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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/format/c99-scanf-2.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/format/c99-scanf-2.c')
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diff --git a/gcc/testsuite/gcc.dg/format/c99-scanf-2.c b/gcc/testsuite/gcc.dg/format/c99-scanf-2.c
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+/* Test for scanf formats. Formats using extensions to the standard
+ should be rejected in strict pedantic mode.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#include "format.h"
+
+void
+foo (int *ip, long long int *llp, wchar_t *ls)
+{
+ /* The length modifiers q and L as applied to integer formats are
+ extensions.
+ */
+ scanf ("%qd", llp); /* { dg-warning "C" "%q length" } */
+ scanf ("%Ld", llp); /* { dg-warning "C" "%L length" } */
+ /* The conversion specifiers C and S are X/Open extensions. */
+ scanf ("%C", ls); /* { dg-warning "C" "scanf %C" } */
+ scanf ("%S", ls); /* { dg-warning "C" "scanf %S" } */
+ /* The use of operand number $ formats is an X/Open extension. */
+ scanf ("%1$d", ip); /* { dg-warning "C" "scanf $ format" } */
+ /* glibc also supports flags ' and I on scanf formats as an extension. */
+ scanf ("%'d", ip); /* { dg-warning "C" "scanf ' flag" } */
+ scanf ("%Id", ip); /* { dg-warning "C" "scanf I flag" } */
+}