glibc/include/programs/xasprintf.h

/* asprintf with out of memory checking
   Copyright (C) 2019 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   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; version 2 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/>.  */

#ifndef _XASPRINTF_H
#define _XASPRINTF_H	1

extern char *xasprintf (const char *format, ...)
    __attribute__ ((__format__ (__printf__, 1, 2), __warn_unused_result__));

#endif /* xasprintf.h */