bcopy.c (8fb3f3f68288ae2b1b53dd65e3dd673d83c80f4c) bcopy.c (bc0ad8e7a1c5acaebd9516356b2c00619f77a053)
1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 26 unchanged lines hidden (view full) ---

35 */
36
37#if defined(LIBC_SCCS) && !defined(lint)
38static char sccsid[] = "@(#)bcopy.c 8.1 (Berkeley) 6/4/93";
39#endif /* LIBC_SCCS and not lint */
40#include <sys/cdefs.h>
41__FBSDID("$FreeBSD$");
42
1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 26 unchanged lines hidden (view full) ---

35 */
36
37#if defined(LIBC_SCCS) && !defined(lint)
38static char sccsid[] = "@(#)bcopy.c 8.1 (Berkeley) 6/4/93";
39#endif /* LIBC_SCCS and not lint */
40#include <sys/cdefs.h>
41__FBSDID("$FreeBSD$");
42
43#include <string.h>
44
45/*
46 * sizeof(word) MUST BE A POWER OF TWO
47 * SO THAT wmask BELOW IS ALL ONES
48 */
49typedef int word; /* "word" used for optimal copy speed */
50
51#define wsize sizeof(word)
52#define wmask (wsize - 1)
53
54/*
55 * Copy a block of memory, handling overlap.
56 * This is the routine that actually implements
57 * (the portable versions of) bcopy, memcpy, and memmove.
58 */
43/*
44 * sizeof(word) MUST BE A POWER OF TWO
45 * SO THAT wmask BELOW IS ALL ONES
46 */
47typedef int word; /* "word" used for optimal copy speed */
48
49#define wsize sizeof(word)
50#define wmask (wsize - 1)
51
52/*
53 * Copy a block of memory, handling overlap.
54 * This is the routine that actually implements
55 * (the portable versions of) bcopy, memcpy, and memmove.
56 */
59#ifdef MEMCOPY
57#if defined(MEMCOPY) || defined(MEMMOVE)
58#include <string.h>
59
60void *
60void *
61memcpy(dst0, src0, length)
61#ifdef MEMCOPY
62memcpy
62#else
63#else
63#ifdef MEMMOVE
64void *
65memmove(dst0, src0, length)
64memmove
65#endif
66(void *dst0, const void *src0, size_t length)
66#else
67#else
68#include <strings.h>
69
67void
70void
68bcopy(src0, dst0, length)
71bcopy(const void *src0, void *dst0, size_t length)
69#endif
72#endif
70#endif
71 void *dst0;
72 const void *src0;
73 size_t length;
74{
75 char *dst = dst0;
76 const char *src = src0;
77 size_t t;
78
79 if (length == 0 || dst == src) /* nothing to do */
80 goto done;
81

--- 59 unchanged lines hidden --- 		73{
74 char *dst = dst0;
75 const char *src = src0;
76 size_t t;
77
78 if (length == 0 || dst == src) /* nothing to do */
79 goto done;
80

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