diff options
Diffstat (limited to 'include/osmocom/core/endian.h')
| -rw-r--r-- | include/osmocom/core/endian.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/osmocom/core/endian.h b/include/osmocom/core/endian.h new file mode 100644 index 00000000..c890fd72 --- /dev/null +++ b/include/osmocom/core/endian.h @@ -0,0 +1,38 @@ +#pragma once + +/** + * GNU and FreeBSD have various ways to express the + * endianess but none of them is similiar enough. This + * will create two defines that allows to decide on the + * endian. The following will be defined to either 0 or + * 1 at the end of the file. + * + * OSMO_IS_LITTLE_ENDIAN + * OSMO_IS_BIG_ENDIAN + * + */ + +#if defined(__FreeBSD__) +#include <sys/endian.h> + #if BYTE_ORDER == LITTLE_ENDIAN + #define OSMO_IS_LITTLE_ENDIAN 1 + #define OSMO_IS_BIG_ENDIAN 0 + #elif BYTE_ORDER == BIG_ENDIAN + #define OSMO_IS_LITTLE_ENDIAN 0 + #define OSMO_IS_BIG_ENDIAN 1 + #else + #error "Unknown endian" + #endif +#else +#include <endian.h> + #if __BYTE_ORDER == __LITTLE_ENDIAN + #define OSMO_IS_LITTLE_ENDIAN 1 + #define OSMO_IS_BIG_ENDIAN 0 + #elif __BYTE_ORDER == __BIG_ENDIAN + #define OSMO_IS_LITTLE_ENDIAN 0 + #define OSMO_IS_BIG_ENDIAN 1 + #else + #error "Unknown endian" + #endif +#endif + |