If you pass NULL , a default function prints an error to stderr and aborts the program when corruption is found.
: mcheck.h is not natively available for Windows compilers like MSVC because it relies on specific hooks within the GNU malloc implementation. To use it on Windows, you must use a GNU-based environment like Cygwin or MinGW, which port glibc-like features. mcheck.h download
: This is the primary function. It must be called before the first call to malloc() to be effective. If you pass NULL , a default function
: Allows you to check the consistency of a specific pointer at any time during execution. : This is the primary function
Understanding and Using mcheck.h for Memory Debugging The header file mcheck.h is a GNU C Library (glibc) extension used for . It provides developers with a suite of functions to detect common memory management errors, such as writing past the end of a block or freeing the same memory twice . Where to Download mcheck.h
: A "heavy-duty" version that checks the entire heap every time any memory function (like malloc or free ) is called. This is useful for finding elusive bugs but will significantly slow down your application. Alternative: The -lmcheck Linker Flag