19596147897

Committed 22 Nov 2025 01:25PM UTC coverage: 90.629% (+0.002%) from 90.627%

Build # 19596147897

Build Type

Pull #5168

github

Committed by

web-flow

Commit Message

Merge 9ea34d5a5 into f8eb34002

Pull Request Pull Request #5168: Add clang-format 17 formatting rules for attributes and inline assembly

Run Details

100659 of 111067 relevant lines covered (90.63%)

12696690.87 hits per line

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91.67

/src/lib/utils/dyn_load/dyn_load.cpp

/*
* Dynamically Loaded Object
* (C) 2010 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/internal/dyn_load.h>

#include <botan/exceptn.h>
#include <botan/internal/fmt.h>
#include <botan/internal/target_info.h>
#include <sstream>

#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   #include <dlfcn.h>
#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   #define NOMINMAX 1
   #define _WINSOCKAPI_  // stop windows.h including winsock.h
   #include <windows.h>
#endif

namespace Botan {

namespace {

[[noreturn]]
void raise_runtime_loader_exception(std::string_view lib_name, const char* msg) {
   std::ostringstream err;
   err << "Failed to load " << lib_name << ": ";
   if(msg != nullptr) {
      err << msg;
   } else {
      err << "Unknown error";
   }

   throw System_Error(err.str(), 0);
}

void* open_shared_library(const std::string& library) {
#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   void* lib = ::dlopen(library.c_str(), RTLD_LAZY);

   if(lib != nullptr) {
      return lib;
   } else {
      raise_runtime_loader_exception(library, ::dlerror());
   }

#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   void* lib = ::LoadLibraryA(library.c_str());

   if(lib != nullptr) {
      return lib;
   } else {
      raise_runtime_loader_exception(library, "LoadLibrary failed");
   }
#else
   raise_runtime_loader_exception(library, "Dynamic loading not supported");
#endif
}

}  // namespace

Dynamically_Loaded_Library::Dynamically_Loaded_Library(std::string_view library) :
      m_lib_name(library), m_lib(open_shared_library(m_lib_name)) {}

Dynamically_Loaded_Library::~Dynamically_Loaded_Library() {
#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   ::dlclose(m_lib);
#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   ::FreeLibrary(reinterpret_cast<HMODULE>(m_lib));
#endif
}

void* Dynamically_Loaded_Library::resolve_symbol(const std::string& symbol) {
   void* addr = nullptr;

#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   addr = ::dlsym(m_lib, symbol.c_str());
#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   addr = reinterpret_cast<void*>(::GetProcAddress(reinterpret_cast<HMODULE>(m_lib), symbol.c_str()));
#endif

   if(addr == nullptr) {
      throw Invalid_Argument(fmt("Failed to resolve symbol {} in {}", symbol, m_lib_name));
   }

   return addr;
}

}  // namespace Botan

1	/*
2	* Dynamically Loaded Object
3	* (C) 2010 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/internal/dyn_load.h>
9
10	#include <botan/exceptn.h>
11	#include <botan/internal/fmt.h>
12	#include <botan/internal/target_info.h>
13	#include <sstream>
14
15	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
16	#include <dlfcn.h>
17	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
18	#define NOMINMAX 1
19	#define _WINSOCKAPI_ // stop windows.h including winsock.h
20	#include <windows.h>
21	#endif
22
23	namespace Botan {
24
25	namespace {
26
27	[[noreturn]]
28	void raise_runtime_loader_exception(std::string_view lib_name, const char* msg) {	1✔
29	std::ostringstream err;	1✔
30	err << "Failed to load " << lib_name << ": ";	1✔
31	if(msg != nullptr) {	1✔
32	err << msg;	1✔
33	} else {
34	err << "Unknown error";	×
35	}
36
37	throw System_Error(err.str(), 0);	2✔
38	}	1✔
39
40	void* open_shared_library(const std::string& library) {	76✔
41	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
42	void* lib = ::dlopen(library.c_str(), RTLD_LAZY);	76✔
43
44	if(lib != nullptr) {	76✔
45	return lib;	75✔
46	} else {
47	raise_runtime_loader_exception(library, ::dlerror());	1✔
48	}
49
50	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
51	void* lib = ::LoadLibraryA(library.c_str());
52
53	if(lib != nullptr) {
54	return lib;
55	} else {
56	raise_runtime_loader_exception(library, "LoadLibrary failed");
57	}
58	#else
59	raise_runtime_loader_exception(library, "Dynamic loading not supported");
60	#endif
61	}
62
63	} // namespace
64
65	Dynamically_Loaded_Library::Dynamically_Loaded_Library(std::string_view library) :	76✔
66	m_lib_name(library), m_lib(open_shared_library(m_lib_name)) {}	76✔
67
68	Dynamically_Loaded_Library::~Dynamically_Loaded_Library() {	75✔
69	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
70	::dlclose(m_lib);	75✔
71	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
72	::FreeLibrary(reinterpret_cast<HMODULE>(m_lib));
73	#endif
74	}	75✔
75
76	void* Dynamically_Loaded_Library::resolve_symbol(const std::string& symbol) {	77✔
77	void* addr = nullptr;	77✔
78
79	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
80	addr = ::dlsym(m_lib, symbol.c_str());	77✔
81	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
82	addr = reinterpret_cast<void*>(::GetProcAddress(reinterpret_cast<HMODULE>(m_lib), symbol.c_str()));
83	#endif
84
85	if(addr == nullptr) {	77✔
86	throw Invalid_Argument(fmt("Failed to resolve symbol {} in {}", symbol, m_lib_name));	×
87	}
88
89	return addr;	77✔
90	}
91
92	} // namespace Botan

randombit / botan / 19596147897

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