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byte-precise heap block overflow checking with encoded padding

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daan 2020-01-31 23:39:51 -08:00
parent 68112a2751
commit 40f1e1e07b
7 changed files with 138 additions and 50 deletions
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3
include/mimalloc-internal.h
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@ -377,7 +377,8 @@ static inline size_t mi_page_block_size(const mi_page_t* page) {
}
}
// Get the client usable block size of a page (without padding etc)
// Get the usable block size of a page without fixed padding.
// This may still include internal padding due to alignment and rounding up size classes.
static inline size_t mi_page_usable_block_size(const mi_page_t* page) {
return mi_page_block_size(page) - MI_PADDING_SIZE;
}