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rearrange STL allocator code: remove pragma, ifdef for C++11

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daan 2020-01-16 15:57:11 -08:00
parent 2d54553b7a
commit 7a9502973d
4 changed files with 25 additions and 35 deletions
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5
include/mimalloc-internal.h
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@ -167,6 +167,11 @@ bool _mi_page_is_valid(mi_page_t* page);
// Overflow detecting multiply
static inline bool mi_mul_overflow(size_t count, size_t size, size_t* total) {
// quick check for the case where count is one (common for C++ allocators)
if (count==1) {
*total = size;
return false;
}
#if __has_builtin(__builtin_umul_overflow) || __GNUC__ >= 5
#include <limits.h> // UINT_MAX, ULONG_MAX
#if (SIZE_MAX == UINT_MAX)