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util: New function bitwise_is_all_zeros().

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Signed-off-by: Ben Pfaff <blp@nicira.com>
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Ben Pfaff
2012-04-13 21:12:37 -07:00
parent c2dd49322f
commit 79a010aa80
3 changed files with 105 additions and 0 deletions
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lib/util.h
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@@ -230,6 +230,8 @@ void bitwise_zero(void *dst_, unsigned int dst_len, unsigned dst_ofs,
unsigned int n_bits);
void bitwise_one(void *dst_, unsigned int dst_len, unsigned dst_ofs,
unsigned int n_bits);
bool bitwise_is_all_zeros(const void *, unsigned int len, unsigned int ofs,
unsigned int n_bits);
void bitwise_put(uint64_t value,
void *dst, unsigned int dst_len, unsigned int dst_ofs,
unsigned int n_bits);