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104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
#include "opt_time.h"
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#include <assert.h>
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#include <ccan/str/str.h>
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#include <ccan/tal/str/str.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <stdio.h>
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static bool match(const char *str, const char *abbrev, const char *full)
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{
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if (streq(str, abbrev))
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return true;
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if (streq(str, full))
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return true;
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/* Allow "seconds" */
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if (memcmp(str, full, strlen(full)) == 0
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&& streq(str + strlen(full), "s"))
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return true;
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return false;
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}
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char *opt_set_time(const char *arg, struct timerel *t)
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{
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char *endp;
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unsigned long int l;
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assert(arg != NULL);
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/* This is how the manpage says to do it. Yech. */
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errno = 0;
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l = strtol(arg, &endp, 0);
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if (endp == arg)
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return tal_fmt(NULL, "'%s' is not a number", arg);
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if (errno)
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return tal_fmt(NULL, "'%s' is out of range", arg);
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while (isspace(*endp))
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endp++;
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if (match(endp, "s", "second"))
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*t = time_from_sec(l);
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else if (match(endp, "m", "minute"))
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*t = time_from_sec(l * 60);
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else if (match(endp, "h", "hour"))
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*t = time_from_sec(l * 60 * 60);
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else if (match(endp, "d", "day"))
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*t = time_from_sec(l * 60 * 60 * 24);
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else if (match(endp, "ms", "millisecond"))
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*t = time_from_msec(l);
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else if (match(endp, "us", "microsecond"))
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*t = time_from_usec(l);
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else if (match(endp, "ns", "nanosecond"))
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*t = time_from_nsec(l);
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else
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return tal_fmt(NULL, "Unknown time unit %s", endp);
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return NULL;
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}
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void opt_show_time(char buf[OPT_SHOW_LEN], const struct timerel *t)
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{
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if (t->ts.tv_nsec) {
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if (t->ts.tv_nsec % 1000)
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sprintf(buf, "%"PRIu64"ns", time_to_nsec(*t));
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else if (t->ts.tv_nsec % 1000000)
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sprintf(buf, "%"PRIu64"us", time_to_usec(*t));
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else
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sprintf(buf, "%"PRIu64"ms", time_to_msec(*t));
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} else if (t->ts.tv_sec) {
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if (t->ts.tv_sec % (60 * 60 * 24) == 0)
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sprintf(buf, "%lud", t->ts.tv_sec / (60 * 60 * 24));
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else if (t->ts.tv_sec % (60 * 60) == 0)
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sprintf(buf, "%luh", t->ts.tv_sec / (60 * 60));
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else if (t->ts.tv_sec % 60 == 0)
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sprintf(buf, "%lum", t->ts.tv_sec / 60);
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else
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sprintf(buf, "%lus", t->ts.tv_sec);
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} else
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sprintf(buf, "%lus", t->ts.tv_sec);
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}
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char *opt_set_timeabs(const char *arg, struct timeabs *t)
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{
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long double d;
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assert(arg != NULL);
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if (sscanf(arg, "%Lf", &d) != 1)
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return tal_fmt(NULL, "'%s' is not a time", arg);
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t->ts.tv_sec = d;
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t->ts.tv_nsec = (d - t->ts.tv_sec) * 1000000000;
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return NULL;
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}
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void opt_show_timeabs(char buf[OPT_SHOW_LEN], const struct timeabs *t)
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{
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long double d = t->ts.tv_sec;
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d = d * 1000000000 + t->ts.tv_nsec;
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sprintf(buf, "%.9Lf", d);
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}
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