45 lines
861 B
C
45 lines
861 B
C
#include "time.h"
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#include "util.h"
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#define SECONDS_PER_DAY 86400
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#define SECONDS_PER_HOUR 3600
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#define SECONDS_PER_MINUTE 60
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time_t
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time_get_weekly_seed(void)
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{
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time_t now = time(NULL);
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struct tm *tm;
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tm = localtime(&now);
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// Zero out the hour and minutes to 00:00:01
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now -= tm->tm_hour * SECONDS_PER_HOUR;
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now -= tm->tm_min * SECONDS_PER_MINUTE;
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now -= tm->tm_sec;
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now += 1;
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// Reverse time back to last monday
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unsigned int dayOfWeek = tm->tm_wday;
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now -= (dayOfWeek == 0 ? 6 : dayOfWeek - 1) * SECONDS_PER_DAY;
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return now;
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}
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// Example: 190225_weekly
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char *
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time_get_weekly_lb_name(void)
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{
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time_t seed = time_get_weekly_seed();
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struct tm *tm = localtime(&seed);
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char *name = ec_malloc(sizeof(char) * 15);
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m_sprintf(name,
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15,
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"%u%.2u%.2u_weekly",
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tm->tm_year % 100,
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tm->tm_mon + 1,
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tm->tm_mday
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);
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return name;
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}
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