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: src/usr.bin/find/misc.c,v 1.7 2003/06/14 13:00:21 markm Exp $ 34 * $DragonFly: src/usr.bin/find/misc.c,v 1.5 2005/02/14 00:39:04 cpressey Exp $ 35 */ 36 37 #include <sys/types.h> 38 #include <sys/stat.h> 39 40 #include <err.h> 41 #include <errno.h> 42 #include <fts.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 47 #include "find.h" 48 49 /* 50 * brace_subst -- 51 * Replace occurrences of {} in s1 with s2 and return the result string. 52 */ 53 void 54 brace_subst(char *orig, char **store, char *path, int len) 55 { 56 int plen; 57 char ch, *p; 58 59 plen = strlen(path); 60 for (p = *store; (ch = *orig) != '\0'; ++orig) 61 if (ch == '{' && orig[1] == '}') { 62 while ((p - *store) + plen > len) 63 if (!(*store = realloc(*store, len *= 2))) 64 err(1, NULL); 65 memmove(p, path, plen); 66 p += plen; 67 ++orig; 68 } else 69 *p++ = ch; 70 *p = '\0'; 71 } 72 73 /* 74 * queryuser -- 75 * print a message to standard error and then read input from standard 76 * input. If the input is 'y' then 1 is returned. 77 */ 78 int 79 queryuser(char *argv[]) 80 { 81 int ch, first, nl; 82 83 fprintf(stderr, "\"%s", *argv); 84 while (*++argv) 85 fprintf(stderr, " %s", *argv); 86 fprintf(stderr, "\"? "); 87 fflush(stderr); 88 89 first = ch = getchar(); 90 for (nl = 0;;) { 91 if (ch == '\n') { 92 nl = 1; 93 break; 94 } 95 if (ch == EOF) 96 break; 97 ch = getchar(); 98 } 99 100 if (!nl) { 101 fprintf(stderr, "\n"); 102 fflush(stderr); 103 } 104 return (first == 'y'); 105 } 106