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-rw-r--r--src/utils/dyn_load/dyn_load.cpp34
1 files changed, 26 insertions, 8 deletions
diff --git a/src/utils/dyn_load/dyn_load.cpp b/src/utils/dyn_load/dyn_load.cpp
index 6d359bc01..5f3814778 100644
--- a/src/utils/dyn_load/dyn_load.cpp
+++ b/src/utils/dyn_load/dyn_load.cpp
@@ -11,10 +11,23 @@
#if defined(BOTAN_TARGET_OS_HAS_DLOPEN)
#include <dlfcn.h>
+#elif defined(BOTAN_TARGET_OS_HAS_LOADLIBRARY)
+ #include <windows.h>
#endif
namespace Botan {
+namespace {
+
+void raise_runtime_loader_exception(const std::string& lib_name,
+ const char* msg)
+ {
+ throw std::runtime_error("Failed to load " + lib_name + ": " +
+ (msg ? msg : "Unknown error"));
+ }
+
+}
+
Dynamically_Loaded_Library::Dynamically_Loaded_Library(
const std::string& library) :
lib_name(library), lib(0)
@@ -23,22 +36,25 @@ Dynamically_Loaded_Library::Dynamically_Loaded_Library(
lib = ::dlopen(lib_name.c_str(), RTLD_LAZY);
if(!lib)
- {
- const char* dl_err = dlerror();
- if(!dl_err)
- dl_err = "Unknown error";
-
- throw std::runtime_error("Failed to load engine " + lib_name + ": " +
- dl_err);
- }
+ raise_runtime_loader_exception(lib_name, dlerror());
+
+#elif defined(BOTAN_TARGET_OS_HAS_LOADLIBRARY)
+ lib = ::LoadLibrary(lib_name.c_str());
+
+ if(!lib)
+ raise_runtime_loader_exception(lib_name, "LoadLibrary failed");
#endif
+ if(!lib)
+ raise_runtime_loader_exception(lib_name, "Dynamic load not supported");
}
Dynamically_Loaded_Library::~Dynamically_Loaded_Library()
{
#if defined(BOTAN_TARGET_OS_HAS_DLOPEN)
::dlclose(lib);
+#elif defined(BOTAN_TARGET_OS_HAS_LOADLIBRARY)
+ ::FreeLibrary(lib);
#endif
}
@@ -48,6 +64,8 @@ void* Dynamically_Loaded_Library::resolve_symbol(const std::string& symbol)
#if defined(BOTAN_TARGET_OS_HAS_DLOPEN)
addr = ::dlsym(lib, symbol.c_str());
+#elif defined(BOTAN_TARGET_OS_HAS_LOADLIBRARY)
+ addr = ::GetProcAddress(lib, symbol.c_str());
#endif
if(!addr)