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BSD 4.3reno

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted provided
 * that: (1) source distributions retain this entire copyright notice and
 * comment, and (2) distributions including binaries display the following
 * acknowledgement:  ``This product includes software developed by the
 * University of California, Berkeley and its contributors'' in the
 * documentation or other materials provided with the distribution and in
 * all advertising materials mentioning features or use of this software.
 * Neither the name of the University nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@(#)oldsyntax.c	5.1 (Berkeley) 5/12/90";
#endif /* not lint */

#include <stdio.h>

/*
 * oldsyntax --
 *	move the path names to the beginning of the argv array, and return
 *	a pointer to them.  The old find syntax assumes all command arguments
 *	up to the first one beginning with a '-', '(' or '!' are pathnames.
 */
char **
oldsyntax(argvp)
	char ***argvp;
{
	register char **argv;

	/*
	 * find first '-', '(' or '!' to delimit paths; if no paths, it's
	 * an error.  Shift the array back one at the same time, creating
	 * a separate array of pathnames.
	 */
	for (argv = *argvp + 1;; ++argv) {
		argv[-1] = argv[0];
		if (!*argv || **argv == '-' || **argv == '!' || **argv == '(')
			break;
	}

	if (argv == *argvp + 1)
		usage();

	argv[-1] = NULL;
	*argvp = argv;			/* move argv value */
}

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