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1 //======================================================================== |
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2 // |
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3 // freopen.cxx |
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4 // |
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5 // Implementation of C library freopen() function |
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6 // |
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7 //======================================================================== |
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8 //####COPYRIGHTBEGIN#### |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Cygnus eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an "AS IS" |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //======================================================================== |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): jlarmour |
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33 // Contributors: jlarmour |
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34 // Date: 1999-01-21 |
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35 // Purpose: Provides ISO C freopen() function |
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36 // Description: Implementation of C library freopen() function as per |
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37 // ISO C standard chap. 7.9.5.4 |
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38 // Usage: |
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39 // |
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40 //####DESCRIPTIONEND#### |
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41 // |
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42 //======================================================================== |
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43 |
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44 // CONFIGURATION |
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45 |
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46 #include <pkgconf/libc.h> // Configuration header |
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47 |
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48 // Do we want the stdio stuff? And we only want freopen() if we have fopen() |
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49 #if defined(CYGPKG_LIBC_STDIO) && defined(CYGPKG_LIBC_STDIO_OPEN) |
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50 |
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51 |
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52 // INCLUDES |
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53 |
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54 #include <cyg/infra/cyg_type.h> // Common project-wide type definitions |
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55 #include <stddef.h> // NULL and size_t from compiler |
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56 #include <stdio.h> // header for freopen() |
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57 #include "clibincl/stdiosupp.hxx" // support for stdio |
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58 |
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59 |
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60 // EXPORTED SYMBOLS |
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61 |
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62 externC FILE * |
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63 freopen( const char *, const char *, FILE * ) |
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64 CYGBLD_ATTRIB_WEAK_ALIAS(_freopen); |
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65 |
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66 |
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67 // FUNCTIONS |
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68 |
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69 |
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70 externC FILE * |
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71 _freopen( const char *, const char *, FILE * ) |
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72 { |
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73 return NULL; // Returning NULL is valid! FIXME |
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74 } // _freopen() |
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75 |
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76 #endif // if defined(CYGPKG_LIBC_STDIO) && defined(CYGPKG_LIBC_STDIO_OPEN) |
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77 |
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78 // EOF freopen.cxx |
