Convert seconds to compound duration: Difference between revisions

Content added Content deleted
(Add C implementation)
Line 200: Line 200:
if %min% neq 0 set "output=%output% %min% min,"
if %min% neq 0 set "output=%output% %min% min,"


if %rem% neq 0 set "output=%output% %rem% sec,"
if %rem% neq 0 set "output=={{header|Batch File}}===%output% %rem% sec,"


if %1 gtr 0 echo %1 sec = %output:~1,-1%
if %1 gtr 0 echo %1 sec = %output:~1,-1%
Line 210: Line 210:
86400 sec = 1 d
86400 sec = 1 d
6000000 sec = 9 wk, 6 d, 10 hr, 40 min
6000000 sec = 9 wk, 6 d, 10 hr, 40 min
</pre>


=={{header|C}}==
<lang c>
#include <inttypes.h> /* requires c99 */
#include <stdbool.h> /* requires c99 */
#include <stdio.h>
#include <stdlib.h>

#define N_EL 5

uintmax_t sec_to_week(uintmax_t);
uintmax_t sec_to_day(uintmax_t);
uintmax_t sec_to_hour(uintmax_t);
uintmax_t sec_to_min(uintmax_t);

uintmax_t week_to_sec(uintmax_t);
uintmax_t day_to_sec(uintmax_t);
uintmax_t hour_to_sec(uintmax_t);
uintmax_t min_to_sec(uintmax_t);

char *format_sec(uintmax_t);
/* the primary function */


int main(int argc, char *argv[])
{
uintmax_t input;
char *a;
if(argc<2) {
printf("usage: %s #seconds\n", argv[0]);
return 1;
}
input = strtoumax(argv[1],(void *)0, 10 /*base 10*/);
if(input<1) {
printf("Bad input: %s\n", argv[1]);
printf("usage: %s #seconds\n", argv[0]);
return 1;
}
printf("Number entered: %" PRIuMAX "\n", input);
a = format_sec(input);
printf(a);
free(a);
return 0;
}

/* note: must free memory
* after using this function */
char *format_sec(uintmax_t input)
{
int i;
bool first;
uintmax_t weeks, days, hours, mins;
/*seconds kept in input*/
char *retval;
FILE *stream;
size_t size;
uintmax_t *traverse[N_EL]={&weeks,&days,
&hours,&mins,&input};
char *labels[N_EL]={"wk","d","hr","min","sec"};

weeks = sec_to_week(input);
input = input - week_to_sec(weeks);

days = sec_to_day(input);
input = input - day_to_sec(days);

hours = sec_to_hour(input);
input = input - hour_to_sec(hours);

mins = sec_to_min(input);
input = input - min_to_sec(mins);
/* input now has the remaining seconds */

/* open stream */
stream = open_memstream(&retval,&size);
if(stream == 0) {
fprintf(stderr,"Unable to allocate memory");
return 0;
}

/* populate stream */
first = true;
for(i=0;i<N_EL;i++) {
if ( *(traverse[i]) != 0 ) {
if(!first) {
fprintf(stream,", %" PRIuMAX " %s",
*(traverse[i]), labels[i]);
} else {
fprintf(stream,"%" PRIuMAX " %s",
*(traverse[i]), labels[i]);
}
fflush(stream);
first=false;
}
}
fprintf(stream,"\n");
fclose(stream);
return retval;

}

uintmax_t sec_to_week(uintmax_t seconds)
{
return sec_to_day(seconds)/7;
}

uintmax_t sec_to_day(uintmax_t seconds)
{
return sec_to_hour(seconds)/24;
}

uintmax_t sec_to_hour(uintmax_t seconds)
{
return sec_to_min(seconds)/60;
}

uintmax_t sec_to_min(uintmax_t seconds)
{
return seconds/60;
}

uintmax_t week_to_sec(uintmax_t weeks)
{
return day_to_sec(weeks*7);
}

uintmax_t day_to_sec(uintmax_t days)
{
return hour_to_sec(days*24);
}

uintmax_t hour_to_sec(uintmax_t hours)
{
return min_to_sec(hours*60);
}

uintmax_t min_to_sec(uintmax_t minutes)
{
return minutes*60;
}
</lang>

{{out}}
<pre>
Number entered: 7259
2 hr, 59 sec

Number entered: 86400
1 d

Number entered: 6000000
9 wk, 6 d, 10 hr, 40 min
</pre>
</pre>


Retrieved from "https://rosettacode.org/wiki/Convert_seconds_to_compound_duration"