#ifndef UTIL_H
#define UTIL_H

#include <stdarg.h>
#include <stddef.h>

/**
 * Formats a string using printf-style formatting and returns a newly allocated string.
 * The caller is responsible for freeing the returned string.
 * 
 * @param fmt The format string.
 * @param ... The values to format.
 * @return A newly allocated string containing the formatted output.
 */
char* format_string(const char* fmt, ...);

/**
 * Formats a string using printf-style formatting with a va_list and returns a newly allocated string.
 * The caller is responsible for freeing the returned string.
 * 
 * @param fmt The format string.
 * @param args The va_list of values to format.
 * @return A newly allocated string containing the formatted output.
 */
char* format_string_va(const char* fmt, va_list args);

#endif