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/* vasprintf with out-of-memory checking in C locale.
Copyright (C) 1999, 2002-2004, 2006-2025 Free Software Foundation, Inc.
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 3 of the License, or
(at your option) any later version.
This program 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 <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "c-xvasprintf.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "c-vasprintf.h"
#include "xalloc.h"
char *
c_xvasprintf (const char *format, va_list args)
{
char *result;
if (c_vaszprintf (&result, format, args) < 0)
{
if (errno == ENOMEM)
xalloc_die ();
else
{
/* The programmer ought to have ensured that none of the other errors
can occur. */
int err = errno;
char errbuf[20];
const char *errname;
#if HAVE_WORKING_STRERRORNAME_NP
errname = strerrorname_np (err);
if (errname == NULL)
#else
if (err == EINVAL)
errname = "EINVAL";
else if (err == EILSEQ)
errname = "EILSEQ";
else if (err == EOVERFLOW)
errname = "EOVERFLOW";
else
#endif
{
sprintf (errbuf, "%d", err);
errname = errbuf;
}
fprintf (stderr, "c_vasprintf failed! format=\"%s\", errno=%s\n",
format, errname);
fflush (stderr);
abort ();
}
}
return result;
}
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