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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- S Y S T E M . F I L E _ A T T R I B U T E S --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 2013-2017, Free Software Foundation, Inc. --
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- This package provides a binding to the GNAT file attribute query functions
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33
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34 with System.OS_Constants;
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35 with System.Storage_Elements;
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36
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37 package System.File_Attributes is
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38
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39 type File_Attributes is private;
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40
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41 procedure Reset_Attributes (A : access File_Attributes);
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42
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43 function Error_Attributes (A : access File_Attributes) return Integer;
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44
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45 function File_Exists_Attr
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46 (N : System.Address;
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47 A : access File_Attributes) return Integer;
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48
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49 function Is_Regular_File_Attr
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50 (N : System.Address;
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51 A : access File_Attributes) return Integer;
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52
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53 function Is_Directory_Attr
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54 (N : System.Address;
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55 A : access File_Attributes) return Integer;
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56
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57 private
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58 package SOSC renames System.OS_Constants;
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59
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60 type File_Attributes is new
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61 System.Storage_Elements.Storage_Array
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62 (1 .. SOSC.SIZEOF_struct_file_attributes);
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63 for File_Attributes'Alignment use Standard'Maximum_Alignment;
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64
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65 pragma Import (C, Reset_Attributes, "__gnat_reset_attributes");
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66 pragma Import (C, Error_Attributes, "__gnat_error_attributes");
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67 pragma Import (C, File_Exists_Attr, "__gnat_file_exists_attr");
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68 pragma Import (C, Is_Regular_File_Attr, "__gnat_is_regular_file_attr");
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69 pragma Import (C, Is_Directory_Attr, "__gnat_is_directory_attr");
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70
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71 end System.File_Attributes;
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