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searching for Undefined behavior 31 found (107 total)

Verve (operating system) (489 words) [view diff] exact match in snippet view article

cannot violate type or memory safety, and thus cannot directly cause undefined behavior. If it attempts to make invalid requests to the Nucleus, formal verification

Run-time type information (1,449 words) [view diff] exact match in snippet view article find links to article

try { typeid(*p); // Not undefined behavior; throws std::bad_typeid. } catch (...) { } Person& p_ref = *p; // Undefined behavior: dereferencing null typeid(p_ref);

Bottom type (996 words) [view diff] exact match in snippet view article find links to article

inhabited, its term(s) typically correspond to error conditions such as undefined behavior, infinite recursion, or unrecoverable errors. In Bounded Quantification

Bionic (software) (1,836 words) [view diff] exact match in snippet view article

beyond glibc's to catch code that — while not necessarily causing undefined behavior — is obviously incorrect. Because this new implementation requires

Trust, but verify (1,327 words) [view diff] exact match in snippet view article find links to article

type, but this assumption is verified at runtime in order to avoid undefined behavior. The phrase has been used in relation to India–China border disputes

Strsafe.h (232 words) [view diff] exact match in snippet view article find links to article

index so that using it in other library functions will not result in undefined behavior. Independent security researchers have noted that security issues

Mp3HD (923 words) [view diff] exact match in snippet view article find links to article

the backwards compatibility does not fail catastrophically due to undefined behavior) or specialized software that knows exactly what mp3HD is. The mp3HD

Stack-based memory allocation (1,027 words) [view diff] exact match in snippet view article find links to article

there is no need to explicitly free the memory, there is a risk of undefined behavior due to stack overflow. The function was present on Unix systems as

Destructor (computer programming) (1,010 words) [view diff] exact match in snippet view article

type. int f() { int a = 123; using T = int; a.~T(); return a; // undefined behavior } In older versions of the standard, pseudo-destructors were specified

Shadow memory (376 words) [view diff] exact match in snippet view article find links to article

do not. Memcheck, part of the Valgrind suite, uses this to detect undefined behavior resulting from acting on or printing undefined memory values. Use

Shadow memory (376 words) [view diff] exact match in snippet view article find links to article

do not. Memcheck, part of the Valgrind suite, uses this to detect undefined behavior resulting from acting on or printing undefined memory values. Use

Downcasting (667 words) [view diff] exact match in snippet view article find links to article

performs no type check. If it is used improperly, it could produce undefined behavior. A popular example of a badly considered design is containers of top

2,147,483,647 (1,027 words) [view diff] exact match in snippet view article find links to article

exceeds the signed 32-bit limit—generally if the underlying engine has undefined behavior, instead of a wraparound behavior, for integer overflow. A well-known

Flip-flop (programming) (466 words) [view diff] exact match in snippet view article

concurrent accesses to the state of the flip-flop operator can lead to undefined behavior, or at least surprising results, depending on the programming language

Reference (C++) (1,843 words) [view diff] exact match in snippet view article

same object as that pointer, where this is possible without invoking undefined behavior. This equivalence is a reflection of the typical implementation, which

Null object pattern (2,801 words) [view diff] exact match in snippet view article find links to article

place-holder, but may not be used for direct dispatch: a->MakeSound() is undefined behavior if a is a null pointer. The null object pattern solves this problem

UMC Green CPU (843 words) [view diff] exact match in snippet view article find links to article

operating system and software running within it to crash or exhibit undefined behavior. UMC produced a small quantity of clock doubling processors labeled

Const (computer programming) (5,533 words) [view diff] exact match in snippet view article

that is itself declared const by means of a const cast results in undefined behavior according to the ISO C++ Standard. In the example above, if ptr references

C (programming language) (10,940 words) [view diff] exact match in snippet view article

been developed to help C programmers find and fix statements with undefined behavior or possibly erroneous expressions, with greater rigor than that provided

XOR swap algorithm (1,978 words) [view diff] exact match in snippet view article find links to article

signed int type (the default for int). Signed integer overflow is an undefined behavior in C and thus modular arithmetic is not guaranteed by the standard

File locking (3,162 words) [view diff] exact match in snippet view article find links to article

needing to terminate the application holding them. This can cause an undefined behavior, since the program will receive an unexpected error when using the

Lisp (programming language) (9,660 words) [view diff] no match in snippet view article

and is defined by ANSI Common Lisp as erroneous (resulting in "undefined" behavior in compiled files, because the file-compiler can coalesce similar

Closure (computer programming) (6,372 words) [view diff] exact match in snippet view article

the scope of a referenced object, invoking its operator() causes undefined behavior since C++ closures do not extend the lifetime of their context. void

Language-based security (2,108 words) [view diff] exact match in snippet view article find links to article

run-time checks is added to the low-level code to detect source-level undefined behavior. An example is the use of canaries, which can terminate a program

WDC 65C02 (4,245 words) [view diff] exact match in snippet view article find links to article

if indexing on hardware register addresses, this bug can result in undefined behavior. If an NMOS 6502 is fetching a BRK (software interrupt) opcode at

Autovivification (1,375 words) [view diff] exact match in snippet view article find links to article

__getitem__ is called. Dereferencing a null pointer in C results in undefined behavior; many C implementations choose to raise a segmentation fault. Schwartz

Rounding (8,286 words) [view diff] exact match in snippet view article find links to article

is increased by 2 each time the Table-maker's dilemma occurs (with undefined behavior in the very unlikely event that some limit of the machine is reached)

Iterator (5,904 words) [view diff] exact match in snippet view article find links to article

so); using an invalidated iterator is an error that will lead to undefined behavior, and such errors need not be signaled by the run time system. Implicit

OpenCL (10,680 words) [view diff] exact match in snippet view article find links to article

now use the C++ language to provide increased safety and reduced undefined behavior while accessing features such as atomics, iterators, images, samplers

X86 instruction listings (15,580 words) [view diff] exact match in snippet view article find links to article

zero – for which TZCNT returns input operand size, but BSF produces undefined behavior (leaves destination unmodified on most modern CPUs). For BEXTR, the

Music of Dance Dance Revolution (2013-present) (863 words) [view diff] exact match in snippet view article

Androids from REFLEC BEAT groovin'!! "DEADLOCK -Out Of Reach-" 🔒 U1 undefined behavior from REFLEC BEAT groovin'!! Upper "Evans" 🔒 DJ YOSHITAKA from jubeat