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fff98f6316
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3693 d0543943-73ff-0310-b7d9-9358b9ac24b2
110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <string.h>
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#include "primpl.h"
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/* Lock used to lock the environment */
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#if defined(_PR_NO_PREEMPT)
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#define _PR_NEW_LOCK_ENV()
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#define _PR_DELETE_LOCK_ENV()
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#define _PR_LOCK_ENV()
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#define _PR_UNLOCK_ENV()
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#elif defined(_PR_LOCAL_THREADS_ONLY)
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extern _PRCPU * _pr_primordialCPU;
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static PRIntn _is;
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#define _PR_NEW_LOCK_ENV()
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#define _PR_DELETE_LOCK_ENV()
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#define _PR_LOCK_ENV() if (_pr_primordialCPU) _PR_INTSOFF(_is);
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#define _PR_UNLOCK_ENV() if (_pr_primordialCPU) _PR_INTSON(_is);
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#else
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static PRLock *_pr_envLock = NULL;
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#define _PR_NEW_LOCK_ENV() {_pr_envLock = PR_NewLock();}
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#define _PR_DELETE_LOCK_ENV() \
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{ if (_pr_envLock) { PR_DestroyLock(_pr_envLock); _pr_envLock = NULL; } }
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#define _PR_LOCK_ENV() { if (_pr_envLock) PR_Lock(_pr_envLock); }
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#define _PR_UNLOCK_ENV() { if (_pr_envLock) PR_Unlock(_pr_envLock); }
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#endif
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/************************************************************************/
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void _PR_InitEnv(void)
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{
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_PR_NEW_LOCK_ENV();
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}
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void _PR_CleanupEnv(void)
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{
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_PR_DELETE_LOCK_ENV();
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}
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PR_IMPLEMENT(char*) PR_GetEnv(const char *var)
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{
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char *ev;
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if (!_pr_initialized) _PR_ImplicitInitialization();
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_PR_LOCK_ENV();
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ev = _PR_MD_GET_ENV(var);
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_PR_UNLOCK_ENV();
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return ev;
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}
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PR_IMPLEMENT(PRStatus) PR_SetEnv(const char *string)
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{
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PRIntn result;
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if (!_pr_initialized) _PR_ImplicitInitialization();
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if ( !strchr(string, '=')) return(PR_FAILURE);
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_PR_LOCK_ENV();
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result = _PR_MD_PUT_ENV(string);
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_PR_UNLOCK_ENV();
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return (result)? PR_FAILURE : PR_SUCCESS;
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}
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/*
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** DEPRECATED. Use PR_SetEnv() instead.
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*/
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#ifdef XP_MAC
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PR_IMPLEMENT(PRIntn) PR_PutEnv(const char *string)
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{
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return (PR_SetEnv(string) == PR_SUCCESS) ? PR_TRUE : PR_FALSE;
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}
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#endif
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