Mercurial > libpst

annotate src/timeconv.c @ 405:af8ae7bd3fed stable-0-6-75

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allow building on el8
author Carl Byington <carl@five-ten-sg.com>
date Tue, 16 Jun 2020 16:21:47 -0700
parents ad7b880ad3d1
children
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1 #include "define.h"
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5 char* pst_fileTimeToAscii(const FILETIME* filetime, char* result) {
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6 time_t t;
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7 t = pst_fileTimeToUnixTime(filetime);
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8 return ctime_r(&t, result);
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9 }
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11 size_t pst_fileTimeToString(const FILETIME* filetime, const char* date_format, char* result) {
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12 time_t t;
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13 t = pst_fileTimeToUnixTime(filetime);
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14 return strftime(result, MAXDATEFMTLEN-1, date_format, localtime(&t));
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15 }
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17 void pst_fileTimeToStructTM (const FILETIME *filetime, struct tm *result) {
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18 time_t t1;
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19 t1 = pst_fileTimeToUnixTime(filetime);
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20 gmtime_r(&t1, result);
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21 }
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24 time_t pst_fileTimeToUnixTime(const FILETIME *filetime)
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25 {
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26 uint64_t t = filetime->dwHighDateTime;
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27 const uint64_t bias = 11644473600LL;
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28 t <<= 32;
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29 t += filetime->dwLowDateTime;
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30 t /= 10000000;
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31 t -= bias;
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32 return ((t > (uint64_t)0x000000007fffffff) && (sizeof(time_t) <= 4)) ? 0 : (time_t)t;
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33 }
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