diff options
Diffstat (limited to 'time')
| -rw-r--r-- | time/Makefile | 5 | ||||
| -rw-r--r-- | time/adjtime.c | 37 | ||||
| -rw-r--r-- | time/asctime.c | 66 | ||||
| -rw-r--r-- | time/bug-asctime.c | 33 | ||||
| -rw-r--r-- | time/bug-asctime_r.c | 32 | ||||
| -rw-r--r-- | time/bug-mktime1.c | 17 | ||||
| -rw-r--r-- | time/clock.c | 32 | ||||
| -rw-r--r-- | time/ftime.c | 43 | ||||
| -rw-r--r-- | time/getitimer.c | 42 | ||||
| -rw-r--r-- | time/gettimeofday.c | 39 | ||||
| -rw-r--r-- | time/mktime.c | 73 | ||||
| -rw-r--r-- | time/setitimer.c | 44 | ||||
| -rw-r--r-- | time/settimeofday.c | 35 | ||||
| -rw-r--r-- | time/stime.c | 40 | ||||
| -rw-r--r-- | time/strptime_l.c | 57 | ||||
| -rw-r--r-- | time/sys/time.h | 20 | ||||
| -rw-r--r-- | time/time.c | 36 | ||||
| -rw-r--r-- | time/time.h | 5 | ||||
| -rw-r--r-- | time/tst-strptime.c | 22 | ||||
| -rw-r--r-- | time/tst-strptime2.c | 59 | ||||
| -rw-r--r-- | time/tst-strptime3.c | 55 | ||||
| -rw-r--r-- | time/tzfile.c | 111 |
22 files changed, 813 insertions, 90 deletions
diff --git a/time/Makefile b/time/Makefile index 7acc964..8ce34e4 100644 --- a/time/Makefile +++ b/time/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 1991-2002,2003,2004 Free Software Foundation, Inc. +# Copyright (C) 1991-2003, 2004, 2005, 2007 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -35,7 +35,8 @@ distribute := datemsk tests := test_time clocktest tst-posixtz tst-strptime tst_wcsftime \ tst-getdate tst-mktime tst-mktime2 tst-ftime_l tst-strftime \ - tst-mktime3 + tst-mktime3 tst-strptime2 bug-asctime bug-asctime_r bug-mktime1 \ + tst-strptime3 include ../Rules diff --git a/time/adjtime.c b/time/adjtime.c new file mode 100644 index 0000000..8645652 --- /dev/null +++ b/time/adjtime.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/time.h> + +/* Adjust the current time of day by the amount in DELTA. + If OLDDELTA is not NULL, it is filled in with the amount + of time adjustment remaining to be done from the last `__adjtime' call. + This call is restricted to the super-user. */ +int +__adjtime (delta, olddelta) + const struct timeval *delta; + struct timeval *olddelta; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (adjtime) + +weak_alias (__adjtime, adjtime) +#include <stub-tag.h> diff --git a/time/asctime.c b/time/asctime.c index f20b311..dc4fd54 100644 --- a/time/asctime.c +++ b/time/asctime.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991,1993,1995-1997,2000,2002 Free Software Foundation, Inc. +/* Copyright (C) 1991,1993,1995-1997,2000,2002,2005 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,6 +19,7 @@ #include "../locale/localeinfo.h" #include <errno.h> +#include <limits.h> #include <stdio.h> #include <time.h> @@ -29,17 +31,9 @@ extern const struct locale_data _nl_C_LC_TIME attribute_hidden; static const char format[] = "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n"; static char result[ 3+1+ 3+1+20+1+20+1+20+1+20+1+20+1 + 1]; -/* Returns a string of the form "Day Mon dd hh:mm:ss yyyy\n" - which is the representation of TP in that form. */ -char * -asctime (const struct tm *tp) -{ - return __asctime_r (tp, result); -} -libc_hidden_def (asctime) -char * -__asctime_r (const struct tm *tp, char *buf) +static char * +asctime_internal (const struct tm *tp, char *buf, size_t buflen) { if (tp == NULL) { @@ -47,15 +41,51 @@ __asctime_r (const struct tm *tp, char *buf) return NULL; } - if (sprintf (buf, format, - (tp->tm_wday < 0 || tp->tm_wday >= 7 ? - "???" : ab_day_name (tp->tm_wday)), - (tp->tm_mon < 0 || tp->tm_mon >= 12 ? - "???" : ab_month_name (tp->tm_mon)), - tp->tm_mday, tp->tm_hour, tp->tm_min, - tp->tm_sec, 1900 + tp->tm_year) < 0) + /* We limit the size of the year which can be printed. Using the %d + format specifier used the addition of 1900 would overflow the + number and a negative vaue is printed. For some architectures we + could in theory use %ld or an evern larger integer format but + this would mean the output needs more space. This would not be a + problem if the 'asctime_r' interface would be defined sanely and + a buffer size would be passed. */ + if (__builtin_expect (tp->tm_year > INT_MAX - 1900, 0)) + { + eoverflow: + __set_errno (EOVERFLOW); + return NULL; + } + + int n = __snprintf (buf, buflen, format, + (tp->tm_wday < 0 || tp->tm_wday >= 7 ? + "???" : ab_day_name (tp->tm_wday)), + (tp->tm_mon < 0 || tp->tm_mon >= 12 ? + "???" : ab_month_name (tp->tm_mon)), + tp->tm_mday, tp->tm_hour, tp->tm_min, + tp->tm_sec, 1900 + tp->tm_year); + if (n < 0) return NULL; + if (n >= buflen) + goto eoverflow; return buf; } + + +/* Like asctime, but write result to the user supplied buffer. The + buffer is only guaranteed to be 26 bytes in length. */ +char * +__asctime_r (const struct tm *tp, char *buf) +{ + return asctime_internal (tp, buf, 26); +} weak_alias (__asctime_r, asctime_r) + + +/* Returns a string of the form "Day Mon dd hh:mm:ss yyyy\n" + which is the representation of TP in that form. */ +char * +asctime (const struct tm *tp) +{ + return asctime_internal (tp, result, sizeof (result)); +} +libc_hidden_def (asctime) diff --git a/time/bug-asctime.c b/time/bug-asctime.c new file mode 100644 index 0000000..0b04b47 --- /dev/null +++ b/time/bug-asctime.c @@ -0,0 +1,33 @@ +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <time.h> + + +static int +do_test (void) +{ + int result = 0; + time_t t = time (NULL); + struct tm *tp = localtime (&t); + tp->tm_year = INT_MAX; + errno = 0; + char *s = asctime (tp); + if (s != NULL || errno != EOVERFLOW) + { + puts ("asctime did not fail correctly"); + result = 1; + } + char buf[1000]; + errno = 0; + s = asctime_r (tp, buf); + if (s != NULL || errno != EOVERFLOW) + { + puts ("asctime_r did not fail correctly"); + result = 1; + } + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/time/bug-asctime_r.c b/time/bug-asctime_r.c new file mode 100644 index 0000000..86651ef --- /dev/null +++ b/time/bug-asctime_r.c @@ -0,0 +1,32 @@ +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <time.h> + + +static int +do_test (void) +{ + int result = 0; + time_t t = time (NULL); + struct tm *tp = localtime (&t); + tp->tm_year = 10000 - 1900; + char buf[1000]; + errno = 0; + buf[26] = '\xff'; + char *s = asctime_r (tp, buf); + if (s != NULL || errno != EOVERFLOW) + { + puts ("asctime_r did not fail correctly"); + result = 1; + } + if (buf[26] != '\xff') + { + puts ("asctime_r overwrote 27th byte in buffer"); + result = 1; + } + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/time/bug-mktime1.c b/time/bug-mktime1.c new file mode 100644 index 0000000..e071273 --- /dev/null +++ b/time/bug-mktime1.c @@ -0,0 +1,17 @@ +#include <stdio.h> +#include <time.h> + + +static int +do_test (void) +{ + struct tm t2 = { 0, 0, 0, 1, 1, 2050 - 1900, 1, 1, 1 }; + time_t tt2 = mktime (&t2); + printf ("%ld\n", (long int) tt2); + if (sizeof (time_t) == 4 && tt2 != -1) + return 1; + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/time/clock.c b/time/clock.c new file mode 100644 index 0000000..99dc5f4 --- /dev/null +++ b/time/clock.c @@ -0,0 +1,32 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/times.h> +#include <time.h> +#include <errno.h> + +/* Return the time used by the program so far (user time + system time). */ +clock_t +clock () +{ + __set_errno (ENOSYS); + return (clock_t) -1; +} + +stub_warning (clock) +#include <stub-tag.h> diff --git a/time/ftime.c b/time/ftime.c new file mode 100644 index 0000000..94dfbcc --- /dev/null +++ b/time/ftime.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1994, 1996, 1997, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <time.h> +#include <sys/timeb.h> + +int +ftime (timebuf) + struct timeb *timebuf; +{ + int save = errno; + struct tm tp; + + __set_errno (0); + if (time (&timebuf->time) == (time_t) -1 && errno != 0) + return -1; + timebuf->millitm = 0; + + if (__localtime_r (&timebuf->time, &tp) == NULL) + return -1; + + timebuf->timezone = tp.tm_gmtoff / 60; + timebuf->dstflag = tp.tm_isdst; + + __set_errno (save); + return 0; +} diff --git a/time/getitimer.c b/time/getitimer.c new file mode 100644 index 0000000..d9f3063 --- /dev/null +++ b/time/getitimer.c @@ -0,0 +1,42 @@ +/* Copyright (C) 1991, 1994, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stddef.h> +#include <errno.h> +#include <sys/time.h> + +/* Set *VALUE to the current setting of timer WHICH. + Return 0 on success, -1 on errors. */ +int +__getitimer (which, value) + enum __itimer_which which; + struct itimerval *value; +{ + if (value == NULL) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (getitimer) + +weak_alias (__getitimer, getitimer) +#include <stub-tag.h> diff --git a/time/gettimeofday.c b/time/gettimeofday.c new file mode 100644 index 0000000..f4a170c --- /dev/null +++ b/time/gettimeofday.c @@ -0,0 +1,39 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/time.h> + +#undef __gettimeofday + +/* Get the current time of day and timezone information, + putting it into *TV and *TZ. If TZ is NULL, *TZ is not filled. + Returns 0 on success, -1 on errors. */ +int +__gettimeofday (tv, tz) + struct timeval *tv; + struct timezone *tz; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (gettimeofday) + +INTDEF(__gettimeofday) +weak_alias (__gettimeofday, gettimeofday) +#include <stub-tag.h> diff --git a/time/mktime.c b/time/mktime.c index c6ae56e..8f00c72 100644 --- a/time/mktime.c +++ b/time/mktime.c @@ -1,7 +1,7 @@ /* Convert a `struct tm' to a time_t value. - Copyright (C) 1993-1999, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1993-1999, 2002-2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Paul Eggert (eggert@twinsun.com). + Contributed by Paul Eggert <eggert@twinsun.com>. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -38,10 +38,11 @@ #include <limits.h> +#include <string.h> /* For the real memcpy prototype. */ + #if DEBUG # include <stdio.h> # include <stdlib.h> -# include <string.h> /* Make it work even if the system's libc has its own mktime routine. */ # define mktime my_mktime #endif /* DEBUG */ @@ -61,13 +62,38 @@ ? (a) >> (b) \ : (a) / (1 << (b)) - ((a) % (1 << (b)) < 0)) -/* The extra casts work around common compiler bugs. */ +/* The extra casts in the following macros work around compiler bugs, + e.g., in Cray C 5.0.3.0. */ + +/* True if the arithmetic type T is an integer type. bool counts as + an integer. */ +#define TYPE_IS_INTEGER(t) ((t) 1.5 == 1) + +/* True if negative values of the signed integer type T use two's + complement, ones' complement, or signed magnitude representation, + respectively. Much GNU code assumes two's complement, but some + people like to be portable to all possible C hosts. */ +#define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1) +#define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0) +#define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1) + +/* True if the arithmetic type T is signed. */ #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) -/* The outer cast is needed to work around a bug in Cray C 5.0.3.0. - It is necessary at least when t == time_t. */ -#define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \ - ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0)) -#define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t))) + +/* The maximum and minimum values for the integer type T. These + macros have undefined behavior if T is signed and has padding bits. + If this is a problem for you, please let us know how to fix it for + your host. */ +#define TYPE_MINIMUM(t) \ + ((t) (! TYPE_SIGNED (t) \ + ? (t) 0 \ + : TYPE_SIGNED_MAGNITUDE (t) \ + ? ~ (t) 0 \ + : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))) +#define TYPE_MAXIMUM(t) \ + ((t) (! TYPE_SIGNED (t) \ + ? (t) -1 \ + : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))) #ifndef TIME_T_MIN # define TIME_T_MIN TYPE_MINIMUM (time_t) @@ -80,8 +106,8 @@ /* Verify a requirement at compile-time (unlike assert, which is runtime). */ #define verify(name, assertion) struct name { char a[(assertion) ? 1 : -1]; } -verify (time_t_is_integer, (time_t) 0.5 == 0); -verify (twos_complement_arithmetic, -1 == ~1 + 1); +verify (time_t_is_integer, TYPE_IS_INTEGER (time_t)); +verify (twos_complement_arithmetic, TYPE_TWOS_COMPLEMENT (int)); /* The code also assumes that signed integer overflow silently wraps around, but this assumption can't be stated without causing a diagnostic on some hosts. */ @@ -190,10 +216,11 @@ guess_time_tm (long int year, long int yday, int hour, int min, int sec, /* Overflow occurred one way or another. Return the nearest result that is actually in range, except don't report a zero difference if the actual difference is nonzero, as that would cause a false - match. */ + match; and don't oscillate between two values, as that would + confuse the spring-forward gap detector. */ return (*t < TIME_T_MIDPOINT - ? TIME_T_MIN + (*t == TIME_T_MIN) - : TIME_T_MAX - (*t == TIME_T_MAX)); + ? (*t <= TIME_T_MIN + 1 ? *t + 1 : TIME_T_MIN) + : (TIME_T_MAX - 1 <= *t ? *t - 1 : TIME_T_MAX)); } /* Use CONVERT to convert *T to a broken down time in *TP. @@ -203,13 +230,12 @@ static struct tm * ranged_convert (struct tm *(*convert) (const time_t *, struct tm *), time_t *t, struct tm *tp) { - struct tm *r; + struct tm *r = convert (t, tp); - if (! (r = (*convert) (t, tp)) && *t) + if (!r && *t) { time_t bad = *t; time_t ok = 0; - struct tm tm; /* BAD is a known unconvertible time_t, and OK is a known good one. Use binary search to narrow the range between BAD and OK until @@ -219,11 +245,9 @@ ranged_convert (struct tm *(*convert) (const time_t *, struct tm *), time_t mid = *t = (bad < 0 ? bad + ((ok - bad) >> 1) : ok + ((bad - ok) >> 1)); - if ((r = (*convert) (t, tp))) - { - tm = *r; - ok = mid; - } + r = convert (t, tp); + if (r) + ok = mid; else bad = mid; } @@ -233,8 +257,7 @@ ranged_convert (struct tm *(*convert) (const time_t *, struct tm *), /* The last conversion attempt failed; revert to the most recent successful attempt. */ *t = ok; - *tp = tm; - r = tp; + r = convert (t, tp); } } @@ -463,7 +486,7 @@ __mktime_internal (struct tm *tp, t2 = t1 + sec_adjustment; if (((t1 < t) != (sec_requested < 0)) | ((t2 < t1) != (sec_adjustment < 0)) - | ! (*convert) (&t2, &tm)) + | ! convert (&t2, &tm)) return -1; t = t2; } diff --git a/time/setitimer.c b/time/setitimer.c new file mode 100644 index 0000000..755fa06 --- /dev/null +++ b/time/setitimer.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1991, 1994, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stddef.h> +#include <errno.h> +#include <sys/time.h> + +/* Set the timer WHICH to *NEW. If OLD is not NULL, + set *OLD to the old value of timer WHICH. + Returns 0 on success, -1 on errors. */ +int +__setitimer (which, new, old) + enum __itimer_which which; + const struct itimerval *new; + struct itimerval *old; +{ + if (new == NULL) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (setitimer) + +weak_alias (__setitimer, setitimer) +#include <stub-tag.h> diff --git a/time/settimeofday.c b/time/settimeofday.c new file mode 100644 index 0000000..abff6f9 --- /dev/null +++ b/time/settimeofday.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/time.h> + +/* Set the current time of day and timezone information. + This call is restricted to the super-user. */ +int +__settimeofday (tv, tz) + const struct timeval *tv; + const struct timezone *tz; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (settimeofday) + +weak_alias (__settimeofday, settimeofday) +#include <stub-tag.h> diff --git a/time/stime.c b/time/stime.c new file mode 100644 index 0000000..5ed1b04 --- /dev/null +++ b/time/stime.c @@ -0,0 +1,40 @@ +/* Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <time.h> +#include <stddef.h> + +/* Set the system clock to *WHEN. */ + +int +stime (when) + const time_t *when; +{ + if (when == NULL) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} + +stub_warning (stime) +#include <stub-tag.h> diff --git a/time/strptime_l.c b/time/strptime_l.c index df98099..443a6fa 100644 --- a/time/strptime_l.c +++ b/time/strptime_l.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -400,6 +400,7 @@ __strptime_internal (rp, fmt, tm, decided, era_cnt LOCALE_PARAM) /* Does not match a month name. */ return NULL; tm->tm_mon = cnt; + have_mon = 1; want_xday = 1; break; case 'c': @@ -539,10 +540,12 @@ __strptime_internal (rp, fmt, tm, decided, era_cnt LOCALE_PARAM) } #endif if (!match_string (HERE_AM_STR, rp)) - if (match_string (HERE_PM_STR, rp)) - is_pm = 1; - else - return NULL; + { + if (match_string (HERE_PM_STR, rp)) + is_pm = 1; + else + return NULL; + } break; case 'r': #ifdef _NL_CURRENT @@ -685,6 +688,42 @@ __strptime_internal (rp, fmt, tm, decided, era_cnt LOCALE_PARAM) case 'Z': /* XXX How to handle this? */ break; + case 'z': + /* We recognize two formats: if two digits are given, these + specify hours. If fours digits are used, minutes are + also specified. */ + { + val = 0; + while (*rp == ' ') + ++rp; + if (*rp != '+' && *rp != '-') + return NULL; + bool neg = *rp++ == '-'; + int n = 0; + while (n < 4 && *rp >= '0' && *rp <= '9') + { + val = val * 10 + *rp++ - '0'; + ++n; + } + if (n == 2) + val *= 100; + else if (n != 4) + /* Only two or four digits recognized. */ + return NULL; + else + { + /* We have to convert the minutes into decimal. */ + if (val % 100 >= 60) + return NULL; + val = (val / 100) * 100 + ((val % 100) * 50) / 30; + } + if (val > 1200) + return NULL; + tm->tm_gmtoff = (val * 3600) / 100; + if (neg) + tm->tm_gmtoff = -tm->tm_gmtoff; + } + break; case 'E': #ifdef _NL_CURRENT switch (*fmt++) @@ -1047,11 +1086,15 @@ __strptime_internal (rp, fmt, tm, decided, era_cnt LOCALE_PARAM) tm->tm_mday = (tm->tm_yday - __mon_yday[__isleap(1900 + tm->tm_year)][t_mon - 1] + 1); + have_mon = 1; + have_mday = 1; } - day_of_the_week (tm); + /* Don't crash in day_of_the_week if tm_mon is uninitialized. */ + if (have_mon || (unsigned) tm->tm_mon <= 11) + day_of_the_week (tm); } - if (want_xday && !have_yday) + if (want_xday && !have_yday && (have_mon || (unsigned) tm->tm_mon <= 11)) day_of_the_year (tm); if ((have_uweek || have_wweek) && have_wday) diff --git a/time/sys/time.h b/time/sys/time.h index 515ea7e..177696b 100644 --- a/time/sys/time.h +++ b/time/sys/time.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1991-1994,1996-2002,2003 Free Software Foundation, Inc. +/* Copyright (C) 1991-1994,1996-2002,2003,2005,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -70,13 +71,14 @@ typedef void *__restrict __timezone_ptr_t; NOTE: This form of timezone information is obsolete. Use the functions and variables declared in <time.h> instead. */ extern int gettimeofday (struct timeval *__restrict __tv, - __timezone_ptr_t __tz) __THROW; + __timezone_ptr_t __tz) __THROW __nonnull ((1)); #ifdef __USE_BSD /* Set the current time of day and timezone information. This call is restricted to the super-user. */ extern int settimeofday (__const struct timeval *__tv, - __const struct timezone *__tz) __THROW; + __const struct timezone *__tz) + __THROW __nonnull ((1)); /* Adjust the current time of day by the amount in DELTA. If OLDDELTA is not NULL, it is filled in with the amount @@ -136,17 +138,25 @@ extern int setitimer (__itimer_which_t __which, FILE to TVP[1]. If TVP is a null pointer, use the current time instead. Returns 0 on success, -1 on errors. */ extern int utimes (__const char *__file, __const struct timeval __tvp[2]) - __THROW; + __THROW __nonnull ((1)); #ifdef __USE_BSD /* Same as `utimes', but does not follow symbolic links. */ extern int lutimes (__const char *__file, __const struct timeval __tvp[2]) - __THROW; + __THROW __nonnull ((1)); /* Same as `utimes', but takes an open file descriptor instead of a name. */ extern int futimes (int __fd, __const struct timeval __tvp[2]) __THROW; #endif +#ifdef __USE_ATFILE +/* Change the access time of FILE relative to FD to TVP[0] and the + modification time of FILE to TVP[1]. If TVP is a null pointer, use + the current time instead. Returns 0 on success, -1 on errors. */ +extern int futimesat (int __fd, __const char *__file, + __const struct timeval __tvp[2]) __THROW; +#endif + #ifdef __USE_BSD /* Convenience macros for operations on timevals. diff --git a/time/time.c b/time/time.c new file mode 100644 index 0000000..ec66f11 --- /dev/null +++ b/time/time.c @@ -0,0 +1,36 @@ +/* Copyright (C) 1991,96,97,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <time.h> + +/* Return the time now, and store it in *TIMER if not NULL. */ +time_t +time (timer) + time_t *timer; +{ + __set_errno (ENOSYS); + + if (timer != NULL) + *timer = (time_t) -1; + return (time_t) -1; +} +libc_hidden_def (time) + +stub_warning (time) +#include <stub-tag.h> diff --git a/time/time.h b/time/time.h index 27e0d8b..6c8f79d 100644 --- a/time/time.h +++ b/time/time.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1991-1999,2000,2001,2002,2003 Free Software Foundation, Inc. +/* Copyright (C) 1991-1999,2000,2001,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -113,6 +114,8 @@ typedef __timer_t timer_t; defined __need_timespec) # define __timespec_defined 1 +# include <bits/types.h> /* This defines __time_t for us. */ + /* POSIX.1b structure for a time value. This is like a `struct timeval' but has nanoseconds instead of microseconds. */ struct timespec diff --git a/time/tst-strptime.c b/time/tst-strptime.c index a0b2ebe..6356aa0 100644 --- a/time/tst-strptime.c +++ b/time/tst-strptime.c @@ -42,6 +42,10 @@ static const struct { "C", "19990502123412", "%Y%m%d%H%M%S", 0, 121, 4, 2 }, { "C", "2001 20 Mon", "%Y %U %a", 1, 140, 4, 21 }, { "C", "2001 21 Mon", "%Y %W %a", 1, 140, 4, 21 }, + { "ja_JP.EUC-JP", "2000-01-01 08:12:21 AM", "%Y-%m-%d %I:%M:%S %p", + 6, 0, 0, 1 }, + { "en_US.ISO-8859-1", "2000-01-01 08:12:21 PM", "%Y-%m-%d %I:%M:%S %p", + 6, 0, 0, 1 }, { "ja_JP.EUC-JP", "2001 20 \xb7\xee", "%Y %U %a", 1, 140, 4, 21 }, { "ja_JP.EUC-JP", "2001 21 \xb7\xee", "%Y %W %a", 1, 140, 4, 21 }, }; @@ -73,7 +77,14 @@ test_tm (void) { memset (&tm, '\0', sizeof (tm)); - if (*strptime (tm_tests[i].input, tm_tests[i].format, &tm) != '\0') + char *ret = strptime (tm_tests[i].input, tm_tests[i].format, &tm); + if (ret == NULL) + { + printf ("strptime returned NULL for `%s'\n", tm_tests[i].input); + result = 1; + continue; + } + else if (*ret != '\0') { printf ("not all of `%s' read\n", tm_tests[i].input); result = 1; @@ -127,7 +138,14 @@ main (int argc, char *argv[]) exit (EXIT_FAILURE); } - if (*strptime (day_tests[i].input, day_tests[i].format, &tm) != '\0') + char *ret = strptime (day_tests[i].input, day_tests[i].format, &tm); + if (ret == NULL) + { + printf ("strptime returned NULL for `%s'\n", day_tests[i].input); + result = 1; + continue; + } + else if (*ret != '\0') { printf ("not all of `%s' read\n", day_tests[i].input); result = 1; diff --git a/time/tst-strptime2.c b/time/tst-strptime2.c new file mode 100644 index 0000000..73552bb --- /dev/null +++ b/time/tst-strptime2.c @@ -0,0 +1,59 @@ +#include <limits.h> +#include <stdio.h> +#include <time.h> + + +static const struct +{ + const char *fmt; + long int gmtoff; +} tests[] = + { + { "1113472456 +1000", 36000 }, + { "1113472456 -1000", -36000 }, + { "1113472456 +10", 36000 }, + { "1113472456 -10", -36000 }, + { "1113472456 +1030", 37800 }, + { "1113472456 -1030", -37800 }, + { "1113472456 +0030", 1800 }, + { "1113472456 -0030", -1800 }, + { "1113472456 -1330", LONG_MAX }, + { "1113472456 +1330", LONG_MAX }, + { "1113472456 -1060", LONG_MAX }, + { "1113472456 +1060", LONG_MAX }, + { "1113472456 1030", LONG_MAX }, + }; +#define ntests (sizeof (tests) / sizeof (tests[0])) + + +int +main (void) +{ + int result = 0; + + for (int i = 0; i < ntests; ++i) + { + struct tm tm; + + if (strptime (tests[i].fmt, "%s %z", &tm) == NULL) + { + if (tests[i].gmtoff != LONG_MAX) + { + printf ("round %d: strptime unexpectedly failed\n", i); + result = 1; + } + continue; + } + + if (tm.tm_gmtoff != tests[i].gmtoff) + { + printf ("round %d: tm_gmtoff is %ld\n", i, (long int) tm.tm_gmtoff); + result = 1; + } + } + + if (result == 0) + puts ("all OK"); + + return 0; +} diff --git a/time/tst-strptime3.c b/time/tst-strptime3.c new file mode 100644 index 0000000..9a8c648 --- /dev/null +++ b/time/tst-strptime3.c @@ -0,0 +1,55 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + + +int +main (void) +{ + int result = 0; + struct tm tm; + + memset (&tm, 0xaa, sizeof (tm)); + + /* Test we don't crash on uninitialized struct tm. + Some fields might contain bogus values until everything + needed is initialized, but we shouldn't crash. */ + if (strptime ("2007", "%Y", &tm) == NULL + || strptime ("12", "%d", &tm) == NULL + || strptime ("Feb", "%b", &tm) == NULL + || strptime ("13", "%M", &tm) == NULL + || strptime ("21", "%S", &tm) == NULL + || strptime ("16", "%H", &tm) == NULL) + { + puts ("strptimes failed"); + result = 1; + } + + if (tm.tm_sec != 21 || tm.tm_min != 13 || tm.tm_hour != 16 + || tm.tm_mday != 12 || tm.tm_mon != 1 || tm.tm_year != 107 + || tm.tm_wday != 1 || tm.tm_yday != 42) + { + puts ("unexpected tm content"); + result = 1; + } + + if (strptime ("8", "%d", &tm) == NULL) + { + puts ("strptime failed"); + result = 1; + } + + if (tm.tm_sec != 21 || tm.tm_min != 13 || tm.tm_hour != 16 + || tm.tm_mday != 8 || tm.tm_mon != 1 || tm.tm_year != 107 + || tm.tm_wday != 4 || tm.tm_yday != 38) + { + puts ("unexpected tm content"); + result = 1; + } + + if (result == 0) + puts ("all OK"); + + return 0; +} diff --git a/time/tzfile.c b/time/tzfile.c index e95fd55..6e7ee4a 100644 --- a/time/tzfile.c +++ b/time/tzfile.c @@ -71,24 +71,34 @@ static inline int __attribute ((always_inline)) decode (const void *ptr) { - if ((BYTE_ORDER == BIG_ENDIAN) && sizeof (int) == 4) + if (BYTE_ORDER == BIG_ENDIAN && sizeof (int) == 4) return *(const int *) ptr; - else if (BYTE_ORDER == LITTLE_ENDIAN && sizeof (int) == 4) + if (sizeof (int) == 4) return bswap_32 (*(const int *) ptr); - else - { - const unsigned char *p = ptr; - int result = *p & (1 << (CHAR_BIT - 1)) ? ~0 : 0; - result = (result << 8) | *p++; - result = (result << 8) | *p++; - result = (result << 8) | *p++; - result = (result << 8) | *p++; + const unsigned char *p = ptr; + int result = *p & (1 << (CHAR_BIT - 1)) ? ~0 : 0; - return result; - } + result = (result << 8) | *p++; + result = (result << 8) | *p++; + result = (result << 8) | *p++; + result = (result << 8) | *p++; + + return result; } + +static inline int64_t +__attribute ((always_inline)) +decode64 (const void *ptr) +{ + if ((BYTE_ORDER == BIG_ENDIAN)) + return *(const int64_t *) ptr; + + return bswap_64 (*(const int64_t *) ptr); +} + + void __tzfile_read (const char *file, size_t extra, char **extrap) { @@ -102,6 +112,10 @@ __tzfile_read (const char *file, size_t extra, char **extrap) size_t types_idx; size_t leaps_idx; int was_using_tzfile = __use_tzfile; + int trans_width = 4; + + if (sizeof (time_t) != 4 && sizeof (time_t) != 8) + abort (); __use_tzfile = 0; @@ -185,8 +199,10 @@ __tzfile_read (const char *file, size_t extra, char **extrap) /* No threads reading this stream. */ __fsetlocking (f, FSETLOCKING_BYCALLER); + read_again: if (__builtin_expect (fread_unlocked ((void *) &tzhead, sizeof (tzhead), - 1, f) != 1, 0)) + 1, f) != 1, 0) + || memcmp (tzhead.tzh_magic, TZ_MAGIC, sizeof (tzhead.tzh_magic)) != 0) goto lose; num_transitions = (size_t) decode (tzhead.tzh_timecnt); @@ -196,6 +212,26 @@ __tzfile_read (const char *file, size_t extra, char **extrap) num_isstd = (size_t) decode (tzhead.tzh_ttisstdcnt); num_isgmt = (size_t) decode (tzhead.tzh_ttisgmtcnt); + /* For platforms with 64-bit time_t we use the new format if available. */ + if (sizeof (time_t) == 8 && trans_width == 4 + && tzhead.tzh_version[0] != '\0') + { + /* We use the 8-byte format. */ + trans_width = 8; + + /* Position the stream before the second header. */ + size_t to_skip = (num_transitions * (4 + 1) + + num_types * 6 + + chars + + num_leaps * 8 + + num_isstd + + num_isgmt); + if (fseek (f, to_skip, SEEK_CUR) != 0) + goto lose; + + goto read_again; + } + total_size = num_transitions * (sizeof (time_t) + 1); total_size = ((total_size + __alignof__ (struct ttinfo) - 1) & ~(__alignof__ (struct ttinfo) - 1)); @@ -205,10 +241,10 @@ __tzfile_read (const char *file, size_t extra, char **extrap) & ~(__alignof__ (struct leap) - 1)); leaps_idx = total_size; total_size += num_leaps * sizeof (struct leap); - /* This is for the extra memory required by the caller. */ - total_size += extra; - transitions = (time_t *) malloc (total_size); + /* Allocate enough memory including the extra block requested by the + caller. */ + transitions = (time_t *) malloc (total_size + extra); if (transitions == NULL) goto lose; @@ -220,14 +256,11 @@ __tzfile_read (const char *file, size_t extra, char **extrap) if (extra > 0) *extrap = (char *) &leaps[num_leaps]; - if (sizeof (time_t) < 4) - abort (); - - if (sizeof (time_t) == 4) + if (sizeof (time_t) == 4 || trans_width == 8) { - if (__builtin_expect (fread_unlocked (transitions, 1, - (4 + 1) * num_transitions, f) - != (4 + 1) * num_transitions, 0)) + if (__builtin_expect (fread_unlocked (transitions, trans_width + 1, + num_transitions, f) + != num_transitions, 0)) goto lose; } else @@ -245,7 +278,9 @@ __tzfile_read (const char *file, size_t extra, char **extrap) if (__builtin_expect (type_idxs[i] >= num_types, 0)) goto lose; - if (BYTE_ORDER != BIG_ENDIAN || sizeof (time_t) != 4) + if ((BYTE_ORDER != BIG_ENDIAN && (sizeof (time_t) == 4 || trans_width == 4)) + || (BYTE_ORDER == BIG_ENDIAN && sizeof (time_t) == 8 + && trans_width == 4)) { /* Decode the transition times, stored as 4-byte integers in network (big-endian) byte order. We work from the end of @@ -255,6 +290,13 @@ __tzfile_read (const char *file, size_t extra, char **extrap) while (i-- > 0) transitions[i] = decode ((char *) transitions + i * 4); } + else if (BYTE_ORDER != BIG_ENDIAN && sizeof (time_t) == 8) + { + /* Decode the transition times, stored as 8-byte integers in + network (big-endian) byte order. */ + for (i = 0; i < num_transitions; ++i) + transitions[i] = decode64 ((char *) transitions + i * 8); + } for (i = 0; i < num_types; ++i) { @@ -280,13 +322,16 @@ __tzfile_read (const char *file, size_t extra, char **extrap) for (i = 0; i < num_leaps; ++i) { - unsigned char x[4]; - if (__builtin_expect (fread_unlocked (x, 1, sizeof (x), f) != sizeof (x), - 0)) + unsigned char x[8]; + if (__builtin_expect (fread_unlocked (x, 1, trans_width, f) + != trans_width, 0)) goto lose; - leaps[i].transition = (time_t) decode (x); - if (__builtin_expect (fread_unlocked (x, 1, sizeof (x), f) != sizeof (x), - 0)) + if (sizeof (time_t) == 4 || trans_width == 4) + leaps[i].transition = (time_t) decode (x); + else + leaps[i].transition = (time_t) decode64 (x); + + if (__builtin_expect (fread_unlocked (x, 1, 4, f) != 4, 0)) goto lose; leaps[i].change = (long int) decode (x); } @@ -311,6 +356,12 @@ __tzfile_read (const char *file, size_t extra, char **extrap) while (i < num_types) types[i++].isgmt = 0; + /* XXX When a version 2 file is available it can contain a POSIX TZ-style + formatted string which specifies how times past the last one specified + are supposed to be handled. We might want to handle this at some + point. But it might be overhead since most/all? files have an + open-ended last entry. */ + fclose (f); /* First "register" all timezone names. */ |