Patch from kre:
- fix missing/inconsistent abbreviations - set dst only if we are using localtime. - properly check for errors where there were missing checks - handle errno properly including saving and restoring.
This commit is contained in:
christos
parent
8098e1a571
commit
51dbeaccf4
@ -14,7 +14,7 @@
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#ifdef __RCSID
|
||||
__RCSID("$NetBSD: parsedate.y,v 1.20 2014/10/08 17:38:28 apb Exp $");
|
||||
__RCSID("$NetBSD: parsedate.y,v 1.21 2015/11/26 01:00:02 christos Exp $");
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
@ -39,7 +39,7 @@ __RCSID("$NetBSD: parsedate.y,v 1.20 2014/10/08 17:38:28 apb Exp $");
|
||||
as it solves. */
|
||||
|
||||
#define EPOCH 1970
|
||||
#define HOUR(x) ((time_t)(x) * 60)
|
||||
#define HOUR(x) ((time_t)((x) * 60))
|
||||
#define SECSPERDAY (24L * 60L * 60L)
|
||||
|
||||
#define USE_LOCAL_TIME 99999 /* special case for Convert() and yyTimezone */
|
||||
@ -400,16 +400,24 @@ static const TABLE MonthDayTable[] = {
|
||||
{ "november", tMONTH, 11 },
|
||||
{ "december", tMONTH, 12 },
|
||||
{ "sunday", tDAY, 0 },
|
||||
{ "su", tDAY, 0 },
|
||||
{ "monday", tDAY, 1 },
|
||||
{ "mo", tDAY, 1 },
|
||||
{ "tuesday", tDAY, 2 },
|
||||
{ "tues", tDAY, 2 },
|
||||
{ "tu", tDAY, 2 },
|
||||
{ "wednesday", tDAY, 3 },
|
||||
{ "wednes", tDAY, 3 },
|
||||
{ "weds", tDAY, 3 },
|
||||
{ "we", tDAY, 3 },
|
||||
{ "thursday", tDAY, 4 },
|
||||
{ "thur", tDAY, 4 },
|
||||
{ "thurs", tDAY, 4 },
|
||||
{ "thur", tDAY, 4 },
|
||||
{ "th", tDAY, 4 },
|
||||
{ "friday", tDAY, 5 },
|
||||
{ "fr", tDAY, 5 },
|
||||
{ "saturday", tDAY, 6 },
|
||||
{ "sa", tDAY, 6 },
|
||||
{ NULL, 0, 0 }
|
||||
};
|
||||
|
||||
@ -481,11 +489,9 @@ static const TABLE TimezoneTable[] = {
|
||||
{ "bst", tZONE, HOUR( 3) }, /* Brazil Standard */
|
||||
{ "gst", tZONE, HOUR( 3) }, /* Greenland Standard */
|
||||
#endif
|
||||
#if 0
|
||||
{ "nft", tZONE, HOUR(3.5) }, /* Newfoundland */
|
||||
{ "nst", tZONE, HOUR(3.5) }, /* Newfoundland Standard */
|
||||
{ "ndt", tDAYZONE, HOUR(3.5) }, /* Newfoundland Daylight */
|
||||
#endif
|
||||
{ "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */
|
||||
{ "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */
|
||||
{ "est", tZONE, HOUR( 5) }, /* Eastern Standard */
|
||||
@ -514,14 +520,10 @@ static const TABLE TimezoneTable[] = {
|
||||
{ "fst", tDAYZONE, -HOUR(1) }, /* French Summer */
|
||||
{ "eet", tZONE, -HOUR(2) }, /* Eastern Europe, USSR Zone 1 */
|
||||
{ "bt", tZONE, -HOUR(3) }, /* Baghdad, USSR Zone 2 */
|
||||
#if 0
|
||||
{ "it", tZONE, -HOUR(3.5) },/* Iran */
|
||||
#endif
|
||||
{ "zp4", tZONE, -HOUR(4) }, /* USSR Zone 3 */
|
||||
{ "zp5", tZONE, -HOUR(5) }, /* USSR Zone 4 */
|
||||
#if 0
|
||||
{ "ist", tZONE, -HOUR(5.5) },/* Indian Standard */
|
||||
#endif
|
||||
{ "zp6", tZONE, -HOUR(6) }, /* USSR Zone 5 */
|
||||
#if 0
|
||||
/* For completeness. NST is also Newfoundland Stanard, and SST is
|
||||
@ -530,18 +532,25 @@ static const TABLE TimezoneTable[] = {
|
||||
{ "sst", tZONE, -HOUR(7) }, /* South Sumatra, USSR Zone 6 */
|
||||
#endif /* 0 */
|
||||
{ "wast", tZONE, -HOUR(7) }, /* West Australian Standard */
|
||||
{ "awst", tZONE, -HOUR(7) }, /* West Australian Standard */
|
||||
{ "wadt", tDAYZONE, -HOUR(7) }, /* West Australian Daylight */
|
||||
#if 0
|
||||
{ "awdt", tDAYZONE, -HOUR(7) }, /* West Australian Daylight */
|
||||
{ "ict", tZONE, -HOUR(7) }, /* Indo China Time (Thai) */
|
||||
#if 0 /* this one looks to be bogus */
|
||||
{ "jt", tZONE, -HOUR(7.5) },/* Java (3pm in Cronusland!) */
|
||||
#endif
|
||||
{ "cct", tZONE, -HOUR(8) }, /* China Coast, USSR Zone 7 */
|
||||
{ "sgt", tZONE, -HOUR(8) }, /* Singapore */
|
||||
{ "hkt", tZONE, -HOUR(8) }, /* Hong Kong */
|
||||
{ "jst", tZONE, -HOUR(9) }, /* Japan Standard, USSR Zone 8 */
|
||||
#if 0
|
||||
{ "cast", tZONE, -HOUR(9.5) },/* Central Australian Standard */
|
||||
{ "acst", tZONE, -HOUR(9.5) },/* Central Australian Standard */
|
||||
{ "cadt", tDAYZONE, -HOUR(9.5) },/* Central Australian Daylight */
|
||||
#endif
|
||||
{ "acdt", tDAYZONE, -HOUR(9.5) },/* Central Australian Daylight */
|
||||
{ "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */
|
||||
{ "aest", tZONE, -HOUR(10) }, /* Eastern Australian Standard */
|
||||
{ "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */
|
||||
{ "aedt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */
|
||||
{ "gst", tZONE, -HOUR(10) }, /* Guam Standard, USSR Zone 9 */
|
||||
{ "nzt", tZONE, -HOUR(12) }, /* New Zealand */
|
||||
{ "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */
|
||||
@ -634,18 +643,23 @@ Convert(
|
||||
tm.tm_mday = Day;
|
||||
tm.tm_mon = Month - 1;
|
||||
tm.tm_year = Year - 1900;
|
||||
if (Timezone == USE_LOCAL_TIME) {
|
||||
switch (DSTmode) {
|
||||
case DSTon: tm.tm_isdst = 1; break;
|
||||
case DSToff: tm.tm_isdst = 0; break;
|
||||
default: tm.tm_isdst = -1; break;
|
||||
}
|
||||
|
||||
if (Timezone == USE_LOCAL_TIME) {
|
||||
result = mktime(&tm);
|
||||
} else {
|
||||
/* We rely on mktime_z(NULL, ...) working in UTC */
|
||||
tm.tm_isdst = 0; /* hence cannot be summer time */
|
||||
errno = 0;
|
||||
result = mktime_z(NULL, &tm);
|
||||
if (result != -1 || errno == 0) {
|
||||
result += Timezone * 60;
|
||||
if (DSTmode == DSTon) /* if specified sumer time */
|
||||
result -= 3600; /* UTC is 1 hour earlier XXX */
|
||||
}
|
||||
}
|
||||
|
||||
#if PARSEDATE_DEBUG
|
||||
@ -697,6 +711,8 @@ RelativeDate(
|
||||
|
||||
now = Start;
|
||||
tm = localtime(&now);
|
||||
if (tm == NULL)
|
||||
return -1;
|
||||
now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
|
||||
now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
|
||||
return DSTcorrect(Start, now);
|
||||
@ -959,6 +975,7 @@ parsedate(const char *p, const time_t *now, const int *zone)
|
||||
param.yyYear = AdjustYear(param.yyYear);
|
||||
param.yyHaveFullYear = 1;
|
||||
}
|
||||
errno = 0;
|
||||
Start = Convert(param.yyMonth, param.yyDay, param.yyYear, param.yyHour,
|
||||
param.yyMinutes, param.yySeconds, param.yyTimezone,
|
||||
param.yyMeridian, param.yyDSTmode);
|
||||
@ -972,17 +989,20 @@ parsedate(const char *p, const time_t *now, const int *zone)
|
||||
}
|
||||
|
||||
Start += param.yyRelSeconds;
|
||||
errno = 0;
|
||||
rm = RelativeMonth(Start, param.yyRelMonth, param.yyTimezone);
|
||||
if (rm == -1 && errno != 0)
|
||||
return -1;
|
||||
Start += rm;
|
||||
|
||||
if (param.yyHaveDay && !param.yyHaveDate) {
|
||||
errno = 0;
|
||||
tod = RelativeDate(Start, param.yyDayOrdinal, param.yyDayNumber);
|
||||
if (tod == -1 && errno != 0)
|
||||
return -1;
|
||||
Start += tod;
|
||||
}
|
||||
|
||||
if (errno == 0)
|
||||
errno = saved_errno;
|
||||
return Start;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user