[ros-bugs] [Bug 5611] New: PATCH: Prevent crash command-line Service Control due to missing arguments

[ReactOS.Bugzilla at reactos.org]

http://www.reactos.org/bugzilla/show_bug.cgi?id=5611

           Summary: PATCH: Prevent crash command-line Service Control due to
                    missing arguments
           Product: ReactOS
           Version: TRUNK
          Platform: x86 Hardware
        OS/Version: ReactOS
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: Patches
        AssignedTo: ros-bugs at reactos.org
        ReportedBy: roelmessiant at gmail.com


Created an attachment (id=5307)
 --> (http://www.reactos.org/bugzilla/attachment.cgi?id=5307)
Initial sc patch.

In a console, running sc with some operations without arguments crashes.
Causes are accesses to arguments without checking the argument count.

To reproduce:
start cmd, use one of the following commands as-is:

sc start
sc pause
sc interrogate
sc stop
sc continue
sc delete
sc create
sc control
sc control foo

Extra changes piggybacking along in this patch:
- provide usage information for the control command
- provide usage information when an unknown command gets used


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