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Commit	Line	Data
	1	/*-
	2	* Copyright (c) 1990, 1993, 1994
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* Cimarron D. Taylor of the University of California, Berkeley.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	* 4. Neither the name of the University nor the names of its contributors
	17	* may be used to endorse or promote products derived from this software
	18	* without specific prior written permission.
	19	*
	20	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	21	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	22	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	23	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	24	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	25	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	26	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	27	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	28	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	29	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	30	* SUCH DAMAGE.
	31	*/
	32
	33	#ifndef lint
	34	#if 0
	35	static char sccsid[] = "@(#)misc.c 8.2 (Berkeley) 4/1/94";
	36	#else
	37	#endif
	38	#endif /* not lint */
	39
	40	#include <sys/cdefs.h>
	41	__FBSDID("$FreeBSD: src/usr.bin/find/misc.c,v 1.13 2010/12/11 08:32:16 joel Exp $");
	42
	43	#include <sys/types.h>
	44	#include <sys/stat.h>
	45
	46	#include <err.h>
	47	#include <errno.h>
	48	#include <fts.h>
	49	#include <stdio.h>
	50	#include <stdlib.h>
	51	#include <string.h>
	52
	53	#include "find.h"
	54
	55	/*
	56	* brace_subst --
	57	* Replace occurrences of {} in s1 with s2 and return the result string.
	58	*/
	59	void
	60	brace_subst(char orig, char store, char path, int len)
	61	{
	62	int plen;
	63	char ch, *p;
	64
	65	plen = strlen(path);
	66	for (p = store; (ch = orig) != '\0'; ++orig)
	67	if (ch == '{' && orig[1] == '}') {
	68	while ((p - *store) + plen > len)
	69	if (!(store = realloc(store, len *= 2)))
	70	err(1, NULL);
	71	memmove(p, path, plen);
	72	p += plen;
	73	++orig;
	74	} else
	75	*p++ = ch;
	76	*p = '\0';
	77	}
	78
	79	/*
	80	* queryuser --
	81	* print a message to standard error and then read input from standard
	82	* input. If the input is an affirmative response (according to the
	83	* current locale) then 1 is returned.
	84	*/
	85	int
	86	queryuser(char *argv[])
	87	{
	88	char *p, resp[256];
	89
	90	(void)fprintf(stderr, "\"%s", *argv);
	91	while (*++argv)
	92	(void)fprintf(stderr, " %s", *argv);
	93	(void)fprintf(stderr, "\"? ");
	94	(void)fflush(stderr);
	95
	96	if (fgets(resp, sizeof(resp), stdin) == NULL)
	97	*resp = '\0';
	98	if ((p = strchr(resp, '\n')) != NULL)
	99	*p = '\0';
	100	else {
	101	(void)fprintf(stderr, "\n");
	102	(void)fflush(stderr);
	103	}
	104
	105	return (rpmatch(resp) == 1);
	106	}