diff options
author | Martin Mares <mj@ucw.cz> | 1998-05-03 16:43:39 +0000 |
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committer | Martin Mares <mj@ucw.cz> | 1998-05-03 16:43:39 +0000 |
commit | 18c8241a91bd9208879666f1a1a13f454e66d75b (patch) | |
tree | 8bdc5f3e384b6b9198d5ab834d869c8d1fb261a7 /lib/bitops.h | |
parent | a8b6038225d18155883e330c96b2bc2e44153e1e (diff) |
BIRD library: The story continues.
Complete resource manages and IP address handling.
Diffstat (limited to 'lib/bitops.h')
-rw-r--r-- | lib/bitops.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/bitops.h b/lib/bitops.h new file mode 100644 index 00000000..6bfc95ff --- /dev/null +++ b/lib/bitops.h @@ -0,0 +1,19 @@ +/* + * BIRD Library -- Generic Bit Operations + * + * (c) 1998 Martin Mares <mj@ucw.cz> + * + * Can be freely distributed and used under the terms of the GNU GPL. + */ + +/* + * Bit mask operations: + * + * u32_mkmask Make bit mask consisting of <n> consecutive ones + * from the left and the rest filled with zeroes. + * E.g., u32_mkmask(5) = 0xf8000000. + * u32_masklen Inverse operation to u32_mkmask, -1 if not a bitmask. + */ + +u32 u32_mkmask(unsigned); +int u32_masklen(u32); |