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Annotation of prex-old/usr/bin/rm/rm.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * Copyright (c) 2005-2006, Kohsuke Ohtani
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. Neither the name of the author nor the names of any co-contributors
        !            14:  *    may be used to endorse or promote products derived from this software
        !            15:  *    without specific prior written permission.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: #include <unistd.h>
        !            31: #include <errno.h>
        !            32: #include <stdlib.h>
        !            33: #include <stdio.h>
        !            34:
        !            35: #ifdef CMDBOX
        !            36: #define main(argc, argv)       rm_main(argc, argv)
        !            37: #endif
        !            38:
        !            39: static void
        !            40: usage(void)
        !            41: {
        !            42:
        !            43:        fprintf(stderr, "usage: rm file...\n");
        !            44:        exit(1);
        !            45: }
        !            46:
        !            47: int
        !            48: main(int argc, char *argv[])
        !            49: {
        !            50:        int ch, rc;
        !            51:
        !            52:        while ((ch = getopt(argc, argv, "")) != -1)
        !            53:                switch(ch) {
        !            54:                case '?':
        !            55:                default:
        !            56:                        usage();
        !            57:                }
        !            58:        argc -= optind;
        !            59:        argv += optind;
        !            60:
        !            61:        if (argc == 0) {
        !            62:                usage();
        !            63:                return 0;
        !            64:        }
        !            65:        rc = 0;
        !            66:        do {
        !            67:                if ((rc = unlink(*argv)) < 0)
        !            68:                        break;
        !            69:                ++argv;
        !            70:        } while (*argv);
        !            71:
        !            72:        exit(rc);
        !            73: }