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Locks-and-Keys: Dangling Pointer, Programming Language, Tombstone (programming) -

English
2026-03-26
€179.62 €224.53

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Locks-and-keys is a solution to dangling pointers in computer programming languages. The locks-and-keys approach represents pointers as ordered pairs (key, address) where the key is an integer value. Heap-dynamic variables are represented as the storage for the variable plus a cell ... Full description

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Locks-and-keys is a solution to dangling pointers in computer programming languages. The locks-and-keys approach represents pointers as ordered pairs (key, address) where the key is an integer value. Heap-dynamic variables are represented as the storage for the variable plus a cell for an integer. When a variable is allocated, a lock value is created and placed both into the variable's cell and into the variable's ordered pair. Every access to the pointer compares these two values, and access is allowed only if the values match. When a variable is deallocated, the key of its ordered pair is modified to hold a value different from the variable's cell. From then on, any attempt to dereference the pointer can be flagged as an error. Since copying a pointer also copies its cell value, changing the key of the ordered pair safely disables all copies of the pointer.

More Information

Publisher OmniScriptum
Release year 2026
Cover type Softcover
EAN 9786133175013
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€179.62 €224.53