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 #include <sys/cdefs.h> 44 __FBSDID("$FreeBSD$"); 45 46 #include <sys/types.h> 47 #include <sys/stat.h> 48 49 #include <err.h> 50 #include <errno.h> 51 #include <fts.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 56 #include "find.h" 57 58 /* 59 * brace_subst -- 60 * Replace occurrences of {} in s1 with s2 and return the result string. 61 */ 62 void 63 brace_subst(orig, store, path, len) 64 char *orig, **store, *path; 65 int len; 66 { 67 int plen; 68 char ch, *p; 69 70 plen = strlen(path); 71 for (p = *store; (ch = *orig) != '\0'; ++orig) 72 if (ch == '{' && orig[1] == '}') { 73 while ((p - *store) + plen > len) 74 if (!(*store = realloc(*store, len *= 2))) 75 err(1, NULL); 76 memmove(p, path, plen); 77 p += plen; 78 ++orig; 79 } else 80 *p++ = ch; 81 *p = '\0'; 82 } 83 84 /* 85 * queryuser -- 86 * print a message to standard error and then read input from standard 87 * input. If the input is 'y' then 1 is returned. 88 */ 89 int 90 queryuser(argv) 91 char **argv; 92 { 93 int ch, first, nl; 94 95 (void)fprintf(stderr, "\"%s", *argv); 96 while (*++argv) 97 (void)fprintf(stderr, " %s", *argv); 98 (void)fprintf(stderr, "\"? "); 99 (void)fflush(stderr); 100 101 first = ch = getchar(); 102 for (nl = 0;;) { 103 if (ch == '\n') { 104 nl = 1; 105 break; 106 } 107 if (ch == EOF) 108 break; 109 ch = getchar(); 110 } 111 112 if (!nl) { 113 (void)fprintf(stderr, "\n"); 114 (void)fflush(stderr); 115 } 116 return (first == 'y'); 117 } 118