[aandrejevic] 64368: [NTVDM] Fix the calculation of TotalSize in DosCopyEnvironmentBlock. Return the correct error code in DosLoadExecutable.

Author: aandrejevic
Date: Sun Sep 28 17:27:54 2014
New Revision: 64368

URL: http://svn.reactos.org/svn/reactos?rev=64368&view=rev
Log:
[NTVDM]
Fix the calculation of TotalSize in DosCopyEnvironmentBlock.
Return the correct error code in DosLoadExecutable.


Modified:
    trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.c

Modified: trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/dos/dos32…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.c	[iso-8859-1] Sun Sep 28 17:27:54
2014
@@ -418,6 +418,9 @@
 
     /* Add the string buffer size */
     TotalSize += strlen(ProgramName) + 1;
+
+    /* Add the two extra bytes */
+    TotalSize += 2;
 
     /* Allocate the memory for the environment block */
     DestSegment = DosAllocateMemory((WORD)((TotalSize + 0x0F) >> 4), NULL);
@@ -1012,7 +1015,7 @@
         /* Check if at least the lowest allocation was successful */
         if (Segment == 0)
         {
-            Result = ERROR_NOT_ENOUGH_MEMORY;
+            Result = DosLastError;
             goto Cleanup;
         }
 
@@ -1081,7 +1084,7 @@
         Segment = DosAllocateMemory(MaxAllocSize, NULL);
         if (Segment == 0)
         {
-            Result = ERROR_ARENA_TRASHED;
+            Result = DosLastError;
             goto Cleanup;
         }