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| 1 /* | |
| 2 ********************************************************************** | |
| 3 * Copyright (C) 2007-2007, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ********************************************************************** | |
| 6 * | |
| 7 * File tzdate.c | |
| 8 * | |
| 9 * Author: Michael Ow | |
| 10 * | |
| 11 ********************************************************************** | |
| 12 */ | |
| 13 | |
| 14 #include <stdlib.h> | |
| 15 #include <stdio.h> | |
| 16 #include <time.h> | |
| 17 #include <string.h> | |
| 18 | |
| 19 #include "unicode/utypes.h" | |
| 20 #include "unicode/ustring.h" | |
| 21 #include "unicode/uclean.h" | |
| 22 | |
| 23 #include "unicode/ucnv.h" | |
| 24 #include "unicode/udat.h" | |
| 25 #include "unicode/ucal.h" | |
| 26 | |
| 27 #include "putilimp.h" | |
| 28 | |
| 29 #define SIZE 80 | |
| 30 #define OFFSET_MONTH 1 | |
| 31 | |
| 32 int64_t getSystemCurrentTime(char* systime, int year, int month, int day, int ho
ur, int minute, int useCurrentTime); | |
| 33 void getICUCurrentTime(char* icutime, double timeToCheck); | |
| 34 void printTime(char* systime, char* icutime); | |
| 35 | |
| 36 int main(int argc, char** argv) { | |
| 37 char systime[SIZE]; | |
| 38 char icutime[SIZE]; | |
| 39 int year, month, day, hour, minute; | |
| 40 int sysyear; | |
| 41 int useCurrentTime; | |
| 42 int64_t systemtime; | |
| 43 | |
| 44 sysyear = year = month = day = 0; | |
| 45 | |
| 46 if (argc <= 6) { | |
| 47 fprintf(stderr, "Not enough arguments\n"); | |
| 48 return -1; | |
| 49 } | |
| 50 | |
| 51 year = atoi(argv[1]); | |
| 52 month = atoi(argv[2]); | |
| 53 day = atoi(argv[3]); | |
| 54 hour = atoi(argv[4]); | |
| 55 minute = atoi(argv[5]); | |
| 56 useCurrentTime = atoi(argv[6]); | |
| 57 | |
| 58 /* format year for system time */ | |
| 59 sysyear = year - 1900; | |
| 60 | |
| 61 systemtime = getSystemCurrentTime(systime, sysyear, month, day, hour, minute
, useCurrentTime); | |
| 62 getICUCurrentTime(icutime, systemtime * U_MILLIS_PER_SECOND); | |
| 63 | |
| 64 /* print out the times if failed */ | |
| 65 if (strcmp(systime, icutime) != 0) { | |
| 66 printf("Failed\n"); | |
| 67 printTime(systime, icutime); | |
| 68 } | |
| 69 | |
| 70 return 0; | |
| 71 } | |
| 72 | |
| 73 void getICUCurrentTime(char* icutime, double timeToCheck) { | |
| 74 UDateFormat *fmt; | |
| 75 const UChar *tz = 0; | |
| 76 UChar *s = 0; | |
| 77 UDateFormatStyle style = UDAT_RELATIVE; | |
| 78 UErrorCode status = U_ZERO_ERROR; | |
| 79 int32_t len = 0; | |
| 80 int i; | |
| 81 | |
| 82 fmt = udat_open(style, style, 0, tz, -1,NULL,0, &status); | |
| 83 | |
| 84 len = udat_format(fmt, timeToCheck, 0, len, 0, &status); | |
| 85 | |
| 86 if (status == U_BUFFER_OVERFLOW_ERROR) | |
| 87 status = U_ZERO_ERROR; | |
| 88 | |
| 89 s = (UChar*) malloc(sizeof(UChar) * (len+1)); | |
| 90 | |
| 91 if(s == 0) | |
| 92 goto finish; | |
| 93 | |
| 94 udat_format(fmt, timeToCheck, s, len + 1, 0, &status); | |
| 95 | |
| 96 if (U_FAILURE(status)) | |
| 97 goto finish; | |
| 98 | |
| 99 /* +1 to NULL terminate */ | |
| 100 for(i = 0; i < len+1; i++) { | |
| 101 icutime[i] = (char)s[i]; | |
| 102 } | |
| 103 | |
| 104 finish: | |
| 105 udat_close(fmt); | |
| 106 free(s); | |
| 107 } | |
| 108 | |
| 109 int64_t getSystemCurrentTime(char* systime, int year, int month, int day, int ho
ur, int minute, int useCurrentTime) { | |
| 110 time_t now; | |
| 111 struct tm ts; | |
| 112 | |
| 113 if (useCurrentTime){ | |
| 114 time(&now); | |
| 115 ts = *localtime(&now); | |
| 116 } | |
| 117 else { | |
| 118 memset(&ts, 0, sizeof(ts)); | |
| 119 ts.tm_year = year; | |
| 120 ts.tm_mon = month - OFFSET_MONTH; | |
| 121 ts.tm_mday = day; | |
| 122 ts.tm_hour = hour; | |
| 123 ts.tm_min = minute; | |
| 124 | |
| 125 now = mktime(&ts); | |
| 126 ts = *localtime(&now); | |
| 127 } | |
| 128 | |
| 129 /* Format the string */ | |
| 130 strftime(systime, sizeof(char) * 80, "%Y%m%d %I:%M %p", &ts); | |
| 131 | |
| 132 return (double)now; | |
| 133 } | |
| 134 | |
| 135 void printTime(char* systime, char* icutime) { | |
| 136 printf("System Time: %s\n", systime); | |
| 137 printf("ICU Time: %s\n", icutime); | |
| 138 printf("STD=%s DST=%s OFFSET=%d\n", uprv_tzname(0), uprv_tzname(1), uprv_tim
ezone()); | |
| 139 } | |
| 140 | |
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