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comparison gcc/testsuite/gcc.dg/format/c99-scanf-2.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* Test for scanf formats. Formats using extensions to the standard
2 should be rejected in strict pedantic mode.
3 */
4 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
5 /* { dg-do compile } */
6 /* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
7
8 #include "format.h"
9
10 void
11 foo (int *ip, long long int *llp, wchar_t *ls)
12 {
13 /* The length modifiers q and L as applied to integer formats are
14 extensions.
15 */
16 scanf ("%qd", llp); /* { dg-warning "C" "%q length" } */
17 scanf ("%Ld", llp); /* { dg-warning "C" "%L length" } */
18 /* The conversion specifiers C and S are X/Open extensions. */
19 scanf ("%C", ls); /* { dg-warning "C" "scanf %C" } */
20 scanf ("%S", ls); /* { dg-warning "C" "scanf %S" } */
21 /* The use of operand number $ formats is an X/Open extension. */
22 scanf ("%1$d", ip); /* { dg-warning "C" "scanf $ format" } */
23 /* glibc also supports flags ' and I on scanf formats as an extension. */
24 scanf ("%'d", ip); /* { dg-warning "C" "scanf ' flag" } */
25 scanf ("%Id", ip); /* { dg-warning "C" "scanf I flag" } */
26 }