u_pointer.h File Reference

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Functions
static intptr_t	pointer_to_intptr (const void *p)
static void *	intptr_to_pointer (intptr_t i)
static uintptr_t	pointer_to_uintptr (const void *ptr)
static void *	uintptr_to_pointer (uintptr_t u)
static void *	align_pointer (const void *unaligned, uintptr_t alignment)
	Return a pointer aligned to next multiple of N bytes.
static void *	align16 (void *unaligned)
	Return a pointer aligned to next multiple of 16 bytes.

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Function Documentation

static void* align16

(

void *

unaligned

)

[static]

Return a pointer aligned to next multiple of 16 bytes.

Definition at line 96 of file u_pointer.h.

References align_pointer().

{
   return align_pointer( unaligned, 16 );
}

static void* align_pointer	(	const void *	unaligned,
		uintptr_t	alignment
	)			[static]

Return a pointer aligned to next multiple of N bytes.

Definition at line 85 of file u_pointer.h.

References pointer_to_uintptr(), and uintptr_to_pointer().

{
   uintptr_t aligned = (pointer_to_uintptr( unaligned ) + alignment - 1) & ~(alignment - 1);
   return uintptr_to_pointer( aligned );
}

static void* intptr_to_pointer

(

intptr_t

i

)

[static]

Definition at line 49 of file u_pointer.h.

{
   union {
      void *p;
      intptr_t i;
   } pi;
   pi.i = i;
   return pi.p;
}

static intptr_t pointer_to_intptr

(

const void *

p

)

[static]

Definition at line 38 of file u_pointer.h.

{
   union {
      const void *p;
      intptr_t i;
   } pi;
   pi.p = p;
   return pi.i;
}

static uintptr_t pointer_to_uintptr

(

const void *

ptr

)

[static]

Definition at line 60 of file u_pointer.h.

{
   union {
      const void *p;
      uintptr_t u;
   } pu;
   pu.p = ptr;
   return pu.u;
}

static void* uintptr_to_pointer

(

uintptr_t

u

)

[static]

Definition at line 71 of file u_pointer.h.

{
   union {
      void *p;
      uintptr_t u;
   } pu;
   pu.u = u;
   return pu.p;
}

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