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Annotation of embedaddon/libiconv/srclib/stripslash.c, revision 1.1.1.1

1.1       misho       1: /* stripslash.c -- remove redundant trailing slashes from a file name
                      2: 
                      3:    Copyright (C) 1990, 2001, 2003-2006, 2009-2019 Free Software Foundation,
                      4:    Inc.
                      5: 
                      6:    This program is free software: you can redistribute it and/or modify
                      7:    it under the terms of the GNU General Public License as published by
                      8:    the Free Software Foundation; either version 3 of the License, or
                      9:    (at your option) any later version.
                     10: 
                     11:    This program is distributed in the hope that it will be useful,
                     12:    but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14:    GNU General Public License for more details.
                     15: 
                     16:    You should have received a copy of the GNU General Public License
                     17:    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
                     18: 
                     19: #include <config.h>
                     20: 
                     21: #include "dirname.h"
                     22: 
                     23: /* Remove trailing slashes from FILE.  Return true if a trailing slash
                     24:    was removed.  This is useful when using file name completion from a
                     25:    shell that adds a "/" after directory names (such as tcsh and
                     26:    bash), because on symlinks to directories, several system calls
                     27:    have different semantics according to whether a trailing slash is
                     28:    present.  */
                     29: 
                     30: bool
                     31: strip_trailing_slashes (char *file)
                     32: {
                     33:   char *base = last_component (file);
                     34:   char *base_lim;
                     35:   bool had_slash;
                     36: 
                     37:   /* last_component returns "" for file system roots, but we need to turn
                     38:      "///" into "/".  */
                     39:   if (! *base)
                     40:     base = file;
                     41:   base_lim = base + base_len (base);
                     42:   had_slash = (*base_lim != '\0');
                     43:   *base_lim = '\0';
                     44:   return had_slash;
                     45: }