Changed bb_regcomp to xregcomp and #if 0'ed out destroy_cmd_strs in sed.c

[oweals/busybox.git] / find.c

diff --git a/find.c b/find.c
index b3ac1ff5a99a7fd3559f38d55a05d754e9de404f..e18f3c569d19266869fcffcf979bbf82138f921a 100644 (file)
--- a/find.c
+++ b/find.c
@@ -1,23 +1,119 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini find 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 <errno.h>
 #include <stdio.h>
+#include <unistd.h>
+#include <dirent.h>
+
+
+static char *pattern = NULL;
+static char *directory = ".";
+static int dereferenceFlag = FALSE;
 
-const char     find_usage[] = "find dir [pattern]\n"
-"\n"
-"\tFind files.\n";
+static const char find_usage[] = "find [PATH...] [EXPRESSION]\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+       "\nSearch 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\t\tDereference symbolic links.\n"
+       "\t-name PATTERN\tFile name (leading directories removed) matches PATTERN.\n"
+       "\t-print\t\tprint the full file name followed by a newline to stdout.\n"
+#endif
+       ;
 
-extern int
-find_main(struct FileInfo * i, int argc, char * * argv)
+
+static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
 {
-       i->recursive=1;
-       i->processDirectoriesAfterTheirContents=1;
-       return monadic_main(i, argc, argv);
+       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);
 }
 
-extern int
-find_fn(const struct FileInfo * i)
+int find_main(int argc, char **argv)
 {
-       printf("%s\n",i->source);
+       /* 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, NULL) == FALSE) {
+               exit(FALSE);
+       }
 
-       return(0);      
+       return(TRUE);
 }