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more fixes for endianness.

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git-svn-id: file:///svn/unbound/trunk@2877 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2013-03-26 08:14:06 +00:00
parent 8acb92091e
commit bd5395c74a
2 changed files with 15 additions and 8 deletions
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3
doc/Changelog
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@ -1,3 +1,6 @@
26 March 2013: Wouter
- more fixes to lookup3.c endianness detection.
25 March 2013: Wouter
- #492: Fix endianness detection, revert to older lookup3.c detection
and put new detect lines after previous tests, to avoid regressions

20
util/storage/lookup3.c
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@ -50,6 +50,9 @@ on 1 byte), but shoehorning those bytes into integers efficiently is messy.
#include <time.h> /* defines time_t for timings in the test */
/*#include <stdint.h> defines uint32_t etc (from config.h) */
#include <sys/param.h> /* attempt to define endianness */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h> /* attempt to define endianness (solaris) */
#endif
#ifdef linux
# include <endian.h> /* attempt to define endianness */
#endif
@ -84,15 +87,16 @@ hash_set_raninit(uint32_t v)
(defined(sparc) || defined(__sparc) || defined(__sparc__) || defined(POWERPC) || defined(mc68000) || defined(sel))
# define HASH_LITTLE_ENDIAN 0
# define HASH_BIG_ENDIAN 1
#elif defined(_MACHINE_ENDIAN_H_)
/* test for machine_endian_h protects failure if some are empty strings */
#elif (defined(_MACHINE_ENDIAN_H_) && defined(_BYTE_ORDER) && \
defined(_BIG_ENDIAN) && _BYTE_ORDER == _BIG_ENDIAN)
# define HASH_LITTLE_ENDIAN 0
# define HASH_BIG_ENDIAN 1
#elif (defined(_MACHINE_ENDIAN_H_) && defined(_BYTE_ORDER) && \
defined(_LITTLE_ENDIAN) && _BYTE_ORDER == _LITTLE_ENDIAN)
# define HASH_LITTLE_ENDIAN 1
# define HASH_BIG_ENDIAN 0
# if defined(_BYTE_ORDER) && defined(_BIG_ENDIAN) && _BYTE_ORDER == _BIG_ENDIAN
# define HASH_LITTLE_ENDIAN 0
# define HASH_BIG_ENDIAN 1
# endif
# if defined(_BYTE_ORDER) && defined(_LITTLE_ENDIAN) && _BYTE_ORDER == _LITTLE_ENDIAN
# define HASH_LITTLE_ENDIAN 1
# define HASH_BIG_ENDIAN 0
# endif /* _MACHINE_ENDIAN_H_ */
#else
# define HASH_LITTLE_ENDIAN 0
# define HASH_BIG_ENDIAN 0