File: xvasprintf.h

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/* vasprintf and asprintf with out-of-memory checking.
   Copyright (C) 2002-2004, 2006-2010 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 <http://www.gnu.org/licenses/>.  */

#ifndef _XVASPRINTF_H
#define _XVASPRINTF_H

/* Get va_list.  */
#include <stdarg.h>

#ifndef __attribute__
/* The __attribute__ feature is available in gcc versions 2.5 and later.
   The __-protected variants of the attributes 'format' and 'printf' are
   accepted by gcc versions 2.6.4 (effectively 2.7) and later.
   We enable __attribute__ only if these are supported too, because
   gnulib and libintl do '#define printf __printf__' when they override
   the 'printf' function.  */
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
#  define __attribute__(Spec)   /* empty */
# endif
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* Write formatted output to a string dynamically allocated with malloc(),
   and return it.  Upon [ENOMEM] memory allocation error, call xalloc_die.
   On some other error
     - [EOVERFLOW] resulting string length is > INT_MAX,
     - [EINVAL] invalid format string,
     - [EILSEQ] error during conversion between wide and multibyte characters,
   return NULL.  */
extern char *xasprintf (const char *format, ...)
       __attribute__ ((__format__ (__printf__, 1, 2)));
extern char *xvasprintf (const char *format, va_list args)
       __attribute__ ((__format__ (__printf__, 1, 0)));

#ifdef __cplusplus
}
#endif

#endif /* _XVASPRINTF_H */