d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

memcpy, memset -> bcopy, bzero.

Browse Source
This commit is contained in:
Jake Burkholder 2002-04-24 02:24:32 +00:00
parent 4b487ad2ec
commit 8c2f8986a6
1 changed files with 28 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
sys/boot/sparc64/boot1/boot1.c
View File

@ -60,8 +60,8 @@ static int dskread(void *, u_int64_t, int);
static int printf(const char *, ...);
static int putchar(int);
static void *memcpy(void *, const void *, size_t);
static void *memset(void *, int, size_t);
static void bcopy(const void *src, void *dst, size_t len);
static void bzero(void *b, size_t len);
/*
* Open Firmware interface functions
@ -244,6 +244,25 @@ ofw_seek(ofwh_t devh, u_int64_t off)
return (0);
}
static void
bcopy(const void *dst, void *src, size_t len)
{
const char *d = dst;
char *s = src;
while (len-- != 0)
*s++ = *d++;
}
static void
bzero(void *b, size_t len)
{
char *p = b;
while (len-- != 0)
*p++ = 0;
}
static int
strcmp(const char *s1, const char *s2)
{
@ -252,19 +271,6 @@ strcmp(const char *s1, const char *s2)
return ((u_char)*s1 - (u_char)*s2);
}
static void *
memset(void *dst, int val, size_t len)
{
void *ret;
ret = dst;
while (len) {
*((char *)dst)++ = val;
len--;
}
return (ret);
}
static int
fsfind(const char *name, ino_t * ino)
{
@ -300,7 +306,7 @@ int
main(void)
{
if (bname[0] == '\0')
memcpy(bname, _PATH_LOADER, sizeof(_PATH_LOADER));
bcopy(_PATH_LOADER, bname, sizeof(_PATH_LOADER));
printf(" \n>> FreeBSD/sparc64 boot block\n"
" Boot path: %s\n"
@ -345,7 +351,7 @@ load(const char *fname)
return;
}
if (ph.p_filesz != ph.p_memsz)
memset(p + ph.p_filesz, 0, ph.p_memsz - ph.p_filesz);
bzero(p + ph.p_filesz, ph.p_memsz - ph.p_filesz);
}
ofw_close(bootdevh);
(*(void (*)(int, int, int, int, ofwfp_t))eh.e_entry)(0, 0, 0, 0, ofw);
@ -373,7 +379,7 @@ lookup(const char *path)
;
if ((n = s - path) > MAXNAMLEN)
return (0);
memcpy(name, path, n);
bcopy(path, name, n);
name[n] = 0;
if (dt != DT_DIR) {
printf("%s: not a directory.\n", name);
@ -404,7 +410,7 @@ fsread(ino_t inode, void *buf, size_t nbyte)
inomap = 0;
if (dskread(blkbuf, SBOFF / DEV_BSIZE, SBSIZE / DEV_BSIZE))
return (-1);
memcpy(&fs, blkbuf, sizeof(fs));
bcopy(blkbuf, &fs, sizeof(fs));
if (fs.fs_magic != FS_MAGIC) {
printf("Not ufs\n");
return (-1);
@ -418,7 +424,8 @@ fsread(ino_t inode, void *buf, size_t nbyte)
if (dskread(blkbuf, fsbtodb(&fs, ino_to_fsba(&fs, inode)),
fsblks))
return (-1);
din = ((struct dinode *)blkbuf)[inode % INOPB(&fs)];
bcopy(blkbuf + ((inode % INOPB(&fs)) * sizeof(din)), &din,
sizeof(din));
inomap = inode;
fs_off = 0;
blkmap = indmap = 0;
@ -452,7 +459,7 @@ fsread(ino_t inode, void *buf, size_t nbyte)
n -= off;
if (n > nb)
n = nb;
memcpy(s, blkbuf + off, n);
bcopy(blkbuf + off, s, n);
s += n;
fs_off += n;
nb -= n;
@ -544,14 +551,3 @@ putchar(int c)
putc(c);
return (c);
}
static void *
memcpy(void *dst, const void *src, size_t size)
{
const char *s;
char *d;
for (d = dst, s = src; size; size--)
*d++ = *s++;
return (dst);
}