/*
- * upkg: tool for manipulating Unreal Tournament packages.
+ * Portable binary serialisation of integral types.
* Copyright (C) 2009 Nick Bowler
*
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Copying and distribution of this file, with or without modification,
+ * are permitted in any medium without royalty provided the copyright
+ * notice and this notice are preserved. This file is offered as-is,
+ * without any warranty.
*/
#include <stdio.h>
#endif
#define DEFUNPACK_BE(bits, type) type unpack_ ## bits ## _be ( \
- unsigned char *in \
+ const unsigned char *in \
) { \
type v = 0; \
unsigned i; \
}
#define DEFUNPACK_LE(bits, type) type unpack_ ## bits ## _le ( \
- unsigned char *in \
+ const unsigned char *in \
) { \
type v = 0; \
unsigned i; \
*/
#define DEFUNPACK_SBE(bits, max, type) type unpack_s ## bits ## _be ( \
- unsigned char *in \
+ const unsigned char *in \
) { \
type v = 0; \
unsigned i; \
int sign = (in[0] & 0x80) ? 1 : 0; \
- in[0] &= 0x7f; \
for (i = 0; i < bits/8; i++) { \
v *= 256; \
- v += in[i]; \
+ v += in[i] & (i == 0 ? 0x7f : 0xff); \
} \
return sign*(-max-1) + v; \
}
#define DEFUNPACK_SLE(bits, max, type) type unpack_s ## bits ## _le ( \
- unsigned char *in \
+ const unsigned char *in \
) { \
type v = 0; \
unsigned i; \
int sign = (in[bits/8 - 1] & 0x80) ? 1 : 0; \
- in[bits/8 - 1] &= 0x7f; \
for (i = 1; i <= bits/8; i++) { \
v *= 256; \
- v += in[bits/8 - i]; \
+ v += in[bits/8 - i] & (i == 1 ? 0x7f : 0xff); \
} \
return sign*(-max-1) + v; \
}