svn commit: r282463 - head/usr.bin/checknr

[Baptiste Daroussin]

Author: bapt
Date: Tue May  5 09:26:32 2015
New Revision: 282463
URL: https://svnweb.freebsd.org/changeset/base/282463

Log:
  Use stdup(3) and check its return instead from homebrew version using strcpy(3)
  and malloc(3)
  
  Obtained from:	NetBSD

Modified:
  head/usr.bin/checknr/checknr.c

Modified: head/usr.bin/checknr/checknr.c
==============================================================================
--- head/usr.bin/checknr/checknr.c	Tue May  5 09:24:29 2015	(r282462)
+++ head/usr.bin/checknr/checknr.c	Tue May  5 09:26:32 2015	(r282463)
@@ -574,7 +574,8 @@ addmac(const char *mac)
 	dest = src+1;
 	while (dest > loc)
 		*dest-- = *src--;
-	*loc = strcpy(malloc(3), mac);
+	if ((*loc = strdup(mac)) == NULL)
+		err(1, "strdup");
 	ncmds++;
 #ifdef DEBUG
 	printf("after: %s %s %s %s %s, %d cmds\n",