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authorBjörn Persson <bjorn@rombobjörn.se>2013-01-22 01:09:00 +0100
committerBjörn Persson <bjorn@rombobjörn.se>2013-01-22 01:09:00 +0100
commit8d23905093ecf9f9e008c189b51714b5a8c2ca08 (patch)
tree6312f9a752babf135261b8cca4cc125c91a87791
parentb72ba12362369ec729742e84c6ac89e1af497dc3 (diff)
minor reformatting and two comments
-rw-r--r--system_log.adb28
1 files changed, 23 insertions, 5 deletions
diff --git a/system_log.adb b/system_log.adb
index 71da109..b9d5d4e 100644
--- a/system_log.adb
+++ b/system_log.adb
@@ -1,5 +1,5 @@
-- System_Log, a binding to the Unix syslog functions
--- Copyright 2009 B. Persson, Bjorn@Rombobeorn.se
+-- Copyright 2009 - 2013 B. Persson, Bjorn@Rombobeorn.se
--
-- This library is free software: you can redistribute it and/or modify it
-- under the terms of the GNU General Public License version 3, as published
@@ -11,6 +11,7 @@ with Ada.Unchecked_Conversion;
package body System_Log is
+
Facility_Numbers : constant array(Log_Facility) of int :=
(Kernel => 0 * 8, -- LOG_KERN
User => 1 * 8, -- LOG_USER
@@ -43,6 +44,9 @@ package body System_Log is
Debug => 7); -- LOG_DEBUG
Name_Storage : chars_ptr := Null_Ptr;
+ -- The name that is passed to Open_Log is saved in Name_Storage because the
+ -- C library doesn't save it.
+
procedure Open_Log(Source_Name : in String;
Facility : in Log_Facility;
@@ -55,10 +59,12 @@ package body System_Log is
LOG_CONS : constant := 2; -- log on the console if errors in sending
LOG_NDELAY : constant := 8; -- don't delay open
LOG_PERROR : constant := 32; -- log to stderr as well
+
procedure openlog(ident : in chars_ptr;
option : in int;
facility : in int);
- pragma import(C, openlog, "openlog");
+ pragma Import(C, openlog, "openlog");
+
Options : int := 0;
begin
Name_Storage := New_String(Source_Name);
@@ -77,17 +83,20 @@ package body System_Log is
openlog(Name_Storage, Options, Facility_Numbers(Facility));
end Open_Log;
+
procedure Set_Log_Levels(New_Levels : in Log_Levels) is
Dummy : Log_Levels;
begin
Set_Log_Levels(New_Levels, Dummy);
end Set_Log_Levels;
+
procedure Set_Log_Levels(New_Levels : in Log_Levels;
Old_Levels : out Log_Levels)
is
function setlogmask(mask : int) return int;
- pragma import(C, setlogmask, "setlogmask");
+ pragma Import(C, setlogmask, "setlogmask");
+
Bits : constant := Log_Level'Pos(Log_Level'Last) + 1;
type Mask is range 0 .. 2 ** Bits - 1;
for Mask'Size use Bits;
@@ -96,9 +105,12 @@ package body System_Log is
function To_Levels is new Ada.Unchecked_Conversion(Source => Mask,
Target => Log_Levels);
begin
+ -- Convert the input array of Boolean to a number, pass that to
+ -- setlogmask, and convert the output in the other direction.
Old_Levels := To_Levels(Mask(setlogmask(int(To_Mask(New_Levels)))));
end Set_Log_Levels;
+
procedure Set_Log_Threshold(Threshold : in Log_Level) is
Levels : Log_Levels := (others => False);
begin
@@ -106,18 +118,22 @@ package body System_Log is
Set_Log_Levels(Levels);
end Set_Log_Threshold;
+
procedure syslog(priority : in int;
format : in char_array;
message : in char_array);
- pragma import(C, syslog, "syslog");
+ pragma Import(C, syslog, "syslog");
+
Simple_Format : constant char_array := To_C("%s");
+
procedure Log(Level : in Log_Level; Message : in String) is
begin
syslog(Level_Numbers(Level), Simple_Format, To_C(Message));
end Log;
+
procedure Log(Facility : in Log_Facility;
Level : in Log_Level;
Message : in String)
@@ -127,12 +143,14 @@ package body System_Log is
Simple_Format, To_C(Message));
end Log;
+
procedure Close_Log is
procedure closelog;
- pragma import(C, closelog, "closelog");
+ pragma Import(C, closelog, "closelog");
begin
closelog;
Free(Name_Storage);
end Close_Log;
+
end System_Log;