1#include <stdio.h>
2#include <stdlib.h>
3#include <libc-diag.h>
4
5int
6main (int argc, char *argv[])
7{
8 long long int n;
9 int ret;
10
11 n = -1;
12 ret = sscanf ("1000", "%lld", &n);
13 printf (format: "%%lld: ret: %d, n: %Ld\n", ret, n);
14 if (ret != 1 || n != 1000L)
15 abort ();
16
17 n = -2;
18
19 /* We are testing a corner case of the scanf format string here. */
20 DIAG_PUSH_NEEDS_COMMENT;
21 DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
22 DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-extra-args");
23
24 ret = sscanf ("1000", "%llld", &n);
25
26 DIAG_POP_NEEDS_COMMENT;
27
28 printf (format: "%%llld: ret: %d, n: %Ld\n", ret, n);
29 if (ret > 0 || n >= 0L)
30 abort ();
31
32 return 0;
33}
34

source code of glibc/stdio-common/scanf7.c