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| 359 | serge | 1 | /**************************************************************************** |
| 2 | * |
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| 3 | * Open Watcom Project |
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| 4 | * |
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| 5 | * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
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| 6 | * |
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| 7 | * ======================================================================== |
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| 8 | * |
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| 9 | * This file contains Original Code and/or Modifications of Original |
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| 10 | * Code as defined in and that are subject to the Sybase Open Watcom |
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| 11 | * Public License version 1.0 (the 'License'). You may not use this file |
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| 12 | * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
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| 13 | * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
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| 14 | * provided with the Original Code and Modifications, and is also |
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| 15 | * available at www.sybase.com/developer/opensource. |
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| 16 | * |
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| 17 | * The Original Code and all software distributed under the License are |
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| 18 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
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| 19 | * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
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| 20 | * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
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| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
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| 22 | * NON-INFRINGEMENT. Please see the License for the specific language |
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| 23 | * governing rights and limitations under the License. |
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| 24 | * |
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| 25 | * ======================================================================== |
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| 26 | * |
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| 27 | * Description: io_mode handle information array manipulation |
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| 28 | * |
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| 29 | ****************************************************************************/ |
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| 30 | |||
| 31 | |||
| 32 | #include "variety.h" |
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| 33 | #include |
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| 34 | #include |
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| 35 | #include |
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| 36 | #include |
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| 37 | #include "rtdata.h" |
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| 38 | //#include "liballoc.h" |
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| 39 | #include "fileacc.h" |
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| 40 | #include "rtinit.h" |
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| 41 | #include "seterrno.h" |
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| 42 | #include "iomode.h" |
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| 43 | |||
| 44 | unsigned __NFiles = _NFILES; /* maximum # of files we can open */ |
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| 45 | |||
| 46 | #if defined(__NETWARE__) |
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| 47 | #error NO IO MODE MANAGER UNDER NETWARE |
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| 48 | #endif |
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| 49 | |||
| 50 | #if !defined(__UNIX__) |
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| 51 | |||
| 52 | unsigned _HUGEDATA __init_mode[_NFILES] = { /* file mode information (flags) */ |
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| 53 | _READ, /* stdin */ |
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| 54 | _WRITE, /* stdout */ |
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| 55 | _WRITE, /* stderr */ |
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| 56 | _READ|_WRITE, /* stdaux */ |
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| 57 | _WRITE /* stdprn */ |
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| 58 | }; |
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| 59 | |||
| 60 | unsigned *__io_mode = __init_mode; /* initially points to static array */ |
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| 61 | |||
| 62 | unsigned __GetIOMode( int handle ) |
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| 63 | { |
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| 64 | if( handle >= __NFiles ) |
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| 65 | { |
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| 66 | return( 0 ); |
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| 67 | } |
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| 68 | return( __io_mode[handle] ); |
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| 69 | } |
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| 70 | |||
| 71 | void __SetIOMode_nogrow( int handle, unsigned value ) |
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| 72 | { |
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| 73 | if( handle < __NFiles ) |
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| 74 | { |
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| 75 | __io_mode[handle] = value; /* we're closing it; smite _INITIALIZED */ |
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| 76 | } |
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| 77 | } |
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| 78 | |||
| 79 | #endif |
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| 80 |