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46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/* stripslash.c -- remove redundant trailing slashes from a file name
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Copyright (C) 1990, 2001, 2003-2006, 2009-2013 Free Software Foundation,
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Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include "dirname.h"
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/* Remove trailing slashes from FILE. Return true if a trailing slash
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was removed. This is useful when using file name completion from a
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shell that adds a "/" after directory names (such as tcsh and
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bash), because on symlinks to directories, several system calls
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have different semantics according to whether a trailing slash is
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present. */
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bool
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strip_trailing_slashes (char *file)
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{
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char *base = last_component (file);
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char *base_lim;
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bool had_slash;
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/* last_component returns "" for file system roots, but we need to turn
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"///" into "/". */
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if (! *base)
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base = file;
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base_lim = base + base_len (base);
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had_slash = (*base_lim != '\0');
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*base_lim = '\0';
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return had_slash;
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}
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