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37f3ee4954
* include/envz.h: Use libc_hidden_proto for envz_entry, enz_remove. * include/argz.h: Use libc_hidden_proto for argz_delete. * string/argz-delete.c: Add libc_hidden_def. * string/envz.c: Likewise. Use <envz.h>, not "envz.h".
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Routines for dealing with '\0' separated arg vectors.
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Copyright (C) 1995,96,97,2002 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <argz.h>
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#include <string.h>
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#include <stdlib.h>
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/* Delete ENTRY from ARGZ & ARGZ_LEN, if any. */
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void
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argz_delete (char **argz, size_t *argz_len, char *entry)
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{
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if (entry)
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/* Get rid of the old value for NAME. */
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{
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size_t entry_len = strlen (entry) + 1;
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*argz_len -= entry_len;
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memmove (entry, entry + entry_len, *argz_len - (entry - *argz));
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if (*argz_len == 0)
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{
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free (*argz);
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*argz = 0;
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}
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}
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}
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libc_hidden_def (argz_delete)
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