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-rw-r--r--misc/tst-efgcvt.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/misc/tst-efgcvt.c b/misc/tst-efgcvt.c
index cfbaa21cb1..74dd6bd8d3 100644
--- a/misc/tst-efgcvt.c
+++ b/misc/tst-efgcvt.c
@@ -120,9 +120,10 @@ test (testcase tests[], efcvt_func efcvt, const char *name)
void
special (void)
{
- int decpt, sign;
+ int decpt, sign, res;
char *p;
-
+ char buf [1024];
+
p = ecvt (NAN, 10, &decpt, &sign);
if (sign != 0 || strcmp (p, "nan") != 0)
output_error ("ecvt", NAN, 10, "nan", 0, 0, p, decpt, sign);
@@ -135,6 +136,20 @@ special (void)
(void) ecvt (123.456, 10000, &decpt, &sign);
(void) fcvt (123.456, 10000, &decpt, &sign);
+ /* Some tests for for the reentrant functions. */
+ /* Use a too small buffer. */
+ res = ecvt_r (123.456, 10, &decpt, &sign, buf, 1);
+ if (res == 0)
+ {
+ printf ("ecvt_r with a too small buffer was succesful.\n");
+ ++error_count;
+ }
+ res = fcvt_r (123.456, 10, &decpt, &sign, buf, 1);
+ if (res == 0)
+ {
+ printf ("fcvt_r with a too small buffer was succesful.\n");
+ ++error_count;
+ }
}