Using `extern "C" __declspec(dllexport) __stdcall`, Win32 MSVC compiler
exports the functions are as `_name@N`. Exporting functions using
`/EXPORT` linker flag allows us to specify exact function name.
Note: The 64-bit MSVC compiler does not exhibit `__stdcall` name-
mangling.
---
src/openvpnmsica/openvpnmsica.c | 12 ++++++++++++
src/openvpnmsica/openvpnmsica.h | 14 +++++++++++---
2 files changed, 23 insertions(+), 3 deletions(-)
diff --git a/src/openvpnmsica/openvpnmsica.c b/src/openvpnmsica/openvpnmsica.c
index 82333991..3b90ce05 100644
--- a/src/openvpnmsica/openvpnmsica.c
+++ b/src/openvpnmsica/openvpnmsica.c
@@ -145,6 +145,10 @@ openvpnmsica_setup_sequence_filename(
UINT __stdcall
FindTAPInterfaces(_In_ MSIHANDLE hInstall)
{
+#ifdef _MSC_VER
+#pragma comment(linker, DLLEXP_EXPORT)
+#endif
+
#ifdef _DEBUG
MessageBox(NULL, TEXT("Attach debugger!"), TEXT(__FUNCTION__) TEXT(" v")
TEXT(PACKAGE_VERSION), MB_OK);
#endif
@@ -247,6 +251,10 @@ cleanup_CoInitialize:
UINT __stdcall
EvaluateTAPInterfaces(_In_ MSIHANDLE hInstall)
{
+#ifdef _MSC_VER
+#pragma comment(linker, DLLEXP_EXPORT)
+#endif
+
#ifdef _DEBUG
MessageBox(NULL, TEXT("Attach debugger!"), TEXT(__FUNCTION__) TEXT(" v")
TEXT(PACKAGE_VERSION), MB_OK);
#endif
@@ -505,6 +513,10 @@ cleanup_exec_seq:
UINT __stdcall
ProcessDeferredAction(_In_ MSIHANDLE hInstall)
{
+#ifdef _MSC_VER
+#pragma comment(linker, DLLEXP_EXPORT)
+#endif
+
#ifdef _DEBUG
MessageBox(NULL, TEXT("Attach debugger!"), TEXT(__FUNCTION__) TEXT(" v")
TEXT(PACKAGE_VERSION), MB_OK);
#endif
diff --git a/src/openvpnmsica/openvpnmsica.h b/src/openvpnmsica/openvpnmsica.h
index 3a64fbaa..bb8e28ec 100644
--- a/src/openvpnmsica/openvpnmsica.h
+++ b/src/openvpnmsica/openvpnmsica.h
@@ -55,6 +55,14 @@ extern DWORD openvpnmsica_tlsidx_session;
extern "C" {
#endif
+#ifdef __GNUC__
+#define DLLEXP_DECL __declspec(dllexport)
+#else
+#define DLLEXP_DECL
+#define DLLEXP_EXPORT "/EXPORT:"__FUNCTION__"="__FUNCDNAME__
+#endif
+
+
/**
* Find existing TAP interfaces and set TAPINTERFACES property with semicolon
delimited list
* of installed TAP interface GUIDs.
@@ -64,7 +72,7 @@ extern "C" {
* @return ERROR_SUCCESS on success; An error code otherwise
* See:
https://msdn.microsoft.com/en-us/library/windows/desktop/aa368072.aspx
*/
-__declspec(dllexport) UINT __stdcall
+DLLEXP_DECL UINT __stdcall
FindTAPInterfaces(_In_ MSIHANDLE hInstall);
@@ -77,7 +85,7 @@ FindTAPInterfaces(_In_ MSIHANDLE hInstall);
* @return ERROR_SUCCESS on success; An error code otherwise
* See:
https://msdn.microsoft.com/en-us/library/windows/desktop/aa368072.aspx
*/
-__declspec(dllexport) UINT __stdcall
+DLLEXP_DECL UINT __stdcall
EvaluateTAPInterfaces(_In_ MSIHANDLE hInstall);
@@ -89,7 +97,7 @@ EvaluateTAPInterfaces(_In_ MSIHANDLE hInstall);
* @return ERROR_SUCCESS on success; An error code otherwise
* See:
https://msdn.microsoft.com/en-us/library/windows/desktop/aa368072.aspx
*/
-__declspec(dllexport) UINT __stdcall
+DLLEXP_DECL UINT __stdcall
ProcessDeferredAction(_In_ MSIHANDLE hInstall);
#ifdef __cplusplus
--
2.19.0.windows.1
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