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core, lib, modules: restructured source code tree

- new folder src/ to hold the source code for main project applications
- main.c is in src/
- all core files are subfolder are in src/core/
- modules are in src/modules/
- libs are in src/lib/
- application Makefiles are in src/
- application binary is built in src/ (src/kamailio)

Daniel-Constantin Mierla authored on 07/12/2016 11:03:51
Showing 1 changed files
endianness.h
History View file @ 273ab2955f
1 1 
deleted file mode 100644
... ... 
@@ -1,160 +0,0 @@
1 
-/*
2 
- * Copyright (C) 2008 iptelorg GmbH
3 
- *
4 
- * Permission to use, copy, modify, and distribute this software for any
5 
- * purpose with or without fee is hereby granted, provided that the above
6 
- * copyright notice and this permission notice appear in all copies.
7 
- *
8 
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 
- */
16 
-
17 
-/** @file
18 
- *  Kamailio core :: endianness compile and runtime  tests
19 
- *  @author andrei
20 
- *  @ingroup core
21 
- *
22 
- *
23 
- * Defines:
24 
- *  -  __IS_LITTLE_ENDIAN if the system is little endian and
25 
- *  -  __IS_BIG_ENDIAN    if it's big endian
26 
- * Function/macros:
27 
- *  -   is_big_endian()  - runtime test for big endian
28 
- *  -   is_little_endian() - runtime test for little endian
29 
- *  -   endianness_sanity_check() - returns 0 if the compile time
30 
- *                                  detected endianness corresponds to
31 
- *                                  the runtime detected one and -1 on
32 
- *                                  error (recommended action: bail out)
33 
- *  -   bswap16() - 16 bit byte swap
34 
- *  -   bswap32() - 32 bit byte swap
35 
- *
36 
- * Implementation notes:
37 
- * Endian macro names/tests for different OSes:
38 
- * linux:  __BYTE_ORDER == __LITTLE_ENDIAN | __BIG_ENDIAN
39 
- *           BYTE_ORDER == LITTLE_ENDIAN | BIG_ENDIAN
40 
- * bsd:     _BYTE_ORDER == _LITTLE_ENDIAN | _BIG_ENDIAN
41 
- *           BYTE_ORDER == LITTLE_ENDIAN | BIG_ENDIAN
42 
- * solaris: _LITTLE_ENDIAN | _BIG_ENDIAN
43 
- *
44 
- * Include file for the endian macros:
45 
- * linux: <endian.h> (glibc), <sys/param.h>
46 
- * bsd:   <sys/param.h>, <sys/endian.h>
47 
- * solaris: <sys/param.h>
48 
- *
49 
- * Note: BIG_ENDIAN, LITTLE_ENDIAN, _BIG_ENDIAN, _LITTLE_ENDIAN cannot be
50 
- *       used always,  some OSes define both of them for BYTE_ORDER use
51 
- *       (e.g. linux defines both BIG_ENDIAN & LITTLE_ENDIAN, bsds define
52 
- *          _BIG_ENDIAN, _LITTLE_ENDIAN, BIG_ENDIAN, LITTLE_ENDIAN)
53 
- *
54 
- */
55 
-
56 
-
57 
-#ifndef _endianness_h
58 
-#define _endianness_h
59 
-
60 
-/* use bsd includes: they work everywhere */
61 
-#include <sys/types.h>
62 
-#include <sys/param.h>
63 
-
64 
-
65 
-
66 
-extern int _endian_test_int;
67 
-
68 
-/* returns 1 for little endian, 0 for big endian */
69 
-#define endian_test()		(*(char*)&_endian_test_int==1)
70 
-#define is_big_endian()		(!endian_test())
71 
-#define is_little_endian()	endian_test()
72 
-
73 
-
74 
-extern int endianness_sanity_check(void);
75 
-
76 
-/* detect compile time endianess */
77 
-#if defined __BYTE_ORDER && defined __LITTLE_ENDIAN && defined __BIG_ENDIAN
78 
-/* linux */
79 
-#if __BYTE_ORDER == __LITTLE_ENDIAN && ! defined __IS_LITTLE_ENDIAN
80 
-	#define __IS_LITTLE_ENDIAN 0x01020304
81 
-#endif
82 
-#if __BYTE_ORDER == __BIG_ENDIAN && ! defined __IS_BIG_ENDIAN
83 
-	#define __IS_BIG_ENDIAN 0x01020304
84 
-#endif
85 
-#elif defined _BYTE_ORDER && defined _LITTLE_ENDIAN && defined _BIG_ENDIAN
86 
-/* bsd */
87 
-#if _BYTE_ORDER == _LITTLE_ENDIAN && ! defined __IS_LITTLE_ENDIAN
88 
-	#define __IS_LITTLE_ENDIAN 0x01020304
89 
-#endif
90 
-#if _BYTE_ORDER == _BIG_ENDIAN && ! defined __IS_BIG_ENDIAN
91 
-	#define __IS_BIG_ENDIAN 0x01020304
92 
-#endif
93 
-#elif defined BYTE_ORDER && defined LITTLE_ENDIAN && defined BIG_ENDIAN
94 
-/* bsd old/deprecated */
95 
-#if BYTE_ORDER == LITTLE_ENDIAN && ! defined __IS_LITTLE_ENDIAN
96 
-	#define __IS_LITTLE_ENDIAN 0x01020304
97 
-#endif
98 
-#if BYTE_ORDER == BIG_ENDIAN && ! defined __IS_BIG_ENDIAN
99 
-	#define __IS_BIG_ENDIAN 0x01020304
100 
-#endif
101 
-#elif !(defined _LITTLE_ENDIAN && defined _BIG_ENDIAN) && \
102 
-		(defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
103 
-/* OSes that don't define BYTE_ORDER (sanity check above makes sure
104 
- *   little & big endian are not defined in the same time )*/
105 
-/* solaris */
106 
-#if defined _LITTLE_ENDIAN && !defined __IS_LITTLE_ENDIAN
107 
-	#define __IS_LITTLE_ENDIAN 0x01020304
108 
-#endif
109 
-#if defined _BIG_ENDIAN && !defined __IS_BIG_ENDIAN
110 
-	#define __IS_BIG_ENDIAN 0x04030201
111 
-#endif
112 
-#elif !(defined LITTLE_ENDIAN && defined BIG_ENDIAN) && \
113 
-		(defined LITTLE_ENDIAN || defined BIG_ENDIAN)
114 
-/* OSes that don't define BYTE_ORDER (sanity check above makes sure
115 
- *   little & big endian are not defined in the same time )*/
116 
-#if defined LITTLE_ENDIAN && !defined __IS_LITTLE_ENDIAN
117 
-	#define __IS_LITTLE_ENDIAN 0x01020304
118 
-#endif
119 
-#if defined BIG_ENDIAN && !defined __IS_BIG_ENDIAN
120 
-	#define __IS_BIG_ENDIAN 0x04030201
121 
-#endif
122 
-
123 
-#else
124 
-#error could not detect endianess
125 
-#endif
126 
-
127 
-#if !defined __IS_LITTLE_ENDIAN && !defined __IS_BIG_ENDIAN
128 
-#error BUG: could not detect endianess
129 
-#endif
130 
-
131 
-#if defined __IS_LITTLE_ENDIAN && defined __IS_BIG_ENDIAN
132 
-#error BUG: both little & big endian detected in the same time
133 
-#endif
134 
-
135 
-#if defined __IS_LITTLE_ENDIAN
136 
-#include <arpa/inet.h>
137 
-#define bswap16(x) ntohs(x)
138 
-#define bswap32(x) ntohl(x)
139 
-#else /* !__IS_LITTLE_ENDIAN */
140 
-#include <stdint.h>
141 
-#if defined __GNUC__ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
142 
-/* need at least GCC 4.8 for __builtin_bswap16 on all archs */
143 
-#define bswap16(x)	((uint16_t)__builtin_bswap16(x))
144 
-#else
145 
-#define bswap16(x)	(((uint16_t)(x) >> 8) | \
146 
-			((uint16_t)(x) << 8))
147 
-#endif
148 
-#if defined __GNUC__ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
149 
-/* GCC >= 4.3 provides __builtin_bswap32 */
150 
-#define bswap32(x)	((uint32_t)__builtin_bswap32(x))
151 
-#else
152 
-#define bswap32(x)	(((uint32_t)(x) << 24) | \
153 
-			(((uint32_t)(x) << 8) & 0xff0000) | \
154 
-			(((uint32_t)(x) >> 8) & 0xff00) | \
155 
-			((uint32_t)(x)  >> 24))
156 
-#endif
157 
-#endif /* !__IS_LITTLE_ENDIAN */
158 
-
159 
-#endif /* _endianness_h */
160 
-
Browse code

core: add generic byte swap macros

- add bswap16() and bswap32() for 16 and 32 bit endianness swap

Spencer Thomason authored on 07/07/2016 08:13:17
Showing 1 changed files
endianness.h
History View file @ 8805959c99
... ... 
@@ -30,6 +30,8 @@
30 30 
  *                                  detected endianness corresponds to
31 31 
  *                                  the runtime detected one and -1 on
32 32 
  *                                  error (recommended action: bail out)
33 
+ *  -   bswap16() - 16 bit byte swap
34 
+ *  -   bswap32() - 32 bit byte swap
33 35 
  *
34 36 
  * Implementation notes:
35 37 
  * Endian macro names/tests for different OSes:
... ... 
@@ -130,6 +132,29 @@ extern int endianness_sanity_check(void);
130 132 
 #error BUG: both little & big endian detected in the same time
131 133 
 #endif
132 134
135 
+#if defined __IS_LITTLE_ENDIAN
136 
+#include <arpa/inet.h>
137 
+#define bswap16(x) ntohs(x)
138 
+#define bswap32(x) ntohl(x)
139 
+#else /* !__IS_LITTLE_ENDIAN */
140 
+#include <stdint.h>
141 
+#if defined __GNUC__ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
142 
+/* need at least GCC 4.8 for __builtin_bswap16 on all archs */
143 
+#define bswap16(x)	((uint16_t)__builtin_bswap16(x))
144 
+#else
145 
+#define bswap16(x)	(((uint16_t)(x) >> 8) | \
146 
+			((uint16_t)(x) << 8))
147 
+#endif
148 
+#if defined __GNUC__ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
149 
+/* GCC >= 4.3 provides __builtin_bswap32 */
150 
+#define bswap32(x)	((uint32_t)__builtin_bswap32(x))
151 
+#else
152 
+#define bswap32(x)	(((uint32_t)(x) << 24) | \
153 
+			(((uint32_t)(x) << 8) & 0xff0000) | \
154 
+			(((uint32_t)(x) >> 8) & 0xff00) | \
155 
+			((uint32_t)(x)  >> 24))
156 
+#endif
157 
+#endif /* !__IS_LITTLE_ENDIAN */
133 158
134 159 
 #endif /* _endianness_h */
135 160
Browse code

core : Update include files - delete IDs, update doxygen, delete history

Olle E. Johansson authored on 03/01/2015 10:55:48
Showing 1 changed files
endianness.h
History View file @ 02ca141bb8
... ... 
@@ -1,6 +1,4 @@
1 1 
 /*
2 
- * $Id$
3 
- *
4 2 
  * Copyright (C) 2008 iptelorg GmbH
5 3 
  *
6 4 
  * Permission to use, copy, modify, and distribute this software for any
... ... 
@@ -17,11 +15,10 @@
17 15 
  */
18 16
19 17 
 /** @file
20 
- *  endianness compile and runtime  tests
18 
+ *  Kamailio core :: endianness compile and runtime  tests
19 
+ *  @author andrei
20 
+ *  @ingroup core
21 21 
  *
22 
- * History:
23 
- * --------
24 
- *  2008-06-13  created by andrei
25 22 
  *
26 23 
  * Defines:
27 24 
  *  -  __IS_LITTLE_ENDIAN if the system is little endian and
Browse code

core: Added void to declarations of functions with empty argument list

In C language, a declaration in the form int f(); is equivalent to int f(...);, thus being able to accept an indefinit number of parameters. With the -Wstrict-prototypes GCC options, these declarations are reported as "function declaration isn’t a prototype".
On some cases, this may trick the compiler into generating unoptimized code (like preparing to handle variadic argument list).
In all cases having a declaration int f() and a definition inf f(int) is missleading, even if standard compliant.
This is still Work in Progress. (maybe adding the -Wstrict-prototypes option to default is desireable)

Marius Zbihlei authored on 02/04/2012 14:19:17
Showing 1 changed files
endianness.h
History View file @ abb01fb410
... ... 
@@ -72,7 +72,7 @@ extern int _endian_test_int;
72 72 
 #define is_little_endian()	endian_test()
73 73
74 74
75 
-extern int endianness_sanity_check();
75 
+extern int endianness_sanity_check(void);
76 76
77 77 
 /* detect compile time endianess */
78 78 
 #if defined __BYTE_ORDER && defined __LITTLE_ENDIAN && defined __BIG_ENDIAN
Browse code

Documentation and doxygen updates

oej authored on 25/10/2009 19:49:25
Showing 1 changed files
endianness.h
History View file @ 1ff47a5c6c
... ... 
@@ -15,27 +15,25 @@
15 15 
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 16 
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 17 
  */
18 
-/*
18 
+
19 
+/** @file
19 20 
  *  endianness compile and runtime  tests
20 21 
  *
21 22 
  * History:
22 23 
  * --------
23 24 
  *  2008-06-13  created by andrei
24 
- */
25 
-
26 
-/*
25 
+ *
27 26 
  * Defines:
28 
- *    __IS_LITTLE_ENDIAN if the system is little endian and
29 
- *    __IS_BIG_ENDIAN    if it's big endian
27 
+ *  -  __IS_LITTLE_ENDIAN if the system is little endian and
28 
+ *  -  __IS_BIG_ENDIAN    if it's big endian
30 29 
  * Function/macros:
31 
- *     is_big_endian()  - runtime test for big endian
32 
- *     is_little_endian() - runtime test for little endian
33 
- *     endianness_sanity_check() - returns 0 if the compile time
30 
+ *  -   is_big_endian()  - runtime test for big endian
31 
+ *  -   is_little_endian() - runtime test for little endian
32 
+ *  -   endianness_sanity_check() - returns 0 if the compile time
34 33 
  *                                  detected endianness corresponds to
35 34 
  *                                  the runtime detected one and -1 on
36 35 
  *                                  error (recommended action: bail out)
37 
- */
38 
-/*
36 
+ *
39 37 
  * Implementation notes:
40 38 
  * Endian macro names/tests for different OSes:
41 39 
  * linux:  __BYTE_ORDER == __LITTLE_ENDIAN | __BIG_ENDIAN
Browse code

- typo

Andrei Pelinescu-Onciul authored on 01/07/2008 21:56:06
Showing 1 changed files
endianness.h
History View file @ 0d4dc9a987
... ... 
@@ -106,7 +106,7 @@ extern int endianness_sanity_check();
106 106 
 /* OSes that don't define BYTE_ORDER (sanity check above makes sure
107 107 
  *   little & big endian are not defined in the same time )*/
108 108 
 /* solaris */
109 
-#if defined _LITTLE_ENDIAN && !defined __IS_LITLE_ENDIAN
109 
+#if defined _LITTLE_ENDIAN && !defined __IS_LITTLE_ENDIAN
110 110 
 	#define __IS_LITTLE_ENDIAN 0x01020304
111 111 
 #endif
112 112 
 #if defined _BIG_ENDIAN && !defined __IS_BIG_ENDIAN
... ... 
@@ -116,7 +116,7 @@ extern int endianness_sanity_check();
116 116 
 		(defined LITTLE_ENDIAN || defined BIG_ENDIAN)
117 117 
 /* OSes that don't define BYTE_ORDER (sanity check above makes sure
118 118 
  *   little & big endian are not defined in the same time )*/
119 
-#if defined LITTLE_ENDIAN && !defined __IS_LITLE_ENDIAN
119 
+#if defined LITTLE_ENDIAN && !defined __IS_LITTLE_ENDIAN
120 120 
 	#define __IS_LITTLE_ENDIAN 0x01020304
121 121 
 #endif
122 122 
 #if defined BIG_ENDIAN && !defined __IS_BIG_ENDIAN
Browse code

- an attempt at portable endianness macros: __IS_LITTLE_ENDIAN, __IS_BIG_ENDIAN and runtime check/sanity functions

Andrei Pelinescu-Onciul authored on 13/06/2008 20:09:54
Showing 1 changed files
endianness.h
History View file @ 9137544e15
1 1 
new file mode 100644
... ... 
@@ -0,0 +1,140 @@
1 
+/*
2 
+ * $Id$
3 
+ *
4 
+ * Copyright (C) 2008 iptelorg GmbH
5 
+ *
6 
+ * Permission to use, copy, modify, and distribute this software for any
7 
+ * purpose with or without fee is hereby granted, provided that the above
8 
+ * copyright notice and this permission notice appear in all copies.
9 
+ *
10 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 
+ */
18 
+/*
19 
+ *  endianness compile and runtime  tests
20 
+ *
21 
+ * History:
22 
+ * --------
23 
+ *  2008-06-13  created by andrei
24 
+ */
25 
+
26 
+/*
27 
+ * Defines:
28 
+ *    __IS_LITTLE_ENDIAN if the system is little endian and
29 
+ *    __IS_BIG_ENDIAN    if it's big endian
30 
+ * Function/macros:
31 
+ *     is_big_endian()  - runtime test for big endian
32 
+ *     is_little_endian() - runtime test for little endian
33 
+ *     endianness_sanity_check() - returns 0 if the compile time
34 
+ *                                  detected endianness corresponds to
35 
+ *                                  the runtime detected one and -1 on
36 
+ *                                  error (recommended action: bail out)
37 
+ */
38 
+/*
39 
+ * Implementation notes:
40 
+ * Endian macro names/tests for different OSes:
41 
+ * linux:  __BYTE_ORDER == __LITTLE_ENDIAN | __BIG_ENDIAN
42 
+ *           BYTE_ORDER == LITTLE_ENDIAN | BIG_ENDIAN
43 
+ * bsd:     _BYTE_ORDER == _LITTLE_ENDIAN | _BIG_ENDIAN
44 
+ *           BYTE_ORDER == LITTLE_ENDIAN | BIG_ENDIAN
45 
+ * solaris: _LITTLE_ENDIAN | _BIG_ENDIAN
46 
+ *
47 
+ * Include file for the endian macros:
48 
+ * linux: <endian.h> (glibc), <sys/param.h>
49 
+ * bsd:   <sys/param.h>, <sys/endian.h>
50 
+ * solaris: <sys/param.h>
51 
+ *
52 
+ * Note: BIG_ENDIAN, LITTLE_ENDIAN, _BIG_ENDIAN, _LITTLE_ENDIAN cannot be
53 
+ *       used always,  some OSes define both of them for BYTE_ORDER use
54 
+ *       (e.g. linux defines both BIG_ENDIAN & LITTLE_ENDIAN, bsds define
55 
+ *          _BIG_ENDIAN, _LITTLE_ENDIAN, BIG_ENDIAN, LITTLE_ENDIAN)
56 
+ *
57 
+ */
58 
+
59 
+
60 
+#ifndef _endianness_h
61 
+#define _endianness_h
62 
+
63 
+/* use bsd includes: they work everywhere */
64 
+#include <sys/types.h>
65 
+#include <sys/param.h>
66 
+
67 
+
68 
+
69 
+extern int _endian_test_int;
70 
+
71 
+/* returns 1 for little endian, 0 for big endian */
72 
+#define endian_test()		(*(char*)&_endian_test_int==1)
73 
+#define is_big_endian()		(!endian_test())
74 
+#define is_little_endian()	endian_test()
75 
+
76 
+
77 
+extern int endianness_sanity_check();
78 
+
79 
+/* detect compile time endianess */
80 
+#if defined __BYTE_ORDER && defined __LITTLE_ENDIAN && defined __BIG_ENDIAN
81 
+/* linux */
82 
+#if __BYTE_ORDER == __LITTLE_ENDIAN && ! defined __IS_LITTLE_ENDIAN
83 
+	#define __IS_LITTLE_ENDIAN 0x01020304
84 
+#endif
85 
+#if __BYTE_ORDER == __BIG_ENDIAN && ! defined __IS_BIG_ENDIAN
86 
+	#define __IS_BIG_ENDIAN 0x01020304
87 
+#endif
88 
+#elif defined _BYTE_ORDER && defined _LITTLE_ENDIAN && defined _BIG_ENDIAN
89 
+/* bsd */
90 
+#if _BYTE_ORDER == _LITTLE_ENDIAN && ! defined __IS_LITTLE_ENDIAN
91 
+	#define __IS_LITTLE_ENDIAN 0x01020304
92 
+#endif
93 
+#if _BYTE_ORDER == _BIG_ENDIAN && ! defined __IS_BIG_ENDIAN
94 
+	#define __IS_BIG_ENDIAN 0x01020304
95 
+#endif
96 
+#elif defined BYTE_ORDER && defined LITTLE_ENDIAN && defined BIG_ENDIAN
97 
+/* bsd old/deprecated */
98 
+#if BYTE_ORDER == LITTLE_ENDIAN && ! defined __IS_LITTLE_ENDIAN
99 
+	#define __IS_LITTLE_ENDIAN 0x01020304
100 
+#endif
101 
+#if BYTE_ORDER == BIG_ENDIAN && ! defined __IS_BIG_ENDIAN
102 
+	#define __IS_BIG_ENDIAN 0x01020304
103 
+#endif
104 
+#elif !(defined _LITTLE_ENDIAN && defined _BIG_ENDIAN) && \
105 
+		(defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
106 
+/* OSes that don't define BYTE_ORDER (sanity check above makes sure
107 
+ *   little & big endian are not defined in the same time )*/
108 
+/* solaris */
109 
+#if defined _LITTLE_ENDIAN && !defined __IS_LITLE_ENDIAN
110 
+	#define __IS_LITTLE_ENDIAN 0x01020304
111 
+#endif
112 
+#if defined _BIG_ENDIAN && !defined __IS_BIG_ENDIAN
113 
+	#define __IS_BIG_ENDIAN 0x04030201
114 
+#endif
115 
+#elif !(defined LITTLE_ENDIAN && defined BIG_ENDIAN) && \
116 
+		(defined LITTLE_ENDIAN || defined BIG_ENDIAN)
117 
+/* OSes that don't define BYTE_ORDER (sanity check above makes sure
118 
+ *   little & big endian are not defined in the same time )*/
119 
+#if defined LITTLE_ENDIAN && !defined __IS_LITLE_ENDIAN
120 
+	#define __IS_LITTLE_ENDIAN 0x01020304
121 
+#endif
122 
+#if defined BIG_ENDIAN && !defined __IS_BIG_ENDIAN
123 
+	#define __IS_BIG_ENDIAN 0x04030201
124 
+#endif
125 
+
126 
+#else
127 
+#error could not detect endianess
128 
+#endif
129 
+
130 
+#if !defined __IS_LITTLE_ENDIAN && !defined __IS_BIG_ENDIAN
131 
+#error BUG: could not detect endianess
132 
+#endif
133 
+
134 
+#if defined __IS_LITTLE_ENDIAN && defined __IS_BIG_ENDIAN
135 
+#error BUG: both little & big endian detected in the same time
136 
+#endif
137 
+
138 
+
139 
+#endif /* _endianness_h */
140 
+