5 A Linux/Unix toolset and driver for Nokia mobile phones.
7 Released under the terms of the GNU GPL, see file COPYING for more details.
15 #include "gsm-datetime.h"
16 #include "gsm-common.h"
20 /* Based on article in Polish PC-Kurier 8/1998 page 104 */
21 /* Archive on http://www.pckurier.pl */
22 char *DayOfWeek (int year, int month, int day) {
28 w=(day+(31*q) / 12 + r + r / 4 - r / 100 + r / 400) % 7;
29 strcpy(&DayOfWeekChar,"");
31 case 0: strcpy(&DayOfWeekChar,"Sun"); break;
32 case 1: strcpy(&DayOfWeekChar,"Mon"); break;
33 case 2: strcpy(&DayOfWeekChar,"Tue"); break;
34 case 3: strcpy(&DayOfWeekChar,"Wed"); break;
35 case 4: strcpy(&DayOfWeekChar,"Thu"); break;
36 case 5: strcpy(&DayOfWeekChar,"Fri"); break;
37 case 6: strcpy(&DayOfWeekChar,"Sat"); break;
39 return &DayOfWeekChar;
42 /* GetMachineDateTime ----------------------------------------------------------
43 Purpose: Gets system date and time.
46 Output: date - System date in the format "aaaa-mm-gg".
47 time - System time in the format "hh:mm:ss".
49 ----------------------------------------------------------------------------- */
50 void GetMachineDateTime( char nowdate[], char nowtime[] )
58 /* I have 100 (for 2000) Year now :-) */
59 if (now->tm_year>99 && now->tm_year<1900) {
60 now->tm_year=now->tm_year+1900;
63 sprintf(nowdate,"%04d-%02d-%02d",now->tm_year,now->tm_mon+1,now->tm_mday);
64 sprintf(nowtime, "%02d:%02d:%02d",now->tm_hour,now->tm_min,now->tm_sec);
68 void EncodeDateTime(unsigned char* buffer, GSM_DateTime *datetime)
70 buffer[0] = datetime->Year / 256;
71 buffer[1] = datetime->Year % 256;
72 buffer[2] = datetime->Month;
73 buffer[3] = datetime->Day;
75 buffer[4] = datetime->Hour;
76 buffer[5] = datetime->Minute;
79 void DecodeDateTime(unsigned char* buffer, GSM_DateTime *datetime)
81 datetime->Year = buffer[0] * 256 + buffer[1];
82 datetime->Month = buffer[2];
83 datetime->Day = buffer[3];
85 datetime->Hour = buffer[4];
86 datetime->Minute = buffer[5];
87 datetime->Second = buffer[6];