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/*
* This file is part of the sn package.
* Distribution of sn is covered by the GNU GPL. See file COPYING.
* Copyright 1998-2000 Harold Tay.
* Copyright 2000- Patrik Rdman.
*/
/*
* Dynamic buffer routines.
*/
#include <stdlib.h>
#include <string.h>
#include "b.h"
static const char rcsid[] = "$Id$";
int b_appendl (register struct b *bp, char *str, int len)
{
if (NULL == bp->buf)
if (NULL == (bp->buf = malloc(bp->size = 248)))
return (-1);
else
bp->used = 0;
if (len + bp->used >= bp->size)
{
int newsize;
char *tmp;
if (len > bp->size)
newsize = bp->size + len;
else
newsize = bp->size * 2;
newsize += 16;
tmp = malloc(newsize);
if (NULL == tmp)
return (-1);
memcpy(tmp, bp->buf, bp->used + 1);
bp->buf = tmp;
bp->size = newsize;
}
memcpy(bp->buf + bp->used, str, len);
bp->used += len;
bp->buf[bp->used] = '\0';
return (0);
}
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