kc3-lang/gnulib/lib/c-vasprintf.c

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• Hash : 281b825e
  Author :
  Date : 2018-01-01T00:57:25
  

  maint: Run 'make update-copyright'
  

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• lib/c-vasprintf.c

• /* Formatted output to strings in C locale.
     Copyright (C) 1999, 2002, 2006-2018 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, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include "c-vasprintf.h"
  
  #include <errno.h>
  #include <limits.h>
  #include <stdlib.h>
  
  #include "c-vasnprintf.h"
  
  int
  c_vasprintf (char **resultp, const char *format, va_list args)
  {
    size_t length;
    char *result = c_vasnprintf (NULL, &length, format, args);
    if (result == NULL)
      return -1;
  
    if (length > INT_MAX)
      {
        free (result);
        errno = EOVERFLOW;
        return -1;
      }
  
    *resultp = result;
    /* Return the number of resulting bytes, excluding the trailing NUL.  */
    return length;
  }
  

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