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Open devices read-only to test whether they are available. This

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allows to use write-protected tapes...
This commit is contained in:
Joerg Wunsch 1996-11-27 01:01:52 +00:00
parent c1565990a1
commit 4b8d17f492
3 changed files with 9 additions and 9 deletions
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6
release/sysinstall/devices.c
View File

@ -4,7 +4,7 @@
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: devices.c,v 1.49 1996/10/05 11:56:47 jkh Exp $
* $Id: devices.c,v 1.50 1996/11/15 19:53:08 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
@ -139,13 +139,13 @@ deviceTry(char *name, char *try)
int fd;
snprintf(try, FILENAME_MAX, "/dev/%s", name);
fd = open(try, O_RDWR);
fd = open(try, O_RDONLY);
if (fd > 0)
return fd;
if (errno == EBUSY)
return -1;
snprintf(try, FILENAME_MAX, "/mnt/dev/%s", name);
fd = open(try, O_RDWR);
fd = open(try, O_RDONLY);
return fd;
}

6
usr.sbin/sade/devices.c
View File

@ -4,7 +4,7 @@
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: devices.c,v 1.49 1996/10/05 11:56:47 jkh Exp $
* $Id: devices.c,v 1.50 1996/11/15 19:53:08 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
@ -139,13 +139,13 @@ deviceTry(char *name, char *try)
int fd;
snprintf(try, FILENAME_MAX, "/dev/%s", name);
fd = open(try, O_RDWR);
fd = open(try, O_RDONLY);
if (fd > 0)
return fd;
if (errno == EBUSY)
return -1;
snprintf(try, FILENAME_MAX, "/mnt/dev/%s", name);
fd = open(try, O_RDWR);
fd = open(try, O_RDONLY);
return fd;
}

6
usr.sbin/sysinstall/devices.c
View File

@ -4,7 +4,7 @@
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: devices.c,v 1.49 1996/10/05 11:56:47 jkh Exp $
* $Id: devices.c,v 1.50 1996/11/15 19:53:08 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
@ -139,13 +139,13 @@ deviceTry(char *name, char *try)
int fd;
snprintf(try, FILENAME_MAX, "/dev/%s", name);
fd = open(try, O_RDWR);
fd = open(try, O_RDONLY);
if (fd > 0)
return fd;
if (errno == EBUSY)
return -1;
snprintf(try, FILENAME_MAX, "/mnt/dev/%s", name);
fd = open(try, O_RDWR);
fd = open(try, O_RDONLY);
return fd;
}