[HICN-703] Update windows-sdk and hicn code

Signed-off-by: Angelo Mantellini <@ngelo.mantellini@cisco.com>
Change-Id: I05e4c92ce7de3640f0272afae127e1377862bd3e
Signed-off-by: Angelo Mantellini <angelo.mantellini@cisco.com>

2 files changed, 70 insertions, 0 deletions

diff --git a/lib/src/CMakeLists.txt b/lib/src/CMakeLists.txt
index 49b735f51..f410e3d83 100644
--- a/lib/src/CMakeLists.txt
+++ b/lib/src/CMakeLists.txt
@@ -30,6 +30,11 @@ list(APPEND LIBHICN_SOURCE_FILES
   ${CMAKE_CURRENT_SOURCE_DIR}/util/log.c
 )
 
+if (WIN32)
+  list(APPEND LIBHICN_SOURCE_FILES
+    ${CMAKE_CURRENT_SOURCE_DIR}/util/windows/dlfcn.c
+  )
+endif ()
 set (COMPILER_DEFINITIONS "-DWITH_MAPME")
 
 include(BuildMacros)
diff --git a/lib/src/util/windows/dlfcn.c b/lib/src/util/windows/dlfcn.c
new file mode 100644
index 000000000..c8173cdb0
--- /dev/null
+++ b/lib/src/util/windows/dlfcn.c
@@ -0,0 +1,65 @@
+/* dlfcn.c */ 
+
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <windows.h>
+
+static struct {
+    long lasterror;
+    const char *err_rutin;
+} var = {
+    0,
+    NULL
+};
+
+void *dlopen (const char *filename, int flags)
+{
+    HINSTANCE hInst;
+
+    hInst= LoadLibrary (filename);
+    if (hInst==NULL) {
+        var.lasterror = GetLastError ();
+        var.err_rutin = "dlopen";
+    }
+    return hInst;
+}
+
+int dlclose (void *handle)
+{
+    BOOL ok;
+    int rc= 0;
+
+    ok= FreeLibrary ((HINSTANCE)handle);
+    if (! ok) {
+        var.lasterror = GetLastError ();
+        var.err_rutin = "dlclose";
+        rc= -1;
+    }
+    return rc;
+}
+
+void *dlsym (void *handle, const char *name)
+{
+    FARPROC fp;
+
+    fp= GetProcAddress ((HINSTANCE)handle, name);
+    if (!fp) {
+        var.lasterror = GetLastError ();
+        var.err_rutin = "dlsym";
+    }
+    return (void *)(intptr_t)fp;
+}
+
+const char *dlerror (void)
+{
+static char errstr [88];
+
+    if (var.lasterror) {
+        sprintf (errstr, "%s error #%ld", var.err_rutin, var.lasterror);
+        return errstr;
+    } else {
+        return NULL;
+    }
+}
\ No newline at end of file