/*	$NetBSD: misc.c,v 1.14 2006/10/11 19:51:10 apb Exp $	*/

/*- © Portions copyright (c) 2007 Symbian Software Ltd.  All rights reserved.

 * 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.

 */

#ifdef __SYMBIAN32__

#ifdef __WINSCW__

#pragma warn_unusedarg off

#pragma warn_possunwant off

#endif//__WINSCW__

#endif//__SYMBIAN32__

#include <sys/cdefs.h>

#ifndef lint

#if 0

static char sccsid[] = "from: @(#)misc.c	8.2 (Berkeley) 4/1/94";

#else

__RCSID("$NetBSD: misc.c,v 1.14 2006/10/11 19:51:10 apb Exp $");

#endif

#endif /* not lint */

#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 <unistd.h>

#include "find.h"

/*

 * brace_subst --

 *	Replace occurrences of {} in orig with path, and place it in a malloced

 *      area of memory set in store.

 */

void

brace_subst(char *orig, char **store, char *path, int *len)

{

	int nlen, plen, rest;

	char ch, *p, *ostore;

	plen = strlen(path);

	for (p = *store; (ch = *orig) != '\0'; ++orig)

		if (ch == '{' && orig[1] == '}') {

			/* Length of string after the {}. */

			rest = strlen(&orig[2]);

			nlen = *len;

			while ((p - *store) + plen + rest + 1 > nlen)

				nlen *= 2;

			if (nlen > *len) {

				ostore = *store;

				if ((*store = realloc(ostore, nlen)) == NULL)

					printf("realloc");

				*len = nlen;

				p += *store - ostore;	/* Relocate. */

			}

			memmove(p, path, plen);

			p += plen;

			++orig;

		} else

			*p++ = ch;

	*p = '\0';

}

/*

 * queryuser --

 *	print a message to standard error and then read input from standard

 *	input. If the input is 'y' then 1 is returned.

 */

int

queryuser(char **argv)

{

	int ch, first, nl;

	(void)fprintf(stderr, "\"%s", *argv);

	while (*++argv)

		(void)fprintf(stderr, " %s", *argv);

	(void)fprintf(stderr, "\"? ");

	(void)fflush(stderr);

	first = ch = getchar();

	for (nl = 0;;) {

		if (ch == '\n') {

			nl = 1;

			break;

		}

		if (ch == EOF)

			break;

		ch = getchar();

	}

	if (!nl) {

		(void)fprintf(stderr, "\n");

		(void)fflush(stderr);

	}

        return (first == 'y');

}

/*

 * show_path --

 *	called on SIGINFO

 */

/* ARGSUSED */

void

show_path(int sig)

{

	extern FTSENT *g_entry;

	int errno_bak;

	if (g_entry == NULL) {

		/*

		 * not initialized yet.

		 * assumption: pointer assignment is atomic.

		 */

		return;

	}

	errno_bak = errno;

	write(STDERR_FILENO, "find path: ", 11);

	write(STDERR_FILENO, g_entry->fts_path, g_entry->fts_pathlen);

	write(STDERR_FILENO, "\n", 1);

	errno = errno_bak;

}