kc3-lang/gnulib/lib/vaszprintf.c

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• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• lib/vaszprintf.c

• /* Formatted output to strings.
     Copyright (C) 1999-2025 Free Software Foundation, Inc.
  
     This file is free software: you can redistribute it and/or modify
     it under the terms of the GNU Lesser General Public License as
     published by the Free Software Foundation; either version 2.1 of the
     License, or (at your option) any later version.
  
     This file 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 Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include <stdio.h>
  
  #include <errno.h>
  #include <stdint.h>
  #include <stdlib.h>
  
  #include "vasnprintf.h"
  
  ptrdiff_t
  vaszprintf (char **resultp, const char *format, va_list args)
  {
    size_t length;
    char *result = vasnprintf (NULL, &length, format, args);
    if (result == NULL)
      return -1;
  
    if (length > PTRDIFF_MAX)
      {
        free (result);
        errno = ENOMEM;
        return -1;
      }
  
    *resultp = result;
    /* Return the number of resulting bytes, excluding the trailing NUL.  */
    return length;
  }
  

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