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pilot-link.0.8.1
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include
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pi-macros.h
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C/C++ Source or Header
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1997-07-12
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8KB
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282 lines
#ifndef _PILOT_MACROS_H_
#define _PILOT_MACROS_H_
#include "pi-args.h"
typedef unsigned long recordid_t;
#ifdef __cplusplus
extern "C" {
#endif
extern double get_float PI_ARGS((void *));
extern void set_float PI_ARGS((void *, double));
extern int compareTm PI_ARGS((struct tm *a, struct tm *b));
#ifdef __cplusplus
}
#endif
#ifndef __cplusplus
#define get_long(ptr) ((unsigned long)\
((((unsigned char*)(ptr))[0] << 24) | \
(((unsigned char*)(ptr))[1] << 16) | \
(((unsigned char*)(ptr))[2] << 8) | \
(((unsigned char*)(ptr))[3])))
#define get_treble(ptr) ((unsigned long)\
((((unsigned char*)(ptr))[0] << 16) | \
(((unsigned char*)(ptr))[1] << 8) | \
(((unsigned char*)(ptr))[2])))
#define get_short(ptr) ((unsigned short)\
((((unsigned char*)(ptr))[0] << 8) | \
(((unsigned char*)(ptr))[1])))
#define get_byte(ptr) (((unsigned char*)(ptr))[0])
#define get_slong(ptr) (signed long)(\
(get_long((ptr)) > 0x7FFFFFFF) ?\
(((signed long)(get_long((ptr)) & 0x7FFFFFFF)) - 0x80000000):\
((signed long)(get_long((ptr))))\
)
#define get_streble(ptr) (signed long)(\
(get_treble((ptr)) > 0x7FFFFF) ?\
(((signed long)(get_treble((ptr)) & 0x7FFFFF)) - 0x800000):\
((signed long)(get_treble((ptr))))\
)
#define get_sshort(ptr) (signed short)(\
(get_short((ptr)) > 0x7FFF) ?\
(((signed short)(get_short((ptr)) & 0x7FFF)) - 0x8000):\
((signed short)(get_short((ptr))))\
)
#define get_sbyte(ptr) (signed char)(\
(get_byte((ptr)) > 0x7F) ?\
(((signed char)(get_byte((ptr)) & 0x7F)) - 0x80):\
((signed char)(get_byte((ptr))))\
)
#define set_long(ptr,val) ((((unsigned char*)(ptr))[0] = (((unsigned long)(val)) >> 24) & 0xff), \
(((unsigned char*)(ptr))[1] = (((unsigned long)(val)) >> 16) & 0xff), \
(((unsigned char*)(ptr))[2] = (((unsigned long)(val)) >> 8) & 0xff), \
(((unsigned char*)(ptr))[3] = (((unsigned long)(val)) >> 0) & 0xff))
#define set_slong(ptr,val) set_long((ptr),((unsigned long)(\
(((signed long)(val)) < 0) ?\
((unsigned long)(((signed long)(val)) + 0x80000000) | 0x80000000) :\
(val)\
)))
#define set_treble(ptr,val) ((((unsigned char*)(ptr))[0] = (((unsigned long)(val)) >> 16) & 0xff), \
(((unsigned char*)(ptr))[1] = (((unsigned long)(val)) >> 8) & 0xff), \
(((unsigned char*)(ptr))[2] = (((unsigned long)(val)) >> 0) & 0xff))
#define set_streble(ptr,val) set_treble((ptr),((unsigned long)(\
(((signed long)(val)) < 0) ?\
((unsigned long)(((signed long)(val)) + 0x800000) | 0x800000) :\
(val)\
)))
#define set_short(ptr,val) ((((unsigned char*)(ptr))[0] = (((unsigned short)(val)) >> 8) & 0xff), \
(((unsigned char*)(ptr))[1] = (((unsigned short)(val)) >> 0) & 0xff))
#define set_sshort(ptr,val) set_short((ptr),((unsigned short)(\
(((signed short)(val)) < 0) ?\
((unsigned short)(((signed short)(val)) + 0x8000) | 0x8000) :\
(val)\
)))
#define set_byte(ptr,val) (((unsigned char*)(ptr))[0]=(val))
#define set_sbyte(ptr,val) set_byte((ptr),((unsigned char)(\
(((signed char)(val)) < 0) ?\
((unsigned char)(((signed char)(val)) + 0x80) | 0x80) :\
(val)\
)))
#define char4(c1,c2,c3,c4) (((c1)<<24)|((c2)<<16)|((c3)<<8)|(c4))
#else /*ifdef __cplusplus*/
inline unsigned long get_long(const void *buf)
{
unsigned char *ptr = (unsigned char *) buf;
return (*ptr << 24) | (*(++ptr) << 16) | (*(++ptr) << 8) | *(++ptr);
}
inline signed long get_slong(const void *buf)
{
unsigned long val = get_long(buf);
if (val > 0x7FFFFFFF)
return ((signed long)(val & 0x7FFFFFFF)) - 0x80000000;
else
return val;
}
inline unsigned long get_treble(const void *buf)
{
unsigned char *ptr = (unsigned char *) buf;
return (*ptr << 16) | (*(++ptr) << 8) | *(++ptr);
}
inline signed long get_streble(const void *buf)
{
unsigned long val = get_treble(buf);
if (val > 0x7FFFFF)
return ((signed long)(val & 0x7FFFFF)) - 0x800000;
else
return val;
}
inline int get_short(const void *buf)
{
unsigned char *ptr = (unsigned char *) buf;
return (*ptr << 8) | *(++ptr);
}
inline signed short get_sshort(const void *buf)
{
unsigned short val = get_short(buf);
if (val > 0x7FFF)
return ((signed short)(val & 0x7FFF)) - 0x8000;
else
return val;
}
inline int get_byte(const void *buf)
{
return *((unsigned char *) buf);
}
inline signed char get_sbyte(const void *buf)
{
unsigned char val = get_byte(buf);
if (val > 0x7F)
return ((signed char)(val & 0x7F)) - 0x80;
else
return val;
}
inline void set_long(void *buf, const unsigned long val)
{
unsigned char *ptr = (unsigned char *) buf;
*ptr = (val >> 24) & 0xff;
*(++ptr) = (val >> 16) & 0xff;
*(++ptr) = (val >> 8) & 0xff;
*(++ptr) = val & 0xff;
}
inline void set_slong(void *buf, const signed long val)
{
unsigned long uval;
if (val < 0) {
uval = (val + 0x80000000);
uval |= 0x80000000;
} else
uval = val;
set_long(buf, uval);
}
inline void set_treble(void *buf, const unsigned long val)
{
unsigned char *ptr = (unsigned char *) buf;
*ptr = (val >> 16) & 0xff;
*(++ptr) = (val >> 8) & 0xff;
*(++ptr) = val & 0xff;
}
inline void set_streble(void *buf, const signed long val)
{
unsigned long uval;
if (val < 0) {
uval = (val + 0x800000);
uval |= 0x800000;
} else
uval = val;
set_treble(buf, uval);
}
inline void set_short(void *buf, const int val)
{
unsigned char *ptr = (unsigned char *) buf;
*ptr = (val >> 8) & 0xff;
*(++ptr) = val & 0xff;
}
inline void set_sshort(void *buf, const signed short val)
{
unsigned short uval;
if (val < 0) {
uval = (val + 0x8000);
uval |= 0x8000;
} else
uval = val;
set_treble(buf, uval);
}
inline void set_byte(void *buf, const int val)
{
*((unsigned char *)buf) = val;
}
inline void set_sbyte(void *buf, const signed char val)
{
unsigned char uval;
if (val < 0) {
uval = (val + 0x80);
uval |= 0x80;
} else
uval = val;
set_byte(buf, uval);
}
inline struct tm *getBufTm(struct tm *t, const void *buf, int setTime)
{
unsigned short int d = get_short(buf);
t->tm_year = (d >> 9) + 4;
t->tm_mon = ((d >> 5) & 15) - 1;
t->tm_mday = d & 31;
if (setTime) {
t->tm_hour = 0;
t->tm_min = 0;
t->tm_sec = 0;
}
t->tm_isdst = -1;
mktime(t);
return t;
}
inline void setBufTm(void *buf, const struct tm *t)
{
set_short(buf,
((t->tm_year - 4) << 9) | ((t->tm_mon + 1) << 5) | t->tm_mday);
}
inline unsigned long char4(char c1, char c2, char c3, char c4)
{
return (c1<<24)|(c2<<16)|(c3<<8)|c4;
}
#endif /*__cplusplus*/
#endif /* _PILOT_MACROS_H_ */