Finding (Information About) Memory Allocations

Collaboration diagram for Finding (Information About) Memory Allocations:

Classes
class	libcwd::alloc_ct
	An object of type alloc_ct contains information about one allocated memory block. More...

Functions
alloc_ct const *	libcwd::find_alloc (void const *ptr)
	Find information about a memory allocation. More...

Detailed Description

Function Documentation

find_alloc()

alloc_ct const* libcwd::find_alloc

(

void const *

ptr

)

Find information about a memory allocation.

Given a pointer, which points to the start of or inside an allocated memory block, it is possible to find information about this memory block using the libcwd function find_alloc.

Returns

a const pointer to an object of class alloc_ct.

See also

test_delete()

Example:

char* buf = new char [40];
AllocTag(buf, "A buffer");
libcwd::alloc_ct const* alloc = libcwd::find_alloc(&buf[10]);
std::cout << '"' << alloc->description() << "\" is " << alloc->size() << " bytes.\n";

gives as output,

"A buffer" is 40 bytes.