minix/bin/ps/fmt.c
David van Moolenbroek 11eaad3501 Import NetBSD w(1) and uptime(1)
Change-Id: Id6cc36f4befbce4be3a471ae920d75972a44bef1
2014-08-27 10:13:37 +00:00

60 lines
1,000 B
C

/* $NetBSD: fmt.c,v 1.21 2007/12/12 22:55:43 lukem Exp $ */
#include <sys/cdefs.h>
__RCSID("$NetBSD: fmt.c,v 1.21 2007/12/12 22:55:43 lukem Exp $");
#include <kvm.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vis.h>
#include <sys/time.h>
#include <sys/resource.h>
#include "ps.h"
void
fmt_puts(char *s, int *leftp)
{
static char *v = 0;
static int maxlen = 0;
char *nv;
int len, nlen;
if (*leftp == 0)
return;
len = strlen(s) * 4 + 1;
if (len > maxlen) {
if (maxlen == 0)
nlen = getpagesize();
else
nlen = maxlen;
while (len > nlen)
nlen *= 2;
nv = realloc(v, nlen);
if (nv == 0)
return;
v = nv;
maxlen = nlen;
}
len = strvis(v, s, VIS_TAB | VIS_NL | VIS_CSTYLE);
if (*leftp != -1) {
if (len > *leftp) {
v[*leftp] = '\0';
*leftp = 0;
} else
*leftp -= len;
}
(void)printf("%s", v);
}
void
fmt_putc(int c, int *leftp)
{
if (*leftp == 0)
return;
if (*leftp != -1)
*leftp -= 1;
putchar(c);
}