Initial commit

devtools/create_cryomni3d/util.cpp

@@ -0,0 +1,162 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// Disable symbol overrides so that we can use system headers.
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#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);
+}
+
+int scumm_stricmp(const char *s1, const char *s2) {
+	byte l1, l2;
+	do {
+		// Don't use ++ inside tolower, in case the macro uses its
+		// arguments more than once.
+		l1 = (byte) * s1++;
+		l1 = tolower(l1);
+		l2 = (byte) * s2++;
+		l2 = tolower(l2);
+	} while (l1 == l2 && l1 != 0);
+	return l1 - l2;
+}
+
+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);
+}
+
+size_t writeByte(FILE *fp, uint8 b) {
+	fwrite(&b, 1, 1, fp);
+	return sizeof(b);
+}
+
+size_t writeUint16BE(FILE *fp, uint16 value) {
+	writeByte(fp, (uint8)(value >> 8));
+	writeByte(fp, (uint8)(value));
+	return sizeof(value);
+}
+
+size_t writeUint16LE(FILE *fp, uint16 value) {
+	writeByte(fp, (uint8)(value));
+	writeByte(fp, (uint8)(value >> 8));
+	return sizeof(value);
+}
+
+size_t writeUint32BE(FILE *fp, uint32 value) {
+	writeByte(fp, (uint8)(value >> 24));
+	writeByte(fp, (uint8)(value >> 16));
+	writeByte(fp, (uint8)(value >> 8));
+	writeByte(fp, (uint8)(value));
+	return sizeof(value);
+}
+
+size_t writeUint32LE(FILE *fp, uint32 value) {
+	writeByte(fp, (uint8)(value));
+	writeByte(fp, (uint8)(value >> 8));
+	writeByte(fp, (uint8)(value >> 16));
+	writeByte(fp, (uint8)(value >> 24));
+	return sizeof(value);
+}
+
+size_t writeString16(FILE *fp, const char *string) {
+	if (string == nullptr) {
+		// Like an empty string
+		return writeUint16LE(fp, 0);
+	}
+	size_t n = strlen(string);
+	if (n > 0xffff) {
+		return 0;
+	}
+	size_t written = 0;
+	written += writeUint16LE(fp, n);
+	fwrite(string, n, 1, fp);
+	written += n;
+	return written;
+}
+
+size_t writeString16Array16(FILE *fp, char const *const *array, uint16 elems) {
+	return writeArray<char const *, writeString16, uint16, writeUint16LE>(fp, array, elems);
+}
+
+//#define DEBUG
+static const char padBuf[PADDING_ALIGNMENT] = {
+#ifndef DEBUG
+	0
+#else
+	0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C,
+#endif
+};
+
+size_t writePadding(FILE *fp) {
+	long pos = ftell(fp);
+
+	pos = pos & PADDING_MASK; // Keep only remainder
+	if (pos == 0) {
+		return 0;
+	}
+
+	pos = PADDING_ALIGNMENT - pos;
+	fwrite(padBuf, pos, 1, fp);
+	return pos;
+}
+
+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;
+}