Fixed style bugs in previous commit.

Added some comments on #endifs.
This commit is contained in:
Bruce Evans 1998-08-17 21:13:57 +00:00
parent 90152d9d21
commit cc18e4cccf
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=38411
2 changed files with 74 additions and 76 deletions

View File

@ -46,7 +46,7 @@ static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94";
/* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */
#endif
static const char rcsid[] =
"$Id: disklabel.c,v 1.17 1998/07/25 16:19:10 bde Exp $";
"$Id: disklabel.c,v 1.18 1998/08/17 07:43:54 dfr Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -89,7 +89,7 @@ static const char rcsid[] =
#ifdef tahoe
#define NUMBOOT 0
#else
#if defined(hp300) || defined(hp800) || defined(__alpha__)
#if defined(__alpha__) || defined(hp300) || defined(hp800)
#define NUMBOOT 1
#else
#define NUMBOOT 2
@ -393,18 +393,14 @@ writelabel(f, boot, lp)
char *boot;
register struct disklabel *lp;
{
#ifdef vax
register int i;
#endif
int flag;
#ifdef __alpha__
/*
* Generate the bootblock checksum for the SRM console.
*/
u_long *p, sum;
int i;
#endif
#ifdef vax
register int i;
#endif
setbootflag(lp);
lp->d_magic = DISKMAGIC;
@ -426,18 +422,21 @@ writelabel(f, boot, lp)
return (1);
}
(void)lseek(f, (off_t)0, SEEK_SET);
#ifdef __alpha__
/*
* Generate the bootblock checksum for the SRM console.
*/
for (p = (u_long *)boot, i = 0, sum = 0; i < 63; i++)
sum += p[i];
p[63] = sum;
#endif
/*
* write enable label sector before write (if necessary),
* disable after writing.
*/
flag = 1;
#ifdef __alpha__
for (p = (u_long *)boot, i = 0, sum = 0; i < 63; i++)
sum += p[i];
p[63] = sum;
#endif
if (ioctl(f, DIOCWLABEL, &flag) < 0)
warn("ioctl DIOCWLABEL");
if (write(f, boot, lp->d_bbsize) != lp->d_bbsize) {
@ -555,10 +554,14 @@ makebootarea(boot, dp, f)
#if NUMBOOT > 0
char *dkbasename;
struct stat sb;
#endif
#ifdef __alpha__
u_long *lp;
int n;
#endif
#ifdef __i386__
char *tmpbuf;
int i, found;
#endif /* i386 */
#endif
/* XXX */
@ -676,29 +679,25 @@ makebootarea(boot, dp, f)
if (read(b, &boot[dp->d_secsize],
(int)(dp->d_bbsize-dp->d_secsize)) < 0)
err(4, "%s", bootxx);
#else
#else /* !(NUMBOOT > 1) */
#ifdef __alpha__
{
/*
* On the alpha, the primary bootstrap starts at the
* second sector of the boot area. The first sector
* contains the label and must be edited to contain the
* size and location of the primary bootstrap.
*/
int n = read(b, boot + dp->d_secsize, (int)dp->d_bbsize);
u_long *lp;
if (n < 0)
/*
* On the alpha, the primary bootstrap starts at the
* second sector of the boot area. The first sector
* contains the label and must be edited to contain the
* size and location of the primary bootstrap.
*/
n = read(b, boot + dp->d_secsize, (int)dp->d_bbsize);
if (n < 0)
err(4, "%s", xxboot);
lp = (u_long *) (boot + 480);
lp[0] = (n + dp->d_secsize - 1) / dp->d_secsize;
lp[1] = 1; /* start at sector 1 */
lp[2] = 0; /* flags (must be zero) */
}
#else
lp = (u_long *) (boot + 480);
lp[0] = (n + dp->d_secsize - 1) / dp->d_secsize;
lp[1] = 1; /* start at sector 1 */
lp[2] = 0; /* flags (must be zero) */
#else /* !__alpha__ */
if (read(b, boot, (int)dp->d_bbsize) < 0)
err(4, "%s", xxboot);
#endif
#endif /* __alpha__ */
if (fstat(b, &sb) != 0)
err(4, "%s", xxboot);
bootsize = (int)sb.st_size - dp->d_bbsize;
@ -713,9 +712,9 @@ makebootarea(boot, dp, f)
err(4, "%s", xxboot);
}
}
#endif
#endif /* NUMBOOT > 1 */
(void)close(b);
#endif
#endif /* NUMBOOT > 0 */
/*
* Make sure no part of the bootstrap is written in the area
* reserved for the label.

View File

@ -46,7 +46,7 @@ static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94";
/* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */
#endif
static const char rcsid[] =
"$Id: disklabel.c,v 1.17 1998/07/25 16:19:10 bde Exp $";
"$Id: disklabel.c,v 1.18 1998/08/17 07:43:54 dfr Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -89,7 +89,7 @@ static const char rcsid[] =
#ifdef tahoe
#define NUMBOOT 0
#else
#if defined(hp300) || defined(hp800) || defined(__alpha__)
#if defined(__alpha__) || defined(hp300) || defined(hp800)
#define NUMBOOT 1
#else
#define NUMBOOT 2
@ -393,18 +393,14 @@ writelabel(f, boot, lp)
char *boot;
register struct disklabel *lp;
{
#ifdef vax
register int i;
#endif
int flag;
#ifdef __alpha__
/*
* Generate the bootblock checksum for the SRM console.
*/
u_long *p, sum;
int i;
#endif
#ifdef vax
register int i;
#endif
setbootflag(lp);
lp->d_magic = DISKMAGIC;
@ -426,18 +422,21 @@ writelabel(f, boot, lp)
return (1);
}
(void)lseek(f, (off_t)0, SEEK_SET);
#ifdef __alpha__
/*
* Generate the bootblock checksum for the SRM console.
*/
for (p = (u_long *)boot, i = 0, sum = 0; i < 63; i++)
sum += p[i];
p[63] = sum;
#endif
/*
* write enable label sector before write (if necessary),
* disable after writing.
*/
flag = 1;
#ifdef __alpha__
for (p = (u_long *)boot, i = 0, sum = 0; i < 63; i++)
sum += p[i];
p[63] = sum;
#endif
if (ioctl(f, DIOCWLABEL, &flag) < 0)
warn("ioctl DIOCWLABEL");
if (write(f, boot, lp->d_bbsize) != lp->d_bbsize) {
@ -555,10 +554,14 @@ makebootarea(boot, dp, f)
#if NUMBOOT > 0
char *dkbasename;
struct stat sb;
#endif
#ifdef __alpha__
u_long *lp;
int n;
#endif
#ifdef __i386__
char *tmpbuf;
int i, found;
#endif /* i386 */
#endif
/* XXX */
@ -676,29 +679,25 @@ makebootarea(boot, dp, f)
if (read(b, &boot[dp->d_secsize],
(int)(dp->d_bbsize-dp->d_secsize)) < 0)
err(4, "%s", bootxx);
#else
#else /* !(NUMBOOT > 1) */
#ifdef __alpha__
{
/*
* On the alpha, the primary bootstrap starts at the
* second sector of the boot area. The first sector
* contains the label and must be edited to contain the
* size and location of the primary bootstrap.
*/
int n = read(b, boot + dp->d_secsize, (int)dp->d_bbsize);
u_long *lp;
if (n < 0)
/*
* On the alpha, the primary bootstrap starts at the
* second sector of the boot area. The first sector
* contains the label and must be edited to contain the
* size and location of the primary bootstrap.
*/
n = read(b, boot + dp->d_secsize, (int)dp->d_bbsize);
if (n < 0)
err(4, "%s", xxboot);
lp = (u_long *) (boot + 480);
lp[0] = (n + dp->d_secsize - 1) / dp->d_secsize;
lp[1] = 1; /* start at sector 1 */
lp[2] = 0; /* flags (must be zero) */
}
#else
lp = (u_long *) (boot + 480);
lp[0] = (n + dp->d_secsize - 1) / dp->d_secsize;
lp[1] = 1; /* start at sector 1 */
lp[2] = 0; /* flags (must be zero) */
#else /* !__alpha__ */
if (read(b, boot, (int)dp->d_bbsize) < 0)
err(4, "%s", xxboot);
#endif
#endif /* __alpha__ */
if (fstat(b, &sb) != 0)
err(4, "%s", xxboot);
bootsize = (int)sb.st_size - dp->d_bbsize;
@ -713,9 +712,9 @@ makebootarea(boot, dp, f)
err(4, "%s", xxboot);
}
}
#endif
#endif /* NUMBOOT > 1 */
(void)close(b);
#endif
#endif /* NUMBOOT > 0 */
/*
* Make sure no part of the bootstrap is written in the area
* reserved for the label.