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(__mktime_internal): Normalize tp->tm_isdst value.

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This commit is contained in:
Ulrich Drepper 2008-07-06 21:17:58 +00:00
parent d5a0160b58
commit d35a163b3d
1 changed files with 4 additions and 2 deletions
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6
time/mktime.c
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@ -1,5 +1,5 @@
/* Convert a `struct tm' to a time_t value.
Copyright (C) 1993-1999, 2002-2006, 2007 Free Software Foundation, Inc.
Copyright (C) 1993-1999, 2002-2007, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Paul Eggert <eggert@twinsun.com>.
@ -293,7 +293,9 @@ __mktime_internal (struct tm *tp,
int mday = tp->tm_mday;
int mon = tp->tm_mon;
int year_requested = tp->tm_year;
int isdst = tp->tm_isdst;
/* Normalize the value. */
int isdst = ((tp->tm_isdst >> (8 * sizeof (tp->tm_isdst) - 1))
| (tp->tm_isdst != 0));
/* 1 if the previous probe was DST. */
int dst2;