mirror of https://github.com/acidanthera/audk.git
ShellPkg: Fix a bug ">>v" cannot append data to environment variable
When ">v" is used to redirect the command output to environment variable, the ending "\r\n\0" is removed before setting to environment variable but the length is not updated. It causes ">>v" fails to append data to the environment variable created by ">v". The patch fixes the above bug. Signed-off-by: Chen A Chen <chen.a.chen@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
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@ -3,7 +3,7 @@
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StdIn, StdOut, StdErr, etc...).
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Copyright 2016 Dell Inc.
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Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
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(C) Copyright 2013 Hewlett-Packard Development Company, L.P.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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@ -1074,6 +1074,10 @@ FileInterfaceEnvClose(
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(((CHAR16*)NewBuffer)[TotalSize / sizeof (CHAR16) - 3] == CHAR_CARRIAGE_RETURN)
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) {
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((CHAR16*)NewBuffer)[TotalSize / sizeof (CHAR16) - 3] = CHAR_NULL;
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//
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// If the NewBuffer end with \r\n\0, We will repace '\r' by '\0' and then update TotalSize.
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//
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TotalSize -= sizeof(CHAR16) * 2;
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}
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if (Volatile) {
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