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Configurable clearing of array in Bit_array_base

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Fixes #1177.
This commit is contained in:
Christian Helmuth
2014-06-11 16:30:30 +02:00
committed by Norman Feske
parent 24941ffaeb
commit f7a7421091
2 changed files with 5 additions and 4 deletions
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6
repos/base/include/util/bit_array.h
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@ -92,14 +92,14 @@ namespace Genode {
public:
Bit_array_base(unsigned bits, addr_t *addr)
Bit_array_base(unsigned bits, addr_t *addr, bool clear)
: _bit_cnt(bits),
_word_cnt(_bit_cnt / _BITS_PER_WORD),
_words(addr)
{
if (!bits || bits % _BITS_PER_WORD) throw Invalid_bit_count();
memset(_words, 0, sizeof(addr_t)*_word_cnt);
if (clear) memset(_words, 0, sizeof(addr_t)*_word_cnt);
}
/**
@ -144,7 +144,7 @@ namespace Genode {
public:
Bit_array() : Bit_array_base(BITS, _array) { }
Bit_array() : Bit_array_base(BITS, _array, true) { }
};
}