| /* Extract the last component (base name) of a file name. | |
| Copyright (C) 1998, 2001, 2003-2006, 2009-2023 Free Software Foundation, | |
| Inc. | |
| This file 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. | |
| This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */ | |
| extern "C" { | |
| /* Return the address of the last file name component of FILENAME. | |
| If FILENAME has some trailing slash(es), they are considered to be | |
| part of the last component. | |
| If FILENAME has no relative file name components because it is a file | |
| system root, return the empty string. | |
| Examples: | |
| FILENAME RESULT | |
| "foo.c" "foo.c" | |
| "foo/bar.c" "bar.c" | |
| "/foo/bar.c" "bar.c" | |
| "foo/bar/" "bar/" | |
| "foo/bar//" "bar//" | |
| "/" "" | |
| "//" "" | |
| "" "" | |
| The return value is a tail of the given FILENAME; do NOT free() it! */ | |
| /* This function was traditionally called 'basename', but we avoid this | |
| function name because | |
| * Various platforms have different functions in their libc. | |
| In particular, the glibc basename(), defined in <string.h>, does | |
| not consider trailing slashes to be part of the component: | |
| FILENAME RESULT | |
| "foo/bar/" "" | |
| "foo/bar//" "" | |
| * The 'basename' command eliminates trailing slashes and for a root | |
| produces a non-empty result: | |
| FILENAME RESULT | |
| "foo/bar/" "bar" | |
| "foo/bar//" "bar" | |
| "/" "/" | |
| "//" "/" | |
| */ | |
| extern char *last_component (char const *filename) _GL_ATTRIBUTE_PURE; | |
| /* Return the length of the basename FILENAME. | |
| Typically FILENAME is the value returned by base_name or last_component. | |
| Act like strlen (FILENAME), except omit all trailing slashes. */ | |
| extern size_t base_len (char const *filename) _GL_ATTRIBUTE_PURE; | |
| } /* extern "C" */ | |