vasprintf.c File Reference

#include <config.h>
#include <stdio.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include "vasnprintf.h"

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Functions
int	vasprintf (char **resultp, const char *format, va_list args)
	Formatted output to strings. More...

Function Documentation

vasprintf()

int vasprintf	(	char **	resultp,
		const char *	format,
		va_list	args
	)

Formatted output to strings.

Copyright (C) 1999, 2002, 2006-2014 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, 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/.
Specification.

Return the number of resulting bytes, excluding the trailing NUL.

Definition at line 33 of file vasprintf.c.

{
  size_t length;
  char *result = vasnprintf (NULL, &length, format, args);
  if (result == NULL)
    return -1;
 
  if (length > INT_MAX)
    {
      free (result);
      errno = EOVERFLOW;
      return -1;
    }
 
  *resultp = result;
  /* Return the number of resulting bytes, excluding the trailing NUL.  */
  return length;
}

References EOVERFLOW, free(), and vasnprintf().

Referenced by add_one_unformated_printf_to_text(), asprintf(), pips_log_alist(), pips_stop_alist(), pyps_error_handler(), pyps_log_handler(), safe_vasprintf(), and string_buffer_printf_alist().

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