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fwalk.c

/*
 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
 *      All rights reserved.
 * Copyright (c) 1990, 1993
 *    The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Chris Torek.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 */

#include <sm/gen.h>
SM_RCSID("@(#)$Id: fwalk.c,v 1.21 2001/09/11 04:04:48 gshapiro Exp $")
#include <errno.h>
#include <sm/io.h>
#include "local.h"
#include "glue.h"

/*
**  SM_FWALK -- apply a function to all found-open file pointers
**
**    Parameters:
**          function -- a function vector to be applied
**          timeout -- time to complete actions (milliseconds)
**
**    Returns:
**          The (binary) OR'd result of each function call
*/

int
sm_fwalk(function, timeout)
      int (*function) __P((SM_FILE_T *, int *));
      int *timeout;
{
      register SM_FILE_T *fp;
      register int n, ret;
      register struct sm_glue *g;
      int fptimeout;

      ret = 0;
      for (g = &smglue; g != NULL; g = g->gl_next)
      {
            for (fp = g->gl_iobs, n = g->gl_niobs; --n >= 0; fp++)
            {
                  if (fp->f_flags != 0)
                  {
                        if (*timeout == SM_TIME_DEFAULT)
                              fptimeout = fp->f_timeout;
                        else
                              fptimeout = *timeout;
                        if (fptimeout == SM_TIME_IMMEDIATE)
                              continue; /* skip it */
                        ret |= (*function)(fp, &fptimeout);
                  }
            }
      }
      return ret;
}

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