From b78ad5fd49ddfbe2e74aa6f00afbe992399c0efe Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Thu, 2 Dec 2004 22:16:35 +0000
Subject: * time/mktime.c (__mktime_internal): If SEC_REQUESTED != SEC,

	convert T2, not T.
	* time/Makefile (tests): Add tst-mktime3.
	* time/tst-mktime3.c: New test.

2004-12-01  Jakub Jelinek  <jakub@redhat.com>
---
 time/Makefile      |  3 ++-
 time/mktime.c      |  3 ++-
 time/tst-mktime3.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 time/tst-mktime3.c

(limited to 'time')

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;
+}
-- 
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