1  /* Error-checking wrapper for asprintf.
       2     Copyright (C) 2016-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <support/support.h>
      20  
      21  #include <stdarg.h>
      22  #include <stdio.h>
      23  #include <stdlib.h>
      24  #include <support/check.h>
      25  
      26  char *
      27  xasprintf (const char *format, ...)
      28  {
      29    va_list ap;
      30    va_start (ap, format);
      31    char *result;
      32    if (vasprintf (&result, format, ap) < 0)
      33      FAIL_EXIT1 ("asprintf: %m");
      34    va_end (ap);
      35    return result;
      36  }