fwalk.c revision 261363 
1/*
2 * Copyright (c) 2000-2001 Proofpoint, 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>
16SM_RCSID("@(#)$Id: fwalk.c,v 1.22 2013/11/22 20:51:43 ca Exp $")
17#include <errno.h>
18#include <sm/io.h>
19#include "local.h"
20#include "glue.h"
21
22/*
23**  SM_FWALK -- apply a function to all found-open file pointers
24**
25**	Parameters:
26**		function -- a function vector to be applied
27**		timeout -- time to complete actions (milliseconds)
28**
29**	Returns:
30**		The (binary) OR'd result of each function call
31*/
32
33int
34sm_fwalk(function, timeout)
35	int (*function) __P((SM_FILE_T *, int *));
36	int *timeout;
37{
38	register SM_FILE_T *fp;
39	register int n, ret;
40	register struct sm_glue *g;
41	int fptimeout;
42
43	ret = 0;
44	for (g = &smglue; g != NULL; g = g->gl_next)
45	{
46		for (fp = g->gl_iobs, n = g->gl_niobs; --n >= 0; fp++)
47		{
48			if (fp->f_flags != 0)
49			{
50				if (*timeout == SM_TIME_DEFAULT)
51					fptimeout = fp->f_timeout;
52				else
53					fptimeout = *timeout;
54				if (fptimeout == SM_TIME_IMMEDIATE)
55					continue; /* skip it */
56				ret |= (*function)(fp, &fptimeout);
57			}
58		}
59	}
60	return ret;
61}
62