/* Like vsprintf but provides a pointer to malloc'd storage, which must   be freed by the caller.   Copyright (C) 1994-2026 Free Software Foundation, Inc. This file is part of the libiberty library.Libiberty is free software; you can redistribute it and/ormodify it under the terms of the GNU Library General PublicLicense as published by the Free Software Foundation; eitherversion 2 of the License, or (at your option) any later version. Libiberty is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNULibrary General Public License for more details. You should have received a copy of the GNU Library General PublicLicense along with libiberty; see the file COPYING.LIB.  If not, writeto the Free Software Foundation, Inc., 51 Franklin Street - FifthFloor, Boston, MA 02110-1301, USA.  */ #ifdef HAVE_CONFIG_H#include "config.h"#endif#include <ansidecl.h>#include <stdarg.h>#if !defined (va_copy) && defined (__va_copy)# define va_copy(d,s)  __va_copy((d),(s))#endif#include <stdio.h>#ifdef HAVE_STRING_H#include <string.h>#endif#ifdef HAVE_STDLIB_H#include <stdlib.h>#elseextern void *malloc ();#endif#include "libiberty.h"#include "vprintf-support.h" #ifdef TESTint global_total_width;#endif /* @deftypefn Extension int vasprintf (char **@var{resptr}, @  const char *@var{format}, va_list @var{args}) Like @code{vsprintf}, but instead of passing a pointer to a buffer,you pass a pointer to a pointer.  This function will compute the sizeof the buffer needed, allocate memory with @code{malloc}, and store apointer to the allocated memory in @code{*@var{resptr}}.  The valuereturned is the same as @code{vsprintf} would return.  If memory couldnot be allocated, minus one is returned and @code{NULL} is stored in@code{*@var{resptr}}. @end deftypefn */ static int int_vasprintf (char **, const char *, va_list); static intint_vasprintf (char **result, const char *format, va_list args){  int total_width = libiberty_vprintf_buffer_size (format, args);#ifdef TEST  global_total_width = total_width;#endif  *result = (char *) malloc (total_width);  if (*result != NULL)    return vsprintf (*result, format, args);  else    return -1;} intvasprintf (char **result, const char *format,#if defined (_BSD_VA_LIST_) && defined (__FreeBSD__)           _BSD_VA_LIST_ args)#else           va_list args)#endif{  return int_vasprintf (result, format, args);} #ifdef TESTstatic void ATTRIBUTE_PRINTF_1checkit (const char *format, ...){  char *result;  va_list args;  va_start (args, format);  vasprintf (&result, format, args);  va_end (args);   if (strlen (result) < (size_t) global_total_width)    printf ("PASS: ");  else    printf ("FAIL: ");  printf ("%d %s\n", global_total_width, result);   free (result);} extern int main (void); intmain (void){  checkit ("%d", 0x12345678);  checkit ("%200d", 5);  checkit ("%.300d", 6);  checkit ("%100.150d", 7);  checkit ("%s", "jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\777777777777777777333333333333366666666666622222222222777777777777733333");  checkit ("%f%s%d%s", 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx");   return 0;}#endif /* TEST */