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make_times_h.c
Package: linux-2.4.20.tar.gz　[view]
Upload User: jlfgdled
Upload Date: 2013-04-10
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Code Size: 2k
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Linux-Unix program

Development Platform:

Unix_Linux

make_times_h.c：Code Content
  1. /*
  3. This program generates the "times.h" file with the zulu-times of the first of
  4. every month of a decade.
  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.  ****************************************************************/
  24. #include <time.h>
  25. #include <stdio.h>
  27. static time_t GetDay(int D,int M,int Y)
  28. {
  29. struct tm TM;
  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;
  41. return mktime(&TM);
  43. }
  44. static int WeekGetDay(int D,int M,int Y)
  45. {
  46. struct tm TM;
  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;
  58. (void)mktime(&TM);
  60. return TM.tm_wday;
  62. }
  64. int main(void)
  65. {
  66. int M,Y;
  67. FILE *file;
  69. file=fopen("times.h","w");
  71. if (file==NULL) 
  72. return 0; 
  74. fprintf(file,"static time_t TimeDays[10][13] = { n");
  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");
  86. M++;
  87. }
  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");
  96. fprintf(file,"static int WeekDays[10][13] = { n");
  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");
  108. M++;
  109. }
  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   1997n");
  118. fprintf(file,"#define KHTTPD_NUMYEARS     10n");
  119. (void)fclose(file);
  121. return 0;
  122. }