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setproctitle_internal(): remove kbuf local, it is write-only

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Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2021-11-28 04:51:45 +02:00
parent 16b238b740
commit 412fd7a34c
1 changed files with 1 additions and 3 deletions
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4
lib/libc/gen/setproctitle.c
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@ -62,7 +62,7 @@ setproctitle_internal(const char *fmt, va_list ap)
static struct ps_strings *ps_strings;
static char *buf = NULL;
static char *obuf = NULL;
static char **oargv, *kbuf;
static char **oargv;
static int oargc = -1;
static char *nargv[2] = { NULL, NULL };
char **nargvp;
@ -103,12 +103,10 @@ setproctitle_internal(const char *fmt, va_list ap)
nargvp = nargv;
nargc = 1;
kbuf = buf;
} else if (*obuf != '\0') {
/* Idea from NetBSD - reset the title on fmt == NULL */
nargvp = oargv;
nargc = oargc;
kbuf = obuf;
} else
/* Nothing to restore */
return (NULL);