diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/format/miss-5.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/format/miss-5.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/miss-5.c b/gcc/testsuite/gcc.dg/format/miss-5.c new file mode 100644 index 0000000..eaf1473 --- /dev/null +++ b/gcc/testsuite/gcc.dg/format/miss-5.c @@ -0,0 +1,48 @@ +/* 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" } */ + +#include "format.h" + +typedef void (*noattr_t) (const char *, ...); +typedef noattr_t __attribute__ ((__format__(__printf__, 1, 2))) attr_t; + +typedef void (*vnoattr_t) (const char *, va_list); +typedef vnoattr_t __attribute__ ((__format__(__printf__, 1, 0))) vattr_t; + +noattr_t +foo1 (noattr_t na, attr_t a, int i) +{ + if (i) + return na; + else + return a; /* { dg-warning "candidate" "return type warning" } */ +} + +attr_t +foo2 (noattr_t na, attr_t a, int i) +{ + if (i) + return na; + else + return a; +} + +vnoattr_t +foo3 (vnoattr_t vna, vattr_t va, int i) +{ + if (i) + return vna; + else + return va; /* { dg-warning "candidate" "return type warning" } */ +} + +vattr_t +foo4 (vnoattr_t vna, vattr_t va, int i) +{ + if (i) + return vna; + else + return va; +} |