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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-18 18:55:44 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-18 18:55:44 +0000 |
| commit | 3534b428629be185e096be99e3bd5fdfe32d5544 (patch) | |
| tree | 210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /src/libstddjb/uint64_unpack.c | |
| download | skalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz | |
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libstddjb/uint64_unpack.c')
| -rw-r--r-- | src/libstddjb/uint64_unpack.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/libstddjb/uint64_unpack.c b/src/libstddjb/uint64_unpack.c new file mode 100644 index 0000000..e0561d9 --- /dev/null +++ b/src/libstddjb/uint64_unpack.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <skalibs/uint64.h> +#include <skalibs/bytestr.h> + +void uint64_unpack (char const *s, uint64 *u) +{ + uint64 r = T8((unsigned char)s[7]) ; r <<= 8 ; + r += T8((unsigned char)s[6]) ; r <<= 8 ; + r += T8((unsigned char)s[5]) ; r <<= 8 ; + r += T8((unsigned char)s[4]) ; r <<= 8 ; + r += T8((unsigned char)s[3]) ; r <<= 8 ; + r += T8((unsigned char)s[2]) ; r <<= 8 ; + r += T8((unsigned char)s[1]) ; r <<= 8 ; + r += T8((unsigned char)s[0]) ; + *u = r ; +} |