- CK (int, inttostr);
- CK (unsigned int, uinttostr);
- CK (off_t, offtostr);
- CK (uintmax_t, umaxtostr);
- CK (intmax_t, imaxtostr);
- return 0;
+ size_t b_size = 2;
+ char *b = malloc (b_size);
+ ASSERT (b);
+
+ /* Ideally we would rely on the snprintf-posix module, in which case
+ this guard would not be required, but due to limitations in gnulib's
+ implementation (see modules/snprintf-posix), we cannot. */
+ if (snprintf (b, b_size, "%ju", (uintmax_t) 3) == 1
+ && b[0] == '3' && b[1] == '\0')
+ {
+ CK (int, inttostr);
+ CK (unsigned int, uinttostr);
+ CK (off_t, offtostr);
+ CK (uintmax_t, umaxtostr);
+ CK (intmax_t, imaxtostr);
+ return 0;
+ }
+
+ /* snprintf doesn't accept %ju; skip this test. */
+ return 77;