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#include <assert.h>
#include <stdlib.h>
#include <libical/ical.h>
char *
read_stream(char *s, size_t size, void *d)
{
return fgets(s, (int)size, (FILE *)d);
}
int
main(void)
{
icalparser *parser = icalparser_new();
assert(parser);
FILE *stream = stdin;
assert(stream);
icalparser_set_gen_data(parser, stream);
for (;;) {
char *line = icalparser_get_line(parser, read_stream);
if (!line) {
break;
}
icalcomponent *comp = icalparser_add_line(parser, line);
if (!comp) {
continue;
}
for (icalcompiter i = icalcomponent_begin_component(
comp, ICAL_VEVENT_COMPONENT);
icalcompiter_deref(&i); icalcompiter_next(&i)) {
icalcomponent *c = icalcompiter_deref(&i);
struct icaltimetype dts = icalcomponent_get_dtstart(c);
icaltimezone *utc = icaltimezone_get_utc_timezone();
dts = icaltime_convert_to_zone(dts, utc);
printf("%02u-%02u-%02u ", dts.year, dts.month,
dts.day);
printf("%02u:%02u ", dts.hour, dts.minute);
const char *sum = icalcomponent_get_summary(c);
if (sum)
printf("%s\n", sum);
}
icalcomponent_free(comp);
}
icalparser_free(parser);
}
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