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

#include "file_helpers.h"


char* file_to_string(char* filename) {
	FILE* fp = fopen(filename,"r");

	fseek(fp,0,SEEK_END);
	long file_size = ftell(fp);
	rewind(fp);

	char* buffer = calloc(sizeof(char),file_size+1);

	fread(buffer,1,file_size,fp);

	rewind(fp);
	fclose(fp);

	return buffer;
	
}





/* Finds the number of lines in a file (Which MUST end in a new-line, if the last
   line is to be counted) */

int num_of_lines(char* filename) {

	int num_lines = 0;
	FILE* fp = fopen(filename,"r");
	
	if (fp == NULL) {
		return -1;
	}


	for (int c = getc(fp); c != EOF; c = getc(fp)) {
		if (c == '\n') {
			num_lines++;
		}
	}

	rewind(fp);
	fclose(fp);

	return num_lines;

}