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path: root/tools/create_kyradat/util.cpp
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/* Scumm Tools
 * Copyright (C) 2003-2006  The ScummVM Team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

#include "util.h"
#include <stdarg.h>

#ifdef _MSC_VER
	#define	vsnprintf _vsnprintf
#endif

void error(const char *s, ...) {
	char buf[1024];
	va_list va;

	va_start(va, s);
	vsnprintf(buf, 1024, s, va);
	va_end(va);

	fprintf(stderr, "ERROR: %s!\n", buf);

	exit(1);
}

void warning(const char *s, ...) {
	char buf[1024];
	va_list va;

	va_start(va, s);
	vsnprintf(buf, 1024, s, va);
	va_end(va);

	fprintf(stderr, "WARNING: %s!\n", buf);
}

void debug(int level, const char *s, ...) {
	char buf[1024];
	va_list va;

	va_start(va, s);
	vsnprintf(buf, 1024, s, va);
	va_end(va);

	fprintf(stderr, "DEBUG: %s!\n", buf);
}

uint8 readByte(FILE *fp) {
	return fgetc(fp);
}

uint16 readUint16BE(FILE *fp) {
	uint16 ret = 0;
	ret |= fgetc(fp) << 8;
	ret |= fgetc(fp);
	return ret;
}

uint16 readUint16LE(FILE *fp) {
	uint16 ret = 0;
	ret |= fgetc(fp);
	ret |= fgetc(fp) << 8;
	return ret;
}

uint32 readUint32BE(FILE *fp) {
	uint32 ret = 0;
	ret |= fgetc(fp) << 24;
	ret |= fgetc(fp) << 16;
	ret |= fgetc(fp) << 8;
	ret |= fgetc(fp);
	return ret;
}

uint32 readUint32LE(FILE *fp) {
	uint32 ret = 0;
	ret |= fgetc(fp);
	ret |= fgetc(fp) << 8;
	ret |= fgetc(fp) << 16;
	ret |= fgetc(fp) << 24;
	return ret;
}

void writeByte(FILE *fp, uint8 b) {
	fwrite(&b, 1, 1, fp);
}

void writeUint16BE(FILE *fp, uint16 value) {
	writeByte(fp, (uint8)(value >> 8));
	writeByte(fp, (uint8)(value));
}

void writeUint16LE(FILE *fp, uint16 value) {
	writeByte(fp, (uint8)(value));
	writeByte(fp, (uint8)(value >> 8));
}

void writeUint32BE(FILE *fp, uint32 value) {
	writeByte(fp, (uint8)(value >> 24));
	writeByte(fp, (uint8)(value >> 16));
	writeByte(fp, (uint8)(value >> 8));
	writeByte(fp, (uint8)(value));
}

void writeUint32LE(FILE *fp, uint32 value) {
	writeByte(fp, (uint8)(value));
	writeByte(fp, (uint8)(value >> 8));
	writeByte(fp, (uint8)(value >> 16));
	writeByte(fp, (uint8)(value >> 24));
}

uint32 fileSize(FILE *fp) {
	uint32 sz;
	uint32 pos = ftell(fp);
	fseek(fp, 0, SEEK_END);
	sz = ftell(fp);
	fseek(fp, pos, SEEK_SET);
	return sz;
}