image_editor.c

#include <stdio.h>
#include <stdlib.h>

/*
 * Include the function prototypes of all those functions implemented in image_processing.c.
 * Do not remove or modify them in any way.
 */

void remove_red();
void convert_to_black_and_white();
void instagram_square();



int main(int argc, char *argv[]) {
    /* Task 1 needs to be completed here: Make sure that the command line arguments are correct. In case an error exists,
     * print the error message and terminate the program. Otherwise, invoke the corresponding
     * image processing function. */

    int request = strtol(argv[1], NULL, 10);

    if (request == 1){
	remove_red();
    }

    else if (request == 2){
	convert_to_black_and_white();
    }

    else if (request == 3){
	instagram_square();
    }

    else {
	fprintf(stderr, "You have made an invalid request, you did not enter either 1, 2, or 3\n");
        return 1;
    }

    return 0;
}