/usr/share/GNUstep/Libraries/gnustep-base/Versions/1.24/Resources/NSTimeZones/create-regions.m is in gnustep-base-common 1.24.7-1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | /* create-regions.m - Utility to create a list of time zones and their
associated latitudinal region.
Copyright (C) 1997 Free Software Foundation, Inc.
This 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 of the License, or (at your option) any later version.
This 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
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02111 USA.
*/
#include <stdio.h>
#include <Foundation/NSArray.h>
#include <Foundation/NSAutoreleasePool.h>
#include <Foundation/NSException.h>
#include <Foundation/NSDate.h>
#include <Foundation/NSTimeZone.h>
#define HOURSECS (60*60) /* Seconds in 1 hour. */
#define DAYSECS (HOURSECS*24) /* Seconds in 24 hours. */
#define N (360/15) /* Each latitudinal region is separated by 15 degrees */
int
main (int argc, char *argv[])
{
int i;
id pool, name, zone;
id zones[N];
pool = [NSAutoreleasePool new];
for (i = 0; i < N; i++)
zones[i] = nil;
/* Obtain the regions for each latitudinal region. */
for (i = 1; i < argc; i++)
{
name = [NSString stringWithUTF8String: argv[i]];
zone = [NSTimeZone timeZoneWithName: name];
if (zone != nil)
{
int offset, index;
id details, detail, e;
details = [zone timeZoneDetailArray];
/* Get a standard time. */
e = [details objectEnumerator];
while ((detail = [e nextObject]) != nil)
{
if (![detail isDaylightSavingTimeZone])
break;
}
if (detail == nil)
/* If no standard time. */
detail = [details objectAtIndex: 0];
offset = [detail timeZoneSecondsFromGMT];
/* Get index from normalized offset */
index = ((offset+DAYSECS)%DAYSECS)/HOURSECS;
if (zones[index] == nil)
zones[index] = [NSMutableArray array];
[zones[index] addObject: [zone timeZoneName]];
}
}
/* Write regions to file. */
for (i = 0; i < N; i++)
{
id e, name;
if (zones[i] != nil)
{
e = [zones[i] objectEnumerator];
while ((name = [e nextObject]) != nil)
printf("%d %s\n", i, [name UTF8String]);
}
}
[pool release];
return 0;
}
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