From 54cc610fde7cfa86848200db2f5dde6a5b11980e Mon Sep 17 00:00:00 2001
From: James Ross-Gowan <rossymiles@gmail.com>
Date: Tue, 24 Mar 2015 15:40:01 +1100
Subject: subprocess-win: handle empty arguments correctly

---
 osdep/subprocess-win.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'osdep/subprocess-win.c')

diff --git a/osdep/subprocess-win.c b/osdep/subprocess-win.c
index 211f407db1..7ea6d39cba 100644
--- a/osdep/subprocess-win.c
+++ b/osdep/subprocess-win.c
@@ -30,6 +30,12 @@
 
 static void write_arg(bstr *cmdline, char *arg)
 {
+    // Empty args must be represented as an empty quoted string
+    if (!arg[0]) {
+        bstr_xappend(NULL, cmdline, bstr0("\"\""));
+        return;
+    }
+
     // If the string doesn't have characters that need to be escaped, it's best
     // to leave it alone for the sake of Windows programs that don't process
     // quoted args correctly.
-- 
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