Initial commit

2026-07-09 11:27:59 +08:00
commit 3f1edda843
126 changed files with 34446 additions and 0 deletions
@@ -0,0 +1,213 @@
+#ifndef MY_BYTEORDER_INCLUDED
+#define MY_BYTEORDER_INCLUDED
+
+/* Copyright (c) 2001, 2014, 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 02110-1301  USA */
+
+
+/*
+  Functions for reading and storing in machine independent
+  format (low byte first). There are 'korr' (assume 'corrector') variants
+  for integer types, but 'get' (assume 'getter') for floating point types.
+*/
+#if defined(__i386__) || defined(_WIN32) || defined(__x86_64__)
+#include "byte_order_generic_x86.h"
+#else
+#include "byte_order_generic.h"
+#endif
+
+static inline int32 sint3korr(const uchar *A)
+{
+  return
+    ((int32) (((A[2]) & 128) ?
+              (((uint32) 255L << 24) |
+               (((uint32) A[2]) << 16) |
+               (((uint32) A[1]) << 8) |
+               ((uint32) A[0])) :
+              (((uint32) A[2]) << 16) |
+              (((uint32) A[1]) << 8) |
+              ((uint32) A[0])))
+    ;
+}
+
+static inline uint32 uint3korr(const uchar *A)
+{
+  return
+    (uint32) (((uint32) (A[0])) +
+              (((uint32) (A[1])) << 8) +
+              (((uint32) (A[2])) << 16))
+    ;
+}
+
+static inline ulonglong uint5korr(const uchar *A)
+{
+  return
+    ((ulonglong)(((uint32) (A[0])) +
+                 (((uint32) (A[1])) << 8) +
+                 (((uint32) (A[2])) << 16) +
+                 (((uint32) (A[3])) << 24)) +
+     (((ulonglong) (A[4])) << 32))
+    ;
+}
+
+static inline ulonglong uint6korr(const uchar *A)
+{
+  return
+    ((ulonglong)(((uint32) (A[0]))          +
+                 (((uint32) (A[1])) << 8)   +
+                 (((uint32) (A[2])) << 16)  +
+                 (((uint32) (A[3])) << 24)) +
+     (((ulonglong) (A[4])) << 32) +
+     (((ulonglong) (A[5])) << 40))
+    ;
+}
+
+static inline void int3store(uchar *T, uint A)
+{
+  *(T)=   (uchar) (A);
+  *(T+1)= (uchar) (A >> 8);
+  *(T+2)= (uchar) (A >> 16);
+}
+
+static inline void int5store(uchar *T, ulonglong A)
+{
+  *(T)=   (uchar) (A);
+  *(T+1)= (uchar) (A >> 8);
+  *(T+2)= (uchar) (A >> 16);
+  *(T+3)= (uchar) (A >> 24);
+  *(T+4)= (uchar) (A >> 32);
+}
+
+static inline void int6store(uchar *T, ulonglong A)
+{
+  *(T)=   (uchar) (A);
+  *(T+1)= (uchar) (A >> 8);
+  *(T+2)= (uchar) (A >> 16);
+  *(T+3)= (uchar) (A >> 24);
+  *(T+4)= (uchar) (A >> 32);
+  *(T+5)= (uchar) (A >> 40);
+}
+
+#ifdef __cplusplus
+
+static inline int16 sint2korr(const char *pT)
+{
+  return sint2korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+static inline uint16    uint2korr(const char *pT)
+{
+  return uint2korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+static inline uint32    uint3korr(const char *pT)
+{
+  return uint3korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+static inline int32     sint3korr(const char *pT)
+{
+  return sint3korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+static inline uint32    uint4korr(const char *pT)
+{
+  return uint4korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+static inline int32     sint4korr(const char *pT)
+{
+  return sint4korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+static inline ulonglong uint6korr(const char *pT)
+{
+  return uint6korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+static inline ulonglong uint8korr(const char *pT)
+{
+  return uint8korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+static inline longlong  sint8korr(const char *pT)
+{
+  return sint8korr(static_cast<const uchar*>(static_cast<const void*>(pT)));
+}
+
+
+static inline void int2store(char *pT, uint16 A)
+{
+  int2store(static_cast<uchar*>(static_cast<void*>(pT)), A);
+}
+
+static inline void int3store(char *pT, uint A)
+{
+  int3store(static_cast<uchar*>(static_cast<void*>(pT)), A);
+}
+
+static inline void int4store(char *pT, uint32 A)
+{
+  int4store(static_cast<uchar*>(static_cast<void*>(pT)), A);
+}
+
+static inline void int5store(char *pT, ulonglong A)
+{
+  int5store(static_cast<uchar*>(static_cast<void*>(pT)), A);
+}
+
+static inline void int6store(char *pT, ulonglong A)
+{
+  int6store(static_cast<uchar*>(static_cast<void*>(pT)), A);
+}
+
+static inline void int8store(char *pT, ulonglong A)
+{
+  int8store(static_cast<uchar*>(static_cast<void*>(pT)), A);
+}
+
+#endif  /* __cplusplus */
+
+/*
+  Functions for reading and storing in machine format from/to
+  short/long to/from some place in memory V should be a variable
+  and M a pointer to byte.
+*/
+#ifdef WORDS_BIGENDIAN
+#include "big_endian.h"
+#else
+#include "little_endian.h"
+#endif
+
+#ifdef __cplusplus
+
+static inline void float4store(char *V, float M)
+{
+  float4store(static_cast<uchar*>(static_cast<void*>(V)), M);
+}
+
+static inline void float8get(double *V, const char *M)
+{
+  float8get(V, static_cast<const uchar*>(static_cast<const void*>(M)));
+}
+
+static inline void float8store(char *V, double M)
+{
+  float8store(static_cast<uchar*>(static_cast<void*>(V)), M);
+}
+
+#endif /* __cplusplus */
+
+#endif /* MY_BYTEORDER_INCLUDED */