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| author | Helge Deller <deller@gmx.de> | 2014-04-04 12:34:06 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2014-04-04 12:34:06 +0200 |
| commit | e8b4221ea02ac427fd454b85c77bafc9a980bc32 (patch) | |
| tree | 7d1125f22f9e62f4d6d520006d0b62b9af1b0fe5 | |
| parent | 9bdbb1aa998a0259be270ec4abaa2ebec87c37fe (diff) | |
| download | palo-e8b4221ea02ac427fd454b85c77bafc9a980bc32.tar.gz | |
Provide endianess byteswapping functions for HP-UX.
| -rw-r--r-- | lib/common.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/lib/common.h b/lib/common.h index 1ac0130..159eea2 100644 --- a/lib/common.h +++ b/lib/common.h @@ -10,17 +10,33 @@ #define __KERNEL_STRICT_NAMES /* fixes build on SUSE 10 (kernel 2.6.1[2|3]) */ -#include <sys/cdefs.h> /* useful macros */ +#if !(defined(__hpux__) || defined(__hpux)) +# include <sys/cdefs.h> /* useful macros */ +# include <byteswap.h> +#endif + #include <stdarg.h> -#include <byteswap.h> + +/* Swap bytes in 32 bit value. */ +#define __palo_bswap_constant_32(x) \ + ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \ + (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) + #if defined(__linux__) # include <asm/byteorder.h> -#else +#elif defined(__hpux__) || defined(__hpux) +/* HP-UX is always big endian */ +# define __be64_to_cpu(x) (x) +# define __be32_to_cpu(x) (x) +# define __be16_to_cpu(x) (x) +# define __le32_to_cpu(x) __palo_bswap_constant_32(x) +# define __le16_to_cpu(x) le16toh(x) +# define __cpu_to_be32(x) (x) +#else /* BSD and similiar */ # include <endian.h> # define __be64_to_cpu(x) be64toh(x) # define __be32_to_cpu(x) be32toh(x) # define __be16_to_cpu(x) be16toh(x) -# define __le64_to_cpu(x) le64toh(x) # define __le32_to_cpu(x) le32toh(x) # define __le16_to_cpu(x) le16toh(x) # define __cpu_to_be32(x) htobe32(x) |