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Merge branch 'upstream-KWSys' into update-kwsys

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# By KWSys Upstream
* upstream-KWSys:
  KWSys 2026-08-07 (1c806117)
This commit is contained in:
Brad King
2026-08-07 11:13:34 -04:00
parent 5190a9d88e 8931545843
commit ebe735cc3c
2 changed files with 22 additions and 21 deletions
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32
Source/kwsys/DynamicLoader.cxx
View File

@@ -30,16 +30,16 @@
// Each part of the ifdef contains a complete implementation for
// the static methods of DynamicLoader.
#define CHECK_OPEN_FLAGS(var, supported, ret) \
#define CHECK_OPEN_FLAGS(var, supported) \
do { \
/* Check for unknown flags. */ \
if ((var & AllOpenFlags) != var) { \
return ret; \
return InvalidLibrary; \
} \
\
/* Check for unsupported flags. */ \
if ((var & (supported)) != var) { \
return ret; \
return InvalidLibrary; \
} \
} while (0)
@@ -61,7 +61,7 @@ namespace KWSYS_NAMESPACE {
DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
std::string const& libname, int flags)
{
return 0;
return InvalidLibrary;
}
int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
@@ -76,7 +76,7 @@ int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
DynamicLoader::LibraryHandle lib, std::string const& sym)
{
return 0;
return nullptr;
}
char const* DynamicLoader::LastError()
@@ -96,7 +96,7 @@ namespace KWSYS_NAMESPACE {
DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
std::string const& libname, int flags)
{
CHECK_OPEN_FLAGS(flags, 0, 0);
CHECK_OPEN_FLAGS(flags, 0);
return shl_load(libname.c_str(), BIND_DEFERRED | DYNAMIC_PATH, 0L);
}
@@ -121,7 +121,7 @@ DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
* TYPE_UNDEFINED Look for any symbol.
*/
status = shl_findsym(&lib, sym.c_str(), TYPE_UNDEFINED, &addr);
void* result = (status < 0) ? (void*)0 : addr;
void* result = (status < 0) ? nullptr : addr;
// Hack to cast pointer-to-data to pointer-to-function.
return *reinterpret_cast<DynamicLoader::SymbolPointer*>(&result);
@@ -161,7 +161,7 @@ namespace KWSYS_NAMESPACE {
DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
std::string const& libname, int flags)
{
CHECK_OPEN_FLAGS(flags, 0, 0);
CHECK_OPEN_FLAGS(flags, 0);
NSObjectFileImageReturnCode rc;
NSObjectFileImage image = 0;
@@ -169,7 +169,7 @@ DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
rc = NSCreateObjectFileImageFromFile(libname.c_str(), &image);
// rc == NSObjectFileImageInappropriateFile when trying to load a dylib file
if (rc != NSObjectFileImageSuccess) {
return 0;
return InvalidLibrary;
}
NSModule handle = NSLinkModule(image, libname.c_str(),
NSLINKMODULE_OPTION_BINDNOW |
@@ -192,7 +192,7 @@ int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
DynamicLoader::LibraryHandle lib, std::string const& sym)
{
void* result = 0;
void* result = nullptr;
// Need to prepend symbols with '_' on Apple-gcc compilers
std::string rsym = '_' + sym;
@@ -207,7 +207,7 @@ DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
char const* DynamicLoader::LastError()
{
return 0;
return nullptr;
}
} // namespace KWSYS_NAMESPACE
@@ -223,7 +223,7 @@ namespace KWSYS_NAMESPACE {
DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
std::string const& libname, int flags)
{
CHECK_OPEN_FLAGS(flags, SearchBesideLibrary, nullptr);
CHECK_OPEN_FLAGS(flags, SearchBesideLibrary);
DWORD llFlags = 0;
if (flags & SearchBesideLibrary) {
@@ -310,14 +310,14 @@ static image_id last_dynamic_err = B_OK;
DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
std::string const& libname, int flags)
{
CHECK_OPEN_FLAGS(flags, 0, 0);
CHECK_OPEN_FLAGS(flags, 0);
// image_id's are integers, errors are negative. Add one just in case we
// get a valid image_id of zero (is that even possible?).
image_id rc = load_add_on(libname.c_str());
if (rc < 0) {
last_dynamic_err = rc;
return 0;
return InvalidLibrary;
}
return rc + 1;
@@ -390,7 +390,7 @@ namespace KWSYS_NAMESPACE {
DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
std::string const& libname, int flags)
{
CHECK_OPEN_FLAGS(flags, 0, nullptr);
CHECK_OPEN_FLAGS(flags, 0);
char* name = (char*)calloc(1, libname.size() + 1);
dld_init(program_invocation_name);
@@ -436,7 +436,7 @@ namespace KWSYS_NAMESPACE {
DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
std::string const& libname, int flags)
{
CHECK_OPEN_FLAGS(flags, RTLDGlobal, nullptr);
CHECK_OPEN_FLAGS(flags, RTLDGlobal);
int llFlags = RTLD_LAZY;
if (flags & RTLDGlobal) {

11
Source/kwsys/DynamicLoader.hxx.in
View File

@@ -49,18 +49,19 @@ public:
// They are different on several different OS's
#if defined(__hpux)
typedef shl_t LibraryHandle;
static constexpr LibraryHandle InvalidLibrary = 0;
#elif defined(_WIN32) && !defined(__CYGWIN__)
typedef HMODULE LibraryHandle;
#elif defined(__APPLE__)
# if MAC_OS_X_VERSION_MAX_ALLOWED < 1030
static constexpr LibraryHandle InvalidLibrary = nullptr;
#elif defined(__APPLE__) && (MAC_OS_X_VERSION_MAX_ALLOWED < 1030)
typedef NSModule LibraryHandle;
# else
typedef void* LibraryHandle;
# endif
static constexpr LibraryHandle InvalidLibrary = 0;
#elif defined(__BEOS__)
typedef image_id LibraryHandle;
static constexpr LibraryHandle InvalidLibrary = 0;
#else // POSIX
typedef void* LibraryHandle;
static constexpr LibraryHandle InvalidLibrary = nullptr;
#endif
// Return type from DynamicLoader::GetSymbolAddress.