+static void test_fail_bignum_message(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op,
+ const BIGNUM *bn1, const BIGNUM *bn2)
+{
+ test_fail_message_prefix(prefix, file, line, type, left, right, op);
+ test_fail_bignum_common(prefix, file, line, type, left, right, op, bn1, bn2);
+}
+
+static void test_fail_bignum_mono_message(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op, const BIGNUM *bn)
+{
+ test_fail_message_prefix(prefix, file, line, type, left, right, op);
+ test_fail_bignum_common(prefix, file, line, type, left, right, op, bn, bn);
+}
+
+static void test_fail_memory_message(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op,
+ const unsigned char *m1, size_t l1,
+ const unsigned char *m2, size_t l2)
+{
+ const int indent = subtest_level();
+ const size_t bytes = (MAX_STRING_WIDTH - 9) / 17 * 8;
+ char b1[MAX_STRING_WIDTH + 1], b2[MAX_STRING_WIDTH + 1];
+ char *p, bdiff[MAX_STRING_WIDTH + 1];
+ size_t n1, n2, i;
+ unsigned int cnt = 0, diff;
+
+ test_fail_message_prefix(prefix, file, line, type, left, right, op);
+ if (m1 == NULL)
+ l1 = 0;
+ if (m2 == NULL)
+ l2 = 0;
+ if (l1 == 0 && l2 == 0) {
+ if ((m1 == NULL) == (m2 == NULL)) {
+ test_printf_stderr("%*s# %04s %s\n", indent, "", "",
+ m1 == NULL ? "NULL" : "empty");
+ } else {
+ test_diff_header(left, right);
+ test_printf_stderr("%*s# %04s -%s\n", indent, "", "",
+ m1 == NULL ? "NULL" : "empty");
+ test_printf_stderr("%*s# %04s +%s\n", indent, "", "",
+ m2 == NULL ? "NULL" : "empty");
+ }
+ goto fin;
+ }
+
+ if (l1 != l2 || memcmp(m1, m2, l1) != 0)
+ test_diff_header(left, right);
+
+ while (l1 > 0 || l2 > 0) {
+ n1 = n2 = 0;
+ if (l1 > 0) {
+ n1 = l1 > bytes ? bytes : l1;
+ hex_convert_memory(m1, n1, b1, 8);
+ }
+ if (l2 > 0) {
+ n2 = l2 > bytes ? bytes : l2;
+ hex_convert_memory(m2, n2, b2, 8);
+ }
+
+ diff = n1 != n2;
+ i = 0;
+ p = bdiff;
+ if (n1 > 0 && n2 > 0) {
+ const size_t j = n1 < n2 ? n1 : n2;
+ const size_t k = n1 > n2 ? n1 : n2;
+
+ for (; i < j; i++) {
+ if (m1[i] == m2[i]) {
+ *p++ = ' ';
+ *p++ = ' ';
+ } else {
+ *p++ = '^';
+ *p++ = '^';
+ diff = 1;
+ }
+ if ((i % 8) == 7 && (i != j - 1 || j != k))
+ *p++ = ' ';
+ }
+
+ for (; i < k; i++) {
+ *p++ = '^';
+ *p++ = '^';
+ if ((i % 8) == 7 && i != k - 1)
+ *p++ = ' ';
+ }
+ *p++ = '\0';
+ }
+
+ if (!diff) {
+ test_printf_stderr("%*s# %04x: %s\n", indent, "", cnt, b1);
+ } else {
+ if (cnt == 0 && m1 == NULL)
+ test_printf_stderr("%*s# %04s -NULL\n", indent, "", "");
+ else if (cnt == 0 && l1 == 0)
+ test_printf_stderr("%*s# %04s -empty\n", indent, "", "");
+ else if (n1 > 0)
+ test_printf_stderr("%*s# %04x:-%s\n", indent, "", cnt, b1);
+ if (cnt == 0 && m2 == NULL)
+ test_printf_stderr("%*s# %04s +NULL\n", indent, "", "");
+ else if (cnt == 0 && l2 == 0)
+ test_printf_stderr("%*s# %04s +empty\n", indent, "", "");
+ else if (n2 > 0)
+ test_printf_stderr("%*s# %04x:+%s\n", indent, "", cnt, b2);
+ if (i > 0)
+ test_printf_stderr("%*s# % 4s %s\n", indent, "", "", bdiff);
+ }
+ m1 += n1;
+ m2 += n2;
+ l1 -= n1;
+ l2 -= n2;
+ cnt += bytes;
+ }
+fin:
+ test_printf_stderr("\n");
+ test_flush_stderr();
+}
+
+static void test_fail_message(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op, const char *fmt, ...)