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//usr/include/mysql/server/little_endian.h

/* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */

/*
  Data in little-endian format.
*/

#ifndef MY_BYTE_ORDER_ARCH_OPTIMIZED
#define float4get(V,M)   memcpy(&V, (M), sizeof(float))
#define float4store(V,M) memcpy(V, (&M), sizeof(float))
#define float8get(V,M)   doubleget((V),(M))
#define float8store(V,M) doublestore((V),(M))

/* Bi-endian hardware.... */
#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
#define doublestore(T,V) do { *(((char*)T)+0)=(char) ((uchar *) &V)[4];\
                              *(((char*)T)+1)=(char) ((uchar *) &V)[5];\
                              *(((char*)T)+2)=(char) ((uchar *) &V)[6];\
                              *(((char*)T)+3)=(char) ((uchar *) &V)[7];\
                              *(((char*)T)+4)=(char) ((uchar *) &V)[0];\
                              *(((char*)T)+5)=(char) ((uchar *) &V)[1];\
                              *(((char*)T)+6)=(char) ((uchar *) &V)[2];\
                              *(((char*)T)+7)=(char) ((uchar *) &V)[3]; }\
                         while(0)
#define doubleget(V,M)   do { double def_temp;\
                              ((uchar*) &def_temp)[0]=(M)[4];\
                              ((uchar*) &def_temp)[1]=(M)[5];\
                              ((uchar*) &def_temp)[2]=(M)[6];\
                              ((uchar*) &def_temp)[3]=(M)[7];\
                              ((uchar*) &def_temp)[4]=(M)[0];\
                              ((uchar*) &def_temp)[5]=(M)[1];\
                              ((uchar*) &def_temp)[6]=(M)[2];\
                              ((uchar*) &def_temp)[7]=(M)[3];\
                              (V) = def_temp; } while(0)
#else /* Bi-endian hardware.... */

/* Cast away type qualifiers (necessary as macro takes argument by value). */
#define doublestore(T,V) memcpy((T), (void*) &V, sizeof(double))
#define doubleget(V,M)	 memcpy(&V, (M), sizeof(double))

#endif /* Bi-endian hardware.... */

#endif /* !MY_BYTE_ORDER_ARCH_OPTIMIZED */

#define ushortget(V,M)	do { uchar *pM= (uchar*)(M);V = uint2korr(pM);} while(0)
#define shortget(V,M)	do { uchar *pM= (uchar*)(M);V = sint2korr(pM);} while(0)
#define longget(V,M)	do { uchar *pM= (uchar*)(M);V = sint4korr(pM);} while(0)
#define ulongget(V,M)   do { uchar *pM= (uchar*)(M);V = uint4korr(pM);} while(0)
#define shortstore(T,V) int2store(T,V)
#define longstore(T,V)	int4store(T,V)

#ifndef floatstore
/* Cast away type qualifiers (necessary as macro takes argument by value). */
#define floatstore(T,V)  memcpy((T), (void*) (&V), sizeof(float))
#define floatget(V,M)    memcpy(&V, (M), sizeof(float))
#endif
#ifndef doubleget
#define doubleget(V,M)	 memcpy(&V, (M), sizeof(double))
#define doublestore(T,V) memcpy((T), (void *) &V, sizeof(double))
#endif /* doubleget */

#define longlongget(V,M) memcpy(&V, (M), sizeof(ulonglong))
#define longlongstore(T,V) memcpy((T), &V, sizeof(ulonglong))

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mysql DIR	-	drwxr-xr-x	2026-02-05 23:02:33	Edit Download recursive recursive
private DIR	-	drwxr-xr-x	2026-02-05 23:02:33	Edit Download recursive recursive
big_endian.h	4.40 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
byte_order_generic.h	5.12 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
byte_order_generic_x86.h	4.18 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
byte_order_generic_x86_64.h	4.03 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
decimal.h	4.81 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
errmsg.h	4.31 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
handler_ername.h	4.50 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
handler_state.h	758 B	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
json_lib.h	13.88 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
keycache.h	8.62 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
little_endian.h	3.49 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
mariadb_capi_rename.h	3.34 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
ma_dyncol.h	7.86 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
mysql.h	39.11 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
mysqld_ername.h	125.48 KB	lrw-r--r--	2026-01-31 17:29:11	Edit Download recursive recursive
mysqld_error.h	47.25 KB	lrw-r--r--	2026-01-31 17:29:11	Edit Download recursive recursive
mysql_com.h	30.41 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
mysql_com_server.h	1.28 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
mysql_embed.h	1.10 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
mysql_time.h	2.36 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
mysql_version.h	1.26 KB	lrw-r--r--	2026-01-31 17:15:45	Edit Download recursive recursive
my_alloc.h	2.02 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_alloca.h	1.40 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_attribute.h	3.49 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_byteorder.h	2.00 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_cmp.h	914 B	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_compiler.h	5.14 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_config.h	14.20 KB	lrw-r--r--	2026-01-31 17:15:45	Edit Download recursive recursive
my_dbug.h	9.72 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
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my_dir.h	3.80 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_getopt.h	5.47 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_global.h	32.11 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_list.h	1.47 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_net.h	1.98 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_pthread.h	26.97 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_sys.h	47.94 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_valgrind.h	4.16 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
my_xml.h	2.77 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
m_ctype.h	68.45 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
m_string.h	10.01 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
pack.h	1.08 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
sql_common.h	5.14 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
sql_state.h	14.60 KB	lrw-r--r--	2026-01-31 17:29:11	Edit Download recursive recursive
sslopt-case.h	1.50 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
sslopt-longopts.h	2.53 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
sslopt-vars.h	1.37 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive
typelib.h	2.34 KB	lrw-r--r--	2026-01-31 10:47:54	Edit Download recursive recursive