From 576760910b5dc7d5dd06345a40088fbdd08e2bab Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Sat, 1 Jun 1996 02:23:06 +0000 Subject: [PATCH] (Fexpand_file_name) [WINDOWSNT]: Don't strip trailing / when newdir is just "//". (Ffile_name_directory) [WINDOWSNT]: Return Qnil if filename is a partial UNC name such as "//foo". --- src/fileio.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/src/fileio.c b/src/fileio.c index f979cb2ab48..062f75ede81 100644 --- a/src/fileio.c +++ b/src/fileio.c @@ -348,6 +348,12 @@ on VMS, perhaps instead a string ending in `:', `]' or `>'.") if (p == beg) return Qnil; +#ifdef WINDOWSNT + /* We can consider the partial UNC name //machine to be a + directory name, but not just // on its own. */ + if (p == beg + 1 && IS_DIRECTORY_SEP (p[-1])) + return Qnil; +#endif #ifdef DOS_NT /* Expansion of "c:" to drive and default directory. */ if (p == beg + 2 && beg[1] == ':') @@ -1252,9 +1258,14 @@ See also the function `substitute-in-file-name'.") if (newdir) { - /* Get rid of any slash at the end of newdir. */ + /* Get rid of any slash at the end of newdir, unless newdir is + just // (an incomplete UNC name). */ length = strlen (newdir); - if (IS_DIRECTORY_SEP (newdir[length - 1])) + if (IS_DIRECTORY_SEP (newdir[length - 1]) +#ifdef WINDOWSNT + && !(length == 2 && IS_DIRECTORY_SEP (newdir[0])) +#endif + ) { unsigned char *temp = (unsigned char *) alloca (length); bcopy (newdir, temp, length - 1); -- 2.39.2