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authorMichael Widenius <monty@askmonty.org>2013-03-26 00:03:13 +0200
committerMichael Widenius <monty@askmonty.org>2013-03-26 00:03:13 +0200
commit068c61978e3a81836d52b8caf11e044290159ad1 (patch)
tree2cbca861ab2cebe3bd99379ca9668bb483ca0d2a /include/big_endian.h
parent35bc8f9f4353b64da215e52ff6f1612a8ce66f43 (diff)
downloadmariadb-git-068c61978e3a81836d52b8caf11e044290159ad1.tar.gz
Temporary commit of 10.0-merge
Diffstat (limited to 'include/big_endian.h')
-rw-r--r--include/big_endian.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/include/big_endian.h b/include/big_endian.h
new file mode 100644
index 00000000000..021b6abc383
--- /dev/null
+++ b/include/big_endian.h
@@ -0,0 +1,82 @@
+/* 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 02111-1307 USA */
+
+/*
+ Data in big-endian format.
+*/
+#define float4store(T,A) do { *(T)= ((uchar *) &A)[3];\
+ *((T)+1)=(char) ((uchar *) &A)[2];\
+ *((T)+2)=(char) ((uchar *) &A)[1];\
+ *((T)+3)=(char) ((uchar *) &A)[0]; } while(0)
+
+#define float4get(V,M) do { float def_temp;\
+ ((uchar*) &def_temp)[0]=(M)[3];\
+ ((uchar*) &def_temp)[1]=(M)[2];\
+ ((uchar*) &def_temp)[2]=(M)[1];\
+ ((uchar*) &def_temp)[3]=(M)[0];\
+ (V)=def_temp; } while(0)
+
+#define float8store(T,V) do { *(T)= ((uchar *) &V)[7];\
+ *((T)+1)=(char) ((uchar *) &V)[6];\
+ *((T)+2)=(char) ((uchar *) &V)[5];\
+ *((T)+3)=(char) ((uchar *) &V)[4];\
+ *((T)+4)=(char) ((uchar *) &V)[3];\
+ *((T)+5)=(char) ((uchar *) &V)[2];\
+ *((T)+6)=(char) ((uchar *) &V)[1];\
+ *((T)+7)=(char) ((uchar *) &V)[0]; } while(0)
+
+#define float8get(V,M) do { double def_temp;\
+ ((uchar*) &def_temp)[0]=(M)[7];\
+ ((uchar*) &def_temp)[1]=(M)[6];\
+ ((uchar*) &def_temp)[2]=(M)[5];\
+ ((uchar*) &def_temp)[3]=(M)[4];\
+ ((uchar*) &def_temp)[4]=(M)[3];\
+ ((uchar*) &def_temp)[5]=(M)[2];\
+ ((uchar*) &def_temp)[6]=(M)[1];\
+ ((uchar*) &def_temp)[7]=(M)[0];\
+ (V) = def_temp; } while(0)
+
+#define ushortget(V,M) do { V = (uint16) (((uint16) ((uchar) (M)[1]))+\
+ ((uint16) ((uint16) (M)[0]) << 8)); } while(0)
+#define shortget(V,M) do { V = (short) (((short) ((uchar) (M)[1]))+\
+ ((short) ((short) (M)[0]) << 8)); } while(0)
+#define longget(V,M) do { int32 def_temp;\
+ ((uchar*) &def_temp)[0]=(M)[0];\
+ ((uchar*) &def_temp)[1]=(M)[1];\
+ ((uchar*) &def_temp)[2]=(M)[2];\
+ ((uchar*) &def_temp)[3]=(M)[3];\
+ (V)=def_temp; } while(0)
+#define ulongget(V,M) do { uint32 def_temp;\
+ ((uchar*) &def_temp)[0]=(M)[0];\
+ ((uchar*) &def_temp)[1]=(M)[1];\
+ ((uchar*) &def_temp)[2]=(M)[2];\
+ ((uchar*) &def_temp)[3]=(M)[3];\
+ (V)=def_temp; } while(0)
+#define shortstore(T,A) do { uint def_temp=(uint) (A) ;\
+ *(((char*)T)+1)=(char)(def_temp); \
+ *(((char*)T)+0)=(char)(def_temp >> 8); } while(0)
+#define longstore(T,A) do { *(((char*)T)+3)=((A));\
+ *(((char*)T)+2)=(((A) >> 8));\
+ *(((char*)T)+1)=(((A) >> 16));\
+ *(((char*)T)+0)=(((A) >> 24)); } while(0)
+
+#define floatget(V,M) memcpy(&V, (M), sizeof(float))
+/* Cast away type qualifiers (necessary as macro takes argument by value). */
+#define floatstore(T,V) memcpy((T), (void*) (&V), sizeof(float))
+#define doubleget(V,M) memcpy(&V, (M), sizeof(double))
+/* Cast away type qualifiers (necessary as macro takes argument by value). */
+#define doublestore(T,V) memcpy((T), (void*) &V, sizeof(double))
+#define longlongget(V,M) memcpy(&V, (M), sizeof(ulonglong))
+#define longlongstore(T,V) memcpy((T), &V, sizeof(ulonglong))