Axel Dörfler
17049c451a
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@11909 a95241bf-73f2-0310-859d-f6bbb57e9c96
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*
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* Copyright 2004, Jérôme Duval, [email protected].
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* Distributed under the terms of the MIT License.
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*/
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#include <FindDirectory.h>
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#include <stdio.h>
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#include <string.h>
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#include <OS.h>
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#ifdef COMPILE_FOR_R5
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void _kset_tzfilename_(const char *name, size_t length, bool isGMT);
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void _kset_tzspecs_(uint32 timezone_offset, bool dst_observed);
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# define _kern_set_tzfilename _kset_tzfilename_
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# define _kern_set_timezone _kset_tzspecs_
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#else
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# include <syscalls.h>
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#endif
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int
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main(int argc, char **argv)
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{
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char path[B_PATH_NAME_LENGTH];
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char link[B_PATH_NAME_LENGTH];
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FILE *file;
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bool isGMT = false;
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struct tm* tm = NULL;
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time_t t;
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printf("Looking for RTC settings file\n");
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if (find_directory(B_USER_SETTINGS_DIRECTORY, -1, true, path, B_PATH_NAME_LENGTH) != B_OK) {
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fprintf(stderr, "%s: can't find settings directory\n", argv[0]);
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exit(1);
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}
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strcat(path, "/RTC_time_settings");
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file = fopen(path, "r");
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if (file != NULL) {
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char string[10];
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fscanf(file, "%s", string);
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isGMT = (strncmp(string, "local", 5) != 0);
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fclose(file);
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} else {
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fprintf(stderr, "%s: can't read RTC settings\n", argv[0]);
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printf("%s: No knowledge about contents of RTC\n", argv[0]);
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// we don't care if not RTC settings is found, default is local
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}
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printf("%s: RTC stores %s time.\n", argv[0], isGMT ? "GMT" : "local" );
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if (find_directory(B_USER_SETTINGS_DIRECTORY, -1, true, path, B_PATH_NAME_LENGTH) != B_OK) {
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fprintf(stderr, "can't find settings directory\n");
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return 1;
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}
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strcat(path, "/timezone");
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printf("Looking for %s file\n", path);
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if (readlink(path, link, B_PATH_NAME_LENGTH) > 0) {
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printf("%s: Setting timezone to '%s'\n", argv[0], link);
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_kern_set_tzfilename(link, strlen(link), isGMT);
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tzset();
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time(&t);
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tm = localtime(&t);
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_kern_set_timezone(tm->tm_gmtoff, tm->tm_isdst);
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} else {
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fprintf(stderr, "%s: can't read link for timezone\n", argv[0]);
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printf("%s: No timezone setting.\n", argv[0]);
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}
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return 0;
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}
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