// === CODE ===
udi_size_t udi_snprintf(char *s, udi_size_t max_bytes, const char *format, ...)
{
- s[0] = '\0';
- return 0;
+ udi_size_t ret;
+ va_list args;
+ va_start(args, format);
+
+ ret = vsnprintf(s, max_bytes, format, args);
+
+ va_end(args);
+ return ret;
}