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 * 3. 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 * @(#)misc.c 8.2 (Berkeley) 4/1/94
33 * $FreeBSD: head/usr.bin/find/misc.c 216370 2010-12-11 08:32:16Z joel $
34 */
35
36 #include <sys/types.h>
37 #include <sys/stat.h>
38
39 #include <err.h>
40 #include <errno.h>
41 #include <fts.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45
46 #include "find.h"
47
48 /*
49 * brace_subst --
50 * Replace occurrences of {} in s1 with s2 and return the result string.
51 */
52 void
brace_subst(char * orig,char ** store,char * path,int len)53 brace_subst(char *orig, char **store, char *path, int len)
54 {
55 int plen;
56 char ch, *p;
57
58 plen = strlen(path);
59 for (p = *store; (ch = *orig) != '\0'; ++orig)
60 if (ch == '{' && orig[1] == '}') {
61 while ((p - *store) + plen > len)
62 if (!(*store = realloc(*store, len *= 2)))
63 err(1, NULL);
64 memmove(p, path, plen);
65 p += plen;
66 ++orig;
67 } else
68 *p++ = ch;
69 *p = '\0';
70 }
71
72 /*
73 * queryuser --
74 * print a message to standard error and then read input from standard
75 * input. If the input is an affirmative response (according to the
76 * current locale) then 1 is returned.
77 */
78 int
queryuser(char * argv[])79 queryuser(char *argv[])
80 {
81 char *p, resp[256];
82
83 (void)fprintf(stderr, "\"%s", *argv);
84 while (*++argv)
85 (void)fprintf(stderr, " %s", *argv);
86 (void)fprintf(stderr, "\"? ");
87 (void)fflush(stderr);
88
89 if (fgets(resp, sizeof(resp), stdin) == NULL)
90 *resp = '\0';
91 if ((p = strchr(resp, '\n')) != NULL)
92 *p = '\0';
93 else {
94 (void)fprintf(stderr, "\n");
95 (void)fflush(stderr);
96 }
97 return (rpmatch(resp) == 1);
98 }
99