+ /* Allocate a small buffer that will hold a directive passed to
+ sprintf or snprintf. */
+ buf_neededlength =
+ xsum4 (7, d.max_width_length, d.max_precision_length, 6);
+#if HAVE_ALLOCA
+ if (buf_neededlength < 4000 / sizeof (CHAR_T))
+ {
+ buf = (CHAR_T *) alloca (buf_neededlength * sizeof (CHAR_T));
+ buf_malloced = NULL;
+ }
+ else
+#endif
+ {
+ size_t buf_memsize = xtimes (buf_neededlength, sizeof (CHAR_T));
+ if (size_overflow_p (buf_memsize))
+ goto out_of_memory_1;
+ buf = (CHAR_T *) malloc (buf_memsize);
+ if (buf == NULL)
+ goto out_of_memory_1;
+ buf_malloced = buf;
+ }
+