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Check for return value of getenv() before handing it to strdup().

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Fixes a bug in last commit when PKG_ADD was not set.
This commit is contained in:
hubertf 2001-04-21 01:38:14 +00:00
parent baa78b5c79
commit 965773e0ca
1 changed files with 6 additions and 3 deletions
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9
usr.sbin/pkg_install/add/main.c
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@ -1,11 +1,11 @@
/* $NetBSD: main.c,v 1.21 2001/04/19 12:31:59 dmcmahill Exp $ */
/* $NetBSD: main.c,v 1.22 2001/04/21 01:38:14 hubertf Exp $ */
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char *rcsid = "from FreeBSD Id: main.c,v 1.16 1997/10/08 07:45:43 charnier Exp";
#else
__RCSID("$NetBSD: main.c,v 1.21 2001/04/19 12:31:59 dmcmahill Exp $");
__RCSID("$NetBSD: main.c,v 1.22 2001/04/21 01:38:14 hubertf Exp $");
#endif
#endif
@ -179,7 +179,10 @@ main(int argc, char **argv)
* pkgs - feature? */
char *e;
e = strdup(getenv("PKG_PATH"));
if (getenv("PKG_PATH"))
e = strdup(getenv("PKG_PATH"));
else
e = NULL;
s = NULL;
while(s==NULL && e && *e) {
char *e2 = strsep(&e, ";");