From 07da99aad93c9364acb7efdab47c27ba698f6313 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Tue, 30 Oct 2018 13:55:01 +0100 Subject: stdlib/tst-strtod-overflow: Switch to support_blob_repeat This is another test with an avoidable large memory allocation. --- stdlib/tst-strtod-overflow.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'stdlib/tst-strtod-overflow.c') diff --git a/stdlib/tst-strtod-overflow.c b/stdlib/tst-strtod-overflow.c index d14638d68e..dc53c1e521 100644 --- a/stdlib/tst-strtod-overflow.c +++ b/stdlib/tst-strtod-overflow.c @@ -19,6 +19,8 @@ #include #include #include +#include +#include #define EXPONENT "e-2147483649" #define SIZE 214748364 @@ -26,21 +28,23 @@ static int do_test (void) { - char *p = malloc (1 + SIZE + sizeof (EXPONENT)); - if (p == NULL) + struct support_blob_repeat repeat = support_blob_repeat_allocate + ("0", 1, 1 + SIZE + sizeof (EXPONENT)); + if (repeat.size == 0) { - puts ("malloc failed, cannot test for overflow"); - return 0; + puts ("warning: memory allocation failed, cannot test for overflow"); + return EXIT_UNSUPPORTED; } + char *p = repeat.start; p[0] = '1'; - memset (p + 1, '0', SIZE); memcpy (p + 1 + SIZE, EXPONENT, sizeof (EXPONENT)); double d = strtod (p, NULL); if (d != 0) { - printf ("strtod returned wrong value: %a\n", d); + printf ("error: strtod returned wrong value: %a\n", d); return 1; } + support_blob_repeat_free (&repeat); return 0; } -- cgit 1.4.1