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

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)oldsyntax.c        5.1 (Berkeley) 5/12/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: #include <stdio.h>
        !            25: 
        !            26: /*
        !            27:  * oldsyntax --
        !            28:  *     move the path names to the beginning of the argv array, and return
        !            29:  *     a pointer to them.  The old find syntax assumes all command arguments
        !            30:  *     up to the first one beginning with a '-', '(' or '!' are pathnames.
        !            31:  */
        !            32: char **
        !            33: oldsyntax(argvp)
        !            34:        char ***argvp;
        !            35: {
        !            36:        register char **argv;
        !            37: 
        !            38:        /*
        !            39:         * find first '-', '(' or '!' to delimit paths; if no paths, it's
        !            40:         * an error.  Shift the array back one at the same time, creating
        !            41:         * a separate array of pathnames.
        !            42:         */
        !            43:        for (argv = *argvp + 1;; ++argv) {
        !            44:                argv[-1] = argv[0];
        !            45:                if (!*argv || **argv == '-' || **argv == '!' || **argv == '(')
        !            46:                        break;
        !            47:        }
        !            48: 
        !            49:        if (argv == *argvp + 1)
        !            50:                usage();
        !            51: 
        !            52:        argv[-1] = NULL;
        !            53:        *argvp = argv;                  /* move argv value */
        !            54: }

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