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byte_order_generic.h
1 /* Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
2 
3  This program is free software; you can redistribute it and/or modify
4  it under the terms of the GNU General Public License as published by
5  the Free Software Foundation; version 2 of the License.
6 
7  This program is distributed in the hope that it will be useful,
8  but WITHOUT ANY WARRANTY; without even the implied warranty of
9  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  GNU General Public License for more details.
11 
12  You should have received a copy of the GNU General Public License
13  along with this program; if not, write to the Free Software
14  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
15 
16 /*
17  Endianness-independent definitions for architectures other
18  than the x86 architecture.
19 */
20 #define sint2korr(A) (int16) (((int16) ((uchar) (A)[0])) +\
21  ((int16) ((int16) (A)[1]) << 8))
22 #define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \
23  (((uint32) 255L << 24) | \
24  (((uint32) (uchar) (A)[2]) << 16) |\
25  (((uint32) (uchar) (A)[1]) << 8) | \
26  ((uint32) (uchar) (A)[0])) : \
27  (((uint32) (uchar) (A)[2]) << 16) |\
28  (((uint32) (uchar) (A)[1]) << 8) | \
29  ((uint32) (uchar) (A)[0])))
30 #define sint4korr(A) (int32) (((int32) ((uchar) (A)[0])) +\
31  (((int32) ((uchar) (A)[1]) << 8)) +\
32  (((int32) ((uchar) (A)[2]) << 16)) +\
33  (((int32) ((int16) (A)[3]) << 24)))
34 #define sint8korr(A) (longlong) uint8korr(A)
35 #define uint2korr(A) (uint16) (((uint16) ((uchar) (A)[0])) +\
36  ((uint16) ((uchar) (A)[1]) << 8))
37 #define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\
38  (((uint32) ((uchar) (A)[1])) << 8) +\
39  (((uint32) ((uchar) (A)[2])) << 16))
40 #define uint4korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\
41  (((uint32) ((uchar) (A)[1])) << 8) +\
42  (((uint32) ((uchar) (A)[2])) << 16) +\
43  (((uint32) ((uchar) (A)[3])) << 24))
44 #define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
45  (((uint32) ((uchar) (A)[1])) << 8) +\
46  (((uint32) ((uchar) (A)[2])) << 16) +\
47  (((uint32) ((uchar) (A)[3])) << 24)) +\
48  (((ulonglong) ((uchar) (A)[4])) << 32))
49 #define uint6korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) + \
50  (((uint32) ((uchar) (A)[1])) << 8) + \
51  (((uint32) ((uchar) (A)[2])) << 16) + \
52  (((uint32) ((uchar) (A)[3])) << 24)) + \
53  (((ulonglong) ((uchar) (A)[4])) << 32) + \
54  (((ulonglong) ((uchar) (A)[5])) << 40))
55 #define uint8korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
56  (((uint32) ((uchar) (A)[1])) << 8) +\
57  (((uint32) ((uchar) (A)[2])) << 16) +\
58  (((uint32) ((uchar) (A)[3])) << 24)) +\
59  (((ulonglong) (((uint32) ((uchar) (A)[4])) +\
60  (((uint32) ((uchar) (A)[5])) << 8) +\
61  (((uint32) ((uchar) (A)[6])) << 16) +\
62  (((uint32) ((uchar) (A)[7])) << 24))) <<\
63  32))
64 #define int2store(T,A) do { uint def_temp= (uint) (A) ;\
65  *((uchar*) (T))= (uchar)(def_temp); \
66  *((uchar*) (T)+1)=(uchar)((def_temp >> 8)); \
67  } while(0)
68 #define int3store(T,A) do { /*lint -save -e734 */\
69  *((uchar*)(T))=(uchar) ((A));\
70  *((uchar*) (T)+1)=(uchar) (((A) >> 8));\
71  *((uchar*)(T)+2)=(uchar) (((A) >> 16)); \
72  /*lint -restore */} while(0)
73 #define int4store(T,A) do { *((char *)(T))=(char) ((A));\
74  *(((char *)(T))+1)=(char) (((A) >> 8));\
75  *(((char *)(T))+2)=(char) (((A) >> 16));\
76  *(((char *)(T))+3)=(char) (((A) >> 24));\
77  } while(0)
78 #define int5store(T,A) do { *((char *)(T))= (char)((A)); \
79  *(((char *)(T))+1)= (char)(((A) >> 8)); \
80  *(((char *)(T))+2)= (char)(((A) >> 16)); \
81  *(((char *)(T))+3)= (char)(((A) >> 24)); \
82  *(((char *)(T))+4)= (char)(((A) >> 32)); \
83  } while(0)
84 #define int6store(T,A) do { *((char *)(T))= (char)((A)); \
85  *(((char *)(T))+1)= (char)(((A) >> 8)); \
86  *(((char *)(T))+2)= (char)(((A) >> 16)); \
87  *(((char *)(T))+3)= (char)(((A) >> 24)); \
88  *(((char *)(T))+4)= (char)(((A) >> 32)); \
89  *(((char *)(T))+5)= (char)(((A) >> 40)); \
90  } while(0)
91 #define int8store(T,A) do { uint def_temp= (uint) (A), \
92  def_temp2= (uint) ((A) >> 32); \
93  int4store((T),def_temp); \
94  int4store((T+4),def_temp2);\
95  } while(0)