diff options
Diffstat (limited to 'src/util/db2/include/db-int.h')
| -rw-r--r-- | src/util/db2/include/db-int.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/util/db2/include/db-int.h b/src/util/db2/include/db-int.h index 2c21fb2..f50f6d0 100644 --- a/src/util/db2/include/db-int.h +++ b/src/util/db2/include/db-int.h @@ -44,11 +44,79 @@ #define DB_LITTLE_ENDIAN 1234 #define DB_BIG_ENDIAN 4321 +#include <stdlib.h> +#ifdef HAVE_ENDIAN_H +# include <endian.h> +#endif +#ifdef HAVE_MACHINE_ENDIAN_H +# include <machine/endian.h> +#endif +/* Handle both BIG and LITTLE defined and BYTE_ORDER matches one, or + just one defined; both with and without leading underscores. + + Ignore "PDP endian" machines, this code doesn't support them + anyways. */ +#if !defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN) && !defined(BYTE_ORDER) +# ifdef __LITTLE_ENDIAN__ +# define LITTLE_ENDIAN __LITTLE_ENDIAN__ +# endif +# ifdef __BIG_ENDIAN__ +# define BIG_ENDIAN __BIG_ENDIAN__ +# endif +#endif +#if !defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN) && !defined(BYTE_ORDER) +# ifdef _LITTLE_ENDIAN +# define LITTLE_ENDIAN _LITTLE_ENDIAN +# endif +# ifdef _BIG_ENDIAN +# define BIG_ENDIAN _BIG_ENDIAN +# endif +# ifdef _BYTE_ORDER +# define BYTE_ORDER _BYTE_ORDER +# endif +#endif +#if !defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN) && !defined(BYTE_ORDER) +# ifdef __LITTLE_ENDIAN +# define LITTLE_ENDIAN __LITTLE_ENDIAN +# endif +# ifdef __BIG_ENDIAN +# define BIG_ENDIAN __BIG_ENDIAN +# endif +# ifdef __BYTE_ORDER +# define BYTE_ORDER __BYTE_ORDER +# endif +#endif + +#if defined(_MIPSEL) && !defined(LITTLE_ENDIAN) +# define LITTLE_ENDIAN +#endif +#if defined(_MIPSEB) && !defined(BIG_ENDIAN) +# define BIG_ENDIAN +#endif + +#if defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN) && defined(BYTE_ORDER) +# if LITTLE_ENDIAN == BYTE_ORDER +# define DB_BYTE_ORDER DB_LITTLE_ENDIAN +# elif BIG_ENDIAN == BYTE_ORDER +# define DB_BYTE_ORDER DB_BIG_ENDIAN +# else +# error "LITTLE_ENDIAN and BIG_ENDIAN defined, but can't determine byte order" +# endif +#elif defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN) +# define DB_BYTE_ORDER DB_LITTLE_ENDIAN +#elif defined(BIG_ENDIAN) && !defined(LITTLE_ENDIAN) +# define DB_BYTE_ORDER DB_BIG_ENDIAN +#else +# error "can't determine byte order from included system headers" +#endif + +#if 0 #ifdef WORDS_BIGENDIAN #define DB_BYTE_ORDER DB_BIG_ENDIAN #else #define DB_BYTE_ORDER DB_LITTLE_ENDIAN #endif +#endif /* end autoconf-based stuff */ |