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