* the string back using g_ascii_strtod() gives the same machine-number
* (on machines with IEEE compatible 64bit doubles). It is
* guaranteed that the size of the resulting string will never
- * be larger than @G_ASCII_DTOSTR_BUF_SIZE bytes.
+ * be larger than @G_ASCII_DTOSTR_BUF_SIZE bytes, including the terminating
+ * nul character, which is always added.
*
* Returns: The pointer to the buffer with the converted string.
**/
* a printf()-style format string. Allowed conversion
* specifiers are 'e', 'E', 'f', 'F', 'g' and 'G'.
*
+ * The returned buffer is guaranteed to be nul-terminated.
+ *
* If you just want to want to serialize the value into a
* string, use g_ascii_dtostr().
*