5123321399

Committed 30 May 2023 04:06PM UTC coverage: 92.213% (+0.004%) from 92.209%

Build # 5123321399

Build Type

Pull #3558

github

Committed by

web-flow

Commit Message

Merge dd72f7389 into 057bcbc35

Pull Request Pull Request #3558: Add braces around all if/else statements

Run Details

75602 of 81986 relevant lines covered (92.21%)

11859779.3 hits per line

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91.3

/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 <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 {

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

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

}  // namespace

Dynamically_Loaded_Library::Dynamically_Loaded_Library(std::string_view library) : m_lib_name(library), m_lib(nullptr) {
#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
   m_lib = ::dlopen(m_lib_name.c_str(), RTLD_LAZY);

   if(!m_lib) {
      raise_runtime_loader_exception(m_lib_name, ::dlerror());
   }

#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
   m_lib = ::LoadLibraryA(m_lib_name.c_str());

   if(!m_lib)
      raise_runtime_loader_exception(m_lib_name, "LoadLibrary failed");
#endif

   if(!m_lib) {
      raise_runtime_loader_exception(m_lib_name, "Dynamic load not supported");
   }
}

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) {
      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 <sstream>
13
14	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
15	#include <dlfcn.h>
16	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
17	#define NOMINMAX 1
18	#define _WINSOCKAPI_ // stop windows.h including winsock.h
19	#include <windows.h>
20	#endif
21
22	namespace Botan {
23
24	namespace {
25
26	void raise_runtime_loader_exception(std::string_view lib_name, const char* msg) {	1✔
27	std::ostringstream err;	1✔
28	err << "Failed to load " << lib_name << ": ";	1✔
29	if(msg) {	1✔
30	err << msg;	1✔
31	} else {
32	err << "Unknown error";	×
33	}
34
35	throw System_Error(err.str(), 0);	2✔
36	}	1✔
37
38	} // namespace
39
40	Dynamically_Loaded_Library::Dynamically_Loaded_Library(std::string_view library) : m_lib_name(library), m_lib(nullptr) {	76✔
41	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
42	m_lib = ::dlopen(m_lib_name.c_str(), RTLD_LAZY);	76✔
43
44	if(!m_lib) {	76✔
45	raise_runtime_loader_exception(m_lib_name, ::dlerror());	1✔
46	}
47
48	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
49	m_lib = ::LoadLibraryA(m_lib_name.c_str());
50
51	if(!m_lib)
52	raise_runtime_loader_exception(m_lib_name, "LoadLibrary failed");
53	#endif
54
55	if(!m_lib) {	75✔
56	raise_runtime_loader_exception(m_lib_name, "Dynamic load not supported");
57	}
58	}	76✔
59
60	Dynamically_Loaded_Library::~Dynamically_Loaded_Library() {	75✔
61	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
62	::dlclose(m_lib);	75✔
63	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
64	::FreeLibrary(reinterpret_cast<HMODULE>(m_lib));
65	#endif
66	}	75✔
67
68	void* Dynamically_Loaded_Library::resolve_symbol(const std::string& symbol) {	77✔
69	void* addr = nullptr;	77✔
70
71	#if defined(BOTAN_TARGET_OS_HAS_POSIX1)
72	addr = ::dlsym(m_lib, symbol.c_str());	77✔
73	#elif defined(BOTAN_TARGET_OS_HAS_WIN32)
74	addr = reinterpret_cast<void*>(::GetProcAddress(reinterpret_cast<HMODULE>(m_lib), symbol.c_str()));
75	#endif
76
77	if(!addr) {	77✔
78	throw Invalid_Argument(fmt("Failed to resolve symbol {} in {}", symbol, m_lib_name));	×
79	}
80
81	return addr;	77✔
82	}
83
84	} // namespace Botan

randombit / botan / 5123321399

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