Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 77 insertions, 0 deletions

diff --git a/epan/dissectors/packet-ppi-geolocation-common.h b/epan/dissectors/packet-ppi-geolocation-common.h
new file mode 100644
index 00000000..3184bc83
--- /dev/null
+++ b/epan/dissectors/packet-ppi-geolocation-common.h
@@ -0,0 +1,77 @@
+/* packet-ppi-geolocation-common.h
+ * Routines for PPI-GEOLOCATION  dissection
+ * Copyright 2010, Harris Corp, jellch@harris.com
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __PPI_GEOLOCATION_COMMON_H
+#define __PPI_GEOLOCATION_COMMON_H
+
+/*
+ * Declarations from shared PPI-GEOLOCATION functions.
+ *
+ */
+
+/*
+ * these constants are offsets into base_geotag header, which is bitwise-compatible
+ * with a radiotap header
+ */
+#define PPI_GEOBASE_MIN_HEADER_LEN  8   /* minimum header length */
+#define PPI_GEOBASE_VERSION_OFFSET  0   /* offset of version field */
+#define PPI_GEOBASE_LENGTH_OFFSET   2   /* offset of length field */
+#define PPI_GEOBASE_PRESENT_OFFSET  4   /* offset of "present" field */
+/*
+ * These BITNO macros were accquired from the radiotap parser. maybe we can share them
+ * eventually
+ */
+#define BITNO_32(x) (((x) >> 16) ? 16 + BITNO_16((x) >> 16) : BITNO_16((x)))
+#define BITNO_16(x) (((x) >> 8) ? 8 + BITNO_8((x) >> 8) : BITNO_8((x)))
+#define BITNO_8(x) (((x) >> 4) ? 4 + BITNO_4((x) >> 4) : BITNO_4((x)))
+#define BITNO_4(x) (((x) >> 2) ? 2 + BITNO_2((x) >> 2) : BITNO_2((x)))
+#define BITNO_2(x) (((x) & 2) ? 1 : 0)
+#define BIT(n)  (1 << n)
+
+
+
+/*
+ * Floating point numbers are stored on disk in a handful of fixed-point formats (fixedX_Y)
+ * designed to preserve the appropriate amount of precision vs range. These functions convert
+ * the fixedX_Y fixed point values into 'native' gdoubles for displaying.
+ * Documentation on these formats can be found in the PPI-GEOLOCATION specification
+ */
+gdouble ppi_fixed3_7_to_gdouble(guint32 in);
+gdouble ppi_fixed3_6_to_gdouble(guint32 in);
+gdouble ppi_fixed6_4_to_gdouble(guint32 in);
+/*
+ * Some values are encoded as 32-bit unsigned nano-second counters.
+ * Usually we want to display these values as doubles.
+ */
+gdouble ppi_ns_counter_to_gdouble(guint32 in);
+
+
+typedef enum {
+    PPI_GEOLOCATION_HARRIS   =  0x00485253 /* 00SRH */
+} ppi_geolocation_appstr_num;
+
+
+#endif
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
+
+