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