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45 lines
1.5 KiB
45 lines
1.5 KiB
/* stripslash.c -- remove redundant trailing slashes from a file name |
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Copyright (C) 1990, 2001, 2003-2006, 2009-2017 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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