From 07133ac060c2af721941f7b47c52c075df3168ba Mon Sep 17 00:00:00 2001
From: Angelo Mantellini <manangel@cisco.com>
Date: Fri, 30 Apr 2021 12:26:57 +0200
Subject: [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>
---
 lib/includes/hicn/base.h                       |  5 +-
 lib/includes/hicn/common.h                     |  3 ++
 lib/includes/hicn/util/windows/dlfcn.h         | 33 +++++++++++++
 lib/includes/hicn/util/windows/windows_utils.h |  8 ++++
 lib/src/CMakeLists.txt                         |  5 ++
 lib/src/util/windows/dlfcn.c                   | 65 ++++++++++++++++++++++++++
 6 files changed, 118 insertions(+), 1 deletion(-)
 create mode 100644 lib/includes/hicn/util/windows/dlfcn.h
 create mode 100644 lib/src/util/windows/dlfcn.c

(limited to 'lib')

diff --git a/lib/includes/hicn/base.h b/lib/includes/hicn/base.h
index 797912f91..1061724ce 100644
--- a/lib/includes/hicn/base.h
+++ b/lib/includes/hicn/base.h
@@ -22,8 +22,11 @@
 #define HICN_BASE_H
 
 #include "common.h"
+#ifdef _WIN32
+#include <Winsock2.h>
+#else
 #include <netinet/in.h>
-
+#endif
 /* Default header fields */
 #define HICN_DEFAULT_TTL 254
 
diff --git a/lib/includes/hicn/common.h b/lib/includes/hicn/common.h
index a5ca2878b..05f8ad95f 100644
--- a/lib/includes/hicn/common.h
+++ b/lib/includes/hicn/common.h
@@ -104,6 +104,9 @@ typedef uword ip_csum_t;
 
  /* Windows compatibility headers */
 #define WIN32_LEAN_AND_MEAN
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
 #include <windows.h>
 #include <winsock2.h>
 #include <ws2ipdef.h>
diff --git a/lib/includes/hicn/util/windows/dlfcn.h b/lib/includes/hicn/util/windows/dlfcn.h
new file mode 100644
index 000000000..7775226cd
--- /dev/null
+++ b/lib/includes/hicn/util/windows/dlfcn.h
@@ -0,0 +1,33 @@
+/* dlfcn.h */
+
+#ifndef DLFCN_H
+#define DLFCN_H
+#define RTLD_GLOBAL 0x100 /* do not hide entries in this module */
+#define RTLD_LOCAL  0x000 /* hide entries in this module */
+
+#define RTLD_LAZY   0x000 /* accept unresolved externs */
+#define RTLD_NOW    0x001 /* abort if module has unresolved externs */
+
+/*
+   How to call in Windows:
+
+   void *h = dlopen ("path\\library.dll", flags)
+   void (*fun)() = dlsym (h, "entry")
+*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+      void *dlopen  (const char *filename, int flag);
+      int   dlclose (void *handle);
+
+      void *dlsym   (void *handle, const char *name);
+
+const char *dlerror (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/includes/hicn/util/windows/windows_utils.h b/lib/includes/hicn/util/windows/windows_utils.h
index c4662af5e..d24aaadbf 100755
--- a/lib/includes/hicn/util/windows/windows_utils.h
+++ b/lib/includes/hicn/util/windows/windows_utils.h
@@ -17,12 +17,16 @@
 #define WINDOWS_UTILS_H
 #define WIN32_LEAN_AND_MEAN
 #define HAVE_STRUCT_TIMESPEC
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
 #include <Windows.h>
 #include <stdint.h>
 #include <io.h>
 #include <stdlib.h>
 #include <winsock2.h>
 #include <WS2tcpip.h>
+#include "dlfcn.h"
 
 #ifndef IOVEC
 #define IOVEC
@@ -152,3 +156,7 @@ int gettimeofday(struct timeval * tp, struct timezone * tzp);
   ((((x) & 0xff000000u) >> 24) | (((x) & 0x00ff0000u) >> 8)	\
    | (((x) & 0x0000ff00u) << 8) | (((x) & 0x000000ffu) << 24))
 #endif
+
+#ifndef bzero
+#define bzero(b,len) (memset((b), '\0', (len)), (void) 0)
+#endif
\ No newline at end of file
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
-- 
cgit 1.2.3-korg