Correct conditional to correctly treat segments which end on a boundary.
[dragonfly.git] / contrib / sendmail-8.13.8 / libsm / fwalk.c
1 /*
2  * Copyright (c) 2000-2001 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: fwalk.c,v 1.21 2001/09/11 04:04:48 gshapiro 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
33 int
34 sm_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 }