timeval.c 2.8 KB

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  1. /***************************************************************************
  2. * _ _ ____ _
  3. * Project ___| | | | _ \| |
  4. * / __| | | | |_) | |
  5. * | (__| |_| | _ <| |___
  6. * \___|\___/|_| \_\_____|
  7. *
  8. * Copyright (C) 1998 - 2002, Daniel Stenberg, <[email protected]>, et al.
  9. *
  10. * This software is licensed as described in the file COPYING, which
  11. * you should have received as part of this distribution. The terms
  12. * are also available at http://curl.haxx.se/docs/copyright.html.
  13. *
  14. * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  15. * copies of the Software, and permit persons to whom the Software is
  16. * furnished to do so, under the terms of the COPYING file.
  17. *
  18. * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19. * KIND, either express or implied.
  20. *
  21. * $Id$
  22. ***************************************************************************/
  23. #include "setup.h"
  24. #ifdef WIN32
  25. #include <windows.h>
  26. #endif
  27. #include "timeval.h"
  28. #ifndef HAVE_GETTIMEOFDAY
  29. #ifdef WIN32
  30. int
  31. gettimeofday (struct timeval *tp, void *nothing)
  32. {
  33. #ifdef WITHOUT_MM_LIB
  34. SYSTEMTIME st;
  35. time_t tt;
  36. struct tm tmtm;
  37. /* mktime converts local to UTC */
  38. GetLocalTime (&st);
  39. tmtm.tm_sec = st.wSecond;
  40. tmtm.tm_min = st.wMinute;
  41. tmtm.tm_hour = st.wHour;
  42. tmtm.tm_mday = st.wDay;
  43. tmtm.tm_mon = st.wMonth - 1;
  44. tmtm.tm_year = st.wYear - 1900;
  45. tmtm.tm_isdst = -1;
  46. tt = mktime (&tmtm);
  47. tp->tv_sec = tt;
  48. tp->tv_usec = st.wMilliseconds * 1000;
  49. #else
  50. /**
  51. ** The earlier time calculations using GetLocalTime
  52. ** had a time resolution of 10ms.The timeGetTime, part
  53. ** of multimedia apis offer a better time resolution
  54. ** of 1ms.Need to link against winmm.lib for this
  55. **/
  56. unsigned long Ticks = 0;
  57. unsigned long Sec =0;
  58. unsigned long Usec = 0;
  59. Ticks = timeGetTime();
  60. Sec = Ticks/1000;
  61. Usec = (Ticks - (Sec*1000))*1000;
  62. tp->tv_sec = Sec;
  63. tp->tv_usec = Usec;
  64. #endif
  65. (void)nothing;
  66. return 1;
  67. }
  68. #define HAVE_GETTIMEOFDAY
  69. #endif
  70. #endif
  71. struct timeval Curl_tvnow (void)
  72. {
  73. struct timeval now;
  74. #ifdef HAVE_GETTIMEOFDAY
  75. gettimeofday (&now, NULL);
  76. #else
  77. now.tv_sec = (long) time(NULL);
  78. now.tv_usec = 0;
  79. #endif
  80. return now;
  81. }
  82. /*
  83. * Make sure that the first argument is the more recent time, as otherwise
  84. * we'll get a weird negative time-diff back...
  85. */
  86. long Curl_tvdiff (struct timeval newer, struct timeval older)
  87. {
  88. return (newer.tv_sec-older.tv_sec)*1000+
  89. (499+newer.tv_usec-older.tv_usec)/1000;
  90. }
  91. long Curl_tvlong (struct timeval t1)
  92. {
  93. return t1.tv_sec;
  94. }
  95. /*
  96. * local variables:
  97. * eval: (load-file "../curl-mode.el")
  98. * end:
  99. * vim600: fdm=marker
  100. * vim: et sw=2 ts=2 sts=2 tw=78
  101. */