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 * $FreeBSD: src/usr.bin/find/misc.c,v 1.7 2003/06/14 13:00:21 markm Exp $ 38 * $DragonFly: src/usr.bin/find/misc.c,v 1.5 2005/02/14 00:39:04 cpressey Exp $ 39 */ 40 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 44 #include <err.h> 45 #include <errno.h> 46 #include <fts.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 51 #include "find.h" 52 53 /* 54 * brace_subst -- 55 * Replace occurrences of {} in s1 with s2 and return the result string. 56 */ 57 void 58 brace_subst(char *orig, char **store, char *path, int len) 59 { 60 int plen; 61 char ch, *p; 62 63 plen = strlen(path); 64 for (p = *store; (ch = *orig) != '\0'; ++orig) 65 if (ch == '{' && orig[1] == '}') { 66 while ((p - *store) + plen > len) 67 if (!(*store = realloc(*store, len *= 2))) 68 err(1, NULL); 69 memmove(p, path, plen); 70 p += plen; 71 ++orig; 72 } else 73 *p++ = ch; 74 *p = '\0'; 75 } 76 77 /* 78 * queryuser -- 79 * print a message to standard error and then read input from standard 80 * input. If the input is 'y' then 1 is returned. 81 */ 82 int 83 queryuser(char *argv[]) 84 { 85 int ch, first, nl; 86 87 fprintf(stderr, "\"%s", *argv); 88 while (*++argv) 89 fprintf(stderr, " %s", *argv); 90 fprintf(stderr, "\"? "); 91 fflush(stderr); 92 93 first = ch = getchar(); 94 for (nl = 0;;) { 95 if (ch == '\n') { 96 nl = 1; 97 break; 98 } 99 if (ch == EOF) 100 break; 101 ch = getchar(); 102 } 103 104 if (!nl) { 105 fprintf(stderr, "\n"); 106 fflush(stderr); 107 } 108 return (first == 'y'); 109 } 110