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Do the right thing for an empty environment.

This commit is contained in:
mycroft 1995-05-18 15:35:59 +00:00
parent 3a23f31a10
commit 3cd42e791d
1 changed files with 4 additions and 3 deletions
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7
bin/ps/fmt.c
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@ -1,4 +1,4 @@
/* $NetBSD: fmt.c,v 1.6 1995/05/18 15:27:31 mycroft Exp $ */
/* $NetBSD: fmt.c,v 1.7 1995/05/18 15:35:59 mycroft Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
@ -37,7 +37,7 @@
#if 0
static char sccsid[] = "@(#)fmt.c 8.4 (Berkeley) 4/15/94";
#else
static char rcsid[] = "$NetBSD: fmt.c,v 1.6 1995/05/18 15:27:31 mycroft Exp $";
static char rcsid[] = "$NetBSD: fmt.c,v 1.7 1995/05/18 15:35:59 mycroft Exp $";
#endif
#endif /* not lint */
@ -106,7 +106,8 @@ fmt_argv(argv, cmd, maxlen)
len = strlen(ap);
if ((cp = malloc(len + maxlen + 3)) == NULL)
return (NULL);
if (ap[0] == '\0' || strncmp(cmdpart(argv[0]), cmd, maxlen) != 0)
if (cmd &&
(ap[0] == '\0' || strncmp(cmdpart(argv[0]), cmd, maxlen) != 0))
sprintf(cp, "%s(%.*s)", ap, maxlen, cmd);
else {
bcopy(ap, cp, len);