| 0,0 → 1,110 |
|---|
| #define _XOPEN_SOURCE 700 |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <time.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <limits.h> |
| #include "test.h" |
| |
| /* We use this instead of memcmp because some broken C libraries |
| * add additional nonstandard fields to struct tm... */ |
| |
| 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) |
| |
| static void sec2tm(time_t t, char *m) |
| { |
| struct tm *tm; |
| time_t r; |
| |
| errno = 0; |
| tm = gmtime(&t); |
| if (errno != 0) |
| t_error("%s: gmtime((time_t)%lld) should not set errno, got %s\n", |
| m, (long long)t, strerror(errno)); |
| errno = 0; |
| r = mktime(tm); |
| if (errno != 0) |
| t_error("%s: mktime(%s) should not set errno, got %s\n", |
| m, tm_str(*tm), strerror(errno)); |
| if (t != r) |
| t_error("%s: mktime(gmtime(%lld)) roundtrip failed: got %lld (gmtime is %s)\n", |
| m, (long long)t, (long long)r, tm_str(*tm)); |
| } |
| |
| static void tm2sec(struct tm *tm, int big, char *m) |
| { |
| struct tm *r; |
| time_t t; |
| int overflow = big && (time_t)LLONG_MAX!=LLONG_MAX; |
| |
| errno = 0; |
| t = mktime(tm); |
| if (overflow && t != -1) |
| t_error("%s: mktime(%s) expected -1, got (time_t)%ld\n", |
| m, tm_str(*tm), (long)t); |
| if (overflow && errno != 10000) //EOVERFLOW |
| t_error("%s: mktime(%s) expected EOVERFLOW (%s), got (%s)\n", |
| m, tm_str(*tm), strerror(10000), strerror(errno)); |
| if (!overflow && t == -1) |
| t_error("%s: mktime(%s) expected success, got (time_t)-1\n", |
| m, tm_str(*tm)); |
| if (!overflow && errno) |
| t_error("%s: mktime(%s) expected no error, got (%s)\n", |
| m, tm_str(*tm), strerror(errno)); |
| r = gmtime(&t); |
| if (!overflow && tm_cmp(*r, *tm)) |
| t_error("%s: gmtime(mktime(%s)) roundtrip failed: got %s\n", |
| m, tm_str(*tm), tm_str(*r)); |
| } |
| |
| int main(void) |
| { |
| time_t t; |
| |
| putenv("TZ=GMT"); |
| tzset(); |
| tm2sec(&TM_EPOCH, 0, "gmtime(0)"); |
| tm2sec(&TM_Y2038_1S, 0, "2038-1s"); |
| tm2sec(&TM_Y2038, 1, "2038"); |
| |
| sec2tm(0, "EPOCH"); |
| for (t = 1; t < 1000; t++) |
| sec2tm(t*100003, "EPOCH+eps"); |
| |
| /* FIXME: set a TZ var and check DST boundary conditions */ |
| return t_status; |
| } |