pvjc20/du3/program.c

82 lines
1.8 KiB
C

#define _XOPEN_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
int ValidateTime(int hh , int mm , int ss)
{
int ret=0;
if(hh>24) ret=1;
if(mm>60) ret=1;
if(ss>60) ret=1;
return ret;
}
int main()
{
char dateStr[11];
struct tm t;
int hour = 0, min = 0, secs = 0;
fgets(dateStr, 11, stdin);
sscanf(dateStr , "%d:%d:%d" , &hour,&min,&secs);
if(!ValidateTime(hour,min,secs)){
printf("Nespravny datum\n");
}
char* res = strptime(dateStr, "%d.%m.%Y", &t);
if (res == NULL) {
printf("error: can't parse date!\n");
return 1;
}
t.tm_mday += 7;
t.tm_sec = 0;
t.tm_min = 0;
t.tm_hour = 0;
time_t mid = mktime(&t);
struct tm* t2 = localtime(&mid);
if(t2->tm_mday < 10){
if(t2->tm_mon + 1 < 10){
printf(" %d.0%d.%d\n\n", t2->tm_mday, t2->tm_mon + 1, t2->tm_year + 1900);
} else{
printf(" %d.%d.%d\n\n", t2->tm_mday, t2->tm_mon + 1, t2->tm_year + 1900);
}
} else{
if(t2->tm_mon + 1 < 10){
printf("%d.0%d.%d\n\n", t2->tm_mday, t2->tm_mon + 1, t2->tm_year + 1900);
} else{
printf("%d.%d.%d\n\n", t2->tm_mday, t2->tm_mon + 1, t2->tm_year + 1900);
}
}
return 0;
/*if (time == (time_t)-1) {
printf("fails with error: can't convert date to time!\n");
return 1;
}*/
//t2 = localtime(&sec);
/*time(&timer);
double seconds = difftime(timer,mktime(&t));
printf("%.f", seconds);
return 0;
if(t.tm_mon + 1 < 10){
printf(" %d.0%d.%d\n\n", t.tm_mday, t.tm_mon + 1, t.tm_year + 1900);
} else{
printf(" %d.%d.%d\n\n", t.tm_mday, t.tm_mon + 1, t.tm_year + 1900);
}
exit(EXIT_SUCCESS);
return 0;*/
}