128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
/****************************************************************************
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*
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* Open Watcom Project
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*
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* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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* ========================================================================
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*
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* This file contains Original Code and/or Modifications of Original
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* Code as defined in and that are subject to the Sybase Open Watcom
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* Public License version 1.0 (the 'License'). You may not use this file
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* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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* provided with the Original Code and Modifications, and is also
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* available at www.sybase.com/developer/opensource.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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* NON-INFRINGEMENT. Please see the License for the specific language
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* governing rights and limitations under the License.
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*
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* ========================================================================
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*
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* Description: Routines to create/destroy clib copy of OS environment.
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*
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****************************************************************************/
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#include "variety.h"
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#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <env.h>
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#include "liballoc.h"
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#include <string.h>
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#include "filestr.h"
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#include "rtdata.h"
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extern char _WCI86FAR *_Envptr;
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static char *_free_ep;
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#define allocate lib_malloc
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void __setenvp( void )
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{
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#if defined(__NETWARE__)
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// no environment support
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#elif defined(__LINUX__)
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#else
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char _WCI86FAR *startp;
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char _WCI86FAR *p;
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char *ep;
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char *my_env_mask;
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char **my_environ;
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int count;
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size_t ep_size;
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size_t env_size;
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/* if we are already initialized, then return */
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if( _RWD_environ != NULL ) return; /* 10-jun-90 */
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// env_size = sys_get_environ(0,0)+1;
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// _Envptr = lib_malloc(env_size);
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// sys_get_environ(_Envptr, env_size)
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startp = _Envptr;
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count = 0;
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p = startp;
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while( *p ) {
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while( *++p );
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++count;
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++p;
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}
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ep_size = p - startp;
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if( ep_size == 0 ) {
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ep_size = 1;
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}
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ep = (char *)allocate( ep_size );
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if( ep ) {
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env_size = (count + 1) * sizeof(char *) + count * sizeof(char);
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my_environ = (char **)allocate( env_size );
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if( my_environ ) {
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_RWD_environ = my_environ;
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p = startp;
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_free_ep = ep;
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while( *p ) {
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*my_environ++ = ep;
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while( *ep++ = *p++ )
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;
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}
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*my_environ++ = NULL;
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_RWD_env_mask = my_env_mask = (char *) my_environ;
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for( ; count; count-- )
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*my_env_mask++ = 0;
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} else {
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lib_free( ep );
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}
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}
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/*** Handle the C_FILE_INFO entry ***/
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#ifdef __USE_POSIX_HANDLE_STRINGS
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// __ParsePosixHandleStr();
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#endif
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#endif
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}
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#if !defined(__NETWARE__) && !defined(__LINUX__)
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void __freeenvp( void )
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{
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clearenv();
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if( _RWD_environ ) {
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lib_free( _RWD_environ );
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_RWD_environ = NULL;
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}
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if( _free_ep ) {
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lib_free( _free_ep );
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_free_ep = NULL;
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}
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}
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#endif
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