Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Mini find implementation for busybox |
| 4 | * |
Eric Andersen | c499601 | 1999-10-20 22:08:37 +0000 | [diff] [blame] | 5 | * |
| 6 | * Copyright (C) 1999 by Lineo, inc. |
| 7 | * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | * |
| 23 | */ |
| 24 | |
Eric Andersen | aa0765e | 1999-10-22 04:30:20 +0000 | [diff] [blame] | 25 | #include "internal.h" |
| 26 | #include "regexp.h" |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 27 | #include <stdio.h> |
| 28 | #include <unistd.h> |
| 29 | #include <dirent.h> |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 30 | |
| 31 | |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 32 | static char *pattern = NULL; |
| 33 | static char *directory = "."; |
| 34 | static int dereferenceFlag = FALSE; |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 35 | |
Eric Andersen | d73dc5b | 1999-11-10 23:13:02 +0000 | [diff] [blame] | 36 | static const char find_usage[] = "find [PATH...] [EXPRESSION]\n\n" |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 37 | "Search for files in a directory hierarchy. The default PATH is\n" |
| 38 | "the current directory; default EXPRESSION is '-print'\n\n" |
| 39 | "\nEXPRESSION may consist of:\n" |
| 40 | "\t-follow\n\t\tDereference symbolic links.\n" |
| 41 | "\t-name PATTERN\n\t\tFile name (with leading directories removed) matches PATTERN.\n" |
Erik Andersen | 4d05431 | 2000-02-10 07:31:15 +0000 | [diff] [blame^] | 42 | "\t-print\n\t\tprint the full file name followed by a newline to stdout.\n"; |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 43 | |
| 44 | |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 45 | static int fileAction(const char *fileName, struct stat *statbuf) |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 46 | { |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 47 | if (pattern == NULL) |
| 48 | fprintf(stdout, "%s\n", fileName); |
| 49 | else { |
| 50 | char *tmp = strrchr(fileName, '/'); |
| 51 | |
| 52 | if (tmp == NULL) |
| 53 | tmp = (char *) fileName; |
| 54 | else |
| 55 | tmp++; |
| 56 | if (check_wildcard_match(tmp, pattern) == TRUE) |
| 57 | fprintf(stdout, "%s\n", fileName); |
| 58 | } |
| 59 | return (TRUE); |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 60 | } |
| 61 | |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 62 | int find_main(int argc, char **argv) |
| 63 | { |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 64 | /* peel off the "find" */ |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 65 | argc--; |
| 66 | argv++; |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 67 | |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 68 | if (argc > 0 && **argv != '-') { |
| 69 | directory = *argv; |
| 70 | argc--; |
| 71 | argv++; |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 72 | } |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 73 | |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 74 | /* Parse any options */ |
| 75 | while (argc > 0 && **argv == '-') { |
| 76 | int stopit = FALSE; |
Eric Andersen | aa0765e | 1999-10-22 04:30:20 +0000 | [diff] [blame] | 77 | |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 78 | while (*++(*argv) && stopit == FALSE) |
| 79 | switch (**argv) { |
| 80 | case 'f': |
| 81 | if (strcmp(*argv, "follow") == 0) { |
| 82 | argc--; |
| 83 | argv++; |
| 84 | dereferenceFlag = TRUE; |
| 85 | } |
| 86 | break; |
| 87 | case 'n': |
| 88 | if (strcmp(*argv, "name") == 0) { |
| 89 | if (argc-- > 1) { |
| 90 | pattern = *(++argv); |
| 91 | stopit = TRUE; |
| 92 | } else { |
| 93 | usage(find_usage); |
| 94 | } |
| 95 | } |
| 96 | break; |
| 97 | case '-': |
| 98 | /* Ignore all long options */ |
| 99 | break; |
| 100 | default: |
| 101 | usage(find_usage); |
| 102 | } |
| 103 | if (argc-- > 1) |
| 104 | argv++; |
| 105 | if (**argv != '-') |
| 106 | break; |
| 107 | else |
| 108 | break; |
| 109 | } |
| 110 | |
| 111 | if (recursiveAction(directory, TRUE, FALSE, FALSE, |
| 112 | fileAction, fileAction) == FALSE) { |
| 113 | exit(FALSE); |
| 114 | } |
| 115 | |
| 116 | exit(TRUE); |
Eric Andersen | 17d49ef | 1999-10-06 20:25:32 +0000 | [diff] [blame] | 117 | } |