memcpy.c File Reference

#include <linux/types.h>

Go to the source code of this file.

Macros
#define	ALIGN_DEST_TO8_UP(d, s, n)
#define	ALIGN_DEST_TO8_DN(d, s, n)
#define	DO_REST_UP(d, s, n)
#define	DO_REST_DN(d, s, n)
#define	DO_REST_ALIGNED_UP(d, s, n)   DO_REST_UP(d,s,n)
#define	DO_REST_ALIGNED_DN(d, s, n)   DO_REST_DN(d,s,n)

Functions
void *	memcpy (void *dest, const void *src, size_t n)
	asm ("__memcpy = memcpy; .globl __memcpy")

Macro Definition Documentation

#define ALIGN_DEST_TO8_DN	(		d,
			s,
			n
	)

Value:

while (d & 7) { \
        if (n <= 0) return; \
        n--; \
        d--; s--; \
        *(char *) d = *(char *) s; \
    }

Definition at line 31 of file memcpy.c.

#define ALIGN_DEST_TO8_UP	(		d,
			s,
			n
	)

Value:

while (d & 7) { \
        if (n <= 0) return; \
        n--; \
        *(char *) d = *(char *) s; \
        d++; s++; \
    }

Definition at line 24 of file memcpy.c.

#define DO_REST_ALIGNED_DN	(		d,
			s,
			n
	)		DO_REST_DN(d,s,n)

Definition at line 61 of file memcpy.c.

#define DO_REST_ALIGNED_UP	(		d,
			s,
			n
	)		DO_REST_UP(d,s,n)

Definition at line 60 of file memcpy.c.

#define DO_REST_DN	(		d,
			s,
			n
	)

Value:

while (n > 0) { \
        n--; \
        d--; s--; \
        *(char *) d = *(char *) s; \
    }

Definition at line 49 of file memcpy.c.

#define DO_REST_UP	(		d,
			s,
			n
	)

Value:

while (n > 0) { \
        n--; \
        *(char *) d = *(char *) s; \
        d++; s++; \
    }

Definition at line 43 of file memcpy.c.

Function Documentation

asm

(

)

void * memcpy	(	void *	dest,
		const void *	src,
		size_t	n
	)

Definition at line 151 of file memcpy.c.