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Annotation of 43BSDReno/usr.bin/find/oldsyntax.c, revision 1.1.1.1

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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