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 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)misc.c 8.2 (Berkeley) 4/1/94"; 40 #else 41 #endif 42 #endif /* not lint */ 43 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 46 47 #include <sys/types.h> 48 #include <sys/stat.h> 49 50 #include <err.h> 51 #include <errno.h> 52 #include <fts.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 57 #include "find.h" 58 59 /* 60 * brace_subst -- 61 * Replace occurrences of {} in s1 with s2 and return the result string. 62 */ 63 void 64 brace_subst(char *orig, char **store, char *path, int len) 65 { 66 int plen; 67 char ch, *p; 68 69 plen = strlen(path); 70 for (p = *store; (ch = *orig) != '\0'; ++orig) 71 if (ch == '{' && orig[1] == '}') { 72 while ((p - *store) + plen > len) 73 if (!(*store = realloc(*store, len *= 2))) 74 err(1, NULL); 75 memmove(p, path, plen); 76 p += plen; 77 ++orig; 78 } else 79 *p++ = ch; 80 *p = '\0'; 81 } 82 83 /* 84 * queryuser -- 85 * print a message to standard error and then read input from standard 86 * input. If the input is 'y' then 1 is returned. 87 */ 88 int 89 queryuser(char *argv[]) 90 { 91 int ch, first, nl; 92 93 (void)fprintf(stderr, "\"%s", *argv); 94 while (*++argv) 95 (void)fprintf(stderr, " %s", *argv); 96 (void)fprintf(stderr, "\"? "); 97 (void)fflush(stderr); 98 99 first = ch = getchar(); 100 for (nl = 0;;) { 101 if (ch == '\n') { 102 nl = 1; 103 break; 104 } 105 if (ch == EOF) 106 break; 107 ch = getchar(); 108 } 109 110 if (!nl) { 111 (void)fprintf(stderr, "\n"); 112 (void)fflush(stderr); 113 } 114 return (first == 'y'); 115 } 116