diff options
Diffstat (limited to 'src/libutil/util.hh')
| -rw-r--r-- | src/libutil/util.hh | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/libutil/util.hh b/src/libutil/util.hh index 54673c28c6af..1b0600006a29 100644 --- a/src/libutil/util.hh +++ b/src/libutil/util.hh @@ -60,15 +60,18 @@ extern string thisSystem; is also canonicalised. */ Path absPath(Path path, Path dir = ""); -/* Canonicalise a path (as in realpath(3)). */ +/* Canonicalise a path by removing all `.' or `..' components and + double or trailing slashes. */ Path canonPath(const Path & path); -/* Return the directory part of the given path, i.e., everything - before the final `/'. */ +/* Return the directory part of the given canonical path, i.e., + everything before the final `/'. If the path is the root or an + immediate child thereof (e.g., `/foo'), this means an empty string + is returned. */ Path dirOf(const Path & path); -/* Return the base name of the given path, i.e., everything following - the final `/'. */ +/* Return the base name of the given canonical path, i.e., everything + following the final `/'. */ string baseNameOf(const Path & path); /* Return true iff the given path exists. */ |