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      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 *
     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