blob: 5b7cdeacd8896b947872e4d8a3d56978e95c9ef0 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
#define _GNU_SOURCE 1
#include <wchar.h>
#include <stdio.h>
#include <string.h>
#include <wctype.h>
#include <libc-diag.h>
static int
do_test (void)
{
int result = 0;
char buf[100];
wchar_t tmp[3];
tmp[0] = '8';
tmp[1] = '1';
tmp[2] = 0;
/* GCC does not know the result of wcstof so cannot see that the
snprintf output is not truncated. */
DIAG_PUSH_NEEDS_COMMENT;
#if __GNUC_PREREQ (7, 0)
DIAG_IGNORE_NEEDS_COMMENT (7.0, "-Wformat-truncation");
#endif
snprintf (buf, 100, "%S = %f", tmp, wcstof (tmp, NULL));
DIAG_POP_NEEDS_COMMENT;
printf ("\"%s\" -> %s\n", buf,
strcmp (buf, "81 = 81.000000") == 0 ? "okay" : "buggy");
result |= strcmp (buf, "81 = 81.000000") != 0;
return result;
}
#include <support/test-driver.c>
|
