adaint.h, adaint.c (__gnat_current_time_string): New routine.
2008-04-08 Hristian Kirtchev <kirtchev@adacore.com> * adaint.h, adaint.c (__gnat_current_time_string): New routine. * g-timsta.adb, g-timsta.ads: New files. From-SVN: r134017
This commit is contained in:
Hristian Kirtchev
Arnaud Charlet
parent
7f335c645d
commit
9392454c58
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@ -6,7 +6,7 @@
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* *
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* C Implementation File *
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* *
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* Copyright (C) 1992-2007, Free Software Foundation, Inc. *
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* Copyright (C) 1992-2008, Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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@ -359,6 +359,30 @@ __gnat_current_time
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return (OS_Time) res;
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}
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/* Return the current local time as a string in the ISO 8601 format of
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"YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters
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long. */
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void
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__gnat_current_time_string
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(char *result)
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{
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const char *format = "%Y-%m-%d %H:%M:%S";
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/* Format string necessary to describe the ISO 8601 format */
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const time_t t_val = time (NULL);
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strftime (result, 22, format, localtime (&t_val));
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/* Convert the local time into a string following the ISO format, copying
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at most 22 characters into the result string. */
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result [19] = '.';
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result [20] = '0';
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result [21] = '0';
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/* The sub-seconds are manually set to zero since type time_t lacks the
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precision necessary for nanoseconds. */
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}
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void
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__gnat_to_gm_time
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(OS_Time *p_time,
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@ -434,7 +458,8 @@ __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED,
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/* Try to lock a file, return 1 if success. */
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#if defined (__vxworks) || defined (__nucleus__) || defined (MSDOS) || defined (_WIN32)
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#if defined (__vxworks) || defined (__nucleus__) || defined (MSDOS) \
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|| defined (_WIN32)
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/* Version that does not use link. */
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@ -6,7 +6,7 @@
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* *
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* C Header File *
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* *
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* Copyright (C) 1992-2007, Free Software Foundation, Inc. *
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* Copyright (C) 1992-2008, Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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@ -47,6 +47,7 @@ typedef long OS_Time; /* Type corresponding to GNAT.OS_Lib.OS_Time */
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extern int __gnat_max_path_len;
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extern OS_Time __gnat_current_time (void);
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extern void __gnat_current_time_string (char *);
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extern void __gnat_to_gm_time (OS_Time *, int *, int *,
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int *, int *,
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int *, int *);
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@ -0,0 +1,61 @@
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- G N A T . T I M E _ S T A M P --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2008, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with Interfaces.C; use Interfaces.C;
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package body GNAT.Time_Stamp is
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subtype time_stamp is char_array (0 .. 22);
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type time_stamp_ptr is access all time_stamp;
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-- The desired ISO 8601 string format has exactly 22 characters. We add
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-- one additional character for '\0'. The indexing starts from zero to
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-- accomodate the C layout.
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procedure gnat_current_time_string (Value : time_stamp_ptr);
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pragma Import (C, gnat_current_time_string, "__gnat_current_time_string");
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------------------
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-- Current_Time --
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------------------
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function Current_Time return String is
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Result : aliased time_stamp;
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begin
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gnat_current_time_string (Result'Unchecked_Access);
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Result (22) := nul;
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return To_Ada (Result);
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end Current_Time;
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end GNAT.Time_Stamp;
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@ -0,0 +1,42 @@
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- G N A T . T I M E _ S T A M P --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2008, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This package provides a lighweight mechanism for obtaining time stamps
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package GNAT.Time_Stamp is
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function Current_Time return String;
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-- Return the current local time in the following ISO 8601 string format:
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-- YYYY-MM-DD HH:MM:SS.SS
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end GNAT.Time_Stamp;
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