implement inet_pton

Author: WinterMute

libogc/CMakeLists.txt

@@ -8,6 +8,7 @@ add_library(ogc STATIC
 	lwpcompat/lwpc_mq.c
 
 	ogc_sockets/soc_init.c
+	ogc_sockets/soc_inet_pton.c
 	ogc_sockets/soc_common.c
 	ogc_sockets/soc_socket.c
 	ogc_sockets/soc_bind.c

libogc/ogc_sockets/soc_common.h

@@ -5,6 +5,7 @@
 #include <string.h>
 #include <sys/iosupport.h>
 #include <gctypes.h>
+#include <gccore.h>
 #include <network.h>
 
 #define SYNC_ERROR ENODEV

libogc/ogc_sockets/soc_inet_pton.c

@@ -0,0 +1,26 @@
+#include "soc_common.h"
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <string.h>
+
+
+static int inet_pton4(const char *restrict src, void *restrict dst)
+{
+	u8 ip[4] ATTRIBUTE_ALIGN(4);
+	if(sscanf(src,"%hhu.%hhu.%hhu.%hhu",&ip[0], &ip[1], &ip[2], &ip[3]) != 4) return 0;
+
+	memcpy(dst,ip,4);
+	return 1;
+}
+
+
+int inet_pton(int af, const char *restrict src, void *restrict dst)
+{
+	if(af == AF_INET)
+	{
+		return inet_pton4(src,dst);
+	}
+	// only support IPv4
+	errno = EAFNOSUPPORT;
+	return -1;
+}