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Merge bk-internal.mysql.com:/home/bk/mysql-4.1

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into brandersnatch.localdomain:/home/dlenev/src/mysql-4.1-tz-cleanup
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unknown
2004-06-22 03:14:50 +04:00
parent 06c845eeb6 877ffa01d9
commit 4b5c2cfa0a
1 changed files with 39 additions and 38 deletions
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77
sql/tztime.cc
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@@ -36,19 +36,21 @@
*/
#if defined(TZINFO2SQL) || defined(TESTTIME)
#define ABBR_ARE_USED
#endif
/* For debug purposes only */
#else
#if !defined(DBUG_OFF)
/* Let use abbreviations for debug purposes */
#undef ABBR_ARE_USED
#define ABBR_ARE_USED
#endif /* !defined(DBUG_OFF) */
#endif /* defined(TZINFO2SQL) || defined(TESTTIME) */
/* Structure describing local time type (e.g. Moscow summer time (MSD)) */
typedef struct ttinfo
{
long tt_gmtoff; // Offset from UTC in seconds
int tt_isdst; // Is daylight saving time or not. Used to set tm_isdst
uint tt_isdst; // Is daylight saving time or not. Used to set tm_isdst
#ifdef ABBR_ARE_USED
int tt_abbrind; // Index of start of abbreviation for this time type.
uint tt_abbrind; // Index of start of abbreviation for this time type.
#endif
/*
We don't use tt_ttisstd and tt_ttisgmt members of original elsie-code struct
@@ -71,7 +73,7 @@ typedef struct lsinfo
typedef struct revtinfo
{
long rt_offset; // Offset of local time from UTC in seconds
int rt_type; // Type of period 0 - Normal period. 1 - Spring time-gap
uint rt_type; // Type of period 0 - Normal period. 1 - Spring time-gap
} REVT_INFO;
#ifdef TZNAME_MAX
@@ -87,11 +89,11 @@ typedef struct revtinfo
*/
typedef struct st_time_zone_info
{
int leapcnt; // Number of leap-second corrections
int timecnt; // Number of transitions between time types
int typecnt; // Number of local time types
int charcnt; // Number of characters used for abbreviations
int revcnt; // Number of transition descr. for TIME->my_time_t conversion
uint leapcnt; // Number of leap-second corrections
uint timecnt; // Number of transitions between time types
uint typecnt; // Number of local time types
uint charcnt; // Number of characters used for abbreviations
uint revcnt; // Number of transition descr. for TIME->my_time_t conversion
/* The following are dynamical arrays are allocated in MEM_ROOT */
my_time_t *ats; // Times of transitions between time types
unsigned char *types; // Local time types for transitions
@@ -142,13 +144,13 @@ static my_bool
tz_load(const char *name, TIME_ZONE_INFO *sp, MEM_ROOT *storage)
{
char *p;
int i;
int read_from_file;
uint i;
FILE *file;
if (!(file= my_fopen(name, O_RDONLY|O_BINARY, MYF(MY_WME))))
return 1;
{
struct tzhead *tzhp;
union
{
struct tzhead tzhead;
@@ -159,16 +161,16 @@ tz_load(const char *name, TIME_ZONE_INFO *sp, MEM_ROOT *storage)
#endif
sizeof(LS_INFO) * TZ_MAX_LEAPS];
} u;
int ttisstdcnt;
int ttisgmtcnt;
uint ttisstdcnt;
uint ttisgmtcnt;
char *tzinfo_buf;
i= my_fread(file, u.buf, sizeof(u.buf), MYF(MY_WME));
read_from_file= my_fread(file, u.buf, sizeof(u.buf), MYF(MY_WME));
if (my_fclose(file, MYF(MY_WME)) != 0)
return 1;
if (i < (int)sizeof(struct tzhead))
if (read_from_file < (int)sizeof(struct tzhead))
return 1;
ttisstdcnt= int4net(u.tzhead.tzh_ttisgmtcnt);
@@ -178,14 +180,15 @@ tz_load(const char *name, TIME_ZONE_INFO *sp, MEM_ROOT *storage)
sp->typecnt= int4net(u.tzhead.tzh_typecnt);
sp->charcnt= int4net(u.tzhead.tzh_charcnt);
p= u.tzhead.tzh_charcnt + sizeof u.tzhead.tzh_charcnt;
if (sp->leapcnt < 0 || sp->leapcnt > TZ_MAX_LEAPS ||
sp->typecnt <= 0 || sp->typecnt > TZ_MAX_TYPES ||
sp->timecnt < 0 || sp->timecnt > TZ_MAX_TIMES ||
sp->charcnt < 0 || sp->charcnt > TZ_MAX_CHARS ||
if (sp->leapcnt > TZ_MAX_LEAPS ||
sp->typecnt == 0 || sp->typecnt > TZ_MAX_TYPES ||
sp->timecnt > TZ_MAX_TIMES ||
sp->charcnt > TZ_MAX_CHARS ||
(ttisstdcnt != sp->typecnt && ttisstdcnt != 0) ||
(ttisgmtcnt != sp->typecnt && ttisgmtcnt != 0))
return 1;
if (i - (p - u.buf) < sp->timecnt * 4 + /* ats */
if ((uint)(read_from_file - (p - u.buf)) <
sp->timecnt * 4 + /* ats */
sp->timecnt + /* types */
sp->typecnt * (4 + 2) + /* ttinfos */
sp->charcnt + /* chars */
@@ -238,8 +241,7 @@ tz_load(const char *name, TIME_ZONE_INFO *sp, MEM_ROOT *storage)
if (ttisp->tt_isdst != 0 && ttisp->tt_isdst != 1)
return 1;
ttisp->tt_abbrind= (unsigned char) *p++;
if (ttisp->tt_abbrind < 0 ||
ttisp->tt_abbrind > sp->charcnt)
if (ttisp->tt_abbrind > sp->charcnt)
return 1;
}
for (i= 0; i < sp->charcnt; i++)
@@ -305,8 +307,8 @@ prepare_tz_info(TIME_ZONE_INFO *sp, MEM_ROOT *storage)
my_time_t cur_l, end_t, end_l;
my_time_t cur_max_seen_l= MY_TIME_T_MIN;
long cur_offset, cur_corr, cur_off_and_corr;
int next_trans_idx, next_leap_idx;
int i;
uint next_trans_idx, next_leap_idx;
uint i;
/*
Temporary arrays where we will store tables. Needed because
we don't know table sizes ahead. (Well we can estimate their
@@ -1250,8 +1252,8 @@ private:
Time_zone_offset::Time_zone_offset(long tz_offset_arg):
offset(tz_offset_arg)
{
uint hours= abs(offset / SECS_PER_HOUR);
uint minutes= abs(offset % SECS_PER_HOUR / SECS_PER_MIN);
uint hours= abs((int)(offset / SECS_PER_HOUR));
uint minutes= abs((int)(offset % SECS_PER_HOUR / SECS_PER_MIN));
ulong length= my_snprintf(name_buff, sizeof(name_buff), "%s%02d:%02d",
(offset>=0) ? "+" : "-", hours, minutes);
name.set(name_buff, length, &my_charset_latin1);
@@ -1630,7 +1632,6 @@ tz_load_from_db(THD *thd, const String *tz_name)
Time_zone *return_val= 0;
int res;
uint tzid, ttid;
bool uses_leap_seconds;
my_time_t ttime;
char buff[MAX_FIELD_WIDTH];
String abbr(buff, sizeof(buff), &my_charset_latin1);
@@ -2114,7 +2115,7 @@ my_tz_find(THD *thd, const String * name)
name->length())))
result_tz= tmp_tzname->tz;
else
result_tz= tz_load_from_db(current_thd, name);
result_tz= tz_load_from_db(thd, name);
}
VOID(pthread_mutex_unlock(&tz_LOCK));
@@ -2396,7 +2397,7 @@ main(int argc, char **argv)
TIME_ZONE_INFO tz_info;
struct tm tmp;
TIME time_tmp;
my_time_t t, t1, t2;
time_t t, t1, t2;
char fullname[FN_REFLEN+1];
char *str_end;
long not_used;
@@ -2451,11 +2452,11 @@ main(int argc, char **argv)
tmp.tm_hour= 0; tmp.tm_min= 30; tmp.tm_sec= 0; tmp.tm_isdst= 1;
mktime(&tmp);
tmp.tm_hour= 2; tmp.tm_isdst= -1;
t=mktime(&tmp);
t= mktime(&tmp);
tmp.tm_hour= 4; tmp.tm_isdst= 0;
mktime(&tmp);
tmp.tm_hour= 2; tmp.tm_isdst= -1;
t1=mktime(&tmp);
t1= mktime(&tmp);
printf("mktime is %s (%d %d)\n",
(t == t1 ? "determenistic" : "is non-determenistic"),
(int)t, (int)t1);
@@ -2477,8 +2478,8 @@ main(int argc, char **argv)
{
for (t= -40000; t < 20000; t++)
{
localtime_r(&t,&tmp);
gmt_sec_to_TIME(&time_tmp, t, &tz_info);
localtime_r(&t, &tmp);
gmt_sec_to_TIME(&time_tmp, (my_time_t)t, &tz_info);
if (!is_equal_TIME_tm(&time_tmp, &tmp))
{
printf("Problem with negative time_t = %d\n", (int)t);
@@ -2492,7 +2493,7 @@ main(int argc, char **argv)
for (t= 1000000000; t < 1100000000; t+= 13)
{
localtime_r(&t,&tmp);
gmt_sec_to_TIME(&time_tmp, t, &tz_info);
gmt_sec_to_TIME(&time_tmp, (my_time_t)t, &tz_info);
if (!is_equal_TIME_tm(&time_tmp, &tmp))
{
@@ -2518,8 +2519,8 @@ main(int argc, char **argv)
for (time_tmp.minute= 0; time_tmp.minute < 60; time_tmp.minute+= 5)
for (time_tmp.second=0; time_tmp.second<60; time_tmp.second+=25)
{
t= my_system_gmt_sec(&time_tmp, &not_used, &not_used_2);
t1= TIME_to_gmt_sec(&time_tmp, &tz_info, &not_used_2);
t= (time_t)my_system_gmt_sec(&time_tmp, &not_used, &not_used_2);
t1= (time_t)TIME_to_gmt_sec(&time_tmp, &tz_info, &not_used_2);
if (t != t1)
{
/*