libexplain/is_efault/pointer.c File Reference

#include <libexplain/ac/errno.h>
#include <libexplain/ac/stdlib.h>
#include <libexplain/ac/sys/mman.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/is_efault.h>

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Functions
int	explain_is_efault_pointer (const void *data, size_t data_size)

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Function Documentation

int explain_is_efault_pointer	(	const void *	data,
		size_t	data_size
	)

The explain_is_efault_pointer function may be used to determine whether or not a pointer is valid. Typically this is used when handling ambiguous EFAULT situations.

Parameters:

data	Pointer to the base address of the memory to be checked.
data_size	The size in bytes of the memory to be checked (i.e. you can use sizeof(*data) in most situations).

Returns:

int; 1 if the pointer is bad (points outside the process address space), or 0 if the pointer is OK.

Definition at line 29 of file pointer.c.