Mercurial > hg > cdb
diff uint32_unpack.c @ 0:2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
retrieved 2025-01-03,
contents appear to have been create on 2000-02-19
| author | Henry S. Thompson <ht@inf.ed.ac.uk> |
|---|---|
| date | Wed, 29 Jan 2025 10:50:34 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uint32_unpack.c Wed Jan 29 10:50:34 2025 +0000 @@ -0,0 +1,31 @@ +#include "uint32.h" + +void uint32_unpack(char s[4],uint32 *u) +{ + uint32 result; + + result = (unsigned char) s[3]; + result <<= 8; + result += (unsigned char) s[2]; + result <<= 8; + result += (unsigned char) s[1]; + result <<= 8; + result += (unsigned char) s[0]; + + *u = result; +} + +void uint32_unpack_big(char s[4],uint32 *u) +{ + uint32 result; + + result = (unsigned char) s[0]; + result <<= 8; + result += (unsigned char) s[1]; + result <<= 8; + result += (unsigned char) s[2]; + result <<= 8; + result += (unsigned char) s[3]; + + *u = result; +}