1 /* Implement the xvasprintf function.
2    Copyright (C) 2014 Free Software Foundation, Inc.
3    Contributed by Manuel Lopez-Ibanez.
4 
5 This file is part of the libiberty library.
6 Libiberty is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
10 
11 Libiberty is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 Library General Public License for more details.
15 
16 You should have received a copy of the GNU Library General Public
17 License along with libiberty; see the file COPYING.LIB.  If not, write
18 to the Free Software Foundation, Inc., 51 Franklin Street - Fifth
19 Floor, Boston, MA 02110-1301, USA.  */
20 
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24 #include <ansidecl.h>
25 #include <stdarg.h>
26 #if !defined (va_copy) && defined (__va_copy)
27 # define va_copy(d,s)  __va_copy((d),(s))
28 #endif
29 #include <stdio.h>
30 #ifdef HAVE_STRING_H
31 #include <string.h>
32 #endif
33 #include "libiberty.h"
34 #include "vprintf-support.h"
35 
36 /*
37 
38 @deftypefn Replacement char* xvasprintf (const char *@var{format}, va_list @var{args})
39 
40 Print to allocated string without fail.  If @code{xvasprintf} fails,
41 this will print a message to @code{stderr} (using the name set by
42 @code{xmalloc_set_program_name}, if any) and then call @code{xexit}.
43 
44 @end deftypefn
45 
46 */
47 
48 char *
xvasprintf(const char * format,_BSD_VA_LIST_ args)49 xvasprintf (const char *format,
50 #if defined (_BSD_VA_LIST_) && defined (__FreeBSD__)
51            _BSD_VA_LIST_ args)
52 #else
53            va_list args)
54 #endif
55 {
56   char *result;
57   int total_width = libiberty_vprintf_buffer_size (format, args);
58   result = (char *) xmalloc (total_width);
59   vsprintf (result, format, args);
60   return result;
61 }
62