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Diffstat (limited to 'misc/dirname.c')
-rw-r--r-- | misc/dirname.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/misc/dirname.c b/misc/dirname.c deleted file mode 100644 index 7400354c8e..0000000000 --- a/misc/dirname.c +++ /dev/null @@ -1,80 +0,0 @@ -/* dirname - return directory part of PATH. - Copyright (C) 1996-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. - - 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 <libgen.h> -#include <string.h> - - -char * -dirname (char *path) -{ - static const char dot[] = "."; - char *last_slash; - - /* Find last '/'. */ - last_slash = path != NULL ? strrchr (path, '/') : NULL; - - if (last_slash != NULL && last_slash != path && last_slash[1] == '\0') - { - /* Determine whether all remaining characters are slashes. */ - char *runp; - - for (runp = last_slash; runp != path; --runp) - if (runp[-1] != '/') - break; - - /* The '/' is the last character, we have to look further. */ - if (runp != path) - last_slash = __memrchr (path, '/', runp - path); - } - - if (last_slash != NULL) - { - /* Determine whether all remaining characters are slashes. */ - char *runp; - - for (runp = last_slash; runp != path; --runp) - if (runp[-1] != '/') - break; - - /* Terminate the path. */ - if (runp == path) - { - /* The last slash is the first character in the string. We have to - return "/". As a special case we have to return "//" if there - are exactly two slashes at the beginning of the string. See - XBD 4.10 Path Name Resolution for more information. */ - if (last_slash == path + 1) - ++last_slash; - else - last_slash = path + 1; - } - else - last_slash = runp; - - last_slash[0] = '\0'; - } - else - /* This assignment is ill-designed but the XPG specs require to - return a string containing "." in any case no directory part is - found and so a static and constant string is required. */ - path = (char *) dot; - - return path; -} |