1 files changed, 61 insertions, 0 deletions
diff --git a/sendmail/libsm/fwalk.c b/sendmail/libsm/fwalk.c
new file mode 100644
index 000000000000..b878c1a933f3
--- /dev/null
+++ b/sendmail/libsm/fwalk.c
@@ -0,0 +1,61 @@
+/*
+ * 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;
+}