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issue #5605

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6979 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2005-11-06 15:09:47 +00:00
parent 75c812f26d
commit 31a804b97c
147 changed files with 1164 additions and 710 deletions
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172
stdtime/localtime.c
View File

@@ -23,10 +23,13 @@
* at the top of the source tree.
*/
/*
/*! \file
*
* Multi-timezone Localtime code
*
* \author Leap second handling Bradley White (bww@k.gp.cs.cmu.edu).
* \author POSIX-style TZ environment variable handling from Guy Harris (guy@auspex.com).
*
*/
/*
@@ -40,11 +43,6 @@
#define TZ_STRLEN_MAX 255
/* #define DEBUG */
/*
** Leap second handling from Bradley White (bww@k.gp.cs.cmu.edu).
** POSIX-style TZ environment variable handling from Guy Harris
** (guy@auspex.com).
*/
/*LINTLIBRARY*/
@@ -62,7 +60,7 @@
#ifndef lint
#ifndef NOID
static const char elsieid[] = "@(#)localtime.c 7.57";
static const char elsieid[] = "@(#)localtime.c 7.57";
#endif /* !defined NOID */
#endif /* !defined lint */
@@ -80,45 +78,47 @@ static const char elsieid[] = "@(#)localtime.c 7.57";
#endif /* !defined O_BINARY */
#ifndef WILDABBR
/*
** Someone might make incorrect use of a time zone abbreviation:
** 1. They might reference tzname[0] before calling ast_tzset (explicitly
** or implicitly).
** 2. They might reference tzname[1] before calling ast_tzset (explicitly
** or implicitly).
** 3. They might reference tzname[1] after setting to a time zone
** in which Daylight Saving Time is never observed.
** 4. They might reference tzname[0] after setting to a time zone
** in which Standard Time is never observed.
** 5. They might reference tm.TM_ZONE after calling offtime.
** What's best to do in the above cases is open to debate;
** for now, we just set things up so that in any of the five cases
** WILDABBR is used. Another possibility: initialize tzname[0] to the
** string "tzname[0] used before set", and similarly for the other cases.
** And another: initialize tzname[0] to "ERA", with an explanation in the
** manual page of what this "time zone abbreviation" means (doing this so
** that tzname[0] has the "normal" length of three characters).
*/
/*! \note
* Someone might make incorrect use of a time zone abbreviation:
* 1. They might reference tzname[0] before calling ast_tzset (explicitly
* or implicitly).
* 2. They might reference tzname[1] before calling ast_tzset (explicitly
* or implicitly).
* 3. They might reference tzname[1] after setting to a time zone
* in which Daylight Saving Time is never observed.
* 4. They might reference tzname[0] after setting to a time zone
* in which Standard Time is never observed.
* 5. They might reference tm.TM_ZONE after calling offtime.
* What's best to do in the above cases is open to debate;
* for now, we just set things up so that in any of the five cases
* WILDABBR is used. Another possibility: initialize tzname[0] to the
* string "tzname[0] used before set", and similarly for the other cases.
* And another: initialize tzname[0] to "ERA", with an explanation in the
* manual page of what this "time zone abbreviation" means (doing this so
* that tzname[0] has the "normal" length of three characters).
*/
#define WILDABBR " "
#endif /* !defined WILDABBR */
static char wildabbr[] = "WILDABBR";
/* FreeBSD defines 'zone' in 'struct tm' as non-const, so don't declare this
/*! \brief FreeBSD defines 'zone' in 'struct tm' as non-const, so don't declare this
string as const. */
static char gmt[] = "GMT";
struct ttinfo { /* time type information */
long tt_gmtoff; /* GMT offset in seconds */
int tt_isdst; /* used to set tm_isdst */
int tt_abbrind; /* abbreviation list index */
int tt_ttisstd; /* TRUE if transition is std time */
int tt_ttisgmt; /* TRUE if transition is GMT */
/*!< \brief time type information */
struct ttinfo {
long tt_gmtoff; /*!< GMT offset in seconds */
int tt_isdst; /*!< used to set tm_isdst */
int tt_abbrind; /*!< abbreviation list index */
int tt_ttisstd; /*!< TRUE if transition is std time */
int tt_ttisgmt; /*!< TRUE if transition is GMT */
};
struct lsinfo { /* leap second information */
time_t ls_trans; /* transition time */
long ls_corr; /* correction to apply */
/*! \brief leap second information */
struct lsinfo {
time_t ls_trans; /*!< transition time */
long ls_corr; /*!< correction to apply */
};
#define BIGGEST(a, b) (((a) > (b)) ? (a) : (b))
@@ -152,16 +152,16 @@ struct state {
};
struct rule {
int r_type; /* type of rule--see below */
int r_day; /* day number of rule */
int r_week; /* week number of rule */
int r_mon; /* month number of rule */
long r_time; /* transition time of rule */
int r_type; /*!< type of rule--see below */
int r_day; /*!< day number of rule */
int r_week; /*!< week number of rule */
int r_mon; /*!< month number of rule */
long r_time; /*!< transition time of rule */
};
#define JULIAN_DAY 0 /* Jn - Julian day */
#define DAY_OF_YEAR 1 /* n - day of year */
#define MONTH_NTH_DAY_OF_WEEK 2 /* Mm.n.d - month, week, day of week */
#define JULIAN_DAY 0 /*!< Jn - Julian day */
#define DAY_OF_YEAR 1 /*!< n - day of year */
#define MONTH_NTH_DAY_OF_WEEK 2 /*!< Mm.n.d - month, week, day of week */
/*
** Prototypes for static functions.
@@ -223,9 +223,7 @@ AST_MUTEX_DEFINE_STATIC(gmt_mutex);
** Thanks to Paul Eggert (eggert@twinsun.com) for noting this.
*/
static long
detzcode(codep)
const char * const codep;
static long detzcode(const char * const codep)
{
register long result;
register int i;
@@ -236,10 +234,7 @@ const char * const codep;
return result;
}
static int
tzload(name, sp)
register const char * name;
register struct state * const sp;
static int tzload(register const char *name, register struct state *const sp)
{
register const char * p;
register int i;
@@ -401,19 +396,14 @@ static const int year_lengths[2] = {
DAYSPERNYEAR, DAYSPERLYEAR
};
/*
** Given a pointer into a time zone string, extract a number from that string.
** Check that the number is within a specified range; if it is not, return
** NULL.
** Otherwise, return a pointer to the first character not part of the number.
/*! \brief
* Given a pointer into a time zone string, extract a number from that string.
* \return Check that the number is within a specified range; if it is not, return
* NULL.
* Otherwise, return a pointer to the first character not part of the number.
*/
static const char *
getnum(strp, nump, min, max)
register const char * strp;
int * const nump;
const int min;
const int max;
static const char *getnum(register const char *strp, int * const nump, const int min, const int max)
{
register char c;
register int num;
@@ -433,18 +423,15 @@ const int max;
return strp;
}
/*
** Given a pointer into a time zone string, extract a number of seconds,
** in hh[:mm[:ss]] form, from the string.
** If any error occurs, return NULL.
** Otherwise, return a pointer to the first character not part of the number
** of seconds.
/*! \brief
* Given a pointer into a time zone string, extract a number of seconds,
* in hh[:mm[:ss]] form, from the string.
* \return If any error occurs, return NULL.
* Otherwise, return a pointer to the first character not part of the number
* of seconds.
*/
static const char *
getsecs(strp, secsp)
register const char * strp;
long * const secsp;
static const char *getsecs(register const char *strp, long * const secsp)
{
int num;
@@ -476,17 +463,14 @@ long * const secsp;
return strp;
}
/*
** Given a pointer into a time zone string, extract an offset, in
** [+-]hh[:mm[:ss]] form, from the string.
** If any error occurs, return NULL.
** Otherwise, return a pointer to the first character not part of the time.
/*! \brief
* Given a pointer into a time zone string, extract an offset, in
* [+-]hh[:mm[:ss]] form, from the string.
* \return If any error occurs, return NULL.
* Otherwise, return a pointer to the first character not part of the time.
*/
static const char *
getoffset(strp, offsetp)
register const char * strp;
long * const offsetp;
static const char * getoffset(register const char *strp, long * const offsetp)
{
register int neg = 0;
@@ -503,17 +487,14 @@ long * const offsetp;
return strp;
}
/*
** Given a pointer into a time zone string, extract a rule in the form
** date[/time]. See POSIX section 8 for the format of "date" and "time".
** If a valid rule is not found, return NULL.
** Otherwise, return a pointer to the first character not part of the rule.
/*! \brief
* Given a pointer into a time zone string, extract a rule in the form
* date[/time]. See POSIX section 8 for the format of "date" and "time".
* \return If a valid rule is not found, return NULL.
* Otherwise, return a pointer to the first character not part of the rule.
*/
static const char *
getrule(strp, rulep)
const char * strp;
register struct rule * const rulep;
static const char *getrule(const char *strp, register struct rule * const rulep)
{
if (*strp == 'J') {
/*
@@ -558,14 +539,13 @@ register struct rule * const rulep;
return strp;
}
/*
** Given the Epoch-relative time of January 1, 00:00:00 GMT, in a year, the
** year, a rule, and the offset from GMT at the time that rule takes effect,
** calculate the Epoch-relative time that rule takes effect.
/*! \brief
* Given the Epoch-relative time of January 1, 00:00:00 GMT, in a year, the
* year, a rule, and the offset from GMT at the time that rule takes effect,
* calculate the Epoch-relative time that rule takes effect.
*/
static time_t
transtime(janfirst, year, rulep, offset)
static time_t transtime(janfirst, year, rulep, offset)
const time_t janfirst;
const int year;
register const struct rule * const rulep;

3
stdtime/test.c
View File

@@ -1,4 +1,5 @@
/* Testing localtime functionality */
/*! \file
\brief Testing localtime functionality */
#include "localtime.c"
#include <sys/time.h>

25
stdtime/tzfile.h
View File

@@ -2,18 +2,17 @@
#define TZFILE_H
/*
** This file is in the public domain, so clarified as of
** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov).
*/
/*
** This header is for use ONLY with the time conversion code.
** There is no guarantee that it will remain unchanged,
** or that it will remain at all.
** Do NOT copy it to any system include directory.
** Thank you!
*/
/*! \brief
* This file is in the public domain, so clarified as of
* 1996-06-05 by
* \author Arthur David Olson (arthur_david_olson@nih.gov).
*
* \note This header is for use ONLY with the time conversion code.
* There is no guarantee that it will remain unchanged,
* or that it will remain at all.
* Do NOT copy it to any system include directory.
* Thank you!
*/
/*
** ID
@@ -32,7 +31,7 @@ static char tzfilehid[] = "@(#)tzfile.h 7.14";
*/
#ifndef TZDIR
#define TZDIR "/usr/share/zoneinfo" /* Time zone object file directory */
#define TZDIR "/usr/share/zoneinfo" /*!< Time zone object file directory */
#endif /* !defined TZDIR */
#ifndef TZDEFAULT