#include <stdio.h>

void print_depth(int depth);

int main(int argc, char *argv[])
{
	FILE *in_file;
	char input;
	int depth=0;

	if (argc != 2) {
		printf("%s <file to inspect>\n",argv[0]);
		exit(1);
	}

	if ((in_file = fopen(argv[1],"r")) == NULL) {
		printf("Error opening file!\n");
		exit(1);
	}

	while ((input = fgetc(in_file)) != EOF) {
		if (input == '{') { 
			++depth;
			print_depth(depth);
		}
		if (input == '}') {
			print_depth(depth);
			--depth;
			
		}
	}
	printf("Final depth: %d\n",depth);
	if (depth == 0)
		printf("No problems with brackets!\n");
	return 0;
}

void print_depth(int depth)
{
	int x;

	for (x = 0; x < 5*depth; ++x) 
		printf("*");
	if (depth > 0)
		printf("\n");
}