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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 -- G N A T . T I M E _ S T A M P --
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6 -- --
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7 -- B o d y --
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8 -- --
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9 -- Copyright (C) 2008-2018, Free Software Foundation, Inc. --
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111
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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 with Interfaces.C; use Interfaces.C;
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33
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34 package body GNAT.Time_Stamp is
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35
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36 subtype time_stamp is char_array (0 .. 22);
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37 type time_stamp_ptr is access all time_stamp;
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38 -- The desired ISO 8601 string format has exactly 22 characters. We add
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39 -- one additional character for '\0'. The indexing starts from zero to
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40 -- accommodate the C layout.
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41
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42 procedure gnat_current_time_string (Value : time_stamp_ptr);
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43 pragma Import (C, gnat_current_time_string, "__gnat_current_time_string");
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44
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45 ------------------
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46 -- Current_Time --
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47 ------------------
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48
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49 function Current_Time return String is
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50 Result : aliased time_stamp;
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51
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52 begin
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53 gnat_current_time_string (Result'Unchecked_Access);
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54 Result (22) := nul;
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55
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56 return To_Ada (Result);
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57 end Current_Time;
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58
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59 end GNAT.Time_Stamp;
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