find.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Mini find implementation for busybox
   4  *
   5  *
   6  * Copyright (C) 1999,2000 by Lineo, inc.
   7  * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
   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
  25 #include "busybox.h"
  26 #include <stdio.h>
  27 #include <unistd.h>
  28 #include <dirent.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31
  32
  33 static char *pattern = NULL;
  34 static char *directory = ".";
  35 static int dereferenceFlag = FALSE;
  36
  37 static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
  38 {
  39         if (pattern == NULL)
  40                 puts(fileName);
  41         else {
  42                 char *tmp = strrchr(fileName, '/');
  43
  44                 if (tmp == NULL)
  45                         tmp = (char *) fileName;
  46                 else
  47                         tmp++;
  48                 if (check_wildcard_match(tmp, pattern) == TRUE)
  49                         puts(fileName);
  50         }
  51         return (TRUE);
  52 }
  53
  54 int find_main(int argc, char **argv)
  55 {
  56         /* peel off the "find" */
  57         argc--;
  58         argv++;
  59
  60         if (argc > 0 && **argv != '-') {
  61                 directory = *argv;
  62                 argc--;
  63                 argv++;
  64         }
  65
  66         /* Parse any options */
  67         while (argc > 0 && **argv == '-') {
  68                 int stopit = FALSE;
  69
  70                 while (*++(*argv) && stopit == FALSE)
  71                         switch (**argv) {
  72                         case 'f':
  73                                 if (strcmp(*argv, "follow") == 0) {
  74                                         argc--;
  75                                         argv++;
  76                                         dereferenceFlag = TRUE;
  77                                 }
  78                                 break;
  79                         case 'n':
  80                                 if (strcmp(*argv, "name") == 0) {
  81                                         if (argc-- > 1) {
  82                                                 pattern = *(++argv);
  83                                                 stopit = TRUE;
  84                                         } else {
  85                                                 usage(find_usage);
  86                                         }
  87                                 }
  88                                 break;
  89                         case '-':
  90                                 /* Ignore all long options */
  91                                 break;
  92                         default:
  93                                 usage(find_usage);
  94                         }
  95                 if (argc-- > 1)
  96                         argv++;
  97                 if (**argv != '-')
  98                         break;
  99                 else
 100                         break;
 101         }
 102
 103         if (recursive_action(directory, TRUE, FALSE, FALSE,
 104                                                 fileAction, fileAction, NULL) == FALSE) {
 105                 return EXIT_FAILURE;
 106         }
 107
 108         return EXIT_SUCCESS;
 109 }