#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "aocutils.h"
#include "aocdailies.h" // prototypes for all aocYYYYdd functions!
#define MAX_YEAR 2024
int main(int argc, char **argv) {
int y = 0, d = 0;
char dataname[99];
if (argc >= 3) {
char *err;
y = (int)strtol(argv[1], &err, 10);
if (err && *err) y = 0;
if (y < 2015) y = 0;
if (y > MAX_YEAR) y = 0;
d = (int)strtol(argv[2], &err, 10);
if (err && *err) d = 0;
if (d < 1) d = 0;
if (d > 25) d = 0;
if (argc >= 4) {
sprintf(dataname, "%.98s", argv[3]);
} else {
sprintf(dataname, ".%04d%02d.txt", y, d);
}
}
if ((y == 0) || (d == 0)) {
fprintf(stderr, "syntax: %s yyyy dd [input-file]\n", argv[0]);
fprintf(stderr, " where 2015 <= yyyy <= %d\n", MAX_YEAR);
fprintf(stderr, " and 1 <= dd <= 25\n");
fprintf(stderr, "if no [input-file] is supplied loads the file .yyyydd.txt\n");
exit(EXIT_FAILURE);
}
// read data from dataname into input
char *input = NULL;
size_t ilen = slurp(&input, dataname);
// call the right function
void (*p)(char *, size_t) = NULL;
switch (y * 100 + d) {
default: fprintf(stderr, "no function for year %d and day %d\n", y, d);
exit(EXIT_FAILURE);
#if 0
case 201501: p = aoc201501; break;
case 201502: p = aoc201502; break;
case 201503: p = aoc201503; break;
case 201504: p = aoc201504; break;
case 201505: p = aoc201505; break;
case 201506: p = aoc201506; break;
case 201507: p = aoc201507; break;
case 201508: p = aoc201508; break;
case 201509: p = aoc201509; break;
case 201510: p = aoc201510; break;
case 201511: p = aoc201511; break;
case 201512: p = aoc201512; break;
case 201513: p = aoc201513; break;
case 201514: p = aoc201514; break;
case 201515: p = aoc201515; break;
case 201516: p = aoc201516; break;
case 201517: p = aoc201517; break;
case 201518: p = aoc201518; break;
case 201519: p = aoc201519; break;
case 201520: p = aoc201520; break;
case 201521: p = aoc201521; break;
case 201522: p = aoc201522; break;
case 201523: p = aoc201523; break;
case 201524: p = aoc201524; break;
case 201525: p = aoc201525; break;
#endif
case 202401: p = aoc202401; break;
case 202402: p = aoc202402; break;
}
p(input, ilen);
free(input);
}