For PR351: \

* Move generic isArchive method here from Unix/Path.cpp \
* Implement isDynamicLibrary \
* Implement FindLibrary for Linker


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18861 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2004-12-13 03:00:39 +00:00
parent de4cedca14
commit ccb23a13e9

View File

@ -49,6 +49,37 @@ sys::IdentifyFileType(const char*magic, unsigned length) {
return UnknownFileType;
}
bool
Path::isArchive() const {
if (readable())
return hasMagicNumber("!<arch>\012");
return false;
}
bool
Path::isDynamicLibrary() const {
if (readable())
return hasMagicNumber("\177ELF");
return false;
}
Path
Path::FindLibrary(std::string& name) {
std::vector<sys::Path> LibPaths;
GetSystemLibraryPaths(LibPaths);
for (unsigned i = 0; i < LibPaths.size(); ++i) {
sys::Path FullPath(LibPaths[i]);
FullPath.appendFile("lib" + name + LTDL_SHLIB_EXT);
if (FullPath.isDynamicLibrary())
return FullPath;
FullPath.elideSuffix();
FullPath.appendSuffix("a");
if (FullPath.isArchive())
return FullPath;
}
return sys::Path();
}
}
// Include the truly platform-specific parts of this class.