https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117664
Bug ID: 117664
Summary: [15 regression] incompatible pointer type
[-Wincompatible-pointer-types]
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: juergen.reuter at desy dot de
Target Milestone: ---
Created attachment 59629
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59629&action=edit
Rperoducer, hopefully self-contained
Hello, very likely this is not a bug report, but some legacy code being sloppy,
so I would appreciate if you could check and maybe point me to a workaround for
the sloppiness. In any case, between Nov. 10 and Nov. 17 there was a commit to
the gcc master that made our included legacy code fail to compile with error
messages like:
$ gcc -I. -g -O2 -c stdhep_mcfio.c
stdhep_mcfio.c: In function ‘StdHepXdrRead’:
stdhep_mcfio.c:153:51: error: passing argument 3 of ‘mcfioC_Block’ from
incompatible pointer type [-Wincompatible-pointer-types]
153 | if (mcfioC_Block(istream,MCFIO_STDHEP,xdr_stdhep_) != -1) {
| ^~~~~~~~~~~
| |
| int (*)(void)
In file included from stdhep_mcfio.c:42:
mcfio_Block.h:10:9: note: expected ‘bool_t (*)(XDR *, int *, int *, char **)’
{aka ‘int (*)(struct __rpc_xdr *, int *, int *, char **)’} but argument is of
type ‘int (*)(void)’
10 | bool_t xdr_filtercode(XDR *xdrs, int *blockid, int *ntot, char
**version));
|
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stdhep_mcfio.c:162:52: error: passing argument 3 of ‘mcfioC_Block’ from
incompatible pointer type [-Wincompatible-pointer-types]
162 | if (mcfioC_Block(istream,MCFIO_STDHEPM,xdr_stdhep_multi_)
!= -1) {
| ^~~~~~~~~~~~~~~~~
| |
| int (*)(void)
mcfio_Block.h:10:9: note: expected ‘bool_t (*)(XDR *, int *, int *, char **)’
{aka ‘int (*)(struct __rpc_xdr *, int *, int *, char **)’} but argument is of
type ‘int (*)(void)’
10 | bool_t xdr_filtercode(XDR *xdrs, int *blockid, int *ntot, char
**version));
[...]
The reproducer is attached, I hope that it is self-contained.
Best,
Juergen
