mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 01:39:57 +00:00
153 lines
3.3 KiB
C++
153 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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// Disable symbol overrides so that we can use system headers.
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#define FORBIDDEN_SYMBOL_ALLOW_ALL
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#include "util.h"
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#include <stdarg.h>
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#ifdef _MSC_VER
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#define vsnprintf _vsnprintf
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#endif
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void error(const char *s, ...) {
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char buf[1024];
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va_list va;
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va_start(va, s);
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vsnprintf(buf, 1024, s, va);
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va_end(va);
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fprintf(stderr, "ERROR: %s!\n", buf);
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exit(1);
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}
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void warning(const char *s, ...) {
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char buf[1024];
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va_list va;
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va_start(va, s);
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vsnprintf(buf, 1024, s, va);
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va_end(va);
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fprintf(stderr, "WARNING: %s!\n", buf);
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}
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int scumm_stricmp(const char *s1, const char *s2) {
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byte l1, l2;
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do {
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// Don't use ++ inside tolower, in case the macro uses its
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// arguments more than once.
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l1 = (byte)*s1++;
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l1 = tolower(l1);
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l2 = (byte)*s2++;
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l2 = tolower(l2);
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} while (l1 == l2 && l1 != 0);
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return l1 - l2;
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}
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void debug(int level, const char *s, ...) {
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char buf[1024];
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va_list va;
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va_start(va, s);
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vsnprintf(buf, 1024, s, va);
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va_end(va);
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fprintf(stderr, "DEBUG: %s!\n", buf);
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}
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uint8 readByte(FILE *fp) {
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return fgetc(fp);
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}
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uint16 readUint16BE(FILE *fp) {
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uint16 ret = 0;
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ret |= fgetc(fp) << 8;
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ret |= fgetc(fp);
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return ret;
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}
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uint16 readUint16LE(FILE *fp) {
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uint16 ret = 0;
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ret |= fgetc(fp);
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ret |= fgetc(fp) << 8;
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return ret;
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}
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uint32 readUint32BE(FILE *fp) {
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uint32 ret = 0;
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ret |= fgetc(fp) << 24;
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ret |= fgetc(fp) << 16;
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ret |= fgetc(fp) << 8;
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ret |= fgetc(fp);
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return ret;
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}
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uint32 readUint32LE(FILE *fp) {
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uint32 ret = 0;
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ret |= fgetc(fp);
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ret |= fgetc(fp) << 8;
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ret |= fgetc(fp) << 16;
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ret |= fgetc(fp) << 24;
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return ret;
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}
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void writeByte(FILE *fp, uint8 b) {
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fwrite(&b, 1, 1, fp);
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}
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void writeUint16BE(FILE *fp, uint16 value) {
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writeByte(fp, (uint8)(value >> 8));
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writeByte(fp, (uint8)(value));
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}
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void writeUint16LE(FILE *fp, uint16 value) {
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writeByte(fp, (uint8)(value));
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writeByte(fp, (uint8)(value >> 8));
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}
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void writeUint32BE(FILE *fp, uint32 value) {
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writeByte(fp, (uint8)(value >> 24));
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writeByte(fp, (uint8)(value >> 16));
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writeByte(fp, (uint8)(value >> 8));
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writeByte(fp, (uint8)(value));
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}
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void writeUint32LE(FILE *fp, uint32 value) {
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writeByte(fp, (uint8)(value));
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writeByte(fp, (uint8)(value >> 8));
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writeByte(fp, (uint8)(value >> 16));
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writeByte(fp, (uint8)(value >> 24));
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}
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uint32 fileSize(FILE *fp) {
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uint32 sz;
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uint32 pos = ftell(fp);
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fseek(fp, 0, SEEK_END);
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sz = ftell(fp);
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fseek(fp, pos, SEEK_SET);
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return sz;
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}
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