Mercurial > nand-ecoscentric
comparison packages/language/c/libc/current/src/stdio/common/freopen.cxx @ 0:3111d98ba7b3 ecos-v1_1-release
Initial commit of eCos version 1.1
| author | jlarmour |
|---|---|
| date | Tue, 11 May 1999 11:16:07 +0000 |
| parents | |
| children | 443894e2e912 |
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| -1:000000000000 | 0:3111d98ba7b3 |
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| 1 //======================================================================== | |
| 2 // | |
| 3 // freopen.cxx | |
| 4 // | |
| 5 // Implementation of C library freopen() function | |
| 6 // | |
| 7 //======================================================================== | |
| 8 //####COPYRIGHTBEGIN#### | |
| 9 // | |
| 10 // ------------------------------------------- | |
| 11 // The contents of this file are subject to the Cygnus eCos Public License | |
| 12 // Version 1.0 (the "License"); you may not use this file except in | |
| 13 // compliance with the License. You may obtain a copy of the License at | |
| 14 // http://sourceware.cygnus.com/ecos | |
| 15 // | |
| 16 // Software distributed under the License is distributed on an "AS IS" | |
| 17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the | |
| 18 // License for the specific language governing rights and limitations under | |
| 19 // the License. | |
| 20 // | |
| 21 // The Original Code is eCos - Embedded Cygnus Operating System, released | |
| 22 // September 30, 1998. | |
| 23 // | |
| 24 // The Initial Developer of the Original Code is Cygnus. Portions created | |
| 25 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. | |
| 26 // ------------------------------------------- | |
| 27 // | |
| 28 //####COPYRIGHTEND#### | |
| 29 //======================================================================== | |
| 30 //#####DESCRIPTIONBEGIN#### | |
| 31 // | |
| 32 // Author(s): jlarmour | |
| 33 // Contributors: jlarmour@cygnus.co.uk | |
| 34 // Date: 1998-02-13 | |
| 35 // Purpose: | |
| 36 // Description: Implementation of C library freopen() function as per | |
| 37 // ISO C standard chap. 7.9.5.4 | |
| 38 // Usage: | |
| 39 // | |
| 40 //####DESCRIPTIONEND#### | |
| 41 // | |
| 42 //======================================================================== | |
| 43 | |
| 44 // CONFIGURATION | |
| 45 | |
| 46 #include <pkgconf/libc.h> // Configuration header | |
| 47 | |
| 48 | |
| 49 // Include the C library? And do we want the stdio stuff? And we only want | |
| 50 // freopen if we have fopen() | |
| 51 #if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) && \ | |
| 52 defined(CYGPKG_LIBC_STDIO_OPEN) | |
| 53 | |
| 54 | |
| 55 // INCLUDES | |
| 56 | |
| 57 #include <cyg/infra/cyg_type.h> // Common project-wide type definitions | |
| 58 #include <stddef.h> // NULL and size_t from compiler | |
| 59 #include <errno.h> // Error codes | |
| 60 #include <stdio.h> // header for freopen() | |
| 61 #include "clibincl/stream.hxx" // C libray streams | |
| 62 #include "clibincl/clibdata.hxx" // C library private data | |
| 63 #include "clibincl/stdiosupp.hxx" // support for stdio | |
| 64 | |
| 65 | |
| 66 // EXPORTED SYMBOLS | |
| 67 | |
| 68 externC FILE * | |
| 69 freopen( const char *, const char *, FILE * ) | |
| 70 CYGPRI_LIBC_WEAK_ALIAS("_freopen"); | |
| 71 | |
| 72 | |
| 73 // FUNCTIONS | |
| 74 | |
| 75 | |
| 76 externC FILE * | |
| 77 _freopen( const char *, const char *, FILE * ) | |
| 78 { | |
| 79 return NULL; // Returning NULL is valid! | |
| 80 } // _freopen() | |
| 81 | |
| 82 #endif // if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) && | |
| 83 // defined(CYGPKG_LIBC_STDIO_OPEN) | |
| 84 | |
| 85 // EOF freopen.cxx |