utility.cpp

这些源代码

//
//	utility.cpp -- general purpose routines
//
//	Some utility routines. These should not be a part of a class
//	because they will be needed before the application starts up
//	or they may be called from routines in various classes.
//	Prototype them in PROTO.H
//
#include		"stdafx.h"
#include		"struct.h"
#include		"proto.h"
#include		<direct.h>
#include		<io.h>

bool exist (char *path, int mode)
{
	if (!_access (path, mode))
		return (true);
	return (false);
}

time_t FileTimeToUnixTime (FILETIME *ft)
{
SYSTEMTIME	st;
struct tm	NewTime, *DstTime;
time_t		theTime;

	tzset ();
	FileTimeToSystemTime(ft, &st);
	NewTime.tm_year = st.wYear % 100;
	if (NewTime.tm_year < 70)
		NewTime.tm_year += 100;

	NewTime.tm_mon = st.wMonth - 1;
	NewTime.tm_mday = st.wDay;
	NewTime.tm_hour = st.wHour;
	NewTime.tm_min = st.wMinute;
	NewTime.tm_sec = st.wSecond;
	theTime = mktime (&NewTime);
	theTime -= _timezone;
	DstTime = localtime (&theTime);
	if (DstTime->tm_isdst)
		theTime += 3600;
	return (theTime);
}

bool IsWin95 ()
{
OSVERSIONINFO	vi;

	vi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
	if (!GetVersionEx (&vi))
		return (false);
	return (vi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS);
}

void FormatNumber (CString& strText, ULONG ulSize)
{
	TCHAR szBuf[32];

	strText.Empty();
	memset (szBuf, '\0', sizeof (szBuf));
	sprintf (szBuf + 1, "%ld", ulSize);
	TCHAR *psz = szBuf + strlen (szBuf + 1);
	for (int i = 1; *(psz - 1); ++i, --psz)
	{
		if (!(i%3))
			InsertChar (psz, ',');
	}
	strText = (szBuf + 1);
}

void InsertChar (TCHAR *sz, TCHAR ch)
{
	char *s = sz + strlen (sz);
	while (s > sz)
	{
		*s = *(s-1);
		--s;
	}
	*s = ch;
}