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/*
cipelib - library routines common to CIPE (user-mode part) and PKCIPE
Copyright 2000 Olaf Titz <olaf@bigred.inka.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
/* $Id: dsprintf.c,v 1.1 2000/11/30 22:12:41 olaf Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cipelib.h"
#define INITCHUNK 32
#define CHUNK 64
char *dsprintf(const char *fmt, ...)
{
va_list v;
int l=strlen(fmt)+INITCHUNK, i;
char *r=malloc(l);
while (r) {
va_start(v, fmt);
i=vsnprintf(r, l, fmt, v);
va_end(v);
if (i<0)
l+=CHUNK;
else if (i>=l)
i=l+1;
else
break;
r=realloc(r, i);
}
return r;
}
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