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