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113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
/*
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* Mini find implementation for busybox
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*
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*
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* Copyright (C) 1999 by Lineo, inc.
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* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include "regexp.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <dirent.h>
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static char* pattern=NULL;
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static char* directory=".";
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static int dereferenceFlag=FALSE;
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static const char find_usage[] = "find [PATH...] [EXPRESSION]\n\n"
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"Search for files in a directory hierarchy. The default PATH is\n"
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"the current directory; default EXPRESSION is '-print'\n\n"
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"\nEXPRESSION may consist of:\n"
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"\t-follow\n\t\tDereference symbolic links.\n"
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"\t-name PATTERN\n\t\tFile name (with leading directories removed) matches PATTERN.\n"
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"\t-print\n\t\tprint the full file name followed by a newline to stdout.\n\n"
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#if defined BB_REGEXP
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"This version of find matches full regular expresions.\n";
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#else
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"This version of find matches strings (not regular expresions).\n";
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#endif
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static int fileAction(const char *fileName, struct stat* statbuf)
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{
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if (pattern==NULL)
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fprintf(stdout, "%s\n", fileName);
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else if (find_match((char*)fileName, pattern, TRUE) == TRUE)
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fprintf(stdout, "%s\n", fileName);
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return( TRUE);
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}
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int find_main(int argc, char **argv)
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{
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/* peel off the "find" */
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argc--;
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argv++;
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if ( argc > 0 && **argv != '-') {
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directory=*argv;
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argc--;
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argv++;
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}
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/* Parse any options */
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while (argc > 0 && **argv == '-') {
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int stopit=FALSE;
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while (*++(*argv) && stopit==FALSE) switch (**argv) {
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case 'f':
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if (strcmp(*argv, "follow")==0) {
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argc--;
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argv++;
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dereferenceFlag=TRUE;
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}
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break;
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case 'n':
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if (strcmp(*argv, "name")==0) {
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if (argc-- > 1) {
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pattern=*(++argv);
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stopit=-TRUE;
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} else {
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usage (find_usage);
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}
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}
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break;
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case '-':
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/* Ignore all long options */
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break;
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default:
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usage (find_usage);
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}
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if (argc-- > 1)
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argv++;
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if (**argv != '-')
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break;
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else
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break;
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}
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if (recursiveAction(directory, TRUE, FALSE, FALSE,
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fileAction, fileAction) == FALSE) {
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exit( FALSE);
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}
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exit(TRUE);
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}
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