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