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calendarspec: refactor format_chain()

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Factor out repeated references to usec and remove nested ifs.
This commit is contained in:
Douglas Christman 2016-11-24 21:44:14 -05:00
parent c58b1b3abf
commit 7c2503218e
1 changed files with 11 additions and 16 deletions
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27
src/basic/calendarspec.c
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@ -256,6 +256,7 @@ static void format_weekdays(FILE *f, const CalendarSpec *c) {
static void format_chain(FILE *f, int space, const CalendarComponent *c, bool usec) {
const CalendarComponent *n, *p;
int d = usec ? (int) USEC_PER_SEC : 1;
assert(f);
@ -265,21 +266,15 @@ static void format_chain(FILE *f, int space, const CalendarComponent *c, bool us
}
assert(c->value >= 0);
if (!usec)
fprintf(f, "%0*i", space, c->value);
else if (c->value % USEC_PER_SEC == 0)
fprintf(f, "%0*i", space, (int) (c->value / USEC_PER_SEC));
else
fprintf(f, "%0*i.%06i", space, (int) (c->value / USEC_PER_SEC), (int) (c->value % USEC_PER_SEC));
if (c->repeat > 0) {
if (!usec)
fprintf(f, "/%i", c->repeat);
else if (c->repeat % USEC_PER_SEC == 0)
fprintf(f, "/%i", (int) (c->repeat / USEC_PER_SEC));
else
fprintf(f, "/%i.%06i", (int) (c->repeat / USEC_PER_SEC), (int) (c->repeat % USEC_PER_SEC));
}
fprintf(f, "%0*i", space, c->value / d);
if (c->value % d != 0)
fprintf(f, ".%06i", c->value % d);
if (c->repeat != 0)
fprintf(f, "/%i", c->repeat / d);
if (c->repeat % d != 0)
fprintf(f, ".%06i", c->repeat % d);
p = c;
for (;;) {
@ -288,13 +283,13 @@ static void format_chain(FILE *f, int space, const CalendarComponent *c, bool us
if (!n || n->repeat || p->repeat)
break;
if (n->value - p->value != (usec ? (int) USEC_PER_SEC : 1))
if (n->value - p->value != d)
break;
p = n;
}
if (p->value - c->value >= 2 * (usec ? (int) USEC_PER_SEC : 1)) {
if (p->value - c->value >= 2 * d) {
fputs("..", f);
format_chain(f, space, p, usec);
} else if (c->next) {