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("$FreeBSD$"); 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 return (rpmatch(resp) == 1); 105 } 106