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/* $OpenBSD: fmt.c,v 1.11 2013/11/11 23:07:15 deraadt Exp $ */
/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/resource.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vis.h>
#include "ps.h"
void
fmt_puts(const char *s, int *leftp)
{
static char *v = NULL, *nv;
static int maxlen = 0;
int len;
if (*leftp == 0)
return;
len = strlen(s) * 4 + 1;
if (len > maxlen) {
size_t newmaxlen = maxlen;
if (newmaxlen == 0)
newmaxlen = getpagesize();
while (len > newmaxlen)
newmaxlen *= 2;
nv = realloc(v, newmaxlen);
if (nv == 0) {
free(v);
v = NULL;
maxlen = 0;
return;
}
maxlen = newmaxlen;
v = nv;
}
strvis(v, s, VIS_TAB | VIS_NL | VIS_CSTYLE);
if (*leftp != -1) {
len = strlen(v);
if (len > *leftp) {
v[*leftp] = '\0';
*leftp = 0;
} else
*leftp -= len;
}
printf("%s", v);
}
void
fmt_putc(int c, int *leftp)
{
if (*leftp == 0)
return;
if (*leftp != -1)
*leftp -= 1;
putchar(c);
}
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