From 642d97ced865307600a9d85257b23d61f1caa0c3 Mon Sep 17 00:00:00 2001
From: Bert Belder <bertbelder@gmail.com>
Date: Wed, 3 Aug 2011 02:09:37 +0200
Subject: [PATCH] Windows: make process arguments buffer computation better

---
 src/win/process.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/win/process.c b/src/win/process.c
index 489c2a16c..4a53d7b72 100644
--- a/src/win/process.c
+++ b/src/win/process.c
@@ -423,13 +423,9 @@ static wchar_t* make_program_args(char** args) {
     arg_count++;
   }
 
-  /* Adjust for potential quotes. */
-  size *= 2;
-
-  /* Arguments are separated with a space. */
-  if (arg_count > 0) {
-    size += arg_count - 1;
-  }
+  /* Adjust for potential quotes. Also assume the worst-case scenario 
+  /* that every character needs escaping, so we need twice as much space. */
+  size = size * 2 + arg_count * 2;
 
   dst = (wchar_t*)malloc(size);
   if (!dst) {