/* Formatted output to strings. Copyright (C) 1999, 2002 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 2, 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <sys/cdefs.h> __RCSID("$NetBSD: vasprintf.c,v 1.2 2016/05/17 14:00:09 christos Exp $"); #ifdef HAVE_CONFIG_H # include <config.h> #endif /* Specification. */ #include "vasprintf.h" #include <stdlib.h> #include "vasnprintf.h" int vasprintf (char **resultp, const char *format, va_list args) { size_t length; char *result = vasnprintf (NULL, &length, format, args); if (result == NULL) return -1; *resultp = result; /* Return the number of resulting bytes, excluding the trailing NUL. If it wouldn't fit in an 'int', vasnprintf() would have returned NULL and set errno to EOVERFLOW. */ return length; } |