From e17eed023902bb9821321d1c606a42c2cde86200 Mon Sep 17 00:00:00 2001
From: guy <guy@f5534014-38df-0310-8fa8-9805f1628bb7>
Date: Thu, 23 Sep 2004 17:54:49 +0000
Subject: [PATCH] From Gisle Vanem: add support for pcap_datalink_val_to_name()
 for Win32.

Also add support for pcap_datalink_name_to_val(), and arrange that we
properly define HAVE_PCAP_DATALINK_NAME_TO_VAL and
HAVE_PCAP_DATALINK_VAL_TO_NAME for MSVC++ builds.


git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@12073 f5534014-38df-0310-8fa8-9805f1628bb7
---
 Makefile.nmake  |  2 ++
 capture-wpcap.c | 30 ++++++++++++++++++++++++++++++
 config.h.win32  |  2 ++
 config.nmake    |  5 +++++
 4 files changed, 39 insertions(+)

diff --git a/Makefile.nmake b/Makefile.nmake
index ea0564b2fe..997175967f 100644
--- a/Makefile.nmake
+++ b/Makefile.nmake
@@ -209,6 +209,8 @@ config.h	: config.h.win32 config.nmake
 	    -e "s/@HAVE_LIBZ@/$(ZLIB_CONFIG)/" \
 	    -e "s/@HAVE_LIBPCAP@/$(WINPCAP_CONFIG)/" \
 	    -e "s/@HAVE_PCAP_FINDALLDEVS@/$(PCAP_FINDALLDEVS_CONFIG)/" \
+	    -e "s/@HAVE_PCAP_DATALINK_NAME_TO_VAL@/$(PCAP_DATALINK_NAME_TO_VAL_CONFIG)/" \
+	    -e "s/@HAVE_PCAP_DATALINK_VAL_TO_NAME@/$(PCAP_DATALINK_VAL_TO_NAME_CONFIG)/" \
 	    -e "s/@HAVE_LIBETHEREALDLL@/$(LIBETHEREAL_CONFIG)/" \
 	    -e "s/@WPCAP_CONSTIFIED@/$(WPCAP_CONSTIFIED_CONFIG)/" \
 	    -e "s/@HAVE_LIBETHEREALDLL@/$(LIBETHEREAL_CONFIG)/" \
diff --git a/capture-wpcap.c b/capture-wpcap.c
index e81b737cb8..8e6c49b048 100644
--- a/capture-wpcap.c
+++ b/capture-wpcap.c
@@ -69,6 +69,12 @@ static int     (*p_pcap_loop) (pcap_t *, int, pcap_handler, guchar *);
 static int     (*p_pcap_findalldevs) (pcap_if_t **, char *);
 static void    (*p_pcap_freealldevs) (pcap_if_t *);
 #endif
+#ifdef HAVE_PCAP_DATALINK_NAME_TO_VAL
+static const char *(*p_pcap_datalink_name_to_val) (int);
+#endif
+#ifdef HAVE_PCAP_DATALINK_VAL_TO_NAME
+static const char *(*p_pcap_datalink_val_to_name) (int);
+#endif
 static const char *(*p_pcap_lib_version) (void);
 static int     (*p_pcap_setbuff) (pcap_t *, int dim);
 
@@ -101,6 +107,12 @@ load_wpcap(void)
 #ifdef HAVE_PCAP_FINDALLDEVS
 		SYM(pcap_findalldevs, TRUE),
 		SYM(pcap_freealldevs, TRUE),
+#endif
+#ifdef HAVE_PCAP_DATALINK_NAME_TO_VAL
+		SYM(pcap_datalink_name_to_val, TRUE),
+#endif
+#ifdef HAVE_PCAP_DATALINK_VAL_TO_NAME
+		SYM(pcap_datalink_val_to_name, TRUE),
 #endif
 		SYM(pcap_lib_version, TRUE),
 		SYM(pcap_setbuff, TRUE),
@@ -250,6 +262,24 @@ pcap_freealldevs(pcap_if_t *a)
 }
 #endif
 
+#ifdef HAVE_PCAP_DATALINK_NAME_TO_VAL
+int
+pcap_datalink_name_to_val(const char *name)
+{
+	g_assert(has_wpcap && p_pcap_datalink_name_to_val != NULL);
+	return p_pcap_datalink_name_to_val(dlt);
+}
+#endif
+
+#ifdef HAVE_PCAP_DATALINK_VAL_TO_NAME
+const char *
+pcap_datalink_val_to_name(int dlt)
+{
+	g_assert(has_wpcap && p_pcap_datalink_val_to_name != NULL);
+	return p_pcap_datalink_val_to_name(dlt);
+}
+#endif
+
 /* setbuff is win32 specific! */
 int pcap_setbuff(pcap_t *a, int b)
 {
diff --git a/config.h.win32 b/config.h.win32
index 49b178bfe5..c6d4d9cee1 100644
--- a/config.h.win32
+++ b/config.h.win32
@@ -43,6 +43,8 @@
 
 @HAVE_LIBPCAP@
 @HAVE_PCAP_FINDALLDEVS@
+@HAVE_PCAP_DATALINK_NAME_TO_VAL@
+@HAVE_PCAP_DATALINK_VAL_TO_NAME@
 @WPCAP_CONSTIFIED@
 @HAVE_LIBETHEREALDLL@
 
diff --git a/config.nmake b/config.nmake
index 27244b6940..0cdffd68eb 100644
--- a/config.nmake
+++ b/config.nmake
@@ -262,14 +262,19 @@ GTK2_LIBS=$(GTK2_DIR)\lib\gtk-win32-2.0.lib \
 WINPCAP_CONFIG=^#define HAVE_LIBPCAP 1
 !IF "$(WINPCAP_VERSION)" == "3.0" || "$(WINPCAP_VERSION)" == "3.1"
 PCAP_FINDALLDEVS_CONFIG=^#define HAVE_PCAP_FINDALLDEVS 1
+PCAP_DATALINK_NAME_TO_VAL_CONFIG=^#define HAVE_PCAP_DATALINK_NAME_TO_VAL 1
+PCAP_DATALINK_VAL_TO_NAME_CONFIG=^#define HAVE_PCAP_DATALINK_VAL_TO_NAME 1
 WPCAP_CONSTIFIED_CONFIG=^#define WPCAP_CONSTIFIED 1
 !ELSE
 PCAP_FINDALLDEVS_CONFIG=
+PCAP_DATALINK_VAL_TO_NAME_CONFIG=
 WPCAP_CONSTIFIED=
 !ENDIF
 !ELSE
 WINPCAP_CONFIG=
 PCAP_FINDALLDEVS_CONFIG=
+PCAP_DATALINK_NAME_TO_VAL_CONFIG=
+PCAP_DATALINK_VAL_TO_NAME_CONFIG=
 WPCAP_CONSTIFIED=
 !ENDIF
 
-- 
2.34.1