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bptr.h: size optimizations.

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This commit is contained in:
Markus F.X.J. Oberhumer
2016-09-20 10:30:09 +02:00
parent 9579a51a8b
commit dc56c4e530
1 changed files with 17 additions and 5 deletions
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src/bptr.h
+17 -5
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@@ -77,19 +77,31 @@ public:
private: private:
void checkNULL() const { void checkNULL() const {
if (!ptr_) if __acc_very_unlikely(!ptr_)
throwCantUnpack("unexpected NULL pointer; take care!"); throwCantUnpack("unexpected NULL pointer; take care!");
} }
void checkRange(size_t extra=0) const { void checkRange() const {
size_t off = (const char *) ptr_ - (const char *) base_; size_t off = (const char *) ptr_ - (const char *) base_;
if (off > size_ || off + extra > size_) if __acc_very_unlikely(off > size_)
throwCantUnpack("pointer out of range; take care!"); throwCantUnpack("pointer out of range; take care!");
} }
void checkStrict(size_t extra=0) const { void checkRange(size_t extra) const {
size_t off = (const char *) ptr_ - (const char *) base_;
if __acc_very_unlikely(off > size_ || off + extra > size_)
throwCantUnpack("pointer out of range; take care!");
}
void checkStrict() const {
checkNULL();
checkRange();
}
void checkStrict(size_t extra) const {
checkNULL(); checkNULL();
checkRange(extra); checkRange(extra);
} }
void check(size_t extra=0) const { void check() const {
if (ptr_) checkRange();
}
void check(size_t extra) const {
if (ptr_) checkRange(extra); if (ptr_) checkRange(extra);
} }