diff options
Diffstat (limited to 'release/src/router/busybox/libbb/get_last_path_component.c')
-rw-r--r-- | release/src/router/busybox/libbb/get_last_path_component.c | 87 |
1 files changed, 29 insertions, 58 deletions
diff --git a/release/src/router/busybox/libbb/get_last_path_component.c b/release/src/router/busybox/libbb/get_last_path_component.c index f1ddfbde..7c99116e 100644 --- a/release/src/router/busybox/libbb/get_last_path_component.c +++ b/release/src/router/busybox/libbb/get_last_path_component.c @@ -1,71 +1,42 @@ /* vi: set sw=4 ts=4: */ /* - * Utility routines. + * bb_get_last_path_component implementation for busybox * - * Copyright (C) tons of folks. Tracking down who wrote what - * isn't something I'm going to worry about... If you wrote something - * here, please feel free to acknowledge your work. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Based in part on code from sash, Copyright (c) 1999 by David I. Bell - * Permission has been granted to redistribute this code under the GPL. + * Copyright (C) 2001 Manuel Novoa III <mjn3@codepoet.org> * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include <stdio.h> -#include <string.h> #include "libbb.h" - - -char *get_last_path_component(char *path) +/* + * "/" -> "/" + * "abc" -> "abc" + * "abc/def" -> "def" + * "abc/def/" -> "" + */ +char* FAST_FUNC bb_get_last_path_component_nostrip(const char *path) { - char *s; - register char *ptr = path; - register char *prev = 0; + char *slash = strrchr(path, '/'); - while (*ptr) - ptr++; - s = ptr - 1; + if (!slash || (slash == path && !slash[1])) + return (char*)path; - /* strip trailing slashes */ - while (s != path && *s == '/') { - *s-- = '\0'; - } - - /* find last component */ - ptr = path; - while (*ptr != '\0') { - if (*ptr == '/') - prev = ptr; - ptr++; - } - s = prev; - - if (s == NULL || s[1] == '\0') - return path; - else - return s+1; + return slash + 1; } - -/* END CODE */ /* -Local Variables: -c-file-style: "linux" -c-basic-offset: 4 -tab-width: 4 -End: -*/ + * "/" -> "/" + * "abc" -> "abc" + * "abc/def" -> "def" + * "abc/def/" -> "def" !! + */ +char* FAST_FUNC bb_get_last_path_component_strip(char *path) +{ + char *slash = last_char_is(path, '/'); + + if (slash) + while (*slash == '/' && slash != path) + *slash-- = '\0'; + + return bb_get_last_path_component_nostrip(path); +} |