add scsi_pt_open_flags() and related sg_cmd_open_flags() [for sgdd]

git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@201 6180dd3e-e324-4e3e-922d-17de1ae2f315

1 files changed, 12 insertions, 1 deletions

diff --git a/lib/sg_pt_osf1.c b/lib/sg_pt_osf1.c
index 7814a6a0..4718da06 100644
--- a/lib/sg_pt_osf1.c
+++ b/lib/sg_pt_osf1.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005-2007 Douglas Gilbert.
+ * Copyright (c) 2005-2008 Douglas Gilbert.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -91,6 +91,17 @@ int scsi_pt_open_device(const char * device_name,
                         int read_only,
                         int verbose)
 {
+    int oflags = 0 /* O_NONBLOCK*/ ;
+
+    oflags |= (read_only ? O_RDONLY : O_RDWR);
+    return scsi_pt_open_flags(device_name, oflags, verbose);
+}
+
+/* Similar to scsi_pt_open_device() but takes Unix style open flags OR-ed */
+/* together. The 'flags' argument is ignored in OSF-1. */
+/* Returns >= 0 if successful, otherwise returns negated errno. */
+int scsi_pt_open_flags(const char * device_name, int flags, int verbose)
+{
     struct osf1_dev_channel *fdchan;
     int fd, k;