1 files changed, 57 insertions, 0 deletions
diff --git a/lib/inet_pton.c b/lib/inet_pton.c
new file mode 100644
index 0000000..7638b6e
--- /dev/null
+++ b/lib/inet_pton.c
@@ -0,0 +1,57 @@
+#include "../include/sane/config.h"
+
+#ifndef HAVE_INET_PTON
+
+#include <string.h>
+#include <sys/types.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#endif
+
+int 
+inet_pton (int af, const char *src, void *dst)
+{
+
+  if (af == AF_INET)
+    {
+
+#if defined(HAVE_INET_ATON)
+      int result;
+      struct in_addr in;
+
+      result = inet_aton (src, &in);
+      if (result)
+	{
+	  memcpy (dst, &in.s_addr, sizeof (in.s_addr));
+	  return 1;
+	}
+      else
+	return 0;
+
+#elif defined(HAVE_INET_ADDR)
+
+# if !defined(INADDR_NONE)
+#  define INADDR_NONE -1
+# endif /* !defined(INADDR_NONE) */
+      u_int32_t in;
+
+      in = inet_addr (src);
+      if (in != INADDR_NONE)
+	{
+	  memcpy (dst, &in, sizeof (in));
+	  return 1;
+	}
+      else
+	return 0;
+
+#endif /* defined(HAVE_INET_ATON) */
+    }
+  return -1;
+}
+
+#endif /* !HAVE_INET_PTON */