1 /*
2
3 This program generates the "times.h" file with the zulu-times of the first of
4 every month of a decade.
5
6 */
7 /****************************************************************
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 ****************************************************************/
23
24 #include <time.h>
25 #include <stdio.h>
26
27 static time_t GetDay(int D,int M,int Y)
28 {
29 struct tm TM;
30
31 TM.tm_sec = 0;
32 TM.tm_min = 0;
33 TM.tm_hour = 0;
34 TM.tm_mday = D;
35 TM.tm_mon = M;
36 TM.tm_wday = 0;
37 TM.tm_yday = 0;
38 TM.tm_year = Y-1900;
39 TM.tm_isdst = 0;
40
41 return mktime(&TM);
42
43 }
44 static int WeekGetDay(int D,int M,int Y)
45 {
46 struct tm TM;
47
48 TM.tm_sec = 0;
49 TM.tm_min = 0;
50 TM.tm_hour = 0;
51 TM.tm_mday = D;
52 TM.tm_mon = M;
53 TM.tm_year = Y-1900;
54 TM.tm_isdst = 0;
55 TM.tm_wday = 0;
56 TM.tm_yday = 0;
57
58 (void)mktime(&TM);
59
60 return TM.tm_wday;
61
62 }
63
64 int main(void)
65 {
66 int M,Y;
67 FILE *file;
68
69 file=fopen("times.h","w");
70
71 if (file==NULL)
72 return 0;
73
74 fprintf(file,"static time_t TimeDays[10][13] = { \n");
75
76 Y=1997;
77 while (Y<2007)
78 {
79 M=0;
80 fprintf(file," { ");
81 while (M<12)
82 {
83 fprintf(file,"%i",(int)GetDay(1,M,Y));
84 fprintf(file,",\t");
85
86 M++;
87 }
88
89 fprintf(file,"%i } ",(int)GetDay(1,0,Y+1));
90 if (Y!=2006) fprintf(file,",");
91 fprintf(file,"\n");
92 Y++;
93 }
94 fprintf(file,"};\n");
95
96 fprintf(file,"static int WeekDays[10][13] = { \n");
97
98 Y=1997;
99 while (Y<2007)
100 {
101 M=0;
102 fprintf(file," { ");
103 while (M<12)
104 {
105 fprintf(file,"%i",(int)WeekGetDay(1,M,Y));
106 fprintf(file,",\t");
107
108 M++;
109 }
110
111 fprintf(file,"%i } ",(int)WeekGetDay(1,0,Y+1));
112 if (Y!=2006) fprintf(file,",");
113 fprintf(file,"\n");
114 Y++;
115 }
116 fprintf(file,"};\n");
117 fprintf(file,"#define KHTTPD_YEAROFFSET 1997\n");
118 fprintf(file,"#define KHTTPD_NUMYEARS 10\n");
119 (void)fclose(file);
120
121 return 0;
122 }
123
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