1  /* Routines for dealing with '\0' separated arg vectors.
       2     Copyright (C) 1995-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <argz.h>
      20  #include <string.h>
      21  
      22  /* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
      23     except the last into the character SEP.  */
      24  void
      25  __argz_stringify (char *argz, size_t len, int sep)
      26  {
      27    if (len > 0)
      28      while (1)
      29        {
      30  	size_t part_len = __strnlen (argz, len);
      31  	argz += part_len;
      32  	len -= part_len;
      33  	if (len-- <= 1)		/* includes final '\0' we want to stop at */
      34  	  break;
      35  	*argz++ = sep;
      36        }
      37  }
      38  libc_hidden_def (__argz_stringify)
      39  weak_alias (__argz_stringify, argz_stringify)