1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2000-2001 --
-- ACT-Europe --
-- --
-- Authors: Dmitriy Anisimkov - Pascal Obry --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under the terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2 of the License, or (at --
-- your option) any later version. --
-- --
-- This library is distributed in the hope that it will be useful, but --
-- WITHOUT 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 --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. --
------------------------------------------------------------------------------
-- $Id: aws-os_lib-posix.adb,v 1.1 2003/10/05 19:59:44 Jano Exp $
-- This implementation use a POSIX interface and should be usable under many
-- systems and is compiler independant.
with Ada.Calendar;
with Ada.Streams;
with Interfaces.C;
with POSIX;
with POSIX.Calendar;
with POSIX.File_Status;
package body AWS.OS_Lib is
---------------------
-- Is_Regular_File --
---------------------
function Is_Regular_File (Filename : in String) return Boolean is
begin
return POSIX.File_Status.Is_Regular_File
(POSIX.File_Status.Get_File_Status (POSIX.To_POSIX_String (Filename)));
exception
when others =>
return False;
end Is_Regular_File;
------------------
-- Is_Directory --
------------------
function Is_Directory (Filename : in String) return Boolean is
begin
return POSIX.File_Status.Is_Directory
(POSIX.File_Status.Get_File_Status (POSIX.To_POSIX_String (Filename)));
exception
when others =>
return False;
end Is_Directory;
---------------
-- File_Size --
---------------
function File_Size (Filename : in String)
return Ada.Streams.Stream_Element_Offset
is
use POSIX.File_Status;
begin
return Ada.Streams.Stream_Element_Offset
((Size_Of (Get_File_Status (POSIX.To_POSIX_String (Filename)))));
exception
when POSIX.POSIX_Error =>
raise No_Such_File;
end File_Size;
--------------------
-- File_Timestamp --
--------------------
function File_Timestamp (Filename : in String)
return Ada.Calendar.Time is
begin
return POSIX.Calendar.To_Time
(POSIX.File_Status.Last_Modification_Time_Of
(POSIX.File_Status.Get_File_Status
(POSIX.To_POSIX_String (Filename))));
exception
when POSIX.POSIX_Error =>
raise No_Such_File;
end File_Timestamp;
---------------
-- GMT_Clock --
---------------
function GMT_Clock return Ada.Calendar.Time is
use Interfaces;
type tm is record
tm_sec : C.int;
tm_min : C.int;
tm_hour : C.int;
tm_mday : C.int;
tm_mon : C.int;
tm_year : C.int;
tm_wday : C.int;
tm_yday : C.int;
tm_isdst : C.int;
end record;
pragma Convention (C, tm);
-- This tm structure is ok for Windows, Linux and Solaris.
type tm_access is access tm;
pragma Convention (C, tm_access);
procedure time (ltime : access C.long);
pragma Import (C, time);
function gmtime (ltime : access C.long) return tm_access;
pragma Import (C, gmtime);
ltime : aliased C.long;
gmt : tm;
use Ada.Calendar;
use type Interfaces.C.int;
begin
time (ltime'Unchecked_Access);
gmt := gmtime (ltime'Unchecked_Access).all;
return Time_Of (Year_Number (1900 + gmt.tm_year),
Month_Number (gmt.tm_mon + 1),
Day_Number (gmt.tm_mday),
Day_Duration (gmt.tm_hour * 3600
+ gmt.tm_min * 60
+ gmt.tm_sec));
end GMT_Clock;
end AWS.OS_Lib;
|