diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/format/multattr-2.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/format/multattr-2.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/multattr-2.c b/gcc/testsuite/gcc.dg/format/multattr-2.c new file mode 100644 index 0000000..1d78840 --- /dev/null +++ b/gcc/testsuite/gcc.dg/format/multattr-2.c @@ -0,0 +1,39 @@ +/* Test for multiple format attributes. Test for printf and scanf attributes + together, in different places on the declarations. */ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=gnu99 -Wformat" } */ + +#include "format.h" + +/* If we specify multiple attributes for a single function, they should + all apply, wherever they are placed on the declarations. */ + +extern __attribute__((__format__(__printf__, 1, 0))) void + my_vprintf_scanf (const char *, va_list, const char *, ...) + __attribute__((__format__(__scanf__, 3, 4))); + +extern void (__attribute__((__format__(__printf__, 1, 0))) my_vprintf_scanf2) + (const char *, va_list, const char *, ...) + __attribute__((__format__(__scanf__, 3, 4))); + +extern __attribute__((__format__(__scanf__, 3, 4))) void + (__attribute__((__format__(__printf__, 1, 0))) my_vprintf_scanf3) + (const char *, va_list, const char *, ...); + +void +foo (va_list ap, int *ip, long *lp) +{ + my_vprintf_scanf ("%d", ap, "%d", ip); + my_vprintf_scanf ("%d", ap, "%ld", lp); + my_vprintf_scanf ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */ + my_vprintf_scanf ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */ + my_vprintf_scanf2 ("%d", ap, "%d", ip); + my_vprintf_scanf2 ("%d", ap, "%ld", lp); + my_vprintf_scanf2 ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */ + my_vprintf_scanf2 ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */ + my_vprintf_scanf3 ("%d", ap, "%d", ip); + my_vprintf_scanf3 ("%d", ap, "%ld", lp); + my_vprintf_scanf3 ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */ + my_vprintf_scanf3 ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */ +} |