/* * Win32 kernel functions * * Copyright 1995 Martin von Loewis and Cameron Heide */ #include #include #include #include #include #include "file.h" #include "ntddk.h" #include "winerror.h" #include "winnls.h" #include "wine/unicode.h" #include "debugtools.h" DEFAULT_DEBUG_CHANNEL(win32); /* maximum time adjustment in seconds for SetLocalTime and SetSystemTime */ #define SETTIME_MAX_ADJUST 120 /* This structure is used to store strings that represent all of the time zones in the world. (This is used to help GetTimeZoneInformation) */ struct tagTZ_INFO { const char *psTZFromUnix; WCHAR psTZWindows[32]; int bias; int dst; }; static const struct tagTZ_INFO TZ_INFO[] = { {"MHT", {'D','a','t','e','l','i','n','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -720, 0}, {"SST", {'S','a','m','o','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 660, 0}, {"HST", {'H','a','w','a','i','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 600, 0}, {"AKDT", {'A','l','a','s','k','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 480, 1}, {"PDT", {'P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 420, 1}, {"MST", {'U','S',' ','M','o','u','n','t','a','i','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 420, 0}, {"MDT", {'M','o','u','n','t','a','i','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 360, 1}, {"CST", {'C','e','n','t','r','a','l',' ','A','m','e','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 360, 0}, {"CDT", {'C','e','n','t','r','a','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 300, 1}, {"COT", {'S','A',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 300, 0}, {"EDT", {'E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 240, 1}, {"EST", {'U','S',' ','E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 300, 0}, {"ADT", {'A','t','l','a','n','t','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 180, 1}, {"VET", {'S','A',' ','W','e','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 240, 0}, {"CLT", {'P','a','c','i','f','i','c',' ','S','A',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 240, 0}, {"NDT", {'N','e','w','f','o','u','n','d','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 150, 1}, {"BRT", {'E','.',' ','S','o','u','t','h',' ','A','m','e','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 180, 0}, {"ART", {'S','A',' ','E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 180, 0}, {"WGST", {'G','r','e','e','n','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 120, 1}, {"GST", {'M','i','d','-','A','t','l','a','n','t','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 120, 0}, {"AZOST", {'A','z','o','r','e','s',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 0, 1}, {"CVT", {'C','a','p','e',' ','V','e','r','d','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 60, 0}, {"WET", {'G','r','e','e','n','w','i','c','h',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 0, 0}, {"BST", {'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -60, 1}, {"GMT", {'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, 0, 0}, {"CEST", {'C','e','n','t','r','a','l',' ','E','u','r','o','p','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -120, 1}, {"WAT", {'W','.',' ','C','e','n','t','r','a','l',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -60, 0}, {"EEST", {'E','.',' ','E','u','r','o','p','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -180, 1}, {"EET", {'E','g','y','p','t',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -120, 0}, {"CAT", {'S','o','u','t','h',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -120, 0}, {"IST", {'I','s','r','a','e','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -120, 0}, {"ADT", {'A','r','a','b','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -240, 1}, {"AST", {'A','r','a','b',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -180, 0}, {"MSD", {'R','u','s','s','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -240, 1}, {"EAT", {'E','.',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -180, 0}, {"IRST", {'I','r','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -270, 1}, {"GST", {'A','r','a','b','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -240, 0}, {"AZST", {'C','a','u','c','a','s','u','s',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -300, 1}, {"AFT", {'A','f','g','h','a','n','i','s','t','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -270, 0}, {"YEKST", {'E','k','a','t','e','r','i','n','b','u','r','g',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -360, 1}, {"PKT", {'W','e','s','t',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -300, 0}, {"IST", {'I','n','d','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -330, 0}, {"NPT", {'N','e','p','a','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -345, 0}, {"ALMST", {'N','.',' ','C','e','n','t','r','a','l',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -420, 1}, {"BDT", {'C','e','n','t','r','a','l',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -360, 0}, {"LKT", {'S','r','i',' ','L','a','n','k','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -360, 0}, {"MMT", {'M','y','a','n','m','a','r',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -390, 0}, {"ICT", {'S','E',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -420, 0}, {"KRAST", {'N','o','r','t','h',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -480, 1}, {"CST", {'C','h','i','n','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -480, 0}, {"IRKST", {'N','o','r','t','h',' ','A','s','i','a',' ','E','a','s','t',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -540, 1}, {"SGT", {'M','a','l','a','y',' ','P','e','n','i','n','s','u','l','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -480, 0}, {"WST", {'W','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -480, 0}, {"JST", {'T','o','k','y','o',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -540, 0}, {"KST", {'K','o','r','e','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -540, 0}, {"YAKST", {'Y','a','k','u','t','s','k',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -600, 1}, {"CST", {'C','e','n','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -570, 0}, {"EST", {'E','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -600, 0}, {"GST", {'W','e','s','t',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -600, 0}, {"VLAST", {'V','l','a','d','i','v','o','s','t','o','k',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -660, 1}, {"MAGST", {'C','e','n','t','r','a','l',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -720, 1}, {"NZST", {'N','e','w',' ','Z','e','a','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -720, 0}, {"FJT", {'F','i','j','i',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -720, 0}, {"TOT", {'T','o','n','g','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'}, -780, 0} }; /* TIME_GetTZAsStr: helper function that returns the given timezone as a string. This could be done with a hash table instead of merely iterating through a table, however with the small amount of entries (60 or so) I didn't think it was worth it. */ static const WCHAR* TIME_GetTZAsStr (time_t utc, int bias, int dst) { char psTZName[7]; struct tm *ptm = localtime(&utc); int i; if (!strftime (psTZName, 7, "%Z", ptm)) return (NULL); for (i=0; i<(sizeof(TZ_INFO) / sizeof(struct tagTZ_INFO)); i++) { if ( strcmp(TZ_INFO[i].psTZFromUnix, psTZName) == 0 && TZ_INFO[i].bias == bias && TZ_INFO[i].dst == dst ) return TZ_INFO[i].psTZWindows; } return (NULL); } /* TIME_GetBias: helper function calculates delta local time from UTC */ static int TIME_GetBias( time_t utc, int *pdaylight) { struct tm *ptm = localtime(&utc); *pdaylight = ptm->tm_isdst; /* daylight for local timezone */ ptm = gmtime(&utc); ptm->tm_isdst = *pdaylight; /* use local daylight, not that of Greenwich */ return (int)(utc-mktime(ptm)); } /*********************************************************************** * SetLocalTime (KERNEL32.@) * * Sets the local time using current time zone and daylight * savings settings. * * RETURNS * * True if the time was set, false if the time was invalid or the * necessary permissions were not held. */ BOOL WINAPI SetLocalTime( const SYSTEMTIME *systime) /* [in] The desired local time. */ { struct timeval tv; struct tm t; time_t sec; time_t oldsec=time(NULL); int err; /* get the number of seconds */ t.tm_sec = systime->wSecond; t.tm_min = systime->wMinute; t.tm_hour = systime->wHour; t.tm_mday = systime->wDay; t.tm_mon = systime->wMonth - 1; t.tm_year = systime->wYear - 1900; t.tm_isdst = -1; sec = mktime (&t); /* set the new time */ tv.tv_sec = sec; tv.tv_usec = systime->wMilliseconds * 1000; /* error and sanity check*/ if( sec == (time_t)-1 || abs((int)(sec-oldsec)) > SETTIME_MAX_ADJUST ){ err = 1; SetLastError(ERROR_INVALID_PARAMETER); } else { err=settimeofday(&tv, NULL); /* 0 is OK, -1 is error */ if(err == 0) return TRUE; SetLastError(ERROR_PRIVILEGE_NOT_HELD); } ERR("Cannot set time to %d/%d/%d %d:%d:%d Time adjustment %ld %s\n", systime->wYear, systime->wMonth, systime->wDay, systime->wHour, systime->wMinute, systime->wSecond, sec-oldsec, err == -1 ? "No Permission" : sec==(time_t)-1 ? "" : "is too large." ); return FALSE; } /*********************************************************************** * GetSystemTimeAdjustment (KERNEL32.@) * * Indicates the period between clock interrupt and the amount the clock * is adjusted each interrupt so as to keep it insync with an external source. * * RETURNS * * Always returns true. * * BUGS * * Only the special case of disabled time adjustments is supported. * (also the signature is wrong it should have a return type of BOOL) */ DWORD WINAPI GetSystemTimeAdjustment( LPDWORD lpTimeAdjustment, /* [out] The clock adjustment per interupt in 100's of nanoseconds. */ LPDWORD lpTimeIncrement, /* [out] The time between clock interupts in 100's of nanoseconds. */ LPBOOL lpTimeAdjustmentDisabled) /* [out] The clock synchonisation has been disabled. */ { *lpTimeAdjustment = 0; *lpTimeIncrement = 0; *lpTimeAdjustmentDisabled = TRUE; return TRUE; } /*********************************************************************** * SetSystemTime (KERNEL32.@) * * Sets the system time (utc). * * RETURNS * * True if the time was set, false if the time was invalid or the * necessary permissions were not held. */ BOOL WINAPI SetSystemTime( const SYSTEMTIME *systime) /* [in] The desired system time. */ { struct timeval tv; struct timezone tz; struct tm t; time_t sec, oldsec; int dst, bias; int err; /* call gettimeofday to get the current timezone */ gettimeofday(&tv, &tz); oldsec=tv.tv_sec; /* get delta local time from utc */ bias=TIME_GetBias(oldsec,&dst); /* get the number of seconds */ t.tm_sec = systime->wSecond; t.tm_min = systime->wMinute; t.tm_hour = systime->wHour; t.tm_mday = systime->wDay; t.tm_mon = systime->wMonth - 1; t.tm_year = systime->wYear - 1900; t.tm_isdst = dst; sec = mktime (&t); /* correct for timezone and daylight */ sec += bias; /* set the new time */ tv.tv_sec = sec; tv.tv_usec = systime->wMilliseconds * 1000; /* error and sanity check*/ if( sec == (time_t)-1 || abs((int)(sec-oldsec)) > SETTIME_MAX_ADJUST ){ err = 1; SetLastError(ERROR_INVALID_PARAMETER); } else { err=settimeofday(&tv, NULL); /* 0 is OK, -1 is error */ if(err == 0) return TRUE; SetLastError(ERROR_PRIVILEGE_NOT_HELD); } ERR("Cannot set time to %d/%d/%d %d:%d:%d Time adjustment %ld %s\n", systime->wYear, systime->wMonth, systime->wDay, systime->wHour, systime->wMinute, systime->wSecond, sec-oldsec, err == -1 ? "No Permission" : sec==(time_t)-1 ? "" : "is too large." ); return FALSE; } /*********************************************************************** * GetTimeZoneInformation (KERNEL32.@) * * Fills in the a time zone information structure with values based on * the current local time. * * RETURNS * * The daylight savings time standard or TIME_ZONE_ID_INVALID if the call failed. */ DWORD WINAPI GetTimeZoneInformation( LPTIME_ZONE_INFORMATION tzinfo) /* [out] The time zone structure to be filled in. */ { time_t gmt; int bias, daylight; const WCHAR *psTZ; memset(tzinfo, 0, sizeof(TIME_ZONE_INFORMATION)); gmt = time(NULL); bias=TIME_GetBias(gmt,&daylight); tzinfo->Bias = -bias / 60; tzinfo->StandardBias = 0; tzinfo->DaylightBias = -60; psTZ = TIME_GetTZAsStr (gmt, (-bias/60), daylight); if (psTZ) strcpyW( tzinfo->StandardName, psTZ ); return TIME_ZONE_ID_STANDARD; } /*********************************************************************** * SetTimeZoneInformation (KERNEL32.@) * * Set the local time zone with values based on the time zone structure. * * RETURNS * * True on successful setting of the time zone. * * BUGS * * Use the obsolete unix timezone structure and tz_dsttime member. */ BOOL WINAPI SetTimeZoneInformation( const LPTIME_ZONE_INFORMATION tzinfo) /* [in] The new time zone. */ { struct timezone tz; tz.tz_minuteswest = tzinfo->Bias; #ifdef DST_NONE tz.tz_dsttime = DST_NONE; #else tz.tz_dsttime = 0; #endif return !settimeofday(NULL, &tz); } /*********************************************************************** * SystemTimeToTzSpecificLocalTime (KERNEL32.@) * * Converts the system time (utc) to the local time in the specified time zone. * * RETURNS * * Returns true when the local time was calculated. * * BUGS * * Does not handle daylight savings time adjustments correctly. */ BOOL WINAPI SystemTimeToTzSpecificLocalTime( LPTIME_ZONE_INFORMATION lpTimeZoneInformation, /* [in] The desired time zone. */ LPSYSTEMTIME lpUniversalTime, /* [in] The utc time to base local time on. */ LPSYSTEMTIME lpLocalTime) /* [out] The local time in the time zone. */ { FIXME(":stub\n"); SetLastError(ERROR_CALL_NOT_IMPLEMENTED); return FALSE; } /*********************************************************************** * GetSystemTimeAsFileTime (KERNEL32.@) * * Fills in a file time structure with the current time in UTC format. */ VOID WINAPI GetSystemTimeAsFileTime( LPFILETIME time) /* [out] The file time struct to be filled with the system time. */ { NtQuerySystemTime( (LARGE_INTEGER *)time ); } /********************************************************************* * TIME_ClockTimeToFileTime (olorin@fandra.org, 20-Sep-1998) * * Used by GetProcessTimes to convert clock_t into FILETIME. * * Differences to UnixTimeToFileTime: * 1) Divided by CLK_TCK * 2) Time is relative. There is no 'starting date', so there is * no need in offset correction, like in UnixTimeToFileTime */ static void TIME_ClockTimeToFileTime(clock_t unix_time, LPFILETIME filetime) { LONGLONG secs = RtlEnlargedUnsignedMultiply( unix_time, 10000000 ); ((LARGE_INTEGER *)filetime)->QuadPart = RtlExtendedLargeIntegerDivide( secs, CLK_TCK, NULL ); } /********************************************************************* * GetProcessTimes (KERNEL32.@) * * Returns the user and kernel execution times of a process, * along with the creation and exit times if known. * * olorin@fandra.org: * Would be nice to subtract the cpu time, used by Wine at startup. * Also, there is a need to separate times used by different applications. * * RETURNS * * Always returns true. * * BUGS * * lpCreationTime, lpExitTime are NOT INITIALIZED. */ BOOL WINAPI GetProcessTimes( HANDLE hprocess, /* [in] The process to be queried (obtained from PROCESS_QUERY_INFORMATION). */ LPFILETIME lpCreationTime, /* [out] The creation time of the process. */ LPFILETIME lpExitTime, /* [out] The exit time of the process if exited. */ LPFILETIME lpKernelTime, /* [out] The time spent in kernal routines in 100's of nanoseconds. */ LPFILETIME lpUserTime) /* [out] The time spent in user routines in 100's of nanoseconds. */ { struct tms tms; times(&tms); TIME_ClockTimeToFileTime(tms.tms_utime,lpUserTime); TIME_ClockTimeToFileTime(tms.tms_stime,lpKernelTime); return TRUE; } /********************************************************************* * GetCalendarInfoA (KERNEL32) * */ int WINAPI GetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType, LPSTR lpCalData, int cchData, LPDWORD lpValue) { FIXME("(%08lx,%08lx,%08lx,%p,%d,%p): stub\n", Locale, Calendar, CalType, lpCalData, cchData, lpValue); return 0; } /********************************************************************* * GetCalendarInfoW (KERNEL32) * */ int WINAPI GetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType, LPWSTR lpCalData, int cchData, LPDWORD lpValue) { FIXME("(%08lx,%08lx,%08lx,%p,%d,%p): stub\n", Locale, Calendar, CalType, lpCalData, cchData, lpValue); return 0; } /********************************************************************* * SetCalendarInfoA (KERNEL32) * */ int WINAPI SetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType, LPCSTR lpCalData) { FIXME("(%08lx,%08lx,%08lx,%s): stub\n", Locale, Calendar, CalType, debugstr_a(lpCalData)); return 0; } /********************************************************************* * SetCalendarInfoW (KERNEL32) * */ int WINAPI SetCalendarInfoW(LCID Locale, CALID Calendar, CALTYPE CalType, LPCWSTR lpCalData) { FIXME("(%08lx,%08lx,%08lx,%s): stub\n", Locale, Calendar, CalType, debugstr_w(lpCalData)); return 0; }