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searching for Null pointer 47 found (116 total)

Srm (Unix) (737 words) [view diff] no match in snippet view article

null_pointer at SourceForge (9 June 2011). "srm main.c" (C Source). srm 1.2.11, main.c CVS 1.16. SourceForge.net. Retrieved 7 January 2014. doj, null_pointer

Infer Static Analyzer (780 words) [view diff] exact match in snippet view article find links to article

Spencer are among the reported users of Infer. Infer performs checks for null pointer exceptions, resource leaks, annotation reachability, missing lock guards

Memory corruption (478 words) [view diff] exact match in snippet view article find links to article

to use pointers to access and modify memory. If such a pointer is a null pointer, dangling pointer (pointing to memory that has already been freed), or

.bss (1,003 words) [view diff] exact match in snippet view article find links to article

arithmetic types) or a null pointer (for pointer types). Implementations of C typically represent zero values and null pointer values using a bit pattern

Yoda conditions (990 words) [view diff] exact match in snippet view article find links to article

of avoiding null behavior can also be considered a disadvantage, as null pointer errors can be hidden and only appear much later in the program. Another

Protel (1,108 words) [view diff] case mismatch in snippet view article find links to article

expression -> myvar; The pointer operator is @ and is placed after the ptr. A NULL pointer is a predefined value that is guaranteed not to point to a mapped address

Empty string (671 words) [view diff] exact match in snippet view article find links to article

programming languages, the empty string is distinct from a null reference (or null pointer) because a null reference points to no string at all, not even the empty

DJGPP (637 words) [view diff] case mismatch in snippet view article find links to article

C/C++ compiler, it is not a zero-based flat model due to preferring NULL pointer protection for better stability. It is currently based upon a variant

Coccinelle (software) (401 words) [view diff] case mismatch in snippet view article

pieces of code that are erroneous with high probability such as possible NULL pointer dereference) without transforming them. Therefore coccinelle's role is

Substitution failure is not an error (726 words) [view diff] exact match in snippet view article find links to article

type foobar defined, the instantiation of the first test works and the null pointer constant is successfully passed. (And the resulting type of the expression

Przemysław Frasunek (338 words) [view diff] exact match in snippet view article find links to article

race condition exploit affecting FreeBSD 7.0. CVE-2010-4210 Kernel mode null pointer dereference exploit affecting FreeBSD 7.0 to 7.2. WWW page on Frasunek's

PurifyPlus (639 words) [view diff] exact match in snippet view article find links to article

sources of fatal errors, such as a program crash due to dereferencing a null pointer, but do not help to detect the non-fatal memory errors. Debuggers are

AA tree (1,624 words) [view diff] exact match in snippet view article find links to article

Similarly, the successor can be found by going right once and left until a null pointer is found. Because of the AA property of all nodes of level greater than

Spawn (computing) (910 words) [view diff] case mismatch in snippet view article

as memory permits, on DJGPP. The last argument after argn has to be a NULL pointer. The argv argument is an array of character pointers. The last pointer

Zig (programming language) (3,076 words) [view diff] no match in snippet view article

and then attempting to use it is perfectly acceptable in C, leading to null-pointer errors. In contrast, a language using optional types can check that all

Stdarg.h (1,307 words) [view diff] exact match in snippet view article find links to article

types do not match. For example, if the expected type is int *, then a null pointer should be passed as (int *)NULL. Writing just NULL would result in an

Java Native Interface (1,594 words) [view diff] case mismatch in snippet view article find links to article

to capture machine (CPU/FPU) generated software interrupts (such as NULL pointer access violations and divide-by-zero operations), and to handle these

Primitive data type (1,861 words) [view diff] exact match in snippet view article find links to article

numbers, and Booleans, other built-in types include: The void type and null pointer type nullptr_t in C++ and C23 Characters and strings (see below) Tuple

HAT-trie (707 words) [view diff] case mismatch in snippet view article find links to article

byte cache line size of the modern CPU. A new HAT-trie starts out as a NULL pointer representing an empty node. The first added key allocates the smallest

Open Cascade Technology (1,438 words) [view diff] case mismatch in snippet view article find links to article

STL-compatible iterators to NCollection classes. "Handle" smart-pointer now uses NULL pointer instead of a special value 0xfefd0000. Added Bounding volume hierarchy

Termcap (1,121 words) [view diff] exact match in snippet view article find links to article

implementations of the termcap interface may relax this constraint by allowing a null pointer in place of the fixed buffer, or by hiding the data which would not fit

Debugging (3,500 words) [view diff] exact match in snippet view article find links to article

computation. Those techniques can be tailored for specific bugs, such as null pointer dereferences. Automatic bug-fixing is the automatic repair of software

Jazelle (1,693 words) [view diff] exact match in snippet view article find links to article

was a variant of the Thumb2 16/32-bit instruction set. It integrated null pointer checking; defined some new fault mechanisms; and repurposed the 16-bit

Church encoding (6,538 words) [view diff] exact match in snippet view article find links to article

because there is no "null" pointer. To represent null, the pair may be wrapped in another pair, giving three values: First - the null pointer (empty list). Second

List of tools for static code analysis (1,194 words) [view diff] exact match in snippet view article find links to article

2021-03-26 (1.1.0) Yes; MIT — C, C++, Objective-C Java — — — — Targets null pointer problems, leaks, concurrency issues and API usage for Facebook's mobile

Array (data type) (2,506 words) [view diff] exact match in snippet view article

or may be defined to have a specific "default" value such as 0 or a null pointer (as in Java). In C++ a std::vector object supports the store, select

M-ary tree (2,761 words) [view diff] exact match in snippet view article find links to article

n^{t}h} without creating an invalid structure (i.e. having an available null pointer to attached the last node to it). The table below shows the list of all

Code sanitizer (1,432 words) [view diff] exact match in snippet view article find links to article

return *ptr; // BOOM } null-dereference.c:4:10: runtime error: load of null pointer of type 'const char' Segmentation fault (core dumped) Intel MPX The Application

Windows Runtime (3,498 words) [view diff] exact match in snippet view article find links to article

Strings are immutable in .NET and JavaScript, but mutable in C++. A null pointer passed as a string to WinRT by C++ is converted to an empty string In

Jq (programming language) (1,252 words) [view diff] no match in snippet view article

a value, just like any other JSON scalar; it is not a pointer or a "null-pointer". nan (corresponding to NaN) and infinite (see IEEE 754) are the only

Short-circuit evaluation (1,476 words) [view diff] exact match in snippet view article find links to article

illustrated in the following C snippet where minimal evaluation prevents both null pointer dereference and excess memory fetches: bool is_first_char_valid_alpha_unsafe(const

Dart (programming language) (3,306 words) [view diff] no match in snippet view article

explicit permission. Null safety prevents the developer from introducing null-pointer exceptions, a common, but difficult to debug, error. With Dart 3, all

Kotlin (programming language) (4,771 words) [view diff] no match in snippet view article

both Kotlin and Java. Kotlin on Android is seen as beneficial for its null-pointer safety, as well as for its features that make for shorter, more readable

OpenSSL (4,338 words) [view diff] no match in snippet view article find links to article

server and renegotiates with an invalid signature algorithms extension, a null-pointer dereference occurs. This can cause a DoS attack against the server. A

Berkeley sockets (3,512 words) [view diff] case mismatch in snippet view article find links to article

family type (e.g., AF_INET) of the host address. The functions return a NULL pointer in case of error, in which case the external integer h_errno may be checked

S-algol (3,053 words) [view diff] exact match in snippet view article find links to article

rejected for S-algol because of the concerns of C.A.R. Hoare about the null pointer and the problems with dangling pointers.: 13 S-algol provides true constant

Fault tolerance (5,006 words) [view diff] exact match in snippet view article find links to article

enable software programs to recover from otherwise fatal errors such as null pointer dereference and divide by zero. Comparing to the failure oblivious computing

Forth (programming language) (5,451 words) [view diff] case mismatch in snippet view article

recently) defined word to the oldest, until a sentinel value, usually a NULL pointer, is found. A context switch causes a list search to start at a different

SQLSTATE (221 words) [view diff] exact match in snippet view article find links to article

number SQL/MED HV009 X HV FDW-specific condition 009 invalid use of null pointer SQL/MED HV00A X HV FDW-specific condition 00A invalid string format SQL/MED

Placement syntax (2,714 words) [view diff] case mismatch in snippet view article find links to article

standardized. The original behaviour of the functions, which was to return a NULL pointer when an error occurred, is accessible via placement syntax. Programmers

ARM architecture family (13,383 words) [view diff] exact match in snippet view article find links to article

[citation needed] New features provided by ThumbEE include automatic null pointer checks on every load and store instruction, an instruction to perform

Objective-C (10,427 words) [view diff] exact match in snippet view article find links to article

has the value nil; conditional statements like "if" treat nil like a null pointer, so the initialization code will not be executed if [super init] returned

COBOL (14,507 words) [view diff] no match in snippet view article find links to article

'V' locates the implicit decimal in a fixed point number. Object USAGE OBJECT REFERENCE May reference either an object or NULL. Pointer USAGE POINTER

Device driver synthesis and verification (3,035 words) [view diff] exact match in snippet view article find links to article

permissions before writing to kernel data structures", "don't reference null pointer without check", "prohibit overflowing buffer size" etc. Such checks can

Page replacement algorithm (6,235 words) [view diff] exact match in snippet view article find links to article

recently used page replacement algorithm when the page table contains null pointer values. The aging algorithm is a descendant of the NFU algorithm, with

ALGOL 68 (9,440 words) [view diff] exact match in snippet view article find links to article

numbers that are less than 100. NIL is the ALGOL 68 analogue of the null pointer in other languages. The notation x OF y accesses a member x of a STRUCT

Parallel breadth-first search (4,452 words) [view diff] exact match in snippet view article find links to article

of pennants with a backbone array S. Each entry S[i] in S is either a null pointer or a pointer to a pennant with size si. The insertion operation in a