You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
770 B
C
32 lines
770 B
C
10 years ago
|
#include "fmt.h"
|
||
|
|
#include "byte.h"
|
||
|
|
#include <time.h>
|
||
|
|
|
||
|
|
static unsigned int fmt_2digits(char* dest,int i) {
|
||
|
|
dest[0]=(char)((i/10)+'0');
|
||
|
|
dest[1]=(char)((i%10)+'0');
|
||
|
|
return 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t fmt_iso8601(char* dest,time_t t) {
|
||
|
|
struct tm* x=gmtime(&t);
|
||
|
|
size_t i;
|
||
|
|
|
||
|
|
if (dest==0) return sizeof("2014-05-27T19:22:16Z")-1;
|
||
|
|
/* "2014-05-27T19:22:16Z" */
|
||
|
|
i=fmt_2digits(dest,(x->tm_year+1900)/100);
|
||
|
|
i+=fmt_2digits(dest+i,(x->tm_year+1900)%100);
|
||
|
|
dest[i++]='-';
|
||
|
|
i+=fmt_2digits(dest+i,x->tm_mon+1);
|
||
|
|
dest[i++]='-';
|
||
|
|
i+=fmt_2digits(dest+i,x->tm_mday);
|
||
|
|
dest[i++]='T';
|
||
|
|
i+=fmt_2digits(dest+i,x->tm_hour);
|
||
|
|
i+=fmt_str(dest+i,":");
|
||
|
|
i+=fmt_2digits(dest+i,x->tm_min);
|
||
|
|
i+=fmt_str(dest+i,":");
|
||
|
|
i+=fmt_2digits(dest+i,x->tm_sec);
|
||
|
|
i+=fmt_str(dest+i,"Z");
|
||
|
|
return i;
|
||
|
|
}
|