ReactOS  0.4.13-dev-73-gcfe54aa
systime.c File Reference
#include <precomp.h>
Include dependency graph for systime.c:

Go to the source code of this file.

Functions

unsigned int _getsystime (struct tm *tp)
 
unsigned int _setsystime (struct tm *tp, unsigned int ms)
 

Variables

int month [12] = { 31,28,31,30,31,30,31,31,30,31,30,31}
 

Function Documentation

◆ _getsystime()

unsigned int _getsystime ( struct tm tp)

Definition at line 18 of file systime.c.

19 {
21  int i;
22  DWORD TimeZoneId;
23  TIME_ZONE_INFORMATION TimeZoneInformation;
24 
26 
27  tp->tm_year = Time.wYear - 1900;
28  tp->tm_mon = Time.wMonth - 1;
29  tp->tm_wday = Time.wDayOfWeek;
30  tp->tm_mday = Time.wDay;
31  tp->tm_hour = Time.wHour;
32  tp->tm_min = Time.wMinute;
33  tp->tm_sec = Time.wSecond;
34 
35  tp->tm_isdst = -1;
36 
37  TimeZoneId = GetTimeZoneInformation(&TimeZoneInformation);
38  if (TimeZoneId == TIME_ZONE_ID_DAYLIGHT){
39  tp->tm_isdst = 1;
40  }
41  else
42  tp->tm_isdst = 0;
43 
44  if (tp->tm_year % 4 == 0) {
45  if (tp->tm_year % 100 != 0)
46  tp->tm_yday = 1;
47  else if ((tp->tm_year-100) % 1000 == 0)
48  tp->tm_yday = 1;
49  }
50 
51  for (i = 0; i <= tp->tm_mon; i++)
52  tp->tm_yday += month[i];
53 
54  return Time.wMilliseconds;
55 }
DWORD WINAPI GetTimeZoneInformation(LPTIME_ZONE_INFORMATION lpTimeZoneInformation)
Definition: timezone.c:262
_In_ UINT64 _In_ UINT64 _In_ UINT64 _In_opt_ traverse_ptr * tp
Definition: btrfs.c:2645
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
VOID WINAPI GetLocalTime(OUT LPSYSTEMTIME lpSystemTime)
Definition: time.c:276
unsigned long DWORD
Definition: ntddk_ex.h:95
int month[12]
Definition: systime.c:13
#define TIME_ZONE_ID_DAYLIGHT
Definition: rtltypes.h:252
static PLARGE_INTEGER Time
Definition: time.c:105

◆ _setsystime()

unsigned int _setsystime ( struct tm tp,
unsigned int  ms 
)

Definition at line 61 of file systime.c.

62 {
64 
65  Time.wYear = tp->tm_year + 1900;
66  Time.wMonth = tp->tm_mon + 1;
67  Time.wDayOfWeek = tp->tm_wday;
68  Time.wDay = tp->tm_mday;
69  Time.wHour = tp->tm_hour;
70  Time.wMinute = tp->tm_min;
71  Time.wSecond = tp->tm_sec;
72  Time.wMilliseconds = ms;
73 
74  if (!SetLocalTime(&Time))
75  return -1;
76 
77  return 0;
78 }
_In_ UINT64 _In_ UINT64 _In_ UINT64 _In_opt_ traverse_ptr * tp
Definition: btrfs.c:2645
BOOL WINAPI SetLocalTime(IN CONST SYSTEMTIME *lpSystemTime)
Definition: time.c:346
static PLARGE_INTEGER Time
Definition: time.c:105

Variable Documentation

◆ month