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ULib/include/ulib/base/macro.h
stefanocasazza eeac9aca71 SSE implementation
2017-12-05 17:33:34 +01:00

532 lines
20 KiB
C
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/* ============================================================================
//
// = LIBRARY
// ULib - c library
//
// = FILENAME
// macro.h
//
// = AUTHOR
// Stefano Casazza
//
// ============================================================================ */
#ifndef ULIB_BASE_MACRO_H
#define ULIB_BASE_MACRO_H 1
/* Manage location info */
#define U_SET_LOCATION_INFO (u_num_line = __LINE__, \
u_name_file = __FILE__, \
u_name_function = __PRETTY_FUNCTION__)
/**
* Manage debug for C library
*
* NB: the token preceding the special `##' must be a comma, and there must be white space between that comma and whatever comes immediately before it
*/
#ifdef DEBUG_DEBUG
# define U_INTERNAL_TRACE(format,args...) u_internal_print(false, format"\n" , ##args);
# define U_INTERNAL_PRINT(format,args...) u_internal_print(false, format"\n" , ##args);
#else
# define U_INTERNAL_TRACE(format,args...)
# define U_INTERNAL_PRINT(format,args...)
#endif
/* Design by contract - if (assertion == false) then stop */
#ifdef DEBUG
# define U_ASSERT_MACRO(assertion,msg,info) \
if ((bool)(assertion) == false) { \
u__printf(STDERR_FILENO, U_CONSTANT_TO_PARAM("%W%N%W: %Q%W%s%W\n" \
"-------------------------------------\n" \
" pid: %W%P%W\n" \
" file: %W%s%W\n" \
" line: %W%d%W\n" \
" function: %W%s%W\n" \
" assertion: \"(%W%s%W)\" %W%s%W\n" \
"-------------------------------------"), \
GREEN, YELLOW, -1, CYAN, msg, YELLOW, \
CYAN, YELLOW, \
CYAN, __FILE__, YELLOW, \
CYAN, __LINE__, YELLOW, \
CYAN, __PRETTY_FUNCTION__, YELLOW, \
CYAN, #assertion, YELLOW, MAGENTA, info, YELLOW); }
#elif defined(U_TEST)
# ifdef HAVE_ASSERT_H
# include <assert.h>
# define U_ASSERT_MACRO(assertion,msg,info) assert(assertion);
# else
# ifdef __cplusplus
extern "C" {
# endif
void __assert(const char* __assertion, const char* __file, int __line, const char* __function);
# ifdef __cplusplus
}
# endif
# define U_ASSERT_MACRO(assertion,msg,info) { if ((int)(assertion) == 0) { __assert(#assertion, __FILE__, __LINE__,__PRETTY_FUNCTION__); } }
# endif
#endif
#if defined(DEBUG) || defined(U_TEST)
# if !defined(U_LINUX) || (defined(U_SERVER_CAPTIVE_PORTAL) && !defined(ENABLE_THREAD))
# define U_NULL_POINTER (const void*)0
# else
# define U_NULL_POINTER (const void*)0x0000ffff
# endif
# define U_DEBUG(fmt,args...) { u__printf(STDERR_FILENO, U_CONSTANT_TO_PARAM("%W%N%W: %WDEBUG: %9D (pid %P) " fmt "%W"), BRIGHTCYAN, RESET, YELLOW, ##args, RESET); }
# define U_INTERNAL_ASSERT(expr) { U_ASSERT_MACRO(expr,"ASSERTION FALSE","") }
# define U_INTERNAL_ASSERT_MSG(expr,info) { U_ASSERT_MACRO(expr,"ASSERTION FALSE",info) }
# define U_INTERNAL_ASSERT_MINOR(a,b) { U_ASSERT_MACRO((a)<(b),"NOT LESS","") }
# define U_INTERNAL_ASSERT_MINOR_MSG(a,b,info) { U_ASSERT_MACRO((a)<(b),"NOT LESS",info) }
# define U_INTERNAL_ASSERT_MAJOR(a,b) { U_ASSERT_MACRO((a)>(b),"NOT GREATER","") }
# define U_INTERNAL_ASSERT_MAJOR_MSG(a,b,info) { U_ASSERT_MACRO((a)>(b),"NOT GREATER",info) }
# define U_INTERNAL_ASSERT_EQUALS(a,b) { U_ASSERT_MACRO((a)==(b),"NOT EQUALS","") }
# define U_INTERNAL_ASSERT_EQUALS_MSG(a,b,info) { U_ASSERT_MACRO((a)==(b),"NOT EQUALS",info) }
# define U_INTERNAL_ASSERT_DIFFERS(a,b) { U_ASSERT_MACRO((a)!=(b),"NOT DIFFERENT","") }
# define U_INTERNAL_ASSERT_DIFFERS_MSG(a,b,info) { U_ASSERT_MACRO((a)!=(b),"NOT DIFFERENT",info) }
# define U_INTERNAL_ASSERT_POINTER(ptr) { U_ASSERT_MACRO((const void*)ptr>U_NULL_POINTER,"~NULL POINTER","") }
# define U_INTERNAL_ASSERT_POINTER_MSG(ptr,info) { U_ASSERT_MACRO((const void*)ptr>U_NULL_POINTER,"~NULL POINTER",info) }
# define U_INTERNAL_ASSERT_POINTER_ADDR_SPACE(ptr) { U_ASSERT_MACRO((access((const char*)ptr,F_OK)==0)||(errno!=EFAULT),"INVALID POINTER","") }
# define U_INTERNAL_ASSERT_POINTER_ADDR_SPACE_MSG(ptr,info) { U_ASSERT_MACRO((access((const char*)ptr,F_OK)==0)||(errno!=EFAULT),"INVALID POINTER",info) }
# define U_INTERNAL_ASSERT_RANGE(a,x,b) { U_ASSERT_MACRO((x)>=(a)&&(x)<=(b),"VALUE OUT OF RANGE","") }
# define U_INTERNAL_ASSERT_RANGE_MSG(a,x,b,info) { U_ASSERT_MACRO((x)>=(a)&&(x)<=(b),"VALUE OUT OF RANGE",info) }
#else
# define U_DEBUG(fmt,args...) {}
# define U_INTERNAL_ASSERT(expr)
# define U_INTERNAL_ASSERT_MINOR(a,b)
# define U_INTERNAL_ASSERT_MAJOR(a,b)
# define U_INTERNAL_ASSERT_EQUALS(a,b)
# define U_INTERNAL_ASSERT_DIFFERS(a,b)
# define U_INTERNAL_ASSERT_POINTER(ptr)
# define U_INTERNAL_ASSERT_RANGE(a,x,b)
# define U_INTERNAL_ASSERT_MSG(expr,info)
# define U_INTERNAL_ASSERT_MINOR_MSG(a,b,info)
# define U_INTERNAL_ASSERT_MAJOR_MSG(a,b,info)
# define U_INTERNAL_ASSERT_EQUALS_MSG(a,b,info)
# define U_INTERNAL_ASSERT_DIFFERS_MSG(a,b,info)
# define U_INTERNAL_ASSERT_POINTER_MSG(ptr,info)
# define U_INTERNAL_ASSERT_RANGE_MSG(a,x,b,info)
#endif
/* Manage message info */
#define U_MESSAGE(fmt,args...) \
{ u__printf(STDERR_FILENO, U_CONSTANT_TO_PARAM("%W%N%W: " fmt), BRIGHTCYAN, RESET, ##args); }
#define U_ERROR(fmt,args...) \
{ u_flag_exit = -1; u__printf(STDERR_FILENO, U_CONSTANT_TO_PARAM("%W%N%W: %WERROR: %9D (pid %P) " fmt " - Exiting...%W"), BRIGHTCYAN, RESET, RED, ##args, RESET); }
#define U_ABORT(fmt,args...) \
{ u_flag_exit = -2; u__printf(STDERR_FILENO, U_CONSTANT_TO_PARAM("%W%N%W: %WABORT: %9D (pid %P) " fmt "%W"), BRIGHTCYAN, RESET, RED, ##args, RESET); }
#define U_WARNING(fmt,args...) \
{ u_flag_exit = 2; u__printf(STDERR_FILENO, U_CONSTANT_TO_PARAM("%W%N%W: %WWARNING: %9D (pid %P) " fmt "%W"), BRIGHTCYAN, RESET, YELLOW, ##args, RESET); }
#define U_ERROR_SYSCALL(msg) U_ERROR("%R",msg)
#define U_ABORT_SYSCALL(msg) U_ABORT("%R",msg)
#define U_WARNING_SYSCALL(msg) U_WARNING("%R",msg)
/* Get string costant size from compiler */
#define U_CONSTANT_SIZE(str) (unsigned int)(sizeof(str)-1)
#define U_CONSTANT_TO_PARAM(str) str,U_CONSTANT_SIZE(str)
#define U_CONSTANT_TO_TRACE(str) U_CONSTANT_SIZE(str),str
#define U_STREQ(a,n,b) (n == U_CONSTANT_SIZE(b) && (memcmp((const char* restrict)(a),b,U_CONSTANT_SIZE(b)) == 0))
#define U_STREQ2(a,b) U_STREQ(a,strlen(a),b)
/* Defs */
#ifndef U_min
#define U_min(x,y) ((x) <= (y) ? (x) : (y))
#endif
#ifndef U_max
#define U_max(x,y) ((x) >= (y) ? (x) : (y))
#endif
#ifndef U_abs
#define U_abs(x,y) ((x) >= (y) ? (x-y) : (y-x))
#endif
#define U_ENTRY(name) {name, #name}
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
#ifndef PAGESIZE
#define PAGESIZE 4096U
#endif
#ifndef HOST_NAME_MAX
#define HOST_NAME_MAX 64
#endif
#ifndef MAX_FILENAME_LEN
#define MAX_FILENAME_LEN 255U
#endif
#define U_1M (1U*1024U*1024U)
#define U_2M (2U*1024U*1024U)
#define U_1G (1024U*1024U*1024U)
#define U_2M_MASK (U_2M-1)
#define U_1G_MASK (U_1G-1)
#define U_PAGEMASK (PAGESIZE-1)
#define U_TO_FREE ((uint32_t)-2)
#define U_NOT_FOUND ((uint32_t)-1)
#define U_ONE_HOUR_IN_SECOND (60L * 60L)
#define U_ONE_DAY_IN_SECOND (24L * U_ONE_HOUR_IN_SECOND)
#define U_ONE_WEEK_IN_SECOND ( 7L * U_ONE_DAY_IN_SECOND)
#define U_ONE_MONTH_IN_SECOND (31L * U_ONE_DAY_IN_SECOND)
#define U_ONE_YEAR_IN_SECOND (12L * U_ONE_MONTH_IN_SECOND)
#define U_NUM_ELEMENTS(array) (unsigned int)(sizeof(array) / sizeof(array[0]))
enum AffermationType {
U_MAYBE = 0x0000,
U_YES = 0x0001,
U_NOT = 0x0002,
U_PARTIAL = 0x0004,
U_CLOSE = 0x0008
};
#define GZIP_MAGIC "\037\213" /* Magic header for gzip files, (1F 8B) */
/* MIME type */
#define U_know 'K'
#define U_unknow -1
#define U_css 'c' /* text/css */
#define U_flv 'f' /* video/x-flv */
#define U_gif 'g' /* image/gif */
#define U_html 'h' /* text/html */
#define U_ico 'i' /* image/x-icon */
#define U_js 'j' /* application/javascript */
#define U_png 'p' /* image/png */
#define U_svg 's' /* image/svg+xml */
#define U_txt 't' /* text/plain */
#define U_jpg 'J' /* image/jpg */
#define U_gz 'Z' /* gzip */
#define U_br 'B' /* brotli */
/* MIME type for dynamic content */
#define U_usp '0' /* USP (ULib Servlet Page) */
#define U_csp '1' /* CSP (C Servlet Page) */
#define U_cgi '2' /* cgi-bin */
#define U_ssi '3' /* SSI */
#define U_php '4' /* PHP script */
#define U_ruby '5' /* Ruby script */
#define U_perl '6' /* Perl script */
#define U_python '7' /* Python script */
#define U_CTYPE_TEXT "text/plain"
#define U_CTYPE_HTML "text/html; charset=UTF-8"
#define U_CTYPE_TEXT_WITH_CHARSET "text/plain; charset=UTF-8"
/**
* Enumeration of Hash (Digest) types
*
* The hash types known to openssl
*/
typedef enum {
U_HASH_MD2 = 0,
U_HASH_MD5 = 1,
U_HASH_SHA = 2,
U_HASH_SHA1 = 3,
U_HASH_SHA224 = 4,
U_HASH_SHA256 = 5,
U_HASH_SHA384 = 6,
U_HASH_SHA512 = 7,
U_HASH_MDC2 = 8,
U_HASH_RIPEMD160 = 9
} UHashType;
#if SIZEOF_LONG == 4
# define U_INT2PTR(x) ((void*)(long)(x))
#else
# define U_INT2PTR(x) ((void*)((long)(x) & 0x00000000FFFFFFFFULL))
#endif
#define U_PTR2INT(x) ((unsigned int)(long)x)
union uucflag {
unsigned char c[4];
uint16_t lo;
uint16_t hi;
uint32_t u;
};
union uucflag64 {
unsigned char c[8];
uint32_t s;
uint64_t u;
};
/* Type of file sizes and offsets (LFS) */
#if SIZEOF_OFF_T == SIZEOF_LONG
# define u_strtooff(nptr,endptr,base) (off_t) strtol((nptr),(char**)(endptr),(base))
#else
# define u_strtooff(nptr,endptr,base) (off_t) strtoll((nptr),(char**)(endptr),(base))
# if SIZEOF_OFF_T != 8
# error ERROR: unexpected size of SIZEOF_OFF_T
# endif
#endif
#ifdef ENABLE_LFS
# define U_SEEK_BEGIN 0LL
#else
# define U_SEEK_BEGIN 0L
#endif
/* Line terminator */
#define U_LF "\n"
#define U_LF2 "\n\n"
#define U_CRLF "\r\n"
#define U_CRLF2 "\r\n\r\n"
#define U_CONCAT2(a,b) a##b
#define U_CONCAT3(a,b,c) a##b##c
/* These two macros makes it possible to turn the builtin line expander into a string literal */
#define U_STRINGIFY2(x) #x
#define U_STRINGIFY(x) U_STRINGIFY2(x)
/* Provide convenience macros for handling structure fields through their offsets */
#ifndef offsetof
#define offsetof(st,m) ((long)(&((st*)0)->m))
#endif
#define U_STRUCT_MEMBER_SIZE(type,member) (sizeof(((type*)0)->member))
#define U_STRUCT_MEMBER_OFFSET(type,member) (&((type*)0)->member)
#define U_STRUCT_IS_LAST_MEMBER(type,member) (U_STRUCT_MEMBER_END_OFFSET(type,member) == sizeof(type))
#define U_STRUCT_MEMBER_END_OFFSET(type,member) (U_STRUCT_MEMBER_SIZE(type,member) + U_STRUCT_OFFSET(type,member))
/**
* x86 allows unaligned reads and writes (so for example you can read a 16-bit value
* from a non-even address), but other architectures do not (ARM will raise SIGILL)
*/
#ifndef HAVE_NO_UNALIGNED_ACCESSES
# define u_get_unalignedp16(ptr) (*(uint16_t*)(ptr))
# define u_get_unalignedp32(ptr) (*(uint32_t*)(ptr))
# define u_get_unalignedp64(ptr) (*(uint64_t*)(ptr))
# define u_put_unalignedp16(ptr,val) (*(uint16_t*)(ptr) = (val))
# define u_put_unalignedp32(ptr,val) (*(uint32_t*)(ptr) = (val))
# define u_put_unalignedp64(ptr,val) (*(uint64_t*)(ptr) = (val))
# define u_parse_unalignedp16(p) ntohs(*(uint16_t*)(p))
# define u_parse_unalignedp32(p) ntohl(*(uint32_t*)(p))
#else
struct u_una_u16 { uint16_t x __attribute__((packed)); };
struct u_una_u32 { uint32_t x __attribute__((packed)); };
struct u_una_u64 { uint64_t x __attribute__((packed)); };
static inline uint16_t u_get_unalignedp16(const void* p) { const struct u_una_u16* ptr = (const struct u_una_u16*)p; return ptr->x; }
static inline uint32_t u_get_unalignedp32(const void* p) { const struct u_una_u32* ptr = (const struct u_una_u32*)p; return ptr->x; }
static inline uint64_t u_get_unalignedp64(const void* p) { const struct u_una_u64* ptr = (const struct u_una_u64*)p; return ptr->x; }
static inline void u_put_unalignedp16( void* p, uint16_t val) { struct u_una_u16* ptr = ( struct u_una_u16*)p; ptr->x = val; }
static inline void u_put_unalignedp32( void* p, uint32_t val) { struct u_una_u32* ptr = ( struct u_una_u32*)p; ptr->x = val; }
static inline void u_put_unalignedp64( void* p, uint64_t val) { struct u_una_u64* ptr = ( struct u_una_u64*)p; ptr->x = val; }
# define u_parse_unalignedp16(p) ( (p)[0]<< 8|(p)[1])
# define u_parse_unalignedp32(p) ((uint32_t)(p)[0]<<24|(p)[1]<<16|(ptr)[2]<< 8|(ptr)[3])
#endif
#if defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ < 408 && !defined(__clang__) // __builtin_bswap16 was missing prior to GCC 4.8
# define U_BYTESWAP16(x) (uint16_t)(__builtin_bswap32((uint32_t)(x) << 16))
#else
# define U_BYTESWAP16 __builtin_bswap16
#endif
#define U_BYTESWAP32 __builtin_bswap32
#define U_BYTESWAP64 __builtin_bswap64
/**
* u_get_unaligned - get value from possibly mis-aligned location
*
* This macro should be used for accessing values larger in size than
* single bytes at locations that are expected to be improperly aligned
*
* Note that unaligned accesses can be very expensive on some architectures
*/
#define u_get_unaligned16(ref) u_get_unalignedp16(&(ref))
#define u_get_unaligned32(ref) u_get_unalignedp32(&(ref))
#define u_get_unaligned64(ref) u_get_unalignedp64(&(ref))
/**
* u_put_unaligned - put value to a possibly mis-aligned location
*
* This macro should be used for placing values larger in size than
* single bytes at locations that are expected to be improperly aligned
*
* Note that unaligned accesses can be very expensive on some architectures
*/
#define u_put_unaligned16(ref,val) u_put_unalignedp16(&(ref),(uint16_t)(val))
#define u_put_unaligned32(ref,val) u_put_unalignedp32(&(ref),(uint32_t)(val))
#define u_put_unaligned64(ref,val) u_put_unalignedp64(&(ref),(uint64_t)(val))
/* Endian order (network byte order is big endian) */
#if __BYTE_ORDER == __LITTLE_ENDIAN /* the host byte order is Least Significant Byte first */
# define u_htonll(x) (((uint64_t)htonl((uint32_t)x))<<32 | htonl((uint32_t)(x>>32)))
# define u_ntohll(x) (((uint64_t)ntohl((uint32_t)x))<<32 | ntohl((uint32_t)(x>>32)))
# define u_test_bit(n,c) (((c) & (1 << n)) != 0)
# define U_NUM2STR16( ptr,val1) u_put_unalignedp16((ptr),u_get_unalignedp16(u_ctn2s+((val1)*2)))
# define U_NUM2STR32(ptr,val1,val2) u_put_unalignedp32((ptr),u_get_unalignedp16(u_ctn2s+((val1)*2))|\
u_get_unalignedp16(u_ctn2s+((val2)*2))<<16)
# define U_NUM2STR64(ptr,c,val1,val2,val3) u_put_unalignedp64((ptr),u_get_unalignedp16(u_ctn2s+((val1)*2))|\
(uint64_t)(c)<<16|\
((uint64_t)u_get_unalignedp16(u_ctn2s+((val2)*2))<<24)|\
(uint64_t)(c)<<40|\
((uint64_t)u_get_unalignedp16(u_ctn2s+((val3)*2))<<48))
# define U_MULTICHAR_CONSTANT16(a,b) (uint16_t)((uint8_t)(a)|\
(uint8_t)(b)<<8)
# define U_MULTICHAR_CONSTANT32(a,b,c,d) (uint32_t)((uint8_t)(a)|\
(uint8_t)(b)<<8|\
(uint8_t)(c)<<16|\
(uint8_t)(d)<<24)
# define U_MULTICHAR_CONSTANT64(a,b,c,d,e,f,g,h) (uint64_t)((uint64_t)(a)|\
((uint64_t)(b))<<8|\
((uint64_t)(c))<<16|\
((uint64_t)(d))<<24|\
((uint64_t)(e))<<32|\
((uint64_t)(f))<<40|\
((uint64_t)(g))<<48|\
((uint64_t)(h))<<56)
#else /* the host byte order is Most Significant Byte first */
# define u_htonll(x) (x)
# define u_ntohll(x) (x)
# define u_test_bit(n,c) ((((c) >> n) & 1) != 0)
# define u_invert32(n) (((n) >> 24) | \
(((n) >> 8) & 0x0000ff00) | \
(((n) << 8) & 0x00ff0000) | \
( (n) << 24))
# define U_NUM2STR16(ptr,val1) u_put_unalignedp16((ptr),(uint16_t)((uint8_t)(u_ctn2s[((val1)*2)+1])|\
(uint8_t)(u_ctn2s[((val1)*2)])<<8))
# define U_NUM2STR32(ptr,val2,val1) u_put_unalignedp32((ptr),(uint16_t)((uint8_t)(u_ctn2s[((val1)*2)+1])|\
(uint8_t)(u_ctn2s[((val1)*2)])<<8)|\
((uint16_t)((uint8_t)(u_ctn2s[((val2)*2)+1])|\
(uint8_t)(u_ctn2s[((val2)*2)])<<8))<<16)
# define U_NUM2STR64(ptr,c,val3,val2,val1) u_put_unalignedp64((ptr),((uint64_t)((uint8_t)(u_ctn2s[((val1)*2)+1])|\
(uint8_t)(u_ctn2s[((val1)*2)])<<8))|\
(((uint64_t)(c))<<16)|\
(((uint64_t)((uint8_t)(u_ctn2s[((val2)*2)+1])|\
(uint8_t)(u_ctn2s[((val2)*2)])<<8))<<24)|\
(((uint64_t)(c))<<40)|\
(((uint64_t)((uint8_t)(u_ctn2s[((val3)*2)+1])|\
(uint8_t)(u_ctn2s[((val3)*2)])<<8))<<48))
# define U_MULTICHAR_CONSTANT16(b,a) (uint16_t)((uint8_t)(a)|\
(uint8_t)(b)<<8)
# define U_MULTICHAR_CONSTANT32(d,c,b,a) (uint32_t)((uint8_t)(a)|\
(uint8_t)(b)<<8|\
(uint8_t)(c)<<16|\
(uint8_t)(d)<<24)
# define U_MULTICHAR_CONSTANT64(h,g,f,e,d,c,b,a) (uint64_t)((uint64_t)(a)|\
((uint64_t)(b))<<8|\
((uint64_t)(c))<<16|\
((uint64_t)(d))<<24|\
((uint64_t)(e))<<32|\
((uint64_t)(f))<<40|\
((uint64_t)(g))<<48|\
((uint64_t)(h))<<56)
#endif
/* Check for dot entry in directory */
#define U_ISDOTS(d_name) ( d_name[0] == '.' && \
( d_name[1] == '\0' || \
(d_name[1] == '.' && \
d_name[2] == '\0')))
/* Memory alignment for pointer */
#define U_MEMORY_ALIGNMENT(ptr, alignment) ptr += alignment-((long)ptr & (alignment-1))
/* Manage number suffix */
#define U_NUMBER_SUFFIX(num,suffix) \
switch (suffix) { \
case 'G': num <<= 10; /* FALLTHRU */ \
case 'M': num <<= 10; /* FALLTHRU */ \
case 'K': /* FALLTHRU */ \
case 'k': num <<= 10; /* FALLTHRU */ }
#endif
/* Optimization if it is enough a resolution of one second */
#if defined(U_LINUX) && defined(ENABLE_THREAD)
# define U_gettimeofday { if (u_pthread_time == U_NULLPTR) u_now->tv_sec = time(U_NULLPTR); }
#else
# define U_gettimeofday u_now->tv_sec = time(U_NULLPTR);
#endif
/* To print size of class */
#define U_PRINT_SIZEOF(class) printf("%lu sizeof(%s)\n", sizeof(class), #class)
/* Avoid "unused parameter" warnings */
#if defined(DEBUG) || defined(DEBUG_DEBUG)
# define U_VAR_UNUSED(x)
#else
# define U_VAR_UNUSED(x) (void)x;
#endif
/* #undef PLATFORM_VAR */
#ifndef PLATFORM_VAR
#define PLATFORM_VAR ""
#endif
/* Some useful macros for conditionally compiling memcheck features... */
#ifndef HAVE_ARCH64
# define U_CHECK_MEMORY_SENTINEL 0x0a1b2c3d
# define U_CHECK_MEMORY_SENTINEL_STR "0x0a1b2c3d"
#else
# define U_CHECK_MEMORY_SENTINEL 0x0a1b2c3d4e5f6789
# define U_CHECK_MEMORY_SENTINEL_STR "0x0a1b2c3d4e5f6789"
#endif
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