diff options
Diffstat (limited to 'src/fileio.c')
| -rw-r--r-- | src/fileio.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/fileio.c b/src/fileio.c index 1e4ca82e5f3..283813ff89e 100644 --- a/src/fileio.c +++ b/src/fileio.c @@ -1710,7 +1710,7 @@ See also the function `substitute-in-file-name'.") #endif /* Put into BUF the concatenation of DIR and FILE, with an intervening - directory separator if needed. Return a pointer to the NUL byte + directory separator if needed. Return a pointer to the null byte at the end of the concatenated string. */ char * splice_dir_file (char *buf, char const *dir, char const *file) @@ -2919,6 +2919,11 @@ DEFUN ("file-directory-p", Ffile_directory_p, Sfile_directory_p, 1, 1, 0, doc: /* Return t if FILENAME names an existing directory. Return nil if FILENAME does not name a directory, or if there was trouble determining whether FILENAME is a directory. + +As a special case, this function will also return t if FILENAME is the +empty string (\"\"). This quirk is due to Emacs interpreting the +empty string (in some cases) as the current directory. + Symbolic links to directories count as directories. See `file-symlink-p' to distinguish symlinks. */) (Lisp_Object filename) |