/// @result The stem of \a path.
const StringRef stem(StringRef path);
-/// Convert path to a canonical form, resolving symbolic links and removing
-/// unnecessary path elements (e.g., "foo/../", "./").
-///
-/// @param path A path that is going to be canonicalized by resolving symlinks
-/// and removing unnecessary path elements (e.g., "./").
-///
-/// @param buffer The resulting canonical path.
-void canonical(const char *path, SmallVectorImpl<char> &result);
-
/// @brief Get extension.
///
/// If filename contains a dot but not solely one or two dots, result is the
}
} // end namespace fs
-
-namespace path {
-
-void canonical(const char *path, SmallVectorImpl<char> &buffer) {
- buffer.resize(PATH_MAX);
- char *result = realpath(path, buffer.data());
- if (result) {
- buffer.resize(strlen(result));
- return;
- }
-
- // A common extension is to support memory allocation of the result when
- // passing NULL as the second argument.
- result = realpath(path, 0);
- if (result) {
- size_t length = strlen(result);
- buffer.resize(length);
- memcpy(buffer.data(), result, length);
- free(result);
- return;
- }
-
- size_t length = strlen(path);
- buffer.resize(length);
- memcpy(buffer.data(), path, length);
- return;
-}
-
-} // end namespace path
-
} // end namespace sys
} // end namespace llvm