115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Cimarron D. Taylor of the University of California, Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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static char sccsid[] = "@(#)misc.c 8.2 (Berkeley) 4/1/94";
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <fts.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "find.h"
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/*
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* brace_subst --
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* Replace occurrences of {} in s1 with s2 and return the result string.
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*/
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void
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brace_subst(char *orig, char **store, char *path, size_t len)
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{
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const char *pastorigend, *p, *q;
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char *dst;
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size_t newlen, plen;
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plen = strlen(path);
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newlen = strlen(orig) + 1;
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pastorigend = orig + newlen;
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for (p = orig; (q = strstr(p, "{}")) != NULL; p = q + 2) {
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if (plen > 2 && newlen + plen - 2 < newlen)
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errx(2, "brace_subst overflow");
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newlen += plen - 2;
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}
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if (newlen > len) {
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*store = reallocf(*store, newlen);
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if (*store == NULL)
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err(2, NULL);
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}
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dst = *store;
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for (p = orig; (q = strstr(p, "{}")) != NULL; p = q + 2) {
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memcpy(dst, p, q - p);
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dst += q - p;
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memcpy(dst, path, plen);
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dst += plen;
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}
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memcpy(dst, p, pastorigend - p);
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}
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/*
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* queryuser --
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* print a message to standard error and then read input from standard
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* input. If the input is an affirmative response (according to the
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* current locale) then 1 is returned.
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*/
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int
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queryuser(char *argv[])
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{
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char *p, resp[256];
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(void)fprintf(stderr, "\"%s", *argv);
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while (*++argv)
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(void)fprintf(stderr, " %s", *argv);
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(void)fprintf(stderr, "\"? ");
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(void)fflush(stderr);
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if (fgets(resp, sizeof(resp), stdin) == NULL)
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*resp = '\0';
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if ((p = strchr(resp, '\n')) != NULL)
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*p = '\0';
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else {
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(void)fprintf(stderr, "\n");
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(void)fflush(stderr);
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}
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return (rpmatch(resp) == 1);
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}
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