diff options
Diffstat (limited to 'src/util/endian.h')
| -rw-r--r-- | src/util/endian.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/util/endian.h b/src/util/endian.h new file mode 100644 index 0000000..e6805b1 --- /dev/null +++ b/src/util/endian.h @@ -0,0 +1,43 @@ +/* See LICENSE file for copyright and license details. */ +#include <stdint.h> + +#if defined(HAVE_ENDIAN_H) +# include <endian.h> +#elif defined(HAVE_SYS_ENDIAN_H) +# include <sys/endian.h> +#endif + +#if !defined(HAVE_ENDIAN_H) && !defined(HAVE_SYS_ENDIAN_H) + +# if !defined(htole16) +# define htole16 blind_htole16 +static inline uint16_t +blind_htole16(uint16_t h) +{ + union { + unsigned char bytes[2]; + uint16_t value; + } d; + d.bytes[0] = h; + d.bytes[1] = h >> 8; + return d.value; +} +# endif + +# if !defined(le16toh) +# if defined(letoh16) +# define le16toh letoh16 +# else +# define le16toh blind_le16toh +static inline uint16_t +blind_le16toh(uint16_t le) +{ + unsigned char *bytes = (unsigned char *)≤ + return ((uint16_t)(bytes[1]) << 8) | (uint16_t)(bytes[0]); +} +# endif +# endif + +#elif defined(HAVE_OPENBSD_ENDIAN) +# define le16toh letoh16 +#endif |