mirror of
https://github.com/topjohnwu/ndk-busybox.git
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97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini chmod implementation for busybox
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*
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* Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
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* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
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*
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* Reworked by (C) 2002 Vladimir Oleynik <dzo@simtreas.ru>
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* to correctly parse '-rwxgoa'
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <getopt.h>
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#include "busybox.h"
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static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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{
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if (!parse_mode((char *)junk, &(statbuf->st_mode)))
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error_msg_and_die( "unknown mode: %s", (char *)junk);
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if (chmod(fileName, statbuf->st_mode) == 0)
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return (TRUE);
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perror(fileName);
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return (FALSE);
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}
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int chmod_main(int argc, char **argv)
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{
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int opt;
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int recursiveFlag = FALSE;
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int modeind = 0; /* Index of the mode argument in `argv'. */
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char *smode;
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static const char chmod_modes[] = "Rrwxstugoa,+-=";
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/* do normal option parsing */
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while (1) {
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int thisind = optind ? optind : 1;
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opt = getopt(argc, argv, chmod_modes);
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if (opt == EOF)
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break;
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smode = strchr(chmod_modes, opt);
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if(smode == NULL)
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show_usage();
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if(smode == chmod_modes) { /* 'R' */
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recursiveFlag = TRUE;
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} else {
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if (modeind != 0 && modeind != thisind)
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show_usage();
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modeind = thisind;
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}
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}
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if (modeind == 0)
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modeind = optind++;
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opt = optind;
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if (opt >= argc) {
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error_msg_and_die(too_few_args);
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}
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smode = argv[modeind];
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/* Ok, ready to do the deed now */
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for (; opt < argc; opt++) {
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if (! recursive_action (argv[opt], recursiveFlag, FALSE, FALSE, fileAction,
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fileAction, smode)) {
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return EXIT_FAILURE;
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}
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}
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return EXIT_SUCCESS;
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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