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1 //=========================================================================== |
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2 // |
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3 // stdiosupp.cxx |
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4 // |
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5 // Helper C library functions for standard I/O |
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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 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@cygnus.co.uk |
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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 |
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48 // Include the C library? And do we want the stdio stuff? |
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49 #if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) |
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50 |
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51 // INCLUDES |
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52 |
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53 #include <cyg/infra/cyg_type.h> // Common project-wide type definitions |
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54 #include <stddef.h> // NULL and size_t from compiler |
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55 #include <cyg/devs/common/table.h> // Device table |
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56 #include "clibincl/stringsupp.hxx" // _strncmp() and _strcmp() |
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57 #include "clibincl/stdiosupp.hxx" // Header for this file |
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58 |
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59 |
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60 struct Cyg_Device_Table_t * |
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61 Cyg_libc_stdio_find_filename( const char *filename ) |
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62 { |
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63 int i; |
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64 struct Cyg_Device_Table_t *dev=NULL; |
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65 |
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66 // Find the "file" in the device table |
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67 if ( _strncmp( filename, "/dev/", 5) ) |
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68 { |
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69 return NULL; |
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70 } // if |
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71 |
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72 // match the bit after the "/dev/" |
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73 for (i=0; (Cyg_Device_Table[i].name != NULL); i++ ) |
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74 { |
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75 if ( !_strcmp( &filename[5], Cyg_Device_Table[i].name) ) |
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76 { |
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77 dev=&Cyg_Device_Table[i]; |
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78 break; |
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79 } |
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80 } // for |
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81 |
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82 return dev; // dev will still be NULL if the filename wasn't found |
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83 } // Cyg_libc_stdio_find_filename() |
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84 |
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85 |
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86 #endif // if defined(CYGPKG_LIBC) && defined(CYGPKG_LIBC_STDIO) |
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87 |
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88 // EOF stdiosupp.cxx |
