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Fill in StandardName field in struct returned from GetTimeZoneInformation.

This commit is contained in:
James Hatheway 2001-04-09 18:45:49 +00:00 committed by Alexandre Julliard
parent 7e4741d1fd
commit a9f8997f49
1 changed files with 239 additions and 1 deletions
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240
dlls/kernel/time.c
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@ -13,6 +13,7 @@
#include "ntddk.h"
#include "winerror.h"
#include "winnls.h"
#include "wine/unicode.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(win32);
@ -20,6 +21,240 @@ DEFAULT_DEBUG_CHANNEL(win32);
/* maximum time adjustment in seconds for SetLocalTime and SetSystemTime */
#define SETTIME_MAX_ADJUST 120
/* This structure is used to store strings that represent all of the time zones
in the world. (This is used to help GetTimeZoneInformation)
*/
struct tagTZ_INFO
{
const char *psTZFromUnix;
WCHAR psTZWindows[32];
int bias;
int dst;
};
static const struct tagTZ_INFO TZ_INFO[] =
{
{"MHT",
{'D','a','t','e','l','i','n','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-720, 0},
{"SST",
{'S','a','m','o','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
660, 0},
{"HST",
{'H','a','w','a','i','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
600, 0},
{"AKDT",
{'A','l','a','s','k','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
480, 1},
{"PDT",
{'P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
420, 1},
{"MST",
{'U','S',' ','M','o','u','n','t','a','i','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
420, 0},
{"MDT",
{'M','o','u','n','t','a','i','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
360, 1},
{"CST",
{'C','e','n','t','r','a','l',' ','A','m','e','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
360, 0},
{"CDT",
{'C','e','n','t','r','a','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
300, 1},
{"COT",
{'S','A',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
300, 0},
{"EDT",
{'E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
240, 1},
{"EST",
{'U','S',' ','E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
300, 0},
{"ADT",
{'A','t','l','a','n','t','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
180, 1},
{"VET",
{'S','A',' ','W','e','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
240, 0},
{"CLT",
{'P','a','c','i','f','i','c',' ','S','A',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
240, 0},
{"NDT",
{'N','e','w','f','o','u','n','d','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
150, 1},
{"BRT",
{'E','.',' ','S','o','u','t','h',' ','A','m','e','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
180, 0},
{"ART",
{'S','A',' ','E','a','s','t','e','r','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
180, 0},
{"WGST",
{'G','r','e','e','n','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
120, 1},
{"GST",
{'M','i','d','-','A','t','l','a','n','t','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
120, 0},
{"AZOST",
{'A','z','o','r','e','s',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
0, 1},
{"CVT",
{'C','a','p','e',' ','V','e','r','d','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
60, 0},
{"WET",
{'G','r','e','e','n','w','i','c','h',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
0, 0},
{"BST",
{'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-60, 1},
{"GMT",
{'G','M','T',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
0, 0},
{"CEST",
{'C','e','n','t','r','a','l',' ','E','u','r','o','p','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-120, 1},
{"WAT",
{'W','.',' ','C','e','n','t','r','a','l',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-60, 0},
{"EEST",
{'E','.',' ','E','u','r','o','p','e',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-180, 1},
{"EET",
{'E','g','y','p','t',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-120, 0},
{"CAT",
{'S','o','u','t','h',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-120, 0},
{"IST",
{'I','s','r','a','e','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-120, 0},
{"ADT",
{'A','r','a','b','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-240, 1},
{"AST",
{'A','r','a','b',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-180, 0},
{"MSD",
{'R','u','s','s','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-240, 1},
{"EAT",
{'E','.',' ','A','f','r','i','c','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-180, 0},
{"IRST",
{'I','r','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-270, 1},
{"GST",
{'A','r','a','b','i','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-240, 0},
{"AZST",
{'C','a','u','c','a','s','u','s',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-300, 1},
{"AFT",
{'A','f','g','h','a','n','i','s','t','a','n',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-270, 0},
{"YEKST",
{'E','k','a','t','e','r','i','n','b','u','r','g',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-360, 1},
{"PKT",
{'W','e','s','t',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-300, 0},
{"IST",
{'I','n','d','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-330, 0},
{"NPT",
{'N','e','p','a','l',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-345, 0},
{"ALMST",
{'N','.',' ','C','e','n','t','r','a','l',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-420, 1},
{"BDT",
{'C','e','n','t','r','a','l',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-360, 0},
{"LKT",
{'S','r','i',' ','L','a','n','k','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-360, 0},
{"MMT",
{'M','y','a','n','m','a','r',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-390, 0},
{"ICT",
{'S','E',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-420, 0},
{"KRAST",
{'N','o','r','t','h',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-480, 1},
{"CST",
{'C','h','i','n','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-480, 0},
{"IRKST",
{'N','o','r','t','h',' ','A','s','i','a',' ','E','a','s','t',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-540, 1},
{"SGT",
{'M','a','l','a','y',' ','P','e','n','i','n','s','u','l','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-480, 0},
{"WST",
{'W','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-480, 0},
{"JST",
{'T','o','k','y','o',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-540, 0},
{"KST",
{'K','o','r','e','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-540, 0},
{"YAKST",
{'Y','a','k','u','t','s','k',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-600, 1},
{"CST",
{'C','e','n','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-570, 0},
{"EST",
{'E','.',' ','A','u','s','t','r','a','l','i','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-600, 0},
{"GST",
{'W','e','s','t',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-600, 0},
{"VLAST",
{'V','l','a','d','i','v','o','s','t','o','k',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-660, 1},
{"MAGST",
{'C','e','n','t','r','a','l',' ','P','a','c','i','f','i','c',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-720, 1},
{"NZST",
{'N','e','w',' ','Z','e','a','l','a','n','d',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-720, 0},
{"FJT",
{'F','i','j','i',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-720, 0},
{"TOT",
{'T','o','n','g','a',' ','S','t','a','n','d','a','r','d',' ','T','i','m','e','\0'},
-780, 0}
};
/* TIME_GetTZAsStr: helper function that returns the given timezone as a string.
This could be done with a hash table instead of merely iterating through
a table, however with the small amount of entries (60 or so) I didn't think
it was worth it. */
static const WCHAR* TIME_GetTZAsStr (time_t utc, int bias, int dst)
{
char psTZName[7];
struct tm *ptm = localtime(&utc);
int i;
if (!strftime (psTZName, 7, "%Z", ptm))
return (NULL);
for (i=0; i<(sizeof(TZ_INFO) / sizeof(struct tagTZ_INFO)); i++)
{
if ( strcmp(TZ_INFO[i].psTZFromUnix, psTZName) == 0 &&
TZ_INFO[i].bias == bias &&
TZ_INFO[i].dst == dst
)
return TZ_INFO[i].psTZWindows;
}
return (NULL);
}
/* TIME_GetBias: helper function calculates delta local time from UTC */
static int TIME_GetBias( time_t utc, int *pdaylight)
{
@ -187,6 +422,8 @@ DWORD WINAPI GetTimeZoneInformation(
{
time_t gmt;
int bias, daylight;
const WCHAR *psTZ;
memset(tzinfo, 0, sizeof(TIME_ZONE_INFORMATION));
@ -196,7 +433,8 @@ DWORD WINAPI GetTimeZoneInformation(
tzinfo->Bias = -bias / 60;
tzinfo->StandardBias = 0;
tzinfo->DaylightBias = -60;
psTZ = TIME_GetTZAsStr (gmt, (-bias/60), daylight);
if (psTZ) strcpyW( tzinfo->StandardName, psTZ );
return TIME_ZONE_ID_STANDARD;
}