- vsnprintf(my_buffer, my_length, fmt, ap); /* SUSv2, 1997 */
+ /* SUSv2, 1997 */
+ int used;
+
+ do {
+ va_list ap2;
+
+ begin_va_copy(ap2, ap);
+ used = vsnprintf(my_buffer, my_length, fmt, ap2);
+ end_va_copy(ap2);
+ if (used < (int) my_length)
+ break;
+ my_length = (size_t) ((3 * used) / 2);
+ my_buffer = typeRealloc(char, my_length, my_buffer);
+ } while (my_buffer != NULL);