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/* xasprintf.c
* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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 3 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdlib.h>
#include <errno.h>
#include "util.h"
#include "iobuf.h"
#include "estream-printf.h"
#if !defined(_ESTREAM_PRINTF_MALLOC) || !defined(_ESTREAM_PRINTF_FREE)
#error Need to define ESTREAM_PRINTF_MALLOC and _FREE
#endif
/* Same as asprintf but return an allocated buffer suitable to be
freed using xfree. This function simply dies on memory failure,
thus no extra check is required. */
char *
xasprintf (const char *fmt, ...)
{
va_list ap;
char *buf;
va_start (ap, fmt);
if (estream_vasprintf (&buf, fmt, ap) < 0)
log_fatal ("estream_asprintf failed: %s\n", strerror (errno));
va_end (ap);
return buf;
}
/* Same as above but return NULL on memory failure. */
char *
xtryasprintf (const char *fmt, ...)
{
int rc;
va_list ap;
char *buf;
va_start (ap, fmt);
rc = estream_vasprintf (&buf, fmt, ap);
va_end (ap);
if (rc < 0)
return NULL;
return buf;
}
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