Mercurial > dovecot > core-2.2

annotate src/lib/time-util.c @ 22664:fea53c2725c0

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director: Fix director_max_parallel_moves/kicks type Should be uint, not time.
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Thu, 09 Nov 2017 12:24:16 +0200
parents 3ffd4442b22c
children cb108f786fb4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
21390
2e2563132d5f Updated copyright notices to include the year 2017.
Stephan Bosch <stephan.bosch@dovecot.fi>
parents: 21278
diff changeset
1 /* Copyright (c) 2008-2017 Dovecot authors, see the included COPYING file */
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2
8716936443db Moved all struct timeval comparing/calculation code to lib/time-util.
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3 #include "lib.h"
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4 #include "time-util.h"
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5
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6 #include <time.h>
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7
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8 #define STRFTIME_MAX_BUFSIZE (1024*64)
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9
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10 int timeval_cmp(const struct timeval *tv1, const struct timeval *tv2)
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11 {
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12 if (tv1->tv_sec < tv2->tv_sec)
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13 return -1;
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14 if (tv1->tv_sec > tv2->tv_sec)
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15 return 1;
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16 if (tv1->tv_usec < tv2->tv_usec)
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17 return -1;
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18 if (tv1->tv_usec > tv2->tv_usec)
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19 return 1;
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20 return 0;
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21 }
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22
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23 int timeval_cmp_margin(const struct timeval *tv1, const struct timeval *tv2,
e45dda2d7cd6 lib: Created timeval_cmp_margin().
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24 unsigned int usec_margin)
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25 {
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26 if (tv1->tv_sec < tv2->tv_sec)
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27 return -1;
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28 if (tv1->tv_sec > tv2->tv_sec)
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29 return 1;
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30
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31 if ((tv2->tv_usec - tv1->tv_usec) > (int)usec_margin)
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32 return -1;
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33 if ((tv1->tv_usec - tv2->tv_usec) > (int)usec_margin)
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34 return 1;
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35 return 0;
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36 }
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37
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38 int timeval_diff_msecs(const struct timeval *tv1, const struct timeval *tv2)
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39 {
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40 return timeval_diff_usecs(tv1, tv2) / 1000;
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41 }
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42
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43 long long timeval_diff_usecs(const struct timeval *tv1,
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44 const struct timeval *tv2)
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45 {
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46 time_t secs;
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47 int usecs;
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48
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49 secs = tv1->tv_sec - tv2->tv_sec;
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50 usecs = tv1->tv_usec - tv2->tv_usec;
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51 if (usecs < 0) {
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52 secs--;
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53 usecs += 1000000;
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54 }
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55 return ((long long)secs * 1000000LL) + usecs;
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56 }
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57
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58 time_t time_to_local_day_start(time_t t)
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59 {
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60 const struct tm *day_tm;
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61 struct tm tm;
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62 time_t new_start_time;
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63
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64 day_tm = localtime(&t);
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65 i_zero(&tm);
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66 tm.tm_year = day_tm->tm_year;
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67 tm.tm_mon = day_tm->tm_mon;
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68 tm.tm_mday = day_tm->tm_mday;
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69 tm.tm_isdst = -1;
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70 new_start_time = mktime(&tm);
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71 i_assert(new_start_time != (time_t)-1);
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72 return new_start_time;
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73 }
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74
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75 static const char *strftime_real(const char *fmt, const struct tm *tm)
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76 {
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77 size_t bufsize = strlen(fmt) + 32;
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78 char *buf = t_buffer_get(bufsize);
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79 size_t ret;
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80
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81 while ((ret = strftime(buf, bufsize, fmt, tm)) == 0) {
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82 bufsize *= 2;
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83 i_assert(bufsize <= STRFTIME_MAX_BUFSIZE);
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84 buf = t_buffer_get(bufsize);
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85 }
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86 t_buffer_alloc(ret + 1);
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87 return buf;
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88 }
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89
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90 const char *t_strftime(const char *fmt, const struct tm *tm)
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91 {
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92 return strftime_real(fmt, tm);
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93 }
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94
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95 const char *t_strflocaltime(const char *fmt, time_t t)
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96 {
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97 return strftime_real(fmt, localtime(&t));
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98 }
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99
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100 const char *t_strfgmtime(const char *fmt, time_t t)
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101 {
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102 return strftime_real(fmt, gmtime(&t));
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103 }