diff options
Diffstat (limited to 'time')
| -rw-r--r-- | time/Makefile | 3 | ||||
| -rw-r--r-- | time/mktime.c | 3 | ||||
| -rw-r--r-- | time/tst-mktime3.c | 50 |
3 files changed, 54 insertions, 2 deletions
diff --git a/time/Makefile b/time/Makefile index cb6ce44..7acc964 100644 --- a/time/Makefile +++ b/time/Makefile @@ -34,7 +34,8 @@ aux := era alt_digit lc-time-cleanup distribute := datemsk tests := test_time clocktest tst-posixtz tst-strptime tst_wcsftime \ - tst-getdate tst-mktime tst-mktime2 tst-ftime_l tst-strftime + tst-getdate tst-mktime tst-mktime2 tst-ftime_l tst-strftime \ + tst-mktime3 include ../Rules diff --git a/time/mktime.c b/time/mktime.c index 280f5f4..c6ae56e 100644 --- a/time/mktime.c +++ b/time/mktime.c @@ -463,8 +463,9 @@ __mktime_internal (struct tm *tp, t2 = t1 + sec_adjustment; if (((t1 < t) != (sec_requested < 0)) | ((t2 < t1) != (sec_adjustment < 0)) - | ! (*convert) (&t, &tm)) + | ! (*convert) (&t2, &tm)) return -1; + t = t2; } *tp = tm; diff --git a/time/tst-mktime3.c b/time/tst-mktime3.c new file mode 100644 index 0000000..60d0e0b --- /dev/null +++ b/time/tst-mktime3.c @@ -0,0 +1,50 @@ +/* Test program for mktime bugs with out-of-range tm_sec values. */ + +#include <stdlib.h> +#include <stdio.h> +#include <time.h> + +struct tm tests[] = +{ + { .tm_sec = -1, .tm_mday = 1, .tm_year = 104 }, + { .tm_sec = 65, .tm_min = 59, .tm_hour = 23, .tm_mday = 31, + .tm_mon = 11, .tm_year = 101 } +}; +struct tm expected[] = +{ + { .tm_sec = 59, .tm_min = 59, .tm_hour = 23, .tm_mday = 31, + .tm_mon = 11, .tm_year = 103, .tm_wday = 3, .tm_yday = 364 }, + { .tm_sec = 5, .tm_mday = 1, .tm_year = 102, .tm_wday = 2 } +}; + +int +main (void) +{ + setenv ("TZ", "UTC", 1); + int i; + for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i) + { + if (mktime (&tests[i]) < 0) + { + printf ("mktime %d failed\n", i); + return 1; + } +#define CHECK(name) \ + if (tests[i].name != expected[i].name) \ + { \ + printf ("test %d " #name " got %d expected %d\n", \ + i, tests[i].name, expected[i].name); \ + return 1; \ + } + CHECK (tm_sec) + CHECK (tm_min) + CHECK (tm_hour) + CHECK (tm_mday) + CHECK (tm_mon) + CHECK (tm_year) + CHECK (tm_wday) + CHECK (tm_yday) + CHECK (tm_isdst) + } + return 0; +} |