From 6b94d4d14f701b76b61a2c45862dff98d011f447 Mon Sep 17 00:00:00 2001
From: Rui Abreu Ferreira <raf-ep@gmx.com>
Date: Sun, 14 Aug 2016 11:20:40 +0100
Subject: [PATCH] Windows: Check drive letter in absolute paths

Check if drive letter is alphabetic character in
path_is_absolute_path().
---
 src/nvim/path.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nvim/path.c b/src/nvim/path.c
index 4a47a70799..80eeac9e74 100644
--- a/src/nvim/path.c
+++ b/src/nvim/path.c
@@ -2191,7 +2191,7 @@ int path_is_absolute_path(const char_u *fname)
 {
 #ifdef WIN32
   // A name like "d:/foo" and "//server/share" is absolute
-  return ((fname[0] && fname[1] == ':' && (fname[2] == '/' || fname[2] == '\\'))
+  return ((isalpha(fname[0]) && fname[1] == ':' && (fname[2] == '/' || fname[2] == '\\'))
           || (fname[0] == fname[1] && (fname[0] == '/' || fname[0] == '\\')));
 #else
   // UNIX: This just checks if the file name starts with '/' or '~'.