Move inet_pton to posix platform-compatibility layer

2 files changed, 44 insertions, 1 deletions

diff --git a/src/win32/posix.h b/src/win32/posix.h
index 80dcca5c1..d99864d05 100644
--- a/src/win32/posix.h
+++ b/src/win32/posix.h
@@ -48,5 +48,6 @@ extern int p_getcwd(char *buffer_out, size_t size);
 extern int p_rename(const char *from, const char *to);
 extern int p_recv(GIT_SOCKET socket, void *buffer, size_t length, int flags);
 extern int p_send(GIT_SOCKET socket, const void *buffer, size_t length, int flags);
+extern int p_inet_pton(int af, const char* src, void* dst);
 
 #endif
diff --git a/src/win32/posix_w32.c b/src/win32/posix_w32.c
index 649fe9b95..557f4f3bf 100644
--- a/src/win32/posix_w32.c
+++ b/src/win32/posix_w32.c
@@ -11,7 +11,7 @@
 #include <errno.h>
 #include <io.h>
 #include <fcntl.h>
-
+#include <ws2tcpip.h>
 
 int p_unlink(const char *path)
 {
@@ -504,3 +504,45 @@ int p_gettimeofday(struct timeval *tv, struct timezone *tz)
  
    return 0;
 }
+
+int p_inet_pton(int af, const char* src, void* dst)
+{
+	union {
+		struct sockaddr_in6 sin6;
+		struct sockaddr_in sin;
+	} sa;
+	size_t srcsize;
+
+	switch(af)
+	{
+		case AF_INET:
+			sa.sin.sin_family = AF_INET;
+			srcsize = sizeof (sa.sin);
+		break;
+		case AF_INET6:
+			sa.sin6.sin6_family = AF_INET6;
+			srcsize = sizeof (sa.sin6);
+		break;
+		default:
+			errno = WSAEPFNOSUPPORT;
+			return -1;
+	}
+
+	if (WSAStringToAddress(src, af, NULL, (struct sockaddr *) &sa, &srcsize) != 0)
+	{
+		errno = WSAGetLastError();
+		return -1;
+	}
+
+	switch(af)
+	{
+		case AF_INET:
+			memcpy(dst, &sa.sin.sin_addr, sizeof(sa.sin.sin_addr));
+		break;
+		case AF_INET6:
+			memcpy(dst, &sa.sin6.sin6_addr, sizeof(sa.sin6.sin6_addr));
+		break;
+	}
+
+	return 1;
+}