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-rw-r--r--src/network/proto.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/network/proto.c b/src/network/proto.c
new file mode 100644
index 00000000..8c25c53a
--- /dev/null
+++ b/src/network/proto.c
@@ -0,0 +1,58 @@
+#include <netdb.h>
+#include <stdio.h>
+#include <string.h>
+
+/* do we really need all these?? */
+
+static int idx;
+static const unsigned char protos[][6] = {
+ "\000ip",
+ "\001icmp",
+ "\002igmp",
+ "\003ggp",
+ "\006tcp",
+ "\014pup",
+ "\021udp",
+ "\026idp",
+ "\377raw"
+ "\0\0"
+};
+
+void endprotoent(void)
+{
+ idx = 0;
+}
+
+void setprotoent(int stayopen)
+{
+ idx = 0;
+}
+
+struct protoent *getprotoent(void)
+{
+ static struct protoent p;
+ static const char *aliases;
+ if (!protos[idx][1]) return NULL;
+ p.p_proto = protos[idx][0];
+ p.p_name = (char *)protos[idx++]+1;
+ p.p_aliases = (char **)&aliases;
+ return &p;
+}
+
+struct protoent *getprotobyname(const char *name)
+{
+ struct protoent *p;
+ endprotoent();
+ do p = getprotoent();
+ while (p && strcmp(name, p->p_name));
+ return p;
+}
+
+struct protoent *getprotobynumber(int num)
+{
+ struct protoent *p;
+ endprotoent();
+ do p = getprotoent();
+ while (p && p->p_proto != num);
+ return p;
+}