1 /* Implement the xvasprintf function. 2 Copyright (C) 2014-2018 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