glibc/string/argz-stringify.c

41 lines
1.4 KiB
C

/* Routines for dealing with '\0' separated arg vectors.
Copyright (C) 1995-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Miles Bader <miles@gnu.org>
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <argz.h>
#include <string.h>
/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
except the last into the character SEP. */
void
__argz_stringify (char *argz, size_t len, int sep)
{
if (len > 0)
while (1)
{
size_t part_len = __strnlen (argz, len);
argz += part_len;
len -= part_len;
if (len-- <= 1) /* includes final '\0' we want to stop at */
break;
*argz++ = sep;
}
}
libc_hidden_def (__argz_stringify)
weak_alias (__argz_stringify, argz_stringify)