diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/format/miss-6.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/format/miss-6.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/miss-6.c b/gcc/testsuite/gcc.dg/format/miss-6.c new file mode 100644 index 000000000..77e287465 --- /dev/null +++ b/gcc/testsuite/gcc.dg/format/miss-6.c @@ -0,0 +1,32 @@ +/* Test warnings for missing format attributes on function pointers. */ +/* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */ +/* { dg-do compile } */ +/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */ + +#define DONT_GNU_PROTOTYPE +#include "format.h" + +typedef void (*noattr_t) (const char *, ...); +typedef noattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 2))) attr_t; + +typedef void (*vnoattr_t) (const char *, va_list); +typedef vnoattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 0))) vattr_t; + +extern void foo1 (noattr_t); +extern void foo2 (attr_t); +extern void foo3 (vnoattr_t); +extern void foo4 (vattr_t); + +void +foo (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va) +{ + foo1 (na); + foo1 (a); /* { dg-warning "candidate" "parameter passing warning" } */ + foo2 (na); + foo2 (a); + + foo3 (vna); + foo3 (va); /* { dg-warning "candidate" "parameter passing warning" } */ + foo4 (vna); + foo4 (va); +} |