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mysqlnd_portability.h
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/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
This file is public domain and comes with NO WARRANTY of any kind */
/*
Parts of the original, which are not applicable to mysqlnd have been removed.
With small modifications, mostly casting but adding few more macros by
Andrey Hristov <[email protected]> . The additions are in the public domain and
were added to improve the header file, to get it more consistent.
*/
#ifndef MYSQLND_PORTABILITY_H
#define MYSQLND_PORTABILITY_H
/* Comes from global.h as OFFSET, renamed to STRUCT_OFFSET */
#define STRUCT_OFFSET(t, f) ((size_t)(char *)&((t *)0)->f)
#ifndef __attribute
#if !defined(__GNUC__)
#define __attribute(A)
#endif
#endif
#ifdef __CYGWIN__
/* We use a Unix API, so pretend it's not Windows */
#undef WIN
#undef WIN32
#undef _WIN
#undef _WIN32
#undef _WIN64
#undef __WIN__
#undef __WIN32__
#endif /* __CYGWIN__ */
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
# include "ext/mysqlnd/config-win.h"
#endif /* _WIN32... */
#if __STDC_VERSION__ < 199901L && !defined(atoll)
/* "inline" is a keyword */
#define atoll atol
#endif
#include "php_stdint.h"
#if SIZEOF_LONG_LONG > 4 && !defined(_LONG_LONG)
#define _LONG_LONG 1 /* For AIX string library */
#endif
/* Go around some bugs in different OS and compilers */
#if SIZEOF_LONG_LONG > 4
#define HAVE_LONG_LONG 1
#endif
#ifdef PHP_WIN32
#define MYSQLND_SZ_T_SPEC "%Id"
#ifndef L64
#define L64(x) x##i64
#endif
#else
#define MYSQLND_SZ_T_SPEC "%zd"
#ifndef L64
#define L64(x) x##LL
#endif
#endif
#define int1store(T,A) do { *((int8_t*) (T)) = (A); } while(0)
#define uint1korr(A) (*(((uint8_t*)(A))))
/* Bit values are sent in reverted order of bytes, compared to normal !!! */
#define bit_uint2korr(A) ((uint16_t) (((uint16_t) (((unsigned char*) (A))[1])) +\
((uint16_t) (((unsigned char*) (A))[0]) << 8)))
#define bit_uint3korr(A) ((uint32_t) (((uint32_t) (((unsigned char*) (A))[2])) +\
(((uint32_t) (((unsigned char*) (A))[1])) << 8) +\
(((uint32_t) (((unsigned char*) (A))[0])) << 16)))
#define bit_uint4korr(A) ((uint32_t) (((uint32_t) (((unsigned char*) (A))[3])) +\
(((uint32_t) (((unsigned char*) (A))[2])) << 8) +\
(((uint32_t) (((unsigned char*) (A))[1])) << 16) +\
(((uint32_t) (((unsigned char*) (A))[0])) << 24)))
#define bit_uint5korr(A) ((uint64_t)(((uint32_t) (((unsigned char*) (A))[4])) +\
(((uint32_t) (((unsigned char*) (A))[3])) << 8) +\
(((uint32_t) (((unsigned char*) (A))[2])) << 16) +\
(((uint32_t) (((unsigned char*) (A))[1])) << 24)) +\
(((uint64_t) (((unsigned char*) (A))[0])) << 32))
#define bit_uint6korr(A) ((uint64_t)(((uint32_t) (((unsigned char*) (A))[5])) +\
(((uint32_t) (((unsigned char*) (A))[4])) << 8) +\
(((uint32_t) (((unsigned char*) (A))[3])) << 16) +\
(((uint32_t) (((unsigned char*) (A))[2])) << 24)) +\
(((uint64_t) (((uint32_t) (((unsigned char*) (A))[1])) +\
(((uint32_t) (((unsigned char*) (A))[0]) << 8)))) <<\
32))
#define bit_uint7korr(A) ((uint64_t)(((uint32_t) (((unsigned char*) (A))[6])) +\
(((uint32_t) (((unsigned char*) (A))[5])) << 8) +\
(((uint32_t) (((unsigned char*) (A))[4])) << 16) +\
(((uint32_t) (((unsigned char*) (A))[3])) << 24)) +\
(((uint64_t) (((uint32_t) (((unsigned char*) (A))[2])) +\
(((uint32_t) (((unsigned char*) (A))[1])) << 8) +\
(((uint32_t) (((unsigned char*) (A))[0])) << 16))) <<\
32))
#define bit_uint8korr(A) ((uint64_t)(((uint32_t) (((unsigned char*) (A))[7])) +\
(((uint32_t) (((unsigned char*) (A))[6])) << 8) +\
(((uint32_t) (((unsigned char*) (A))[5])) << 16) +\
(((uint32_t) (((unsigned char*) (A))[4])) << 24)) +\
(((uint64_t) (((uint32_t) (((unsigned char*) (A))[3])) +\
(((uint32_t) (((unsigned char*) (A))[2])) << 8) +\
(((uint32_t) (((unsigned char*) (A))[1])) << 16) +\
(((uint32_t) (((unsigned char*) (A))[0])) << 24))) <<\
32))
/*
** Define-funktions for reading and storing in machine independent format
** (low byte first)
*/
/* Optimized store functions for Intel x86, non-valid for WIN64. __i386__ is GCC */
#if defined(__i386__) && !defined(_WIN64)
#define sint2korr(A) (*((int16_t *) (A)))
#define sint3korr(A) ((int32_t) ((((zend_uchar) (A)[2]) & 128) ? \
(((uint32_t) 255L << 24) | \
(((uint32_t) (zend_uchar) (A)[2]) << 16) |\
(((uint32_t) (zend_uchar) (A)[1]) << 8) | \
((uint32_t) (zend_uchar) (A)[0])) : \
(((uint32_t) (zend_uchar) (A)[2]) << 16) |\
(((uint32_t) (zend_uchar) (A)[1]) << 8) | \
((uint32_t) (zend_uchar) (A)[0])))
#define sint4korr(A) (*((zend_long *) (A)))
#define uint2korr(A) (*((uint16_t *) (A)))
#define uint3korr(A) (uint32_t) (((uint32_t) ((zend_uchar) (A)[0])) +\
(((uint32_t) ((zend_uchar) (A)[1])) << 8) +\
(((uint32_t) ((zend_uchar) (A)[2])) << 16))
#define uint4korr(A) (*((zend_ulong *) (A)))
#define uint8korr(A) (*((uint64_t *) (A)))
#define sint8korr(A) (*((int64_t *) (A)))
#define int2store(T,A) *((uint16_t*) (T))= (uint16_t) (A)
#define int3store(T,A) { \
*(T)= (zend_uchar) ((A));\
*(T+1)=(zend_uchar) (((uint32_t) (A) >> 8));\
*(T+2)=(zend_uchar) (((A) >> 16)); }
#define int4store(T,A) *((zend_long *) (T))= (zend_long) (A)
#define int5store(T,A) { \
*((zend_uchar *)(T))= (zend_uchar)((A));\
*(((zend_uchar *)(T))+1)=(zend_uchar) (((A) >> 8));\
*(((zend_uchar *)(T))+2)=(zend_uchar) (((A) >> 16));\
*(((zend_uchar *)(T))+3)=(zend_uchar) (((A) >> 24)); \
*(((zend_uchar *)(T))+4)=(zend_uchar) (((A) >> 32)); }
/* From Andrey Hristov, based on int5store() */
#define int6store(T,A) { \
*(((zend_uchar *)(T)))= (zend_uchar)((A));\
*(((zend_uchar *)(T))+1))=(zend_uchar) (((A) >> 8));\
*(((zend_uchar *)(T))+2))=(zend_uchar) (((A) >> 16));\
*(((zend_uchar *)(T))+3))=(zend_uchar) (((A) >> 24)); \
*(((zend_uchar *)(T))+4))=(zend_uchar) (((A) >> 32)); \
*(((zend_uchar *)(T))+5))=(zend_uchar) (((A) >> 40)); }
#define int8store(T,A) *((uint64_t *) (T))= (uint64_t) (A)
typedef union {
double v;
zend_long m[2];
} float8get_union;
#define float8get(V,M) { ((float8get_union *)&(V))->m[0] = *((zend_long*) (M)); \
((float8get_union *)&(V))->m[1] = *(((zend_long*) (M))+1); }
#define float8store(T,V) { *((zend_long *) (T)) = ((float8get_union *)&(V))->m[0]; \
*(((zend_long *) (T))+1) = ((float8get_union *)&(V))->m[1]; }
#define float4get(V,M) { *((float *) &(V)) = *((float*) (M)); }
/* From Andrey Hristov based on float8get */
#define floatget(V,M) memcpy((char*) &(V),(char*) (M),sizeof(float))
#endif /* __i386__ */
/* If we haven't defined sint2korr, which is because the platform is not x86 or it's WIN64 */
#ifndef sint2korr
#define sint2korr(A) (int16_t) (((int16_t) ((zend_uchar) (A)[0])) +\
((int16_t) ((int16_t) (A)[1]) << 8))
#define sint3korr(A) ((int32_t) ((((zend_uchar) (A)[2]) & 128) ? \
(((uint32_t) 255L << 24) | \
(((uint32_t) (zend_uchar) (A)[2]) << 16) |\
(((uint32_t) (zend_uchar) (A)[1]) << 8) | \
((uint32_t) (zend_uchar) (A)[0])) : \
(((uint32_t) (zend_uchar) (A)[2]) << 16) |\
(((uint32_t) (zend_uchar) (A)[1]) << 8) | \
((uint32_t) (zend_uchar) (A)[0])))
#define sint4korr(A) (int32_t) (((uint32_t) ((A)[0])) +\
(((uint32_t) ((A)[1]) << 8)) +\
(((uint32_t) ((A)[2]) << 16)) +\
(((uint32_t) ((A)[3]) << 24)))
#define sint8korr(A) (int64_t) uint8korr(A)
#define uint2korr(A) (uint16_t) (((uint16_t) ((zend_uchar) (A)[0])) +\
((uint16_t) ((zend_uchar) (A)[1]) << 8))
#define uint3korr(A) (uint32_t) (((uint32_t) ((zend_uchar) (A)[0])) +\
(((uint32_t) ((zend_uchar) (A)[1])) << 8) +\
(((uint32_t) ((zend_uchar) (A)[2])) << 16))
#define uint4korr(A) (uint32_t) (((uint32_t) ((zend_uchar) (A)[0])) +\
(((uint32_t) ((zend_uchar) (A)[1])) << 8) +\
(((uint32_t) ((zend_uchar) (A)[2])) << 16) +\
(((uint32_t) ((zend_uchar) (A)[3])) << 24))
#define uint8korr(A) ((uint64_t)(((uint32_t) ((zend_uchar) (A)[0])) +\
(((uint32_t) ((zend_uchar) (A)[1])) << 8) +\
(((uint32_t) ((zend_uchar) (A)[2])) << 16) +\
(((uint32_t) ((zend_uchar) (A)[3])) << 24)) +\
(((uint64_t) (((uint32_t) ((zend_uchar) (A)[4])) +\
(((uint32_t) ((zend_uchar) (A)[5])) << 8) +\
(((uint32_t) ((zend_uchar) (A)[6])) << 16) +\
(((uint32_t) ((zend_uchar) (A)[7])) << 24))) << 32))
#define int2store(T,A) do { uint32_t def_temp= (uint32_t) (A) ;\
*((zend_uchar*) (T)) = (zend_uchar)(def_temp); \
*((zend_uchar*) (T+1)) = (zend_uchar)((def_temp >> 8)); } while (0)
#define int3store(T,A) do { /*lint -save -e734 */\
*(((char *)(T))) = (char) ((A));\
*(((char *)(T))+1) = (char) (((A) >> 8));\
*(((char *)(T))+2) = (char) (((A) >> 16)); \
/*lint -restore */} while (0)
#define int4store(T,A) do { \
*(((char *)(T))) = (char) ((A));\
*(((char *)(T))+1) = (char) (((A) >> 8));\
*(((char *)(T))+2) = (char) (((A) >> 16));\
*(((char *)(T))+3) = (char) (((A) >> 24)); } while (0)
#define int5store(T,A) do { \
*(((char *)(T))) = (char)((A));\
*(((char *)(T))+1) = (char)(((A) >> 8));\
*(((char *)(T))+2) = (char)(((A) >> 16));\
*(((char *)(T))+3) = (char)(((A) >> 24)); \
*(((char *)(T))+4) = (char)(((A) >> 32)); } while (0)
/* Based on int5store() from Andrey Hristov */
#define int6store(T,A) do { \
*(((char *)(T))) = (char)((A));\
*(((char *)(T))+1) = (char)(((A) >> 8));\
*(((char *)(T))+2) = (char)(((A) >> 16));\
*(((char *)(T))+3) = (char)(((A) >> 24)); \
*(((char *)(T))+4) = (char)(((A) >> 32)); \
*(((char *)(T))+5) = (char)(((A) >> 40)); } while (0)
#define int8store(T,A) { uint32_t def_temp= (uint32_t) (A), def_temp2= (uint32_t) ((A) >> 32); \
int4store((T),def_temp); \
int4store((T+4),def_temp2); \
}
#ifdef WORDS_BIGENDIAN
#define float4get(V,M) do { float def_temp;\
((char*) &def_temp)[0] = (M)[3];\
((char*) &def_temp)[1] = (M)[2];\
((char*) &def_temp)[2] = (M)[1];\
((char*) &def_temp)[3] = (M)[0];\
(V)=def_temp; } while (0)
#define float8store(T,V) do { \
*(((char *)(T))) = (char) ((char *) &(V))[7];\
*(((char *)(T))+1) = (char) ((char *) &(V))[6];\
*(((char *)(T))+2) = (char) ((char *) &(V))[5];\
*(((char *)(T))+3) = (char) ((char *) &(V))[4];\
*(((char *)(T))+4) = (char) ((char *) &(V))[3];\
*(((char *)(T))+5) = (char) ((char *) &(V))[2];\
*(((char *)(T))+6) = (char) ((char *) &(V))[1];\
*(((char *)(T))+7) = (char) ((char *) &(V))[0]; } while (0)
#define float8get(V,M) do { double def_temp;\
((char*) &def_temp)[0] = (M)[7];\
((char*) &def_temp)[1] = (M)[6];\
((char*) &def_temp)[2] = (M)[5];\
((char*) &def_temp)[3] = (M)[4];\
((char*) &def_temp)[4] = (M)[3];\
((char*) &def_temp)[5] = (M)[2];\
((char*) &def_temp)[6] = (M)[1];\
((char*) &def_temp)[7] = (M)[0];\
(V) = def_temp; \
} while (0)
#else
#define float4get(V,M) memcpy((char*) &(V),(char*) (M),sizeof(float))
#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
#define float8store(T,V) do { \
*(((char *)(T)))= ((char *) &(V))[4];\
*(((char *)(T))+1)=(char) ((char *) &(V))[5];\
*(((char *)(T))+2)=(char) ((char *) &(V))[6];\
*(((char *)(T))+3)=(char) ((char *) &(V))[7];\
*(((char *)(T))+4)=(char) ((char *) &(V))[0];\
*(((char *)(T))+5)=(char) ((char *) &(V))[1];\
*(((char *)(T))+6)=(char) ((char *) &(V))[2];\
*(((char *)(T))+7)=(char) ((char *) &(V))[3];} while (0)
#define float8get(V,M) do { double def_temp;\
((char*) &def_temp)[0]=(M)[4];\
((char*) &def_temp)[1]=(M)[5];\
((char*) &def_temp)[2]=(M)[6];\
((char*) &def_temp)[3]=(M)[7];\
((char*) &def_temp)[4]=(M)[0];\
((char*) &def_temp)[5]=(M)[1];\
((char*) &def_temp)[6]=(M)[2];\
((char*) &def_temp)[7]=(M)[3];\
(V) = def_temp; } while (0)
#endif /* __FLOAT_WORD_ORDER */
#endif /* WORDS_BIGENDIAN */
#endif /* sint2korr */
/* To here if the platform is not x86 or it's WIN64 */
/* 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 */
#ifndef float8get
#ifdef WORDS_BIGENDIAN
#define float8get(V,M) memcpy((char*) &(V),(char*) (M), sizeof(double))
#define float8store(T,V) memcpy((char*) (T),(char*) &(V), sizeof(double))
#else
#define float8get(V,M) memcpy((char*) &(V),(char*) (M),sizeof(double))
#define float8store(T,V) memcpy((char*) (T),(char*) &(V),sizeof(double))
#endif /* WORDS_BIGENDIAN */
#endif /* float8get */
#endif /* MYSQLND_PORTABILITY_H */