[Tcl-bugs] [ tcl-Bugs-502197 ] SetEnvironmentVariable() currupts list

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Bugs item #502197, was opened at 2002-01-10 21:42
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Category: 08. Environment Variables
Group: 8.4a4
Status: Closed
Resolution: Invalid
Priority: 5
Submitted By: David Gravereaux (davygrvy)
Assigned to: Jeffrey Hobbs (hobbs)
Summary: SetEnvironmentVariable() currupts list

Initial Comment:
Win32 specific!

Use of SetEnvironmentVariable() by an extension or an 
application that embeds Tcl, puts the libc maintained 
environ list out-of-sync.  This in turn puts Tcl's env 
array out-of-sync as well.

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>Comment By: David Gravereaux (davygrvy)
Date: 2002-02-25 14:16

Message:
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but in places where this is out of your control, 
GetEnvironmentStrings() more accurately represents what the 
OS maintains.

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Comment By: Jeffrey Hobbs (hobbs)
Date: 2002-02-25 14:09

Message:
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This is why Tcl has the Tcl_PutEnv compatibility procedure 
for extension authors to use to keep in sync.

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