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1 //======================================================================== |
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2 // |
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3 // stdin.cxx |
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4 // |
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5 // Initialization of stdin stream for ISO C library |
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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: 1999-01-15 |
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35 // Purpose: Initialization of stdin stream for ISO C library |
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36 // Description: We put all this in a separate file in the hope that if |
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37 // no-one uses stdin, then it is not included in the image |
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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 #ifdef CYGPKG_LIBC_STDIO |
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49 |
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50 // Don't let us get the stream definitions of stdin/out/err from stdio.h |
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51 // since we are going to break the type safety :-( |
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52 #define CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS |
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53 |
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54 // And we don't need the stdio inlines, which will otherwise complain if |
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55 // stdin/out/err are not available |
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56 #ifdef CYGIMP_LIBC_STDIO_INLINES |
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57 # undef CYGIMP_LIBC_STDIO_INLINES |
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58 #endif |
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59 |
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60 // INCLUDES |
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61 |
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62 #include <cyg/infra/cyg_type.h> // Common type definitions and support |
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63 #include "clibincl/stream.hxx" // Cyg_StdioStream class |
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64 #include "clibincl/stdiofiles.hxx" // C library files |
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65 #include "clibincl/stdiosupp.hxx" // Cyg_libc_stdio_find_filename() |
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66 |
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67 // STATICS |
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68 |
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69 Cyg_StdioStream |
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70 cyg_libc_stdio_stdin CYG_INIT_PRIORITY(LIBC) = Cyg_StdioStream( |
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71 Cyg_libc_stdio_find_filename(CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE), |
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72 Cyg_StdioStream::CYG_STREAM_READ, false, false, _IOLBF ); |
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73 |
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74 |
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75 // CLASSES |
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76 |
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77 // This is a dummy class just so we can execute arbitrary code when |
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78 // stdin is requested |
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79 |
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80 class cyg_libc_dummy_stdin_init_class { |
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81 public: |
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82 cyg_libc_dummy_stdin_init_class(void) { |
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83 Cyg_libc_stdio_files::set_file_stream(0, &cyg_libc_stdio_stdin); |
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84 } |
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85 }; |
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86 |
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87 // And here's an instance of the class just to make the code run |
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88 static cyg_libc_dummy_stdin_init_class cyg_libc_dummy_stdin_init |
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89 CYG_INIT_PRIORITY(LIBC); |
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90 |
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91 #endif // ifdef CYGPKG_LIBC_STDIO |
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92 |
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93 // EOF stdin.cxx |
