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annotate packages/language/c/libc/stdio/current/src/common/stdin.cxx @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
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children d2f49caf9e38
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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 Red Hat eCos Public License
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12 // Version 1.1 (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://www.redhat.com/
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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 Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): jlarmour
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35 // Contributors:
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36 // Date: 2000-04-20
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37 // Purpose: Initialization of stdin stream for ISO C library
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38 // Description: We put all this in a separate file in the hope that if
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39 // no-one uses stdin, then it is not included in the image
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40 // Usage:
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41 //
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42 //####DESCRIPTIONEND####
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43 //
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44 //========================================================================
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45
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46 // CONFIGURATION
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47
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48 #include <pkgconf/libc_stdio.h> // Configuration header
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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 <cyg/libc/stdio/stream.hxx> // Cyg_StdioStream class
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64 #include <cyg/libc/stdio/stdiofiles.hxx> // C library files
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65 #include <cyg/libc/stdio/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 CYGBLD_ATTRIB_INIT_PRI(CYG_INIT_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),
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73 Cyg_StdioStream::CYG_STREAM_READ, false, false, _IOLBF );
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74
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75
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76 // CLASSES
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77
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78 // This is a dummy class just so we can execute arbitrary code when
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79 // stdin is requested
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80
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81 class cyg_libc_dummy_stdin_init_class {
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82 public:
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83 cyg_libc_dummy_stdin_init_class(void) {
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84 Cyg_libc_stdio_files::set_file_stream(0, &cyg_libc_stdio_stdin);
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85 }
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86 };
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87
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88 // And here's an instance of the class just to make the code run
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89 static cyg_libc_dummy_stdin_init_class cyg_libc_dummy_stdin_init
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90 CYGBLD_ATTRIB_INIT_PRI(CYG_INIT_LIBC);
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91 // EOF stdin.cxx