From 5e141e336c3a2cb8921edcd7af6f14a29ff63942 Mon Sep 17 00:00:00 2001 From: bigfoot547 Date: Wed, 27 Dec 2023 06:51:29 -0600 Subject: add cheap SHA1 implementation --- src/endian.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/endian.h (limited to 'src/endian.h') diff --git a/src/endian.h b/src/endian.h new file mode 100644 index 0000000..a486223 --- /dev/null +++ b/src/endian.h @@ -0,0 +1,43 @@ +#ifndef L2SU_ENDIAN_H_INCLUDED +#define L2SU_ENDIAN_H_INCLUDED + +#include +#include "config.h" + +uint64_t l2__bswap_64_int(uint64_t in); +uint32_t l2__bswap_32_int(uint32_t in); +uint16_t l2__bswap_16_int(uint16_t in); + +#ifdef __GNUC__ +#define l2__bswap_64 __builtin_bswap64 +#define l2__bswap_32 __builtin_bswap32 +#define l2__bswap_16 __builtin_bswap16 +#else +#define l2__bswap_64 l2__bswap_64_int +#define l2__bswap_32 l2__bswap_32_int +#define l2__bswap_16 l2__bswap_16_int +#endif + +#if defined(L2SU_ENDIAN_LITTLE) + +#define l2_htobe64 l2__bswap_64 +#define l2_betoh64 l2__bswap_64 +#define l2_htobe32 l2__bswap_32 +#define l2_betoh32 l2__bswap_32 +#define l2_htobe16 l2__bswap_16 +#define l2_betoh16 l2__bswap_16 + +#elif defined(L2SU_ENDIAN_BIG) + +#define l2_htobe64 +#define l2_betoh64 +#define l2_htobe32 +#define l2_betoh32 +#define l2_htobe16 +#define l2_betoh16 + +#else +#error "middle endian unsupported" +#endif + +#endif /* include guard */ -- cgit v1.2.3-70-g09d2