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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
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1 //===========================================================================
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2 //
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3 // fputc.cxx
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4 //
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5 // ISO Standard I/O character output functions
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6 //
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7 //===========================================================================
208
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
115
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40 //===========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): jlarmour
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44 // Contributors:
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45 // Date: 2000-04-20
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46 // Purpose: Provide the fputc() function. Also provides the function
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47 // versions of putc() and putchar()
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48 // Description:
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49 // Usage:
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50 //
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51 //####DESCRIPTIONEND####
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52 //
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53 //===========================================================================
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54
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55 // CONFIGURATION
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56
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57 #include <pkgconf/libc_stdio.h> // Configuration header
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58
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59 // INCLUDES
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60
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61 #include <cyg/infra/cyg_type.h> // Common project-wide type definitions
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62 #include <cyg/infra/cyg_ass.h> // Standard eCos assertion support
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63 #include <cyg/infra/cyg_trac.h> // Standard eCos tracing support
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64 #include <stddef.h> // NULL and size_t from compiler
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65 #include <stdio.h> // header for this file
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66 #include <errno.h> // error codes
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67 #include <cyg/libc/stdio/stream.hxx>// Cyg_StdioStream
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68
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69 // FUNCTIONS
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70
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71 externC int
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72 fputc( int c, FILE *stream )
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73 {
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74 Cyg_StdioStream *real_stream = (Cyg_StdioStream *)stream;
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75 Cyg_ErrNo err;
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76 cyg_uint8 real_c = (cyg_uint8) c;
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77
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78 CYG_REPORT_FUNCNAMETYPE("fputc", "wrote char %d");
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79 CYG_REPORT_FUNCARG2( "c = %d, stream=%08x", c, stream );
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80
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81 CYG_CHECK_DATA_PTR( stream, "stream is not a valid pointer" );
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82
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83 err = real_stream->write_byte( real_c );
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84
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85 if (err)
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86 {
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87 real_stream->set_error( err );
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88 errno = err;
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89 CYG_REPORT_RETVAL(EOF);
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90 return EOF;
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91 } // if
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92
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93 CYG_REPORT_RETVAL((int)real_c);
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94 return (int)real_c;
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95
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96 } // fputc()
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97
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98
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99 // Also define putchar() even though it can be a macro.
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100 // Undefine the macro first though
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101 #undef putchar
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102
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103 externC int
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104 putchar( int c )
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105 {
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106 return fputc( c, stdout );
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107 } // putchar()
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108
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109 // Also define putc() even though it can be a macro.
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110 // Undefine the macro first though
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111 #undef putc
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112
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113 externC int
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114 putc( int, FILE * ) CYGBLD_ATTRIB_WEAK_ALIAS(fputc);
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115
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116 // EOF fputc.cxx