Blame string/argz-stringify.c

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/* Routines for dealing with '\0' separated arg vectors.
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   Copyright (C) 1995-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Written by Miles Bader <miles@gnu.org>
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <argz.h>
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#include <string.h>
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/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
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   except the last into the character SEP.  */
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void
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__argz_stringify (char *argz, size_t len, int sep)
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{
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  if (len > 0)
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    while (1)
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      {
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	size_t part_len = __strnlen (argz, len);
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	argz += part_len;
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	len -= part_len;
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	if (len-- <= 1)		/* includes final '\0' we want to stop at */
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	  break;
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	*argz++ = sep;
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      }
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}
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libc_hidden_def (__argz_stringify)
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weak_alias (__argz_stringify, argz_stringify)