Function snprintf

src/butil/strings/string_util.h:56–62

inline int snprintf(char* buffer, size_t size, const char* format, ...)
    PRINTF_FORMAT(3, 4);
inline int snprintf(char* buffer, size_t size, const char* format, ...) {
  va_list arguments;
  va_start(arguments, format);
  int result = vsnprintf(buffer, size, format, arguments);
  va_end(arguments);
  return result;
}

// BSD-style safe and consistent string copy functions.
// Copies |src| to |dst|, where |dst_size| is the total allocated size of |dst|.