#if HAVE_FCNTL_H
#include <fcntl.h>
#endif
+#if HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# if HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# if HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# if HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
#if HAVE_STDIO_H
#include <stdio.h>
#endif
SmallString<128> path_storage;
StringRef p = path.toNullTerminatedStringRef(path_storage);
- if (::mkdir(p.begin(), 0700) == -1) {
+ if (::mkdir(p.begin(), S_IRWXU | S_IRWXG) == -1) {
if (errno != errc::file_exists)
return error_code(errno, system_category());
existed = true;
StringRef f = from.toNullTerminatedStringRef(from_storage);
StringRef t = to.toNullTerminatedStringRef(to_storage);
- if (::rename(f.begin(), t.begin()) == -1)
- return error_code(errno, system_category());
+ if (::rename(f.begin(), t.begin()) == -1) {
+ // If it's a cross device link, copy then delete, otherwise return the error
+ if (errno == EXDEV) {
+ if (error_code ec = copy_file(from, to, copy_option::overwrite_if_exists))
+ return ec;
+ bool Existed;
+ if (error_code ec = remove(from, Existed))
+ return ec;
+ } else
+ return error_code(errno, system_category());
+ }
return success;
}
Model.c_str();
// Make model absolute by prepending a temp directory if it's not already.
- bool absolute;
- if (error_code ec = path::is_absolute(Twine(Model), absolute)) return ec;
+ bool absolute = path::is_absolute(Twine(Model));
if (!absolute) {
SmallString<128> TDir;
if (error_code ec = TempDir(TDir)) return ec;
- if (error_code ec = path::append(TDir, Twine(Model))) return ec;
+ path::append(TDir, Twine(Model));
Model.swap(TDir);
}
SmallString<64> dir_to_create;
for (path::const_iterator i = path::begin(p),
e = --path::end(p); i != e; ++i) {
- if (error_code ec = path::append(dir_to_create, *i)) return ec;
+ path::append(dir_to_create, *i);
bool Exists;
if (error_code ec = exists(Twine(dir_to_create), Exists)) return ec;
if (!Exists) {
// Make the path absolute.
char real_path_buff[PATH_MAX + 1];
if (realpath(RandomPath.c_str(), real_path_buff) == NULL) {
+ int error = errno;
::close(RandomFD);
::unlink(RandomPath.c_str());
- return error_code(errno, system_category());
+ return error_code(error, system_category());
}
result_path.clear();
return success;
}
+error_code directory_iterator_construct(directory_iterator &it, StringRef path){
+ SmallString<128> path_null(path);
+ DIR *directory = ::opendir(path_null.c_str());
+ if (directory == 0)
+ return error_code(errno, system_category());
+
+ it.IterationHandle = reinterpret_cast<intptr_t>(directory);
+ // Add something for replace_filename to replace.
+ path::append(path_null, ".");
+ it.CurrentEntry = directory_entry(path_null.str());
+ return directory_iterator_increment(it);
+}
+
+error_code directory_iterator_destruct(directory_iterator& it) {
+ if (it.IterationHandle)
+ ::closedir(reinterpret_cast<DIR *>(it.IterationHandle));
+ it.IterationHandle = 0;
+ it.CurrentEntry = directory_entry();
+ return success;
+}
+
+error_code directory_iterator_increment(directory_iterator& it) {
+ errno = 0;
+ dirent *cur_dir = ::readdir(reinterpret_cast<DIR *>(it.IterationHandle));
+ if (cur_dir == 0 && errno != 0) {
+ return error_code(errno, system_category());
+ } else if (cur_dir != 0) {
+ StringRef name(cur_dir->d_name, NAMLEN(cur_dir));
+ if ((name.size() == 1 && name[0] == '.') ||
+ (name.size() == 2 && name[0] == '.' && name[1] == '.'))
+ return directory_iterator_increment(it);
+ it.CurrentEntry.replace_filename(name);
+ } else
+ return directory_iterator_destruct(it);
+
+ return success;
+}
+
+error_code get_magic(const Twine &path, uint32_t len,
+ SmallVectorImpl<char> &result) {
+ SmallString<128> PathStorage;
+ StringRef Path = path.toNullTerminatedStringRef(PathStorage);
+ result.set_size(0);
+
+ // Open path.
+ std::FILE *file = std::fopen(Path.data(), "rb");
+ if (file == 0)
+ return error_code(errno, system_category());
+
+ // Reserve storage.
+ result.reserve(len);
+
+ // Read magic!
+ size_t size = std::fread(result.data(), 1, len, file);
+ if (std::ferror(file) != 0) {
+ std::fclose(file);
+ return error_code(errno, system_category());
+ } else if (size != result.size()) {
+ if (std::feof(file) != 0) {
+ std::fclose(file);
+ result.set_size(size);
+ return make_error_code(errc::value_too_large);
+ }
+ }
+ std::fclose(file);
+ result.set_size(len);
+ return success;
+}
+
} // end namespace fs
} // end namespace sys
} // end namespace llvm