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| author | Tim Burke <tim.burke@gmail.com> | 2018-09-11 19:36:10 +0000 |
|---|---|---|
| committer | Tim Burke <tim.burke@gmail.com> | 2018-09-11 21:58:34 -0600 |
| commit | 7b547e0e46fc0a4172b602ec2a362eb1fa3a6431 (patch) | |
| tree | 92499af9460e1ecb08a6234227d02f3a792c1fb0 /include | |
| parent | 72af842b2818f5b43e073cd9196afcc91f6af60a (diff) | |
| download | liberasurecode-7b547e0e46fc0a4172b602ec2a362eb1fa3a6431.tar.gz | |
Allow reading of little-endian frags on big-endian
... and vice-versa. We'll fix up frag header values for our output
parameter from liberasurecode_get_fragment_metadata but otherwise
avoid manipulating the in-memory fragment much.
Change-Id: Idd6833bdea60e27c9a0148ee28b4a2c1070be148
Diffstat (limited to 'include')
| -rw-r--r-- | include/erasurecode/erasurecode_helpers.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/erasurecode/erasurecode_helpers.h b/include/erasurecode/erasurecode_helpers.h index f0be41a..0168a55 100644 --- a/include/erasurecode/erasurecode_helpers.h +++ b/include/erasurecode/erasurecode_helpers.h @@ -93,5 +93,21 @@ void *get_aligned_buffer16(int size); /* ==~=*=~==~=*=~==~=*=~==~=*=~==~=*=~==~=*=~==~=*=~==~=*=~==~=*=~==~=*=~== */ +#ifndef bswap_32 +static __inline uint32_t __libec_bswap_32(uint32_t __x) +{ + return __x>>24 | (__x>>8&0xff00) | (__x<<8&0xff0000) | __x<<24; +} +#define bswap_32(x) __libec_bswap_32(x) +#endif + +#ifndef bswap_64 +static __inline uint64_t __libec_bswap_64(uint64_t __x) +{ + return (__libec_bswap_32(__x)+0ULL)<<32 | __libec_bswap_32(__x>>32); +} +#define bswap_64(x) __libec_bswap_64(x) +#endif + #endif // _ERASURECODE_HELPERS_H_ |