xref: /aoo42x/main/sal/osl/w32/time.c (revision cdf0e10c)
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27 
28 #include "system.h"
29 
30 #include <osl/diagnose.h>
31 #include <osl/time.h>
32 #include <sys/timeb.h>
33 
34 extern sal_Bool TimeValueToFileTime(const TimeValue *cpTimeVal, FILETIME *pFTime);
35 
36 extern BOOL FileTimeToTimeValue( const FILETIME *cpFTime, TimeValue *pTimeVal );
37 
38 //--------------------------------------------------
39 // osl_getSystemTime
40 //--------------------------------------------------
41 
42 sal_Bool SAL_CALL osl_getSystemTime(TimeValue* pTimeVal)
43 {
44 	SYSTEMTIME SystemTime;
45 	FILETIME   CurTime, OffTime;
46 	__int64	   Value;
47 
48 	OSL_ASSERT(pTimeVal != 0);
49 
50 	GetSystemTime(&SystemTime);
51 	SystemTimeToFileTime(&SystemTime, &CurTime);
52 
53 	SystemTime.wYear         = 1970;
54 	SystemTime.wMonth        = 1;
55     SystemTime.wDayOfWeek    = 0;
56     SystemTime.wDay          = 1;
57     SystemTime.wHour         = 0;
58     SystemTime.wMinute       = 0;
59     SystemTime.wSecond       = 0;
60     SystemTime.wMilliseconds = 0;
61 
62 	SystemTimeToFileTime(&SystemTime, &OffTime);
63 
64 	Value = *((__int64 *)&CurTime) - *((__int64 *)&OffTime);
65 
66 	pTimeVal->Seconds  = (unsigned long) (Value / 10000000L);
67 	pTimeVal->Nanosec  = (unsigned long)((Value % 10000000L) * 100);
68 
69 	return (sal_True);
70 }
71 
72 //--------------------------------------------------
73 // osl_getDateTimeFromTimeValue
74 //--------------------------------------------------
75 
76 sal_Bool SAL_CALL osl_getDateTimeFromTimeValue( TimeValue* pTimeVal, oslDateTime* pDateTime )
77 {
78 	FILETIME	aFileTime;
79 	SYSTEMTIME	aSystemTime;
80 
81 	if ( TimeValueToFileTime(pTimeVal, &aFileTime) )
82 	{
83 		if ( FileTimeToSystemTime( &aFileTime, &aSystemTime ) )
84 		{
85 			pDateTime->NanoSeconds	=	pTimeVal->Nanosec;
86 
87 			pDateTime->Seconds		=	aSystemTime.wSecond;
88 			pDateTime->Minutes		=	aSystemTime.wMinute;
89 			pDateTime->Hours		=	aSystemTime.wHour;
90 			pDateTime->Day			=	aSystemTime.wDay;
91 			pDateTime->DayOfWeek	=	aSystemTime.wDayOfWeek;
92 			pDateTime->Month		=	aSystemTime.wMonth;
93 			pDateTime->Year			=	aSystemTime.wYear;
94 
95 			return sal_True;
96 		}
97 	}
98 
99 	return sal_False;
100 }
101 
102 //--------------------------------------------------
103 // osl_getTimeValueFromDateTime
104 //--------------------------------------------------
105 
106 sal_Bool SAL_CALL osl_getTimeValueFromDateTime( oslDateTime* pDateTime, TimeValue* pTimeVal )
107 {
108 	FILETIME	aFileTime;
109 	SYSTEMTIME	aSystemTime;
110 
111 	aSystemTime.wMilliseconds	=	0;
112 	aSystemTime.wSecond			=	pDateTime->Seconds;
113 	aSystemTime.wMinute			=	pDateTime->Minutes;
114 	aSystemTime.wHour			=	pDateTime->Hours;
115 	aSystemTime.wDay			=	pDateTime->Day;
116 	aSystemTime.wDayOfWeek		=	pDateTime->DayOfWeek;
117 	aSystemTime.wMonth			=	pDateTime->Month;
118 	aSystemTime.wYear			=	pDateTime->Year;
119 
120 	if ( SystemTimeToFileTime( &aSystemTime, &aFileTime ) )
121 	{
122 		if (FileTimeToTimeValue( &aFileTime, pTimeVal  ) )
123 		{
124 			pTimeVal->Nanosec = pDateTime->NanoSeconds;
125 			return sal_True;
126 		}
127 	}
128 
129 	return sal_False;
130 }
131 
132 
133 //--------------------------------------------------
134 // osl_getLocalTimeFromSystemTime
135 //--------------------------------------------------
136 
137 sal_Bool SAL_CALL osl_getLocalTimeFromSystemTime( TimeValue* pSystemTimeVal, TimeValue* pLocalTimeVal )
138 {
139 	TIME_ZONE_INFORMATION aTimeZoneInformation;
140 	DWORD Success;
141 	sal_Int64	bias;
142 
143 	// get timezone information
144 	if ( ( Success=GetTimeZoneInformation( &aTimeZoneInformation ) ) != TIME_ZONE_ID_INVALID)
145 	{
146 		bias=aTimeZoneInformation.Bias;
147 
148 		// add bias for daylight saving time
149 		if ( Success== TIME_ZONE_ID_DAYLIGHT )
150 			bias+=aTimeZoneInformation.DaylightBias;
151 
152 		if ( (sal_Int64) pSystemTimeVal->Seconds > ( bias * 60 ) )
153 		{
154 			pLocalTimeVal->Seconds = (sal_uInt32) (pSystemTimeVal->Seconds - ( bias * 60) );
155 			pLocalTimeVal->Nanosec = pSystemTimeVal->Nanosec;
156 
157 			return sal_True;
158 		}
159 	}
160 
161 	return sal_False;
162 }
163 
164 //--------------------------------------------------
165 // osl_getSystemTimeFromLocalTime
166 //--------------------------------------------------
167 
168 sal_Bool SAL_CALL osl_getSystemTimeFromLocalTime( TimeValue* pLocalTimeVal, TimeValue* pSystemTimeVal )
169 {
170 	TIME_ZONE_INFORMATION aTimeZoneInformation;
171 	DWORD Success;
172 	sal_Int64	bias;
173 
174 	// get timezone information
175 	if ( ( Success=GetTimeZoneInformation( &aTimeZoneInformation ) ) != TIME_ZONE_ID_INVALID)
176 	{
177 		bias=aTimeZoneInformation.Bias;
178 
179 		// add bias for daylight saving time
180 		if ( Success== TIME_ZONE_ID_DAYLIGHT )
181 			bias+=aTimeZoneInformation.DaylightBias;
182 
183 		if ( (sal_Int64) pLocalTimeVal->Seconds + ( bias * 60 ) > 0 )
184 		{
185 			pSystemTimeVal->Seconds = (sal_uInt32) ( pLocalTimeVal->Seconds + ( bias * 60) );
186 			pSystemTimeVal->Nanosec = pLocalTimeVal->Nanosec;
187 
188 			return sal_True;
189 		}
190 	}
191 
192 	return sal_False;
193 }
194 
195 
196 static struct _timeb startTime;
197 static sal_Bool bGlobalTimer = sal_False;
198 
199 sal_uInt32 SAL_CALL osl_getGlobalTimer(void)
200 {
201   struct _timeb currentTime;
202   sal_uInt32 nSeconds;
203 
204   if ( bGlobalTimer == sal_False )
205   {
206       _ftime( &startTime );
207       bGlobalTimer=sal_True;
208   }
209 
210   _ftime( &currentTime );
211 
212   nSeconds = (sal_uInt32)( currentTime.time - startTime.time );
213 
214   return ( nSeconds * 1000 ) + (long)( currentTime.millitm - startTime.millitm );
215 }
216 
217