1 files changed, 46 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libugly/getnameinfo.c b/mdk-stage1/dietlibc/libugly/getnameinfo.c
new file mode 100644
index 000000000..40883ba09
--- /dev/null
+++ b/mdk-stage1/dietlibc/libugly/getnameinfo.c
@@ -0,0 +1,46 @@
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+#include <string.h>
+
+extern int __ltostr(char *s, int size, unsigned long i, int base, char UpCase);
+
+int getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host,
+		size_t hostlen, char *serv, size_t servlen, int flags) {
+  sa_family_t f=((struct sockaddr_storage *)sa)->ss_family;
+  (void)salen;	/* shut gcc up about unused salen */
+  if (host && hostlen>0) {	/* user wants me to resolve the host name */
+    register const char*addr=(f==AF_INET6)?(char*)&((struct sockaddr_in6*)sa)->sin6_addr:
+					   (char*)&((struct sockaddr_in*)sa)->sin_addr;
+    if (flags&NI_NUMERICHOST) {
+      if (!inet_ntop(f,addr,host,hostlen))
+	return EAI_NONAME;
+    } else {
+      char buf[4096];
+      struct hostent h;
+      struct hostent *H;
+      int herrno;
+      if (gethostbyaddr_r(addr,f==AF_INET6?16:4,f,&h,buf,4096,&H,&herrno)) {
+	switch (herrno) {
+	case TRY_AGAIN: return EAI_AGAIN;
+	case NO_DATA:
+	case HOST_NOT_FOUND: return EAI_NONAME;
+	}
+      }
+      strncpy(host,h.h_name,hostlen-1);
+      host[hostlen-1]=0;
+    }
+  }
+  if (serv && servlen>0) {
+    register short int port=(f==AF_INET6)?((struct sockaddr_in6*)sa)->sin6_port:((struct sockaddr_in*)sa)->sin_port;
+    if (flags&NI_NUMERICSERV) {
+      __ltostr(serv,servlen,ntohs(port),10,0);
+    } else {
+      struct servent *s;
+      if (!(s=getservbyport(port,flags&NI_DGRAM?"udp":"tcp")))
+	return EAI_SERVICE;
+    }
+  }
+  return 0;
+}