Save Log to File
*******************************************************************/
bool log_save ( char *log_file, char *ErrMsg)
{
FILE *p;
p = fopen(log_file, "wb");
if ( p == NULL ) return false;
fprintf(p, "[Err]: %s\n", ErrMsg); /* Write ErrMsg to File. */
fclose(p);
return true;
}
/*******************************************************************
* Is Leap Year
*******************************************************************/
bool is_leap_year ( int year )
{
return ( ((year%100==0) && (year%400==0)) || ((year%100!=0) && (year%4==0)) );
}
/*******************************************************************
* Which Day with Year+Mon+day Specified
*******************************************************************/
int which_day (int year, int mon, int day)
{
static int mdays[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30 };
int i, days = day;
for (i=0; i {
days += mdays[i];
}
if (mon>2)
{
if ( is_leap_year(year) ) ++days;
}
return days;
}
/*******************************************************************
* Check CPU endian type
*******************************************************************/
bool is_little_endian( void )
{
union w{
int a;
char b;
} c;
c.a = 1;
return ( c.b == 1 );
}
#endif /* __tsdk_h__ */
摘自 tody_guo的专栏
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