| #define _XOPEN_SOURCE 700 |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <time.h> |
| #include "test.h" |
| |
| |
| |
| |
| int tm_cmp(struct tm tm1, struct tm tm2) |
| { |
| return tm1.tm_sec != tm2.tm_sec || |
| tm1.tm_min != tm2.tm_min || |
| tm1.tm_hour != tm2.tm_hour || |
| tm1.tm_mday != tm2.tm_mday || |
| tm1.tm_mon != tm2.tm_mon || |
| tm1.tm_year != tm2.tm_year || |
| tm1.tm_wday != tm2.tm_wday || |
| tm1.tm_yday != tm2.tm_yday || |
| tm1.tm_isdst!= tm2.tm_isdst; |
| } |
| |
| char *tm_str(struct tm tm) |
| { |
| static int i; |
| static char b[4][64]; |
| i = (i+1)%4; |
| snprintf(b[i], sizeof b[i], |
| "s=%02d m=%02d h=%02d mday=%02d mon=%02d year=%04d wday=%d yday=%d isdst=%d", |
| tm.tm_sec, tm.tm_min, tm.tm_hour, |
| tm.tm_mday, tm.tm_mon, tm.tm_year, |
| tm.tm_wday, tm.tm_yday, tm.tm_isdst); |
| return b[i]; |
| } |
| |
| #define TM(ss,mm,hh,md,mo,yr,wd,yd,dst) (struct tm){ \ |
| .tm_sec = ss, .tm_min = mm, .tm_hour = hh, \ |
| .tm_mday = md, .tm_mon = mo, .tm_year = yr, \ |
| .tm_wday = wd, .tm_yday = yd, .tm_isdst = dst } |
| |
| #define TM_EPOCH TM(0,0,0,1,0,70,4,0,0) |
| #define TM_Y2038_1S TM(7,14,3,19,0,138,2,18,0) |
| #define TM_Y2038 TM(8,14,3,19,0,138,2,18,0) |
| |
| #define TEST_TM(r,x,m) (!tm_cmp((r),(x)) || \ |
| (error("%s failed:\n\tresult: %s\n\texpect: %s\n", \ |
| m, tm_str(r), tm_str(x)), 0) ) |
| |
| #define TEST(r, f, x, m) ( \ |
| ((r) = (f)) == (x) || \ |
| (error("%s failed (" m ")\n", #f, r, x), 0) ) |
| |
| int main(void) |
| { |
| struct tm tm, *tm_p; |
| time_t t; |
| |
| putenv("TZ=GMT"); |
| tzset(); |
| |
| t=0; tm_p = gmtime(&t); |
| TEST_TM(*tm_p, TM_EPOCH, "gmtime(0)"); |
| |
| tm = TM_Y2038_1S; |
| t = mktime(&tm); |
| tm = *(gmtime(&t)); |
| TEST_TM(*tm_p, TM_Y2038_1S, "mktime/gmtime(Y2038-1)"); |
| |
| tm = TM_Y2038; |
| t = mktime(&tm); |
| tm = *(gmtime(&t)); |
| TEST_TM(*tm_p, TM_Y2038, "mktime/gmtime(Y2038)"); |
| |
| |
| return test_status; |
| } |