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Remove compile time dependency on ARG_MAX.

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PR: 1791 (partial)
Reviewed by: Bruce Evans <bde@freebsd.org>, Tor Egge <tegge@freebsd.org>
This commit is contained in:
jkoshy 1998-06-17 11:33:10 +00:00
parent a7dfca09c3
commit e27dc1bad8
1 changed files with 11 additions and 2 deletions
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13
bin/ps/fmt.c
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@ -36,7 +36,7 @@
static char sccsid[] = "@(#)fmt.c 8.4 (Berkeley) 4/15/94";
#endif
static const char rcsid[] =
"$Id$";
"$Id: fmt.c,v 1.11 1998/05/15 06:29:15 charnier Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -46,6 +46,7 @@ static const char rcsid[] =
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vis.h>
#include "ps.h"
@ -60,8 +61,16 @@ static char *
shquote(argv)
char **argv;
{
long arg_max;
char **p, *dst, *src;
static char buf[4*ARG_MAX]; /* XXX */
static char *buf = NULL;
if (buf == NULL) {
if ((arg_max = sysconf(_SC_ARG_MAX)) == -1)
errx(1, "sysconf _SC_ARG_MAX failed");
if ((buf = malloc((4 * arg_max) + 1)) == NULL)
errx(1, "malloc failed");
}
if (*argv == 0) {
buf[0] = 0;