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Code Issues Releases Activity

More asserts in AlignedBuilder

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This commit is contained in:
Mathias Stearn 2011-01-18 23:42:27 -05:00
parent 85f4700e91
commit 8631bb6aad
1 changed files with 4 additions and 1 deletions
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5
util/alignedbuilder.cpp
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@ -27,6 +27,8 @@ namespace mongo {
uassert(13584, "out of memory AlignedBuilder", _p._allocationAddress);
}
BOOST_STATIC_ASSERT(sizeof(void*) == sizeof(size_t));
void AlignedBuilder::mallocSelfAligned(unsigned sz) {
assert( sz == _p._size );
void *p = malloc(sz + Alignment - 1);
@ -35,7 +37,8 @@ namespace mongo {
size_t sold = s;
s += Alignment - 1;
s = (s/Alignment)*Alignment;
DEV assert( s >= sold );
assert( s >= sold ); // begining
assert( (s + sz) <= (sold + Alignment - 1) ); //end
_p._data = (char *) s;
}