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hashindex: separate endian-dependent defs from endian detection

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also make macro style consistent with other macros in the codebase.
This commit is contained in:
Marian Beermann 2017-01-21 15:04:42 +01:00
parent 90ae9076a4
commit fafd5e0399
1 changed files with 14 additions and 8 deletions
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14
borg/_hashindex.c
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@ -15,17 +15,23 @@
#if (defined(BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)) || \ #if (defined(BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)) || \
(defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) || \ (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) || \
(defined(_BIG_ENDIAN) && defined(__SVR4)&&defined(__sun)) (defined(_BIG_ENDIAN) && defined(__SVR4)&&defined(__sun))
#define _le32toh(x) __builtin_bswap32(x) #define BORG_BIG_ENDIAN 1
#define _htole32(x) __builtin_bswap32(x)
#elif (defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)) || \ #elif (defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)) || \
(defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) || \ (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) || \
(defined(_LITTLE_ENDIAN) && defined(__SVR4)&&defined(__sun)) (defined(_LITTLE_ENDIAN) && defined(__SVR4)&&defined(__sun))
#define _le32toh(x) (x) #define BORG_BIG_ENDIAN 0
#define _htole32(x) (x)
#else #else
#error Unknown byte order #error Unknown byte order
#endif #endif
#if BORG_BIG_ENDIAN
#define _le32toh(x) __builtin_bswap32(x)
#define _htole32(x) __builtin_bswap32(x)
#else
#define _le32toh(x) (x)
#define _htole32(x) (x)
#endif
#define MAGIC "BORG_IDX" #define MAGIC "BORG_IDX"
#define MAGIC_LEN 8 #define MAGIC_LEN 8