diff options
Diffstat (limited to 'include/big_endian.h')
| -rw-r--r-- | include/big_endian.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/include/big_endian.h b/include/big_endian.h new file mode 100644 index 00000000..6487f829 --- /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 02110-1335 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)) |