlcpy(buf, digits, ndigit);
+		return (buf);
+	}
 
 	dst = buf;
 	if (sign)
-- 
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