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60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "saga.h"
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namespace Saga {
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// Writes an unsigned 16 bit integer in big-endian format to the buffer
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// pointed to by 'data_p'.
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// If 'data_pp' is not null, the function will set it to point just beyond
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// the integer written.
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void ys_write_u16_be(unsigned int u16_be, unsigned char *data_p, unsigned char **data_pp) {
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data_p[0] = (unsigned char)((u16_be >> 8) & 0xFFU);
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data_p[1] = (unsigned char)(u16_be & 0xFFU);
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if (data_pp != NULL) {
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*data_pp = data_p + 2;
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}
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return;
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}
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// Writes an unsigned 32 bit integer in big-endian format to the buffer
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// pointed to by 'data_p'.
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// If 'data_pp' is not null, the function will set it to point just beyond
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// the integer written.
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void ys_write_u32_be(unsigned long u32_be, unsigned char *data_p, unsigned char **data_pp) {
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data_p[0] = (unsigned char)((u32_be >> 24) & 0xFFU);
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data_p[1] = (unsigned char)((u32_be >> 16) & 0xFFU);
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data_p[2] = (unsigned char)((u32_be >> 8) & 0xFFU);
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data_p[3] = (unsigned char)(u32_be & 0xFFU);
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if (data_pp != NULL) {
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*data_pp = data_p + 4;
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}
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return;
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}
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} // End of namespace Saga
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