eliminated a lot of hints and warnings

[lcore.git] / btime.pas

diff --git a/btime.pas b/btime.pas
old mode 100755 (executable)
new mode 100644 (file)
index 9bb9550..c130144
--- a/btime.pas
+++ b/btime.pas
@@ -12,6 +12,11 @@ unit btime;
 \r
 interface\r
 \r
+{$ifdef win32}\r
+uses\r
+  ltimevalstuff;\r
+{$endif}  \r
+\r
 type\r
   float=extended;\r
 \r
@@ -48,13 +53,18 @@ function unixtimefloat_systemtime:float;
 \r
 function oletounixfloat(t:float):float;\r
 function oletounix(t:tdatetime):integer;\r
-function unixtoole(i:integer):tdatetime;\r
+function unixtoole(i:float):tdatetime;\r
 \r
 {$ifdef win32}\r
 function mmtimefloat:float;\r
 function qpctimefloat:float;\r
 {$endif}\r
 \r
+{$ifdef win32}\r
+procedure gettimeofday(var tv:ttimeval);\r
+{$endif}\r
+\r
+\r
 const\r
   mmtime_driftavgsize=32;\r
   mmtime_warmupnum=4;\r
@@ -120,7 +130,7 @@ begin
   result := trunc(oletounixfloat(t));\r
 end;\r
 \r
-function unixtoole(i:integer):tdatetime;\r
+function unixtoole(i:float):tdatetime;\r
 begin\r
   result := ((i)/86400)+daysdifference;\r
 end;\r
@@ -169,6 +179,22 @@ end;
 {$else} {delphi 3}\r
 {------------------------------ windows/delphi code to read time}\r
 \r
+\r
+{simulate gettimeofday on windows so one can always use gettimeofday if preferred}\r
+\r
+procedure gettimeofday(var tv:ttimeval);\r
+var\r
+  e:extended;\r
+begin\r
+  e := unixtimefloat;\r
+  tv.tv_sec := round(int(e));\r
+  tv.tv_usec := trunc(frac(e)*1000000);\r
+  {just in case}\r
+  if (tv.tv_usec < 0) then tv.tv_usec := 0;\r
+  if (tv.tv_usec > 999999) then tv.tv_usec := 999999;\r
+end;\r
+\r
+\r
 {\r
 time float: gettickcount\r
 resolution: 9x: ~55 ms NT: 1/64th of a second\r
@@ -200,7 +226,7 @@ var
   f,g:float;\r
   o:tosversioninfo;\r
   isnt:boolean;\r
-  is9x:boolean;\r
+{  is9x:boolean;}\r
 begin\r
   if (performancecountfreq = 0) then qpctimefloat;\r
   ticks_freq_known := false;\r
@@ -213,7 +239,7 @@ begin
   o.dwOSVersionInfoSize := sizeof(o);\r
   getversionex(o);\r
   isnt := o.dwPlatformId = VER_PLATFORM_WIN32_NT;\r
-  is9x := o.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;\r
+{  is9x := o.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;}\r
 \r
   ticks_freq2 := f;\r
   mmtime_synchedqpc := false;\r
@@ -301,14 +327,14 @@ const
   maxretries=5;\r
   margin=0.002;\r
 var\r
-  jump:float;\r
-  mm,f,qpc,newdrift,f1,f2:float;\r
+{  jump:float;}\r
+  mm,f,qpc,newdrift:float;\r
   qpcjumped:boolean;\r
-  a,b,c:integer;\r
-  retrycount:integer;\r
+  a,b:integer;\r
+{  retrycount:integer;}\r
 begin\r
   if not ticks_freq_known then measure_ticks_freq;\r
-  retrycount := maxretries;\r
+{  retrycount := maxretries;}\r
 \r
   qpc := qpctimefloat;\r
   mm := mmtimefloat;\r
@@ -325,7 +351,7 @@ begin
       mmtime_prev_lastsyncqpc := mmtime_lastsyncqpc;\r
 \r
       mm := mmtimefloat;\r
-      dec(retrycount);\r
+    {  dec(retrycount);}\r
       settc;\r
       result := qpctimefloat;\r
       f := mmtimefloat;\r
@@ -356,6 +382,7 @@ begin
 {          mmtime_drift := mmtime_drift + mmtime_driftavg[a];}\r
         end;\r
 {        mmtime_drift := mmtime_drift / b;}\r
+        a := 5;\r
         if (b = 1) then a := 5 else if (b = 2) then a := 15 else if (b = 3) then a := 30 else if (b = 4) then a := 60 else if (b = 5) then a := 120 else if (b >= 5) then a := 120;\r
         mmtime_nextdriftcorrection := qpc + a;\r
         if (b >= 2) then warmup_finished := true;\r
@@ -373,10 +400,10 @@ begin
     qpc := qpctimefloat;\r
 \r
     result := (qpc - mmtime_lastsyncqpc) * mmtime_drift + mmtime_lastsyncmm;\r
-    f := (qpc - mmtime_prev_lastsyncqpc) * mmtime_prev_drift + mmtime_prev_lastsyncmm;\r
 \r
+    {f := (qpc - mmtime_prev_lastsyncqpc) * mmtime_prev_drift + mmtime_prev_lastsyncmm;\r
     jump := result-f;\r
-    {writeln('jump ',formatfloat('0.000000',jump),'   drift ',formatfloat('0.00000000',mmtime_drift),' duration ',formatfloat('0.000',(mmtime_lastsyncqpc-mmtime_prev_lastsyncqpc)),' ',formatfloat('0.00000000',jump/(mmtime_lastsyncqpc-mmtime_prev_lastsyncqpc)));}\r
+    writeln('jump ',formatfloat('0.000000',jump),'   drift ',formatfloat('0.00000000',mmtime_drift),' duration ',formatfloat('0.000',(mmtime_lastsyncqpc-mmtime_prev_lastsyncqpc)),' ',formatfloat('0.00000000',jump/(mmtime_lastsyncqpc-mmtime_prev_lastsyncqpc)));}\r
 \r
     f := result;\r
   end;\r