lib/input.c


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#include <stdio.h>
#include <string.h>

#include "coordinate.h"
#include "input.h"

#define LENGTH 80

static Coord _input_coord() {
    char line[LENGTH];
    int done = 0;   

    while (!done) {
        fgets(line, LENGTH, stdin);

        if (strnlen(line, LENGTH) == 3 && line[2] == '\n')
            line[2] = 0;

        if (!coord_is_valid(line))
            printf("Invalid coordinate. Write something like \"e2\": ");
        else
            done = 1;
    }
        
    return coord_init(line);
}

Coord input_orig_coord() {
    printf("Orig coordinate: ");

    return _input_coord();
}

Coord input_dest_coord() {
    printf("Dest coordinate: ");

    return _input_coord();
}