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/**
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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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 Library General Public License
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* version 2 as published by the Free Software Foundation.
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*
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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 Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef NAVIT_DATA_H
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#define NAVIT_DATA_H
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#include "config.h"
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#ifdef WORDS_BIGENDIAN
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#include <byteswap.h>
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#endif
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static inline unsigned char
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get_u8(unsigned char **p)
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{
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return *((*p)++);
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}
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static inline unsigned short
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get_u16(unsigned char **p) {
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unsigned short ret;
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ret=*((unsigned short *)*p);
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*p+=sizeof(unsigned short);
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#ifdef WORDS_BIGENDIAN
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return __bswap_16(ret);
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#else
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return ret;
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#endif
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}
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static inline unsigned short
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get_u16_unal(unsigned char **p) {
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unsigned short ret;
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ret=*(*p)++;
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ret|=(*(*p)++) << 8;
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return ret;
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}
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static inline unsigned int
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get_u24(unsigned char **p) {
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unsigned long ret;
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ret=get_u16(p);
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ret|=*((*p)++) << 16;
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return ret;
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}
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static inline unsigned int
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get_u24_unal(unsigned char **p) {
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unsigned long ret;
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ret=get_u16_unal(p);
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ret|=*((*p)++) << 16;
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return ret;
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}
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static inline unsigned int
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get_u32(unsigned char **p) {
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unsigned long ret;
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ret=*((unsigned int *)*p);
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*p+=sizeof(unsigned int);
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#ifdef WORDS_BIGENDIAN
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return __bswap_32(ret);
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#else
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return ret;
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#endif
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}
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static inline unsigned int
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get_u32_unal(unsigned char **p) {
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unsigned long ret;
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ret=*(*p)++;
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ret|=(*(*p)++) << 8;
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ret|=(*(*p)++) << 16;
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ret|=(*(*p)++) << 24;
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return ret;
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}
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static inline char *
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get_string(unsigned char **p)
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{
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char *ret=(char *)(*p);
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while (**p) (*p)++;
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(*p)++;
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return ret;
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}
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#define L(x) ({ unsigned char *t=(unsigned char *)&(x); t[0] | (t[1] << 8) | (t[2] << 16) | (t[3] << 24); })
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#endif
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