#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "util.h"


bool parse_host_port(const char *arg, const char **server_host, int *port) {
	const char *ptr = strchr(arg, ':');
	if (ptr == NULL) {
		*server_host = arg;
	} else {
		size_t length = ptr - arg;
		char *host = malloc(length + 1);
		if (!host) {
			fprintf(stderr, "Cannot allocate memory!\n");
			exit(1);
		}
		memcpy(host, arg, length);
		host[length] = '\0';
		*server_host = host;

		char *endp;
		*port = strtol(ptr + 1, &endp, 10);
		if (endp == ptr || *endp != '\0') {
			return false;
		}
	}
	return true;
}