misc.c revision 91400
11590Srgrimes/*- 21590Srgrimes * Copyright (c) 1990, 1993, 1994 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * This code is derived from software contributed to Berkeley by 61590Srgrimes * Cimarron D. Taylor of the University of California, Berkeley. 71590Srgrimes * 81590Srgrimes * Redistribution and use in source and binary forms, with or without 91590Srgrimes * modification, are permitted provided that the following conditions 101590Srgrimes * are met: 111590Srgrimes * 1. Redistributions of source code must retain the above copyright 121590Srgrimes * notice, this list of conditions and the following disclaimer. 131590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141590Srgrimes * notice, this list of conditions and the following disclaimer in the 151590Srgrimes * documentation and/or other materials provided with the distribution. 161590Srgrimes * 3. All advertising materials mentioning features or use of this software 171590Srgrimes * must display the following acknowledgement: 181590Srgrimes * This product includes software developed by the University of 191590Srgrimes * California, Berkeley and its contributors. 201590Srgrimes * 4. Neither the name of the University nor the names of its contributors 211590Srgrimes * may be used to endorse or promote products derived from this software 221590Srgrimes * without specific prior written permission. 231590Srgrimes * 241590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341590Srgrimes * SUCH DAMAGE. 351590Srgrimes */ 361590Srgrimes 371590Srgrimes#ifndef lint 3861575Sroberto#if 0 391590Srgrimesstatic char sccsid[] = "@(#)misc.c 8.2 (Berkeley) 4/1/94"; 4061575Sroberto#else 4161575Srobertostatic const char rcsid[] = 4261575Sroberto "$FreeBSD: head/usr.bin/find/misc.c 91400 2002-02-27 17:57:00Z dwmalone $"; 4361575Sroberto#endif 441590Srgrimes#endif /* not lint */ 451590Srgrimes 461590Srgrimes#include <sys/types.h> 471590Srgrimes#include <sys/stat.h> 481590Srgrimes 491590Srgrimes#include <err.h> 501590Srgrimes#include <errno.h> 511590Srgrimes#include <fts.h> 521590Srgrimes#include <stdio.h> 531590Srgrimes#include <stdlib.h> 541590Srgrimes#include <string.h> 551590Srgrimes 561590Srgrimes#include "find.h" 578874Srgrimes 581590Srgrimes/* 591590Srgrimes * brace_subst -- 601590Srgrimes * Replace occurrences of {} in s1 with s2 and return the result string. 611590Srgrimes */ 621590Srgrimesvoid 631590Srgrimesbrace_subst(orig, store, path, len) 641590Srgrimes char *orig, **store, *path; 651590Srgrimes int len; 661590Srgrimes{ 6791400Sdwmalone int plen; 6891400Sdwmalone char ch, *p; 691590Srgrimes 701590Srgrimes plen = strlen(path); 711590Srgrimes for (p = *store; (ch = *orig) != '\0'; ++orig) 721590Srgrimes if (ch == '{' && orig[1] == '}') { 731590Srgrimes while ((p - *store) + plen > len) 741590Srgrimes if (!(*store = realloc(*store, len *= 2))) 751590Srgrimes err(1, NULL); 761590Srgrimes memmove(p, path, plen); 771590Srgrimes p += plen; 781590Srgrimes ++orig; 791590Srgrimes } else 801590Srgrimes *p++ = ch; 811590Srgrimes *p = '\0'; 821590Srgrimes} 831590Srgrimes 841590Srgrimes/* 851590Srgrimes * queryuser -- 861590Srgrimes * print a message to standard error and then read input from standard 871590Srgrimes * input. If the input is 'y' then 1 is returned. 881590Srgrimes */ 891590Srgrimesint 901590Srgrimesqueryuser(argv) 9191400Sdwmalone char **argv; 921590Srgrimes{ 931590Srgrimes int ch, first, nl; 941590Srgrimes 951590Srgrimes (void)fprintf(stderr, "\"%s", *argv); 961590Srgrimes while (*++argv) 971590Srgrimes (void)fprintf(stderr, " %s", *argv); 981590Srgrimes (void)fprintf(stderr, "\"? "); 991590Srgrimes (void)fflush(stderr); 1001590Srgrimes 1011590Srgrimes first = ch = getchar(); 1021590Srgrimes for (nl = 0;;) { 1031590Srgrimes if (ch == '\n') { 1041590Srgrimes nl = 1; 1051590Srgrimes break; 1061590Srgrimes } 1071590Srgrimes if (ch == EOF) 1081590Srgrimes break; 1091590Srgrimes ch = getchar(); 1101590Srgrimes } 1111590Srgrimes 1121590Srgrimes if (!nl) { 1131590Srgrimes (void)fprintf(stderr, "\n"); 1141590Srgrimes (void)fflush(stderr); 1151590Srgrimes } 1161590Srgrimes return (first == 'y'); 1171590Srgrimes} 118