1 /*- 2 * Copyright (c) 1990, 1993 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 /*static char sccsid[] = "from: @(#)misc.c 8.1 (Berkeley) 6/6/93";*/ 39 static char rcsid[] = "$Id: misc.c,v 1.3 1993/12/30 21:15:28 jtc Exp $"; 40 #endif /* not lint */ 41 42 #include <sys/types.h> 43 #include <sys/stat.h> 44 45 #include <err.h> 46 #include <errno.h> 47 #include <fts.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 52 #include "find.h" 53 54 /* 55 * brace_subst -- 56 * Replace occurrences of {} in s1 with s2 and return the result string. 57 */ 58 void 59 brace_subst(orig, store, path, len) 60 char *orig, **store, *path; 61 int len; 62 { 63 register int plen; 64 register char ch, *p; 65 66 plen = strlen(path); 67 for (p = *store; ch = *orig; ++orig) 68 if (ch == '{' && orig[1] == '}') { 69 while ((p - *store) + plen > len) 70 if (!(*store = realloc(*store, len *= 2))) 71 err(1, NULL); 72 memmove(p, path, plen); 73 p += plen; 74 ++orig; 75 } else 76 *p++ = ch; 77 *p = '\0'; 78 } 79 80 /* 81 * queryuser -- 82 * print a message to standard error and then read input from standard 83 * input. If the input is 'y' then 1 is returned. 84 */ 85 int 86 queryuser(argv) 87 register char **argv; 88 { 89 int ch, first, nl; 90 91 (void)fprintf(stderr, "\"%s", *argv); 92 while (*++argv) 93 (void)fprintf(stderr, " %s", *argv); 94 (void)fprintf(stderr, "\"? "); 95 (void)fflush(stderr); 96 97 first = ch = getchar(); 98 for (nl = 0;;) { 99 if (ch == '\n') { 100 nl = 1; 101 break; 102 } 103 if (ch == EOF) 104 break; 105 ch = getchar(); 106 } 107 108 if (!nl) { 109 (void)fprintf(stderr, "\n"); 110 (void)fflush(stderr); 111 } 112 return (first == 'y'); 113 } 114 115 /* 116 * emalloc -- 117 * malloc with error checking. 118 */ 119 void * 120 emalloc(len) 121 u_int len; 122 { 123 void *p; 124 125 if (p = malloc(len)) 126 return (p); 127 err(1, NULL); 128 } 129