Fix warnings by using proper function prototype.
diff --git a/Modules/_ctypes/libffi/src/x86/ffi.c b/Modules/_ctypes/libffi/src/x86/ffi.c
index 7f792b7..cc63b6b 100644
--- a/Modules/_ctypes/libffi/src/x86/ffi.c
+++ b/Modules/_ctypes/libffi/src/x86/ffi.c
@@ -174,7 +174,7 @@
/*@out@*/ extended_cif *,
unsigned, unsigned,
/*@out@*/ unsigned *,
- void (*fn)());
+ void (*fn)(void));
/*@=declundef@*/
/*@=exportheader@*/
@@ -185,13 +185,13 @@
/*@out@*/ extended_cif *,
unsigned, unsigned,
/*@out@*/ unsigned *,
- void (*fn)());
+ void (*fn)(void));
/*@=declundef@*/
/*@=exportheader@*/
#endif /* X86_WIN32 */
void ffi_call(/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
+ void (*fn)(void),
/*@out@*/ void *rvalue,
/*@dependent@*/ void **avalue)
{
@@ -405,7 +405,7 @@
/*@out@*/ extended_cif *,
unsigned, unsigned,
/*@out@*/ unsigned *,
- void (*fn)());
+ void (*fn)(void));
#ifdef X86_WIN32
extern void
@@ -413,12 +413,12 @@
/*@out@*/ extended_cif *,
unsigned, unsigned,
/*@out@*/ unsigned *,
- void (*fn)());
+ void (*fn)(void));
#endif /* X86_WIN32 */
void
ffi_raw_call(/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
+ void (*fn)(void),
/*@out@*/ void *rvalue,
/*@dependent@*/ ffi_raw *fake_avalue)
{
diff --git a/Modules/_ctypes/libffi/src/x86/ffi64.c b/Modules/_ctypes/libffi/src/x86/ffi64.c
index c6cf330..fa352f7 100644
--- a/Modules/_ctypes/libffi/src/x86/ffi64.c
+++ b/Modules/_ctypes/libffi/src/x86/ffi64.c
@@ -42,7 +42,7 @@
};
extern void ffi_call_unix64 (void *args, unsigned long bytes, unsigned flags,
- void *raddr, void (*fnaddr)(), unsigned ssecount);
+ void *raddr, void (*fnaddr)(void), unsigned ssecount);
/* All reference to register classes here is identical to the code in
gcc/config/i386/i386.c. Do *not* change one without the other. */
@@ -339,7 +339,7 @@
}
void
-ffi_call (ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue)
+ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
{
enum x86_64_reg_class classes[MAX_CLASSES];
char *stack, *argp;