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1 //=========================================================================== |
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2 // |
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3 // printf.cxx |
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4 // |
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5 // ANSI Stdio printf() 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: 1998-02-13 |
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35 // Purpose: |
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36 // Description: |
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37 // Usage: |
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38 // |
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39 //####DESCRIPTIONEND#### |
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40 // |
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41 //=========================================================================== |
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42 |
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43 // CONFIGURATION |
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44 |
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45 #include <pkgconf/libc.h> // Configuration header |
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46 |
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47 // Include the C library? And do we want the stdio stuff? |
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48 #if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) |
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49 |
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50 // INCLUDES |
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51 |
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52 #include <cyg/infra/cyg_type.h> // Common project-wide type definitions |
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53 #include <stddef.h> // NULL and size_t from compiler |
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54 #include <stdio.h> // header for this file |
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55 #include <limits.h> // INT_MAX |
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56 #include "clibincl/stdiosupp.hxx" // Support functions for stdio |
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57 |
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58 // EXPORTED SYMBOLS |
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59 |
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60 externC int |
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61 printf( const char *, ... ) CYGPRI_LIBC_WEAK_ALIAS("_printf"); |
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62 |
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63 // FUNCTIONS |
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64 |
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65 externC int |
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66 _printf( const char *format, ... ) |
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67 { |
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68 int rc; // return code |
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69 va_list ap; // for variable args |
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70 |
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71 va_start(ap, format); // init specifying last non-var arg |
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72 |
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73 rc = _vfnprintf(stdout, INT_MAX, format, ap); |
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74 |
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75 va_end(ap); // end var args |
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76 |
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77 return rc; |
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78 } // _printf() |
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79 |
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80 |
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81 #endif // if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) |
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82 |
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83 // EOF printf.cxx |
