/*
 * str.c
 *
 *  Created on: Feb 14, 2011
 *      Author: lamikr
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <stdbool.h>

#include <log.h>

char *get_as_hex_str(const char *byte_arr, int byte_count) {
	int	ii;
	char	*ret_val;
	char	item[5];

	ret_val	= NULL;
	if ((byte_arr != NULL) &&
	    (byte_count > 0)) {
		ret_val	= malloc(5 * byte_count);
		for (ii = 0; ii < byte_count; ii++) {
			if (ii == 0) {
				snprintf(ret_val, 5, "0x%02x", byte_arr[ii]);
			}
			else {
				snprintf(item, 5, "0x%02x", byte_arr[ii]);
				strcat(ret_val, item);
			}
			if (ii < (byte_count - 1)) {
				strcat(ret_val, " ");
			}
		}
	}
	return ret_val;
}

bool parse_long(const char *str, long *result) {
	int	new_result;
	char 	*endptr;
	bool	ret_val;

	ret_val		= false;
	errno		= 0;
	new_result	= strtol(str, &endptr, 10);
	if (errno != 0) {
		log_error("invalid input %s, could not convert to integer.\n", str);
	}
	else {
		if (endptr == str) {
			log_error("invalid input %s, could not convert to integer.\n", str);
		}
		else {
			*result	= new_result;
			ret_val	= true;
		}
	}
	return ret_val;
}