icuSources/test/compat/tzdate.c

   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 hour, 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 hour, 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_timezone());
 139 }
 140