findutils/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
  30
  31 static char *pattern = NULL;
  32 static char *directory = ".";
  33 static int dereferenceFlag = FALSE;
  34
  35 static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
  36 {
  37         if (pattern == NULL)
  38                 fprintf(stdout, "%s\n", fileName);
  39         else {
  40                 char *tmp = strrchr(fileName, '/');
  41
  42                 if (tmp == NULL)
  43                         tmp = (char *) fileName;
  44                 else
  45                         tmp++;
  46                 if (check_wildcard_match(tmp, pattern) == TRUE)
  47                         fprintf(stdout, "%s\n", fileName);
  48         }
  49         return (TRUE);
  50 }
  51
  52 int find_main(int argc, char **argv)
  53 {
  54         /* peel off the "find" */
  55         argc--;
  56         argv++;
  57
  58         if (argc > 0 && **argv != '-') {
  59                 directory = *argv;
  60                 argc--;
  61                 argv++;
  62         }
  63
  64         /* Parse any options */
  65         while (argc > 0 && **argv == '-') {
  66                 int stopit = FALSE;
  67
  68                 while (*++(*argv) && stopit == FALSE)
  69                         switch (**argv) {
  70                         case 'f':
  71                                 if (strcmp(*argv, "follow") == 0) {
  72                                         argc--;
  73                                         argv++;
  74                                         dereferenceFlag = TRUE;
  75                                 }
  76                                 break;
  77                         case 'n':
  78                                 if (strcmp(*argv, "name") == 0) {
  79                                         if (argc-- > 1) {
  80                                                 pattern = *(++argv);
  81                                                 stopit = TRUE;
  82                                         } else {
  83                                                 usage(find_usage);
  84                                         }
  85                                 }
  86                                 break;
  87                         case '-':
  88                                 /* Ignore all long options */
  89                                 break;
  90                         default:
  91                                 usage(find_usage);
  92                         }
  93                 if (argc-- > 1)
  94                         argv++;
  95                 if (**argv != '-')
  96                         break;
  97                 else
  98                         break;
  99         }
 100
 101         if (recursiveAction(directory, TRUE, FALSE, FALSE,
 102                                                 fileAction, fileAction, NULL) == FALSE) {
 103                 exit(FALSE);
 104         }
 105
 106         return(TRUE);
 107 }