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-rw-r--r--src/util/mac_expand.h55
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diff --git a/src/util/mac_expand.h b/src/util/mac_expand.h
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+#ifndef _MAC_EXPAND_H_INCLUDED_
+#define _MAC_EXPAND_H_INCLUDED_
+
+/*++
+/* NAME
+/* mac_expand 3h
+/* SUMMARY
+/* expand macro references in string
+/* SYNOPSIS
+/* #include <mac_expand.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+ * Utility library.
+ */
+#include <vstring.h>
+#include <mac_parse.h>
+
+ /*
+ * Features.
+ */
+#define MAC_EXP_FLAG_NONE (0)
+#define MAC_EXP_FLAG_RECURSE (1<<0)
+#define MAC_EXP_FLAG_APPEND (1<<1)
+#define MAC_EXP_FLAG_SCAN (1<<2)
+#define MAC_EXP_FLAG_PRINTABLE (1<<3)
+
+ /*
+ * Real lookup or just a test?
+ */
+#define MAC_EXP_MODE_TEST (0)
+#define MAC_EXP_MODE_USE (1)
+
+typedef const char *(*MAC_EXP_LOOKUP_FN) (const char *, int, void *);
+
+extern int mac_expand(VSTRING *, const char *, int, const char *, MAC_EXP_LOOKUP_FN, void *);
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*
+/* Wietse Venema
+/* Google, Inc.
+/* 111 8th Avenue
+/* New York, NY 10011, USA
+/*--*/
+
+#endif