📄 my_global.h
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#if SIZEOF_OFF_T > 4
typedef ulonglong my_off_t;
#else
typedef unsigned long my_off_t;
#endif
#define MY_FILEPOS_ERROR (~(my_off_t) 0)
#if !defined(__WIN__) && !defined(OS2)
typedef off_t os_off_t;
#endif
#if defined(__WIN__)
#define socket_errno WSAGetLastError()
#define SOCKET_EINTR WSAEINTR
#define SOCKET_EAGAIN WSAEINPROGRESS
#define SOCKET_ENFILE ENFILE
#define SOCKET_EMFILE EMFILE
#elif defined(OS2)
#define socket_errno sock_errno()
#define SOCKET_EINTR SOCEINTR
#define SOCKET_EAGAIN SOCEINPROGRESS
#define SOCKET_EWOULDBLOCK SOCEWOULDBLOCK
#define SOCKET_ENFILE SOCENFILE
#define SOCKET_EMFILE SOCEMFILE
#define closesocket(A) soclose(A)
#else /* Unix */
#define socket_errno errno
#define closesocket(A) close(A)
#define SOCKET_EINTR EINTR
#define SOCKET_EAGAIN EAGAIN
#define SOCKET_EWOULDBLOCK EWOULDBLOCK
#define SOCKET_ENFILE ENFILE
#define SOCKET_EMFILE EMFILE
#endif
typedef uint8 int7; /* Most effective integer 0 <= x <= 127 */
typedef short int15; /* Most effective integer 0 <= x <= 32767 */
typedef char *my_string; /* String of characters */
typedef unsigned long size_s; /* Size of strings (In string-funcs) */
typedef int myf; /* Type of MyFlags in my_funcs */
#ifndef byte_defined
typedef char byte; /* Smallest addressable unit */
#endif
typedef char my_bool; /* Small bool */
#if !defined(bool) && !defined(bool_defined) && (!defined(HAVE_BOOL) || !defined(__cplusplus))
typedef char bool; /* Ordinary boolean values 0 1 */
#endif
/* Macros for converting *constants* to the right type */
#define INT8(v) (int8) (v)
#define INT16(v) (int16) (v)
#define INT32(v) (int32) (v)
#define MYF(v) (myf) (v)
/*
Defines to make it possible to prioritize register assignments. No
longer that important with modern compilers.
*/
#ifndef USING_X
#define reg1 register
#define reg2 register
#define reg3 register
#define reg4 register
#define reg5 register
#define reg6 register
#define reg7 register
#define reg8 register
#define reg9 register
#define reg10 register
#define reg11 register
#define reg12 register
#define reg13 register
#define reg14 register
#define reg15 register
#define reg16 register
#endif
/* Defines for time function */
#define SCALE_SEC 100
#define SCALE_USEC 10000
#define MY_HOW_OFTEN_TO_ALARM 2 /* How often we want info on screen */
#define MY_HOW_OFTEN_TO_WRITE 1000 /* How often we want info on screen */
/*
** Define-funktions for reading and storing in machine independent format
** (low byte first)
*/
/* Optimized store functions for Intel x86 */
#ifdef __i386__
#define sint2korr(A) (*((int16 *) (A)))
#define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \
(((uint32) 255L << 24) | \
(((uint32) (uchar) (A)[2]) << 16) |\
(((uint32) (uchar) (A)[1]) << 8) | \
((uint32) (uchar) (A)[0])) : \
(((uint32) (uchar) (A)[2]) << 16) |\
(((uint32) (uchar) (A)[1]) << 8) | \
((uint32) (uchar) (A)[0])))
#define sint4korr(A) (*((long *) (A)))
#define uint2korr(A) (*((uint16 *) (A)))
#define uint3korr(A) (long) (*((unsigned long *) (A)) & 0xFFFFFF)
#define uint4korr(A) (*((unsigned long *) (A)))
#define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
(((uint32) ((uchar) (A)[1])) << 8) +\
(((uint32) ((uchar) (A)[2])) << 16) +\
(((uint32) ((uchar) (A)[3])) << 24)) +\
(((ulonglong) ((uchar) (A)[4])) << 32))
#define uint8korr(A) (*((ulonglong *) (A)))
#define sint8korr(A) (*((longlong *) (A)))
#define int2store(T,A) *((uint16*) (T))= (uint16) (A)
#define int3store(T,A) { *(T)= (uchar) ((A));\
*(T+1)=(uchar) (((uint) (A) >> 8));\
*(T+2)=(uchar) (((A) >> 16)); }
#define int4store(T,A) *((long *) (T))= (long) (A)
#define int5store(T,A) { *(T)= (uchar)((A));\
*((T)+1)=(uchar) (((A) >> 8));\
*((T)+2)=(uchar) (((A) >> 16));\
*((T)+3)=(uchar) (((A) >> 24)); \
*((T)+4)=(uchar) (((A) >> 32)); }
#define int8store(T,A) *((ulonglong *) (T))= (ulonglong) (A)
typedef union {
double v;
long m[2];
} doubleget_union;
#define doubleget(V,M) { ((doubleget_union *)&V)->m[0] = *((long*) M); \
((doubleget_union *)&V)->m[1] = *(((long*) M)+1); }
#define doublestore(T,V) { *((long *) T) = ((doubleget_union *)&V)->m[0]; \
*(((long *) T)+1) = ((doubleget_union *)&V)->m[1]; }
#define float4get(V,M) { *((long *) &(V)) = *((long*) (M)); }
#define float8get(V,M) doubleget((V),(M))
#define float4store(V,M) memcpy((byte*) V,(byte*) (&M),sizeof(float))
#define float8store(V,M) doublestore((V),(M))
#endif /* __i386__ */
#ifndef sint2korr
#define sint2korr(A) (int16) (((int16) ((uchar) (A)[0])) +\
((int16) ((int16) (A)[1]) << 8))
#define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \
(((uint32) 255L << 24) | \
(((uint32) (uchar) (A)[2]) << 16) |\
(((uint32) (uchar) (A)[1]) << 8) | \
((uint32) (uchar) (A)[0])) : \
(((uint32) (uchar) (A)[2]) << 16) |\
(((uint32) (uchar) (A)[1]) << 8) | \
((uint32) (uchar) (A)[0])))
#define sint4korr(A) (int32) (((int32) ((uchar) (A)[0])) +\
(((int32) ((uchar) (A)[1]) << 8)) +\
(((int32) ((uchar) (A)[2]) << 16)) +\
(((int32) ((int16) (A)[3]) << 24)))
#define sint8korr(A) (longlong) uint8korr(A)
#define uint2korr(A) (uint16) (((uint16) ((uchar) (A)[0])) +\
((uint16) ((uchar) (A)[1]) << 8))
#define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\
(((uint32) ((uchar) (A)[1])) << 8) +\
(((uint32) ((uchar) (A)[2])) << 16))
#define uint4korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\
(((uint32) ((uchar) (A)[1])) << 8) +\
(((uint32) ((uchar) (A)[2])) << 16) +\
(((uint32) ((uchar) (A)[3])) << 24))
#define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
(((uint32) ((uchar) (A)[1])) << 8) +\
(((uint32) ((uchar) (A)[2])) << 16) +\
(((uint32) ((uchar) (A)[3])) << 24)) +\
(((ulonglong) ((uchar) (A)[4])) << 32))
#define uint8korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
(((uint32) ((uchar) (A)[1])) << 8) +\
(((uint32) ((uchar) (A)[2])) << 16) +\
(((uint32) ((uchar) (A)[3])) << 24)) +\
(((ulonglong) (((uint32) ((uchar) (A)[4])) +\
(((uint32) ((uchar) (A)[5])) << 8) +\
(((uint32) ((uchar) (A)[6])) << 16) +\
(((uint32) ((uchar) (A)[7])) << 24))) <<\
32))
#define int2store(T,A) { uint def_temp= (uint) (A) ;\
*((uchar*) (T))= (uchar)(def_temp); \
*((uchar*) (T+1))=(uchar)((def_temp >> 8)); }
#define int3store(T,A) { /*lint -save -e734 */\
*((T))=(char) ((A));\
*((T)+1)=(char) (((A) >> 8));\
*((T)+2)=(char) (((A) >> 16)); \
/*lint -restore */}
#define int4store(T,A) { *(T)=(char) ((A));\
*((T)+1)=(char) (((A) >> 8));\
*((T)+2)=(char) (((A) >> 16));\
*((T)+3)=(char) (((A) >> 24)); }
#define int5store(T,A) { *(T)=((A));\
*((T)+1)=(((A) >> 8));\
*((T)+2)=(((A) >> 16));\
*((T)+3)=(((A) >> 24)); \
*((T)+4)=(((A) >> 32)); }
#define int8store(T,A) { uint def_temp= (uint) (A), def_temp2= (uint) ((A) >> 32); \
int4store((T),def_temp); \
int4store((T+4),def_temp2); \
}
#ifdef WORDS_BIGENDIAN
#define float4store(T,A) { *(T)= ((byte *) &A)[3];\
*((T)+1)=(char) ((byte *) &A)[2];\
*((T)+2)=(char) ((byte *) &A)[1];\
*((T)+3)=(char) ((byte *) &A)[0]; }
#define float4get(V,M) { float def_temp;\
((byte*) &def_temp)[0]=(M)[3];\
((byte*) &def_temp)[1]=(M)[2];\
((byte*) &def_temp)[2]=(M)[1];\
((byte*) &def_temp)[3]=(M)[0];\
(V)=def_temp; }
#define float8store(T,V) { *(T)= ((byte *) &V)[7];\
*((T)+1)=(char) ((byte *) &V)[6];\
*((T)+2)=(char) ((byte *) &V)[5];\
*((T)+3)=(char) ((byte *) &V)[4];\
*((T)+4)=(char) ((byte *) &V)[3];\
*((T)+5)=(char) ((byte *) &V)[2];\
*((T)+6)=(char) ((byte *) &V)[1];\
*((T)+7)=(char) ((byte *) &V)[0]; }
#define float8get(V,M) { double def_temp;\
((byte*) &def_temp)[0]=(M)[7];\
((byte*) &def_temp)[1]=(M)[6];\
((byte*) &def_temp)[2]=(M)[5];\
((byte*) &def_temp)[3]=(M)[4];\
((byte*) &def_temp)[4]=(M)[3];\
((byte*) &def_temp)[5]=(M)[2];\
((byte*) &def_temp)[6]=(M)[1];\
((byte*) &def_temp)[7]=(M)[0];\
(V) = def_temp; }
#else
#define float4get(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(float))
#define float4store(V,M) memcpy_fixed((byte*) V,(byte*) (&M),sizeof(float))
#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
#define doublestore(T,V) { *(T)= ((byte *) &V)[4];\
*((T)+1)=(char) ((byte *) &V)[5];\
*((T)+2)=(char) ((byte *) &V)[6];\
*((T)+3)=(char) ((byte *) &V)[7];\
*((T)+4)=(char) ((byte *) &V)[0];\
*((T)+5)=(char) ((byte *) &V)[1];\
*((T)+6)=(char) ((byte *) &V)[2];\
*((T)+7)=(char) ((byte *) &V)[3]; }
#define doubleget(V,M) { double def_temp;\
((byte*) &def_temp)[0]=(M)[4];\
((byte*) &def_temp)[1]=(M)[5];\
((byte*) &def_temp)[2]=(M)[6];\
((byte*) &def_temp)[3]=(M)[7];\
((byte*) &def_temp)[4]=(M)[0];\
((byte*) &def_temp)[5]=(M)[1];\
((byte*) &def_temp)[6]=(M)[2];\
((byte*) &def_temp)[7]=(M)[3];\
(V) = def_temp; }
#endif /* __FLOAT_WORD_ORDER */
#define float8get(V,M) doubleget((V),(M))
#define float8store(V,M) doublestore((V),(M))
#endif /* WORDS_BIGENDIAN */
#endif /* sint2korr */
/*
Define-funktions for reading and storing in machine format from/to
short/long to/from some place in memory V should be a (not
register) variable, M is a pointer to byte
*/
#ifdef WORDS_BIGENDIAN
#define ushortget(V,M) { V = (uint16) (((uint16) ((uchar) (M)[1]))+\
((uint16) ((uint16) (M)[0]) << 8)); }
#define shortget(V,M) { V = (short) (((short) ((uchar) (M)[1]))+\
((short) ((short) (M)[0]) << 8)); }
#define longget(V,M) { int32 def_temp;\
((byte*) &def_temp)[0]=(M)[0];\
((byte*) &def_temp)[1]=(M)[1];\
((byte*) &def_temp)[2]=(M)[2];\
((byte*) &def_temp)[3]=(M)[3];\
(V)=def_temp; }
#define ulongget(V,M) { uint32 def_temp;\
((byte*) &def_temp)[0]=(M)[0];\
((byte*) &def_temp)[1]=(M)[1];\
((byte*) &def_temp)[2]=(M)[2];\
((byte*) &def_temp)[3]=(M)[3];\
(V)=def_temp; }
#define shortstore(T,A) { uint def_temp=(uint) (A) ;\
*(T+1)=(char)(def_temp); \
*(T+0)=(char)(def_temp >> 8); }
#define longstore(T,A) { *((T)+3)=((A));\
*((T)+2)=(((A) >> 8));\
*((T)+1)=(((A) >> 16));\
*((T)+0)=(((A) >> 24)); }
#define doubleget(V,M) memcpy((byte*) &V,(byte*) (M),sizeof(double))
#define doublestore(T,V) memcpy((byte*) (T),(byte*) &V,sizeof(double))
#define longlongget(V,M) memcpy((byte*) &V,(byte*) (M),sizeof(ulonglong))
#define longlongstore(T,V) memcpy((byte*) (T),(byte*) &V,sizeof(ulonglong))
#else
#define ushortget(V,M) { V = uint2korr(M); }
#define shortget(V,M) { V = sint2korr(M); }
#define longget(V,M) { V = sint4korr(M); }
#define ulongget(V,M) { V = uint4korr(M); }
#define shortstore(T,V) int2store(T,V)
#define longstore(T,V) int4store(T,V)
#ifndef doubleget
#define doubleget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(double))
#define doublestore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(double))
#endif /* doubleget */
#define longlongget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(ulonglong))
#define longlongstore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(ulonglong))
#endif /* WORDS_BIGENDIAN */
/* sprintf does not always return the number of bytes :- */
#ifdef SPRINTF_RETURNS_INT
#define my_sprintf(buff,args) sprintf args
#else
#ifdef SPRINTF_RETURNS_PTR
#define my_sprintf(buff,args) ((int)(sprintf args - buff))
#else
#define my_sprintf(buff,args) sprintf args,strlen(buff)
#endif
#endif
#ifndef THREAD
#define thread_safe_increment(V,L) (V)++
#define thread_safe_add(V,C,L) (V)+=(C)
#define thread_safe_sub(V,C,L) (V)-=(C)
#define statistic_increment(V,L) (V)++
#define statistic_add(V,C,L) (V)+=(C)
#endif
#endif /* _global_h */
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