Dmalloc is a C

memory debugger Memory is the faculty of the mind by which data or information is encoded, stored, and retrieved when needed. It is the retention of information over time for the purpose of influencing future action. If past events could not be remembered, ...

library written by

Gray Watson Grey (more common in British English) or gray (more common in American English) is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is "without color", because it can be composed o ...

to assist programmers in finding a variety of

dynamic memory Memory management is a form of resource management applied to computer memory. The essential requirement of memory management is to provide ways to dynamically allocate portions of memory to programs at their request, and free it for reuse when ...

allocation Allocation may refer to: Computing * Block allocation map * C++ allocators * Delayed allocation * File allocation table * IP address allocation * Memory allocation * No-write allocation (cache) * Register allocation Economics * Asset alloca ...

mistakes. It replaces parts (such as

malloc C dynamic memory allocation refers to performing manual memory management for dynamic memory allocation in the C programming language via a group of functions in the C standard library, namely , , , and . The C++ programming language includes ...

) of the

C standard library The C standard library or libc is the standard library for the C programming language, as specified in the ISO C standard.ISO/IEC (2018). '' ISO/IEC 9899:2018(E): Programming Languages - C §7'' Starting from the original ANSI C standard, it wa ...

provided by the

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also in ...

compiler In computing, a compiler is a computer program that translates computer code written in one programming language (the ''source'' language) into another language (the ''target'' language). The name "compiler" is primarily used for programs that ...

with its own versions, which produce information intended to help the programmer detect problematic code. Dmalloc can find

memory leak In computer science, a memory leak is a type of resource leak that occurs when a computer program incorrectly manages memory allocations in a way that Computer memory, memory which is no longer needed is not released. A memory leak may also happe ...

off-by-one error An off-by-one error or off-by-one bug (known by acronyms OBOE, OBO, OB1 and OBOB) is a logic error involving the discrete equivalent of a boundary condition. It often occurs in computer programming when an iterative loop iterates one time too m ...

s, and usage of invalid addresses in some library functions calls.

External links

Dmalloc Official web site

Dmalloc Github web site

Memory Leak Detection in Embedded Systems

Memory management software Free memory debuggers {{unix-stub

See also

External links