+#if defined(HAVE_PCAP_DATALINK_NAME_TO_VAL) || defined(HAVE_PCAP_DATALINK_VAL_TO_NAME) || defined(HAVE_PCAP_DATALINK_VAL_TO_DESCRIPTION)
+/*
+ * Table of DLT_ types, names, and descriptions, for use if the version
+ * of WinPcap we have installed lacks "pcap_datalink_name_to_val()"
+ * or "pcap_datalink_val_to_name()".
+ */
+struct dlt_choice {
+ const char *name;
+ const char *description;
+ int dlt;
+};
+
+#define DLT_CHOICE(code, description) { #code, description, code }
+#define DLT_CHOICE_SENTINEL { NULL, NULL, 0 }
+
+static struct dlt_choice dlt_choices[] = {
+ DLT_CHOICE(DLT_NULL, "BSD loopback"),
+ DLT_CHOICE(DLT_EN10MB, "Ethernet"),
+ DLT_CHOICE(DLT_IEEE802, "Token ring"),
+ DLT_CHOICE(DLT_ARCNET, "ARCNET"),
+ DLT_CHOICE(DLT_SLIP, "SLIP"),
+ DLT_CHOICE(DLT_PPP, "PPP"),
+ DLT_CHOICE(DLT_FDDI, "FDDI"),
+ DLT_CHOICE(DLT_ATM_RFC1483, "RFC 1483 IP-over-ATM"),
+ DLT_CHOICE(DLT_RAW, "Raw IP"),
+#ifdef DLT_SLIP_BSDOS
+ DLT_CHOICE(DLT_SLIP_BSDOS, "BSD/OS SLIP"),
+#endif
+#ifdef DLT_PPP_BSDOS
+ DLT_CHOICE(DLT_PPP_BSDOS, "BSD/OS PPP"),
+#endif
+#ifdef DLT_ATM_CLIP
+ DLT_CHOICE(DLT_ATM_CLIP, "Linux Classical IP-over-ATM"),
+#endif
+#ifdef DLT_PPP_SERIAL
+ DLT_CHOICE(DLT_PPP_SERIAL, "PPP over serial"),
+#endif
+#ifdef DLT_PPP_ETHER
+ DLT_CHOICE(DLT_PPP_ETHER, "PPPoE"),
+#endif
+#ifdef DLT_C_HDLC
+ DLT_CHOICE(DLT_C_HDLC, "Cisco HDLC"),
+#endif
+#ifdef DLT_IEEE802_11
+ DLT_CHOICE(DLT_IEEE802_11, "802.11"),
+#endif
+#ifdef DLT_FRELAY
+ DLT_CHOICE(DLT_FRELAY, "Frame Relay"),
+#endif
+#ifdef DLT_LOOP
+ DLT_CHOICE(DLT_LOOP, "OpenBSD loopback"),
+#endif
+#ifdef DLT_ENC
+ DLT_CHOICE(DLT_ENC, "OpenBSD encapsulated IP"),
+#endif
+#ifdef DLT_LINUX_SLL
+ DLT_CHOICE(DLT_LINUX_SLL, "Linux cooked"),
+#endif
+#ifdef DLT_LTALK
+ DLT_CHOICE(DLT_LTALK, "Localtalk"),
+#endif
+#ifdef DLT_PFLOG
+ DLT_CHOICE(DLT_PFLOG, "OpenBSD pflog file"),
+#endif
+#ifdef DLT_PRISM_HEADER
+ DLT_CHOICE(DLT_PRISM_HEADER, "802.11 plus Prism header"),
+#endif
+#ifdef DLT_IP_OVER_FC
+ DLT_CHOICE(DLT_IP_OVER_FC, "RFC 2625 IP-over-Fibre Channel"),
+#endif
+#ifdef DLT_SUNATM
+ DLT_CHOICE(DLT_SUNATM, "Sun raw ATM"),
+#endif
+#ifdef DLT_IEEE802_11_RADIO
+ DLT_CHOICE(DLT_IEEE802_11_RADIO, "802.11 plus radio information header"),
+#endif
+#ifdef DLT_ARCNET_LINUX
+ DLT_CHOICE(DLT_ARCNET_LINUX, "Linux ARCNET"),
+#endif
+#ifdef DLT_LINUX_IRDA
+ DLT_CHOICE(DLT_LINUX_IRDA, "Linux IrDA"),
+#endif
+#ifdef DLT_LINUX_LAPD
+ DLT_CHOICE(DLT_LINUX_LAPD, "Linux vISDN LAPD"),
+#endif
+#ifdef DLT_LANE8023
+ DLT_CHOICE(DLT_LANE8023, "Linux 802.3 LANE"),
+#endif
+#ifdef DLT_CIP
+ DLT_CHOICE(DLT_CIP, "Linux Classical IP-over-ATM"),
+#endif
+#ifdef DLT_HDLC
+ DLT_CHOICE(DLT_HDLC, "Cisco HDLC"),
+#endif
+#ifdef DLT_PPI
+ DLT_CHOICE(DLT_PPI, "Per-Packet Information"),
+#endif
+ DLT_CHOICE_SENTINEL
+};
+#endif /* defined(HAVE_PCAP_DATALINK_NAME_TO_VAL) || defined(HAVE_PCAP_DATALINK_VAL_TO_NAME) || defined(HAVE_PCAP_DATALINK_VAL_TO_DESCRIPTION */
+
+#ifdef HAVE_PCAP_DATALINK_NAME_TO_VAL
+int
+pcap_datalink_name_to_val(const char *name)
+{
+ int i;
+
+ g_assert(has_wpcap);
+
+ if (p_pcap_datalink_name_to_val != NULL)
+ return p_pcap_datalink_name_to_val(name);
+ else {
+ /*
+ * We don't have it in WinPcap; do it ourselves.
+ */
+ for (i = 0; dlt_choices[i].name != NULL; i++) {
+ if (g_ascii_strcasecmp(dlt_choices[i].name + sizeof("DLT_") - 1,
+ name) == 0)
+ return dlt_choices[i].dlt;
+ }
+ return -1;
+ }
+}
+#endif
+
+#ifdef HAVE_PCAP_LIST_DATALINKS
+int
+pcap_list_datalinks(pcap_t *p, int **ddlt)
+{
+ g_assert(has_wpcap);
+ return p_pcap_list_datalinks(p, ddlt);
+}
+#endif
+
+#ifdef HAVE_PCAP_FREE_DATALINKS
+void
+pcap_free_datalinks(int *ddlt)
+{
+ g_assert(has_wpcap);
+
+ /*
+ * If we don't have pcap_free_datalinks() in WinPcap,
+ * we don't free the memory - we can't use free(), as
+ * we might not have been built with the same version
+ * of the C runtime library as WinPcap was, and, if we're
+ * not, free() isn't guaranteed to work on something
+ * allocated by WinPcap.
+ */
+ if (p_pcap_free_datalinks != NULL)
+ p_pcap_free_datalinks(ddlt);
+}
+#endif
+
+#ifdef HAVE_PCAP_DATALINK_VAL_TO_NAME
+const char *
+pcap_datalink_val_to_name(int dlt)
+{
+ int i;
+
+ g_assert(has_wpcap);
+
+ if (p_pcap_datalink_val_to_name != NULL)
+ return p_pcap_datalink_val_to_name(dlt);
+ else {
+ /*
+ * We don't have it in WinPcap; do it ourselves.
+ */
+ for (i = 0; dlt_choices[i].name != NULL; i++) {
+ if (dlt_choices[i].dlt == dlt)
+ return dlt_choices[i].name + sizeof("DLT_") - 1;
+ }
+ return NULL;
+ }
+}
+#endif
+
+#ifdef HAVE_PCAP_DATALINK_VAL_TO_DESCRIPTION
+const char *
+pcap_datalink_val_to_description(int dlt)
+{
+ int i;
+
+ g_assert(has_wpcap);
+
+ if (p_pcap_datalink_val_to_description != NULL)
+ return p_pcap_datalink_val_to_description(dlt);
+ else {
+ /*
+ * We don't have it in WinPcap; do it ourselves.
+ */
+ for (i = 0; dlt_choices[i].name != NULL; i++) {
+ if (dlt_choices[i].dlt == dlt)
+ return (dlt_choices[i].description);
+ }
+ return NULL;
+ }
+}
+#endif
+
+#ifdef HAVE_PCAP_BREAKLOOP
+void pcap_breakloop(pcap_t *a)
+{
+ p_pcap_breakloop(a);
+}
+#endif
+