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-rw-r--r--time/Makefile3
-rw-r--r--time/mktime.c3
-rw-r--r--time/tst-mktime3.c50
3 files changed, 54 insertions, 2 deletions
diff --git a/time/Makefile b/time/Makefile
index cb6ce4413d..7acc964fdc 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 280f5f47d5..c6ae56ee60 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 0000000000..60d0e0b32c
--- /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;
+}