global.h

php-4.4.7学习linux时下载的源代码

#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
#define ulong_to_double(X) ((double) (ulong) (X))
#define SET_STACK_SIZE(X)	/* Not needed on real machines */

#if !defined(HAVE_mit_thread) && !defined(HAVE_STRTOK_R)
#define strtok_r(A,B,C) strtok((A),(B))
#endif

#ifdef HAVE_LINUXTHREADS
/* #define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C)) */
/* #define sigset(A,B) signal((A),(B)) */
#endif

/* Remove some things that mit_thread break or doesn't support */
#if defined(HAVE_mit_thread) && defined(THREAD)
#undef HAVE_PREAD
#undef HAVE_REALPATH
#undef HAVE_MLOCK
#undef HAVE_TEMPNAM				/* Use ours */
#undef HAVE_PTHREAD_SETPRIO
#undef HAVE_FTRUNCATE
#undef HAVE_READLINK
#endif

/* This is from the old m-machine.h file */

#if SIZEOF_LONG_LONG > 4
#define HAVE_LONG_LONG 1
#endif

#if defined(HAVE_LONG_LONG) && !defined(LONGLONG_MIN)
#define LONGLONG_MIN	((long long) 0x8000000000000000LL)
#define LONGLONG_MAX	((long long) 0x7FFFFFFFFFFFFFFFLL)
#endif

#if SIZEOF_LONG == 4
#define INT_MIN32	(long) 0x80000000L
#define INT_MAX32	(long) 0x7FFFFFFFL
#define INT_MIN24	((long) 0xff800000L)
#define INT_MAX24	0x007fffffL
#define INT_MIN16	((short int) 0x8000)
#define INT_MAX16	0x7FFF
#define INT_MIN8	((char) 0x80)
#define INT_MAX8	((char) 0x7F)
#else  /* Probably Alpha */
#define INT_MIN32	((long) (int) 0x80000000)
#define INT_MAX32	((long) (int) 0x7FFFFFFF)
#define INT_MIN24	((long) (int) 0xff800000)
#define INT_MAX24	((long) (int) 0x007fffff)
#define INT_MIN16	((short int) 0xffff8000)
#define INT_MAX16	((short int) 0x00007FFF)
#endif

/* From limits.h instead */
#ifndef DBL_MIN
#define DBL_MIN		4.94065645841246544e-324
#define FLT_MIN		((float)1.40129846432481707e-45)
#endif
#ifndef DBL_MAX
#define DBL_MAX		1.79769313486231470e+308
#define FLT_MAX		((float)3.40282346638528860e+38)
#endif

/* Max size that must be added to a so that we know Size to make
   adressable obj. */
typedef long		my_ptrdiff_t;
#define MY_ALIGN(A,L)	(((A) + (L) - 1) & ~((L) - 1))
#define ALIGN_SIZE(A)	MY_ALIGN((A),sizeof(double))
/* Size to make adressable obj. */
#define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A),sizeof(t)))
			 /* Offset of filed f in structure t */
#define OFFSET(t, f)	((size_t)(char *)&((t *)0)->f)
#define ADD_TO_PTR(ptr,size,type) (type) ((byte*) (ptr)+size)
#define PTR_BYTE_DIFF(A,B) (my_ptrdiff_t) ((byte*) (A) - (byte*) (B))

#define NullS		(char *) 0
/* Nowdays we do not support MessyDos */
#ifndef NEAR
#define NEAR				/* Who needs segments ? */
#define FAR				/* On a good machine */
#ifndef HUGE_PTR
#define HUGE_PTR
#endif
#endif
#if defined(__IBMC__) || defined(__IBMCPP__)
#define STDCALL _System _Export
#elif !defined( STDCALL)
#define STDCALL
#endif

/* Typdefs for easyier portability */

#if defined(VOIDTYPE)
typedef void	*gptr;		/* Generic pointer */
#else
typedef char	*gptr;		/* Generic pointer */
#endif
#ifndef HAVE_INT_8_16_32
typedef char	int8;		/* Signed integer >= 8	bits */
typedef short	int16;		/* Signed integer >= 16 bits */
#endif
#ifndef HAVE_UCHAR
typedef unsigned char	uchar;	/* Short for unsigned char */
#endif
typedef unsigned char	uint8;	/* Short for unsigned integer >= 8  bits */
typedef unsigned short	uint16; /* Short for unsigned integer >= 16 bits */

#if SIZEOF_INT == 4
#ifndef HAVE_INT_8_16_32
typedef int		int32;
#endif
typedef unsigned int	uint32; /* Short for unsigned integer >= 32 bits */
#elif SIZEOF_LONG == 4
#ifndef HAVE_INT_8_16_32
typedef long		int32;
#endif
typedef unsigned long	uint32; /* Short for unsigned integer >= 32 bits */
#else
error "Neither int or long is of 4 bytes width"
#endif

#if !defined(HAVE_ULONG) && !defined(HAVE_LINUXTHREADS) && !defined(__USE_MISC)
typedef unsigned long	ulong;	/* Short for unsigned long */
#endif
#ifndef longlong_defined
#if defined(HAVE_LONG_LONG) && SIZEOF_LONG != 8
typedef unsigned long long int ulonglong; /* ulong or unsigned long long */
typedef long long int longlong;
#else
typedef unsigned long	ulonglong;	/* ulong or unsigned long long */
typedef long		longlong;
#endif
#endif

#ifdef USE_RAID
/* The following is done with a if to not get problems with pre-processors
   with late define evaluation */
#if SIZEOF_OFF_T == 4
#define SYSTEM_SIZEOF_OFF_T 4
#else
#define SYSTEM_SIZEOF_OFF_T 8
#endif
#undef  SIZEOF_OFF_T
#define SIZEOF_OFF_T	    8
#else
#define SYSTEM_SIZEOF_OFF_T SIZEOF_OFF_T
#endif /* USE_RAID */

#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 needed with moder 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 */