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 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 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