| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini basename implementation for busybox |
| * |
| * Copyright (C) 1999,2000 by Lineo, inc. |
| * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> |
| * |
| * 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 |
| * |
| */ |
| |
| #include "internal.h" |
| #include <stdio.h> |
| |
| const char *basename_usage="basename FILE [SUFFIX]\n" |
| #ifndef BB_FEATURE_TRIVIAL_HELP |
| "\nStrips directory path and suffixes from FILE.\n" |
| "If specified, also removes any trailing SUFFIX.\n" |
| #endif |
| ; |
| |
| |
| extern int basename_main(int argc, char **argv) |
| { |
| int m, n; |
| char *s, *s1; |
| |
| if ((argc < 2) || (**(argv + 1) == '-')) { |
| usage(basename_usage); |
| } |
| |
| argv++; |
| |
| s1=*argv+strlen(*argv)-1; |
| while (s1 && *s1 == '/') { |
| *s1 = '\0'; |
| s1--; |
| } |
| s = strrchr(*argv, '/'); |
| if (s==NULL) s=*argv; |
| else s++; |
| |
| if (argc>2) { |
| argv++; |
| n = strlen(*argv); |
| m = strlen(s); |
| if (m>=n && strncmp(s+m-n, *argv, n)==0) |
| s[m-n] = '\0'; |
| } |
| printf("%s\n", s); |
| return(TRUE); |
| } |
| |