| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini find implementation for busybox |
| * |
| * |
| * Copyright (C) 1999 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 "regexp.h" |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <dirent.h> |
| |
| |
| static char *pattern = NULL; |
| static char *directory = "."; |
| static int dereferenceFlag = FALSE; |
| |
| static const char find_usage[] = "find [PATH...] [EXPRESSION]\n\n" |
| "Search for files in a directory hierarchy. The default PATH is\n" |
| "the current directory; default EXPRESSION is '-print'\n\n" |
| "\nEXPRESSION may consist of:\n" |
| "\t-follow\n\t\tDereference symbolic links.\n" |
| "\t-name PATTERN\n\t\tFile name (with leading directories removed) matches PATTERN.\n" |
| "\t-print\n\t\tprint the full file name followed by a newline to stdout.\n\n" |
| #if defined BB_REGEXP |
| "This version of find matches full regular expresions.\n"; |
| #else |
| "This version of find matches strings (not regular expresions).\n"; |
| #endif |
| |
| |
| |
| static int fileAction(const char *fileName, struct stat *statbuf) |
| { |
| if (pattern == NULL) |
| fprintf(stdout, "%s\n", fileName); |
| else { |
| char *tmp = strrchr(fileName, '/'); |
| |
| if (tmp == NULL) |
| tmp = (char *) fileName; |
| else |
| tmp++; |
| if (check_wildcard_match(tmp, pattern) == TRUE) |
| fprintf(stdout, "%s\n", fileName); |
| } |
| return (TRUE); |
| } |
| |
| int find_main(int argc, char **argv) |
| { |
| /* peel off the "find" */ |
| argc--; |
| argv++; |
| |
| if (argc > 0 && **argv != '-') { |
| directory = *argv; |
| argc--; |
| argv++; |
| } |
| |
| /* Parse any options */ |
| while (argc > 0 && **argv == '-') { |
| int stopit = FALSE; |
| |
| while (*++(*argv) && stopit == FALSE) |
| switch (**argv) { |
| case 'f': |
| if (strcmp(*argv, "follow") == 0) { |
| argc--; |
| argv++; |
| dereferenceFlag = TRUE; |
| } |
| break; |
| case 'n': |
| if (strcmp(*argv, "name") == 0) { |
| if (argc-- > 1) { |
| pattern = *(++argv); |
| stopit = TRUE; |
| } else { |
| usage(find_usage); |
| } |
| } |
| break; |
| case '-': |
| /* Ignore all long options */ |
| break; |
| default: |
| usage(find_usage); |
| } |
| if (argc-- > 1) |
| argv++; |
| if (**argv != '-') |
| break; |
| else |
| break; |
| } |
| |
| if (recursiveAction(directory, TRUE, FALSE, FALSE, |
| fileAction, fileAction) == FALSE) { |
| exit(FALSE); |
| } |
| |
| exit(TRUE); |
| } |