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Annotation of 43BSDReno/usr.bin/dirname/dirname.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1987 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: char copyright[] =
        !            22: "@(#) Copyright (c) 1987 Regents of the University of California.\n\
        !            23:  All rights reserved.\n";
        !            24: #endif /* not lint */
        !            25: 
        !            26: #ifndef lint
        !            27: static char sccsid[] = "@(#)dirname.c  5.5 (Berkeley) 6/1/90";
        !            28: #endif /* not lint */
        !            29: 
        !            30: #include <stdio.h>
        !            31: 
        !            32: main(argc, argv)
        !            33:        int argc;
        !            34:        char **argv;
        !            35: {
        !            36:        char *p, *rindex();
        !            37: 
        !            38:        if (argc != 2) {
        !            39:                fprintf(stderr, "usage: dirname path\n");
        !            40:                exit(1);
        !            41:        }
        !            42:        if (p = rindex(*++argv, '/'))
        !            43:                if (p > *argv)
        !            44:                        *p = '\0';
        !            45:                else
        !            46:                        *++p = '\0';
        !            47:        else
        !            48:                *argv = ".";
        !            49:        printf("%s\n", *argv);
        !            50:        exit(0);
        !            51: }

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