diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/format/c90-scanf-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/format/c90-scanf-2.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/c90-scanf-2.c b/gcc/testsuite/gcc.dg/format/c90-scanf-2.c new file mode 100644 index 000000000..52c08921e --- /dev/null +++ b/gcc/testsuite/gcc.dg/format/c90-scanf-2.c @@ -0,0 +1,25 @@ +/* Test for scanf formats. Formats using C99 features should be rejected + outside of C99 mode. +*/ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */ + +#include "format.h" + +void +foo (signed char *hhp, float *fp, llong *llp, intmax_t *jp, + size_t *zp, ptrdiff_t *tp) +{ + /* Some tests already in c90-scanf-1.c. */ + /* The widths hh, ll, j, z, t are new. */ + scanf ("%hhd", hhp); /* { dg-warning "length|C" "%hh in C90" } */ + scanf ("%lld", llp); /* { dg-warning "length|C" "%ll in C90" } */ + scanf ("%jd", jp); /* { dg-warning "length|C" "%j in C90" } */ + scanf ("%zu", zp); /* { dg-warning "length|C" "%z in C90" } */ + scanf ("%td", tp); /* { dg-warning "length|C" "%t in C90" } */ + /* The formats F, a, A are new. */ + scanf ("%F", fp); /* { dg-warning "C" "%F in C90" } */ + scanf ("%a", fp); /* { dg-warning "C" "%a in C90" } */ + scanf ("%A", fp); /* { dg-warning "C" "%A in C90" } */ +} |