made note of my recent changes

[oweals/busybox.git] / find.c

diff --git a/find.c b/find.c
index b3ac1ff5a99a7fd3559f38d55a05d754e9de404f..40a508f051d6b1892985fff5d92a43dc871eebba 100644 (file)
--- a/find.c
+++ b/find.c
@@ -1,23 +1,119 @@
+/*
+ * 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 <errno.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
 
-const char     find_usage[] = "find dir [pattern]\n"
-"\n"
-"\tFind files.\n";
 
-extern int
-find_main(struct FileInfo * i, int argc, char * * argv)
+
+static int fileAction(const char *fileName, struct stat* statbuf)
 {
-       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) == FALSE) {
+       exit( FALSE);
+    }
 
-       return(0);      
+    exit(TRUE);
 }