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/*************************************************************************************************
* System-dependent configurations of Tokyo Cabinet
* Copyright (C) 2006-2009 Mikio Hirabayashi
* This file is part of Tokyo Cabinet.
* Tokyo Cabinet is free software; you can redistribute it and/or modify it under the terms of
* the GNU Lesser General Public License as published by the Free Software Foundation; either
* version 2.1 of the License or any later version. Tokyo Cabinet is distributed in the hope
* that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
* You should have received a copy of the GNU Lesser General Public License along with Tokyo
* Cabinet; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA.
*************************************************************************************************/


#ifndef _MYCONF_H // duplication check
#define _MYCONF_H



/*************************************************************************************************
* system discrimination
*************************************************************************************************/


#if defined(__linux__)

#define _SYS_LINUX_
#define TCSYSNAME "Linux"

#elif defined(__FreeBSD__)

#define _SYS_FREEBSD_
#define TCSYSNAME "FreeBSD"

#elif defined(__NetBSD__)

#define _SYS_NETBSD_
#define TCSYSNAME "NetBSD"

#elif defined(__OpenBSD__)

#define _SYS_OPENBSD_
#define TCSYSNAME "OpenBSD"

#elif defined(__sun__)

#define _SYS_SUNOS_
#define TCSYSNAME "SunOS"

#elif defined(__hpux)

#define _SYS_HPUX_
#define TCSYSNAME "HP-UX"

#elif defined(__osf)

#define _SYS_TRU64_
#define TCSYSNAME "Tru64"

#elif defined(_AIX)

#define _SYS_AIX_
#define TCSYSNAME "AIX"

#elif defined(__APPLE__) && defined(__MACH__)

#define _SYS_MACOSX_
#define TCSYSNAME "Mac OS X"

#elif defined(_MSC_VER)

#define _SYS_MSVC_
#define TCSYSNAME "Windows (VC++)"

#elif defined(_WIN32)

#define _SYS_MINGW_
#define TCSYSNAME "Windows (MinGW)"

#elif defined(__CYGWIN__)

#define _SYS_CYGWIN_
#define TCSYSNAME "Windows (Cygwin)"

#else

#define _SYS_GENERIC_
#define TCSYSNAME "Generic"

#endif



/*************************************************************************************************
* common settings
*************************************************************************************************/


#if defined(NDEBUG)
#define TCDODEBUG(TC_expr) \
do { \
} while(false)
#else
#define TCDODEBUG(TC_expr) \
do { \
TC_expr; \
} while(false)
#endif

#define TCSWAB16(TC_num) \
( \
((TC_num & 0x00ffU) << 8) | \
((TC_num & 0xff00U) >> 8) \
)

#define TCSWAB32(TC_num) \
( \
((TC_num & 0x000000ffUL) << 24) | \
((TC_num & 0x0000ff00UL) << 8) | \
((TC_num & 0x00ff0000UL) >> 8) | \
((TC_num & 0xff000000UL) >> 24) \
)

#define TCSWAB64(TC_num) \
( \
((TC_num & 0x00000000000000ffULL) << 56) | \
((TC_num & 0x000000000000ff00ULL) << 40) | \
((TC_num & 0x0000000000ff0000ULL) << 24) | \
((TC_num & 0x00000000ff000000ULL) << 8) | \
((TC_num & 0x000000ff00000000ULL) >> 8) | \
((TC_num & 0x0000ff0000000000ULL) >> 24) | \
((TC_num & 0x00ff000000000000ULL) >> 40) | \
((TC_num & 0xff00000000000000ULL) >> 56) \
)

#if defined(_MYBIGEND) || defined(_MYSWAB)
#define TCBIGEND 1
#define TCHTOIS(TC_num) TCSWAB16(TC_num)
#define TCHTOIL(TC_num) TCSWAB32(TC_num)
#define TCHTOILL(TC_num) TCSWAB64(TC_num)
#define TCITOHS(TC_num) TCSWAB16(TC_num)
#define TCITOHL(TC_num) TCSWAB32(TC_num)
#define TCITOHLL(TC_num) TCSWAB64(TC_num)
#else
#define TCBIGEND 0
#define TCHTOIS(TC_num) (TC_num)
#define TCHTOIL(TC_num) (TC_num)
#define TCHTOILL(TC_num) (TC_num)
#define TCITOHS(TC_num) (TC_num)
#define TCITOHL(TC_num) (TC_num)
#define TCITOHLL(TC_num) (TC_num)
#endif

#if defined(_SYS_LINUX_) || defined(_SYS_FREEBSD_) || defined(_SYS_NETBSD_) || \
defined(_SYS_MACOSX_) || defined(_SYS_SUNOS_)
#define TCUBCACHE 1
#else
#define TCUBCACHE 0
#endif

#if defined(_MYNOZLIB)
#define TCUSEZLIB 0
#else
#define TCUSEZLIB 1
#endif

#if defined(_MYNOBZIP)
#define TCUSEBZIP 0
#else
#define TCUSEBZIP 1
#endif

#if defined(_MYEXLZMA)
#define TCUSEEXLZMA 1
#else
#define TCUSEEXLZMA 0
#endif

#if defined(_MYEXLZO)
#define TCUSEEXLZO 1
#else
#define TCUSEEXLZO 0
#endif

#if defined(_MYNOPTHREAD)
#define TCUSEPTHREAD 0
#else
#define TCUSEPTHREAD 1
#endif

#if defined(_MYMICROYIELD)
#define TCMICROYIELD 1
#else
#define TCMICROYIELD 0
#endif

#define MYMALLOC malloc
#define MYCALLOC calloc
#define MYREALLOC realloc
#define MYFREE free



/*************************************************************************************************
* general headers
*************************************************************************************************/


#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <float.h>
#include <limits.h>
#include <locale.h>
#include <math.h>
#include <setjmp.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <time.h>

#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>

#include <unistd.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <dirent.h>
#include <regex.h>
#include <glob.h>

#if TCUSEPTHREAD
#include <pthread.h>
#if defined(_POSIX_PRIORITY_SCHEDULING)
#include <sched.h>
#endif
#endif



/*************************************************************************************************
* miscellaneous hacks
*************************************************************************************************/


#define sizeof(a) ((int)sizeof(a))

#if defined(_SYS_FREEBSD_) || defined(_SYS_NETBSD_) || defined(_SYS_OPENBSD_)
#define nan(TC_a) strtod("nan", NULL)
#endif

#if ! defined(PATH_MAX)
#if defined(MAXPATHLEN)
#define PATH_MAX MAXPATHLEN
#else
#define PATH_MAX 4096
#endif
#endif


extern int _tc_dummy_cnt;

int _tc_dummyfunc(void);

int _tc_dummyfuncv(int a, ...);



/*************************************************************************************************
* notation of filesystems
*************************************************************************************************/


#define MYPATHCHR '/'
#define MYPATHSTR "/"
#define MYEXTCHR '.'
#define MYEXTSTR "."
#define MYCDIRSTR "."
#define MYPDIRSTR ".."



/*************************************************************************************************
* for ZLIB
*************************************************************************************************/


enum {
  _TCZMZLIB,
  _TCZMRAW,
  _TCZMGZIP
};


extern char *(*_tc_deflate)(const char *, int, int *, int);

extern char *(*_tc_inflate)(const char *, int, int *, int);

extern unsigned int (*_tc_getcrc)(const char *, int);



/*************************************************************************************************
* for BZIP2
*************************************************************************************************/


extern char *(*_tc_bzcompress)(const char *, int, int *);

extern char *(*_tc_bzdecompress)(const char *, int, int *);



/*************************************************************************************************
* for test of custom codec functions
*************************************************************************************************/


void *_tc_recencode(const void *ptr, int size, int *sp, void *op);

void *_tc_recdecode(const void *ptr, int size, int *sp, void *op);



/*************************************************************************************************
* for POSIX thread disability
*************************************************************************************************/


#if ! TCUSEPTHREAD

#define pthread_t intptr_t

#define pthread_once_t intptr_t
#undef PTHREAD_ONCE_INIT
#define PTHREAD_ONCE_INIT 0
#define pthread_once(TC_a, TC_b) _tc_dummyfuncv((intptr_t)(TC_a), (TC_b))

#define pthread_mutexattr_t intptr_t
#undef PTHREAD_MUTEX_RECURSIVE
#define PTHREAD_MUTEX_RECURSIVE 0
#define pthread_mutexattr_init(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_mutexattr_destroy(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_mutexattr_settype(TC_a, TC_b) _tc_dummyfuncv((intptr_t)(TC_a), (TC_b))

#define pthread_mutex_t intptr_t
#undef PTHREAD_MUTEX_INITIALIZER
#define PTHREAD_MUTEX_INITIALIZER 0
#define pthread_mutex_init(TC_a, TC_b) _tc_dummyfuncv((intptr_t)(TC_a), (TC_b))
#define pthread_mutex_destroy(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_mutex_lock(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_mutex_unlock(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))

#define pthread_rwlock_t intptr_t
#undef PTHREAD_RWLOCK_INITIALIZER
#define PTHREAD_RWLOCK_INITIALIZER 0
#define pthread_rwlock_init(TC_a, TC_b) _tc_dummyfuncv((intptr_t)(TC_a), (TC_b))
#define pthread_rwlock_destroy(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_rwlock_rdlock(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_rwlock_wrlock(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_rwlock_unlock(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))

#define pthread_key_t intptr_t
#define pthread_key_create(TC_a, TC_b) _tc_dummyfuncv((intptr_t)(TC_a), (TC_b))
#define pthread_key_delete(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_setspecific(TC_a, TC_b) _tc_dummyfuncv((intptr_t)(TC_a))
#define pthread_getspecific(TC_a) _tc_dummyfuncv((intptr_t)(TC_a))

#define pthread_create(TC_th, TC_attr, TC_func, TC_arg) \
(*(TC_th) = 0, (TC_func)(TC_arg), 0)
#define pthread_join(TC_th, TC_rv) (*(TC_rv) = NULL, 0)
#define pthread_detach(TC_th) 0
#define sched_yield() _tc_dummyfunc()

#endif

#if TCUSEPTHREAD && TCMICROYIELD
#define TCTESTYIELD() \
do { \
if(((++_tc_dummy_cnt) & (0x20 - 1)) == 0){ \
sched_yield(); \
if(_tc_dummy_cnt > 0x1000) _tc_dummy_cnt = (uint32_t)time(NULL) % 0x1000; \
} \
} while(false)
#undef assert
#define assert(TC_expr) \
do { \
if(!(TC_expr)){ \
fprintf(stderr, "assertion failed: %s\n", #TC_expr); \
abort(); \
} \
TCTESTYIELD(); \
} while(false)
#define if(TC_cond) \
if((((++_tc_dummy_cnt) & (0x100 - 1)) != 0 || (sched_yield() * 0) == 0) && (TC_cond))
#define while(TC_cond) \
while((((++_tc_dummy_cnt) & (0x100 - 1)) != 0 || (sched_yield() * 0) == 0) && (TC_cond))
#else
#define TCTESTYIELD() \
do { \
} while(false)
#endif

#if !defined(_POSIX_PRIORITY_SCHEDULING) && TCUSEPTHREAD
#define sched_yield() usleep(1000 * 20)
#endif



/*************************************************************************************************
* utilities for implementation
*************************************************************************************************/


#define TCNUMBUFSIZ 32 // size of a buffer for a number

/* set a buffer for a variable length number */
#define TCSETVNUMBUF(TC_len, TC_buf, TC_num) \
do { \
int _TC_num = (TC_num); \
if(_TC_num == 0){ \
((signed char *)(TC_buf))[0] = 0; \
(TC_len) = 1; \
} else { \
(TC_len) = 0; \
while(_TC_num > 0){ \
int _TC_rem = _TC_num & 0x7f; \
_TC_num >>= 7; \
if(_TC_num > 0){ \
((signed char *)(TC_buf))[(TC_len)] = -_TC_rem - 1; \
} else { \
((signed char *)(TC_buf))[(TC_len)] = _TC_rem; \
} \
(TC_len)++; \
} \
} \
} while(false)

/* set a buffer for a variable length number of 64-bit */
#define TCSETVNUMBUF64(TC_len, TC_buf, TC_num) \
do { \
long long int _TC_num = (TC_num); \
if(_TC_num == 0){ \
((signed char *)(TC_buf))[0] = 0; \
(TC_len) = 1; \
} else { \
(TC_len) = 0; \
while(_TC_num > 0){ \
int _TC_rem = _TC_num & 0x7f; \
_TC_num >>= 7; \
if(_TC_num > 0){ \
((signed char *)(TC_buf))[(TC_len)] = -_TC_rem - 1; \
} else { \
((signed char *)(TC_buf))[(TC_len)] = _TC_rem; \
} \
(TC_len)++; \
} \
} \
} while(false)

/* read a variable length buffer */
#define TCREADVNUMBUF(TC_buf, TC_num, TC_step) \
do { \
TC_num = 0; \
int _TC_base = 1; \
int _TC_i = 0; \
while(true){ \
if(((signed char *)(TC_buf))[_TC_i] >= 0){ \
TC_num += ((signed char *)(TC_buf))[_TC_i] * _TC_base; \
break; \
} \
TC_num += _TC_base * (((signed char *)(TC_buf))[_TC_i] + 1) * -1; \
_TC_base <<= 7; \
_TC_i++; \
} \
(TC_step) = _TC_i + 1; \
} while(false)

/* read a variable length buffer */
#define TCREADVNUMBUF64(TC_buf, TC_num, TC_step) \
do { \
TC_num = 0; \
long long int _TC_base = 1; \
int _TC_i = 0; \
while(true){ \
if(((signed char *)(TC_buf))[_TC_i] >= 0){ \
TC_num += ((signed char *)(TC_buf))[_TC_i] * _TC_base; \
break; \
} \
TC_num += _TC_base * (((signed char *)(TC_buf))[_TC_i] + 1) * -1; \
_TC_base <<= 7; \
_TC_i++; \
} \
(TC_step) = _TC_i + 1; \
} while(false)

/* calculate the size of a buffer for a variable length number */
#define TCCALCVNUMSIZE(TC_num) \
((TC_num) < 0x80 ? 1 : (TC_num) < 0x4000 ? 2 : (TC_num) < 0x200000 ? 3 : \
(TC_num) < 0x10000000 ? 4 : 5)

/* compare keys of two records by lexical order */
#define TCCMPLEXICAL(TC_rv, TC_aptr, TC_asiz, TC_bptr, TC_bsiz) \
do { \
(TC_rv) = 0; \
int _TC_min = (TC_asiz) < (TC_bsiz) ? (TC_asiz) : (TC_bsiz); \
for(int _TC_i = 0; _TC_i < _TC_min; _TC_i++){ \
if(((unsigned char *)(TC_aptr))[_TC_i] != ((unsigned char *)(TC_bptr))[_TC_i]){ \
(TC_rv) = ((unsigned char *)(TC_aptr))[_TC_i] - ((unsigned char *)(TC_bptr))[_TC_i]; \
break; \
} \
} \
if((TC_rv) == 0) (TC_rv) = (TC_asiz) - (TC_bsiz); \
} while(false)



#endif // duplication check


// END OF FILE
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