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Diffstat (limited to 'lib/basename-lgpl.h')
-rw-r--r-- | lib/basename-lgpl.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/basename-lgpl.h b/lib/basename-lgpl.h new file mode 100644 index 0000000..c1982fa --- /dev/null +++ b/lib/basename-lgpl.h @@ -0,0 +1,83 @@ +/* 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/>. */ + +#ifndef _BASENAME_LGPL_H +#define _BASENAME_LGPL_H + +/* This file uses _GL_ATTRIBUTE_PURE. */ +#if !_GL_CONFIG_H_INCLUDED + #error "Please include config.h first." +#endif + +#include <stddef.h> + +#ifndef DOUBLE_SLASH_IS_DISTINCT_ROOT +# define DOUBLE_SLASH_IS_DISTINCT_ROOT 0 +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + +/* 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; + + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* _BASENAME_LGPL_H */ |