From 0516d969ebffa93f1317a9dbf6e4c1a1af457a59 Mon Sep 17 00:00:00 2001
From: Hugh McMaster <hugh.mcmaster@outlook.com>
Date: Wed, 8 Apr 2015 16:08:08 +1000
Subject: [PATCH] wineconsole: Do not truncate argument strings larger than 256
 bytes.

---
 programs/wineconsole/wineconsole.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/programs/wineconsole/wineconsole.c b/programs/wineconsole/wineconsole.c
index 3c2faf585e2..ed5f816357e 100644
--- a/programs/wineconsole/wineconsole.c
+++ b/programs/wineconsole/wineconsole.c
@@ -830,13 +830,24 @@ int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmdLine, INT nCmdSh
         break;
     case from_process_name:
         {
-            WCHAR           buffer[256];
+            int len;
+            WCHAR *buffer;
 
-            MultiByteToWideChar(CP_ACP, 0, wci.ptr, -1, buffer, sizeof(buffer) / sizeof(buffer[0]));
+            len = MultiByteToWideChar(CP_ACP, 0, wci.ptr, -1, NULL, 0);
+
+            buffer = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
+            if (!buffer)
+                return 0;
+
+            MultiByteToWideChar(CP_ACP, 0, wci.ptr, -1, buffer, len);
 
             if (!(data = WINECON_Init(hInst, GetCurrentProcessId(), buffer, wci.backend, nCmdShow)))
+            {
+                HeapFree(GetProcessHeap(), 0, buffer);
                 return 0;
+            }
             ret = WINECON_Spawn(data, buffer);
+            HeapFree(GetProcessHeap(), 0, buffer);
             if (!ret)
             {
                 WINECON_Delete(data);