contrib/ldns/duration.c

2  * $Id: duration.c 4518 2011-02-24 15:39:09Z matthijs $
41 #include <ldns/duration.h>
50  * Create a new 'instant' duration.
56     ldns_duration_type* duration;
58     duration = malloc(sizeof(ldns_duration_type));
59     if (!duration) {
62     duration->years = 0;
63     duration->months = 0;
64     duration->weeks = 0;
65     duration->days = 0;
66     duration->hours = 0;
67     duration->minutes = 0;
68     duration->seconds = 0;
69     return duration;
114  * Create a duration from string.
120     ldns_duration_type* duration = ldns_duration_create();
124     if (!duration) {
128         return duration;
133 	ldns_duration_cleanup(duration);
140         duration->years = (time_t) atoi(str+1);
146         duration->months = (time_t) atoi(str+1);
152         duration->days = (time_t) atoi(str+1);
162         duration->hours = (time_t) atoi(str+1);
168         duration->minutes = (time_t) atoi(str+1);
174         duration->seconds = (time_t) atoi(str+1);
182             ldns_duration_cleanup(duration);
185             duration->weeks = (time_t) atoi(str+1);
189     return duration;
198 digits_in_number(time_t duration)
200     uint32_t period = (uint32_t) duration;
212  * Convert a duration to a string.
216 ldns_duration2string(ldns_duration_type* duration)
222     if (!duration) {
226     if (duration->years > 0) {
227         count = count + 1 + digits_in_number(duration->years);
229     if (duration->months > 0) {
230         count = count + 1 + digits_in_number(duration->months);
232     if (duration->weeks > 0) {
233         count = count + 1 + digits_in_number(duration->weeks);
235     if (duration->days > 0) {
236         count = count + 1 + digits_in_number(duration->days);
238     if (duration->hours > 0) {
239         count = count + 1 + digits_in_number(duration->hours);
242     if (duration->minutes > 0) {
243         count = count + 1 + digits_in_number(duration->minutes);
246     if (duration->seconds > 0) {
247         count = count + 1 + digits_in_number(duration->seconds);
258     if (duration->years > 0) {
259         count = digits_in_number(duration->years);
261         snprintf(num, count+2, "%uY", (unsigned int) duration->years);
265     if (duration->months > 0) {
266         count = digits_in_number(duration->months);
268         snprintf(num, count+2, "%uM", (unsigned int) duration->months);
272     if (duration->weeks > 0) {
273         count = digits_in_number(duration->weeks);
275         snprintf(num, count+2, "%uW", (unsigned int) duration->weeks);
279     if (duration->days > 0) {
280         count = digits_in_number(duration->days);
282         snprintf(num, count+2, "%uD", (unsigned int) duration->days);
289     if (duration->hours > 0) {
290         count = digits_in_number(duration->hours);
292         snprintf(num, count+2, "%uH", (unsigned int) duration->hours);
296     if (duration->minutes > 0) {
297         count = digits_in_number(duration->minutes);
299         snprintf(num, count+2, "%uM", (unsigned int) duration->minutes);
303     if (duration->seconds > 0) {
304         count = digits_in_number(duration->seconds);
306         snprintf(num, count+2, "%uS", (unsigned int) duration->seconds);
315  * Convert a duration to a time.
319 ldns_duration2time(ldns_duration_type* duration)
323     if (duration) {
324         period += (duration->seconds);
325         period += (duration->minutes)*60;
326         period += (duration->hours)*3600;
327         period += (duration->days)*86400;
328         period += (duration->weeks)*86400*7;
329         period += (duration->months)*86400*31;
330         period += (duration->years)*86400*365;
334         if (duration->months || duration->years) {
343  * Clean up duration.
347 ldns_duration_cleanup(ldns_duration_type* duration)
349     if (!duration) {
352     free(duration);