120 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			2.9 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 {
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	char* tmp = strrchr( fileName, '/');
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	if (tmp == NULL)
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	    tmp = (char*)fileName;
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	else
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	    tmp++;
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	if (check_wildcard_match(tmp, pattern) == TRUE)
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	    fprintf(stdout, "%s\n", fileName);
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    }
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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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