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Pointer Manipulation Functions
[STLSoft]

These functions assist in calculations with, and the manipulation of pointers. More...

Functions

template<typename T> void const * ptr_byte_offset (T const p, ss_ptrdiff_t n)
 Offsets a pointer by a number of bytes.

template<typename T> T const * ptr_offset (T const *p, ss_ptrdiff_t n)
 Offsets a pointer by a number of elements.

template<typename T1, typename T2> ss_ptrdiff_t ptr_byte_diff (T1 const *p1, T2 const *p2)
 Get the difference in bytes between two pointers.

template<typename T1, typename T2> ss_ptrdiff_t ptr_diff (T1 const *p1, T2 const *p2)
 Get the difference in elements between two pointers.

Detailed Description

These functions assist in calculations with, and the manipulation of pointers.

Function Documentation

ss_ptrdiff_t ptr_byte_diff (  T1 const *    p1,
T2 const *    p2
)  [inline]
 

Get the difference in bytes between two pointers.

void const* ptr_byte_offset (  T const    p,
ss_ptrdiff_t    n
)  [inline]
 

Offsets a pointer by a number of bytes.

Parameters:
p  The pointer to be offset
n  The number of bytes to offset
Returns:
p offset by bytes

ss_ptrdiff_t ptr_diff (  T1 const *    p1,
T2 const *    p2
)  [inline]
 

Get the difference in elements between two pointers.

T const* ptr_offset (  T const *    p,
ss_ptrdiff_t    n
)  [inline]
 

Offsets a pointer by a number of elements.

Parameters:
p  The pointer to be offset
n  The number of elements to offset
Returns:
p offset by elements
STLSoft Libraries documentation © Synesis Software Pty Ltd, 2001-2004