xref: /freebsd/contrib/sendmail/libsm/flags.c (revision e92d3f3ffe83a6ed7eaafac70da9cf4fafe13243)
1 /*
2  * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers.
3  *      All rights reserved.
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Chris Torek.
9  *
10  * By using this file, you agree to the terms and conditions set
11  * forth in the LICENSE file which can be found at the top level of
12  * the sendmail distribution.
13  */
14 
15 #include <sm/gen.h>
16 SM_RCSID("@(#)$Id: flags.c,v 1.22 2004/03/03 19:20:29 ca Exp $")
17 #include <sys/types.h>
18 #include <sys/file.h>
19 #include <errno.h>
20 #include <sm/io.h>
21 
22 /*
23 **  SM_FLAGS -- translate external (user) flags into internal flags
24 **
25 **	Paramters:
26 **		flags -- user select flags
27 **
28 **	Returns:
29 **		Internal flag value matching user selected flags
30 */
31 
32 int
33 sm_flags(flags)
34 	register int flags;
35 {
36 	register int ret;
37 
38 	switch(SM_IO_MODE(flags))
39 	{
40 	  case SM_IO_RDONLY:	/* open for reading */
41 		ret = SMRD;
42 		break;
43 
44 	  case SM_IO_WRONLY:	/* open for writing */
45 		ret = SMWR;
46 		break;
47 
48 	  case SM_IO_APPEND:	/* open for appending */
49 		ret = SMWR;
50 		break;
51 
52 	  case SM_IO_RDWR:	/* open for read and write */
53 		ret = SMRW;
54 		break;
55 
56 	  default:
57 		ret = 0;
58 		break;
59 	}
60 	if (SM_IS_BINARY(flags))
61 		ret |= SM_IO_BINARY;
62 	return ret;
63 }
64