Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:26396 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752742AbcHPBwa (ORCPT ); Mon, 15 Aug 2016 21:52:30 -0400 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: [PATCHv2] src: remove use of the __P() macro From: Chuck Lever In-Reply-To: <1471294191-17800-1-git-send-email-yann.morin.1998@free.fr> Date: Mon, 15 Aug 2016 21:51:57 -0400 Cc: Linux NFS Mailing List , libtirpc List , Steve Dickson , Mike Frysinger Message-Id: References: <1471294191-17800-1-git-send-email-yann.morin.1998@free.fr> To: "Yann E. MORIN" Sender: linux-nfs-owner@vger.kernel.org List-ID: > On Aug 15, 2016, at 4:49 PM, Yann E. MORIN wrote: > > The __P() macro is a legacy compatibility macro aimed making pre-ANSI > (i.e. K&R) compilers that do not support function prototypes happy, > while still allowing such prototypes for ANSI-compliant compilers. > > Since virtually all compilers have been ANSI-compliant for a few decades > now, use of __P() is totally useless. > > Furthermore, __P() is defined in the non-standard sys/cdefs.h header. > This header is present in glibc and uClibc, and both have it included > from many of their headers. So, sys/cdefs.h is automagically included in > most cases and its macros are available. > > However, the musl C library does not provide this sys/cdefs.h header. > Thus, the build breaks on musl. > > For all the above reasons, get rid of __P() wherever it is used; just > always declare real function prototypes. > > Signed-off-by: "Yann E. MORIN" > Cc: Chuck Lever > Cc: Steve Dickson > Cc: Mike Frysinger This seems like a reasonable approach. Reviewed-by: Chuck Lever > --- > Changes v1 -> v2: > - don't include sys/cdefs.h; instead, get rid of the __P() use. > --- > src/check_bound.c | 2 +- > src/pmap_svc.c | 10 +++++----- > src/rpcb_svc.c | 10 +++++----- > src/rpcb_svc_4.c | 14 ++++++-------- > src/rpcb_svc_com.c | 46 +++++++++++++++++++++++----------------------- > src/rpcbind.c | 12 ++++++------ > src/util.c | 2 +- > src/warmstart.c | 4 ++-- > 8 files changed, 49 insertions(+), 51 deletions(-) > > diff --git a/src/check_bound.c b/src/check_bound.c > index c70b845..92bfd36 100644 > --- a/src/check_bound.c > +++ b/src/check_bound.c > @@ -70,7 +70,7 @@ static struct fdlist *fdhead; /* Link list of the check fd's */ > static struct fdlist *fdtail; > static char *nullstring = ""; > > -static bool_t check_bound __P((struct fdlist *, char *uaddr)); > +static bool_t check_bound(struct fdlist *, char *uaddr); > > /* > * Returns 1 if the given address is bound for the given addr & transport > diff --git a/src/pmap_svc.c b/src/pmap_svc.c > index ad28b93..4c744fe 100644 > --- a/src/pmap_svc.c > +++ b/src/pmap_svc.c > @@ -60,11 +60,11 @@ static char sccsid[] = "@(#)pmap_svc.c 1.23 89/04/05 Copyr 1984 Sun Micro"; > #include "rpcbind.h" > #include "xlog.h" > #include /* svc_getcaller routine definition */ > -static struct pmaplist *find_service_pmap __P((rpcprog_t, rpcvers_t, > - rpcprot_t)); > -static bool_t pmapproc_change __P((struct svc_req *, SVCXPRT *, u_long)); > -static bool_t pmapproc_getport __P((struct svc_req *, SVCXPRT *)); > -static bool_t pmapproc_dump __P((struct svc_req *, SVCXPRT *)); > +static struct pmaplist *find_service_pmap(rpcprog_t, rpcvers_t, > + rpcprot_t); > +static bool_t pmapproc_change(struct svc_req *, SVCXPRT *, u_long); > +static bool_t pmapproc_getport(struct svc_req *, SVCXPRT *); > +static bool_t pmapproc_dump(struct svc_req *, SVCXPRT *); > > /* > * Called for all the version 2 inquiries. > diff --git a/src/rpcb_svc.c b/src/rpcb_svc.c > index bd92201..709e3fb 100644 > --- a/src/rpcb_svc.c > +++ b/src/rpcb_svc.c > @@ -53,10 +53,10 @@ > #include "rpcbind.h" > #include "xlog.h" > > -static void *rpcbproc_getaddr_3_local __P((void *, struct svc_req *, SVCXPRT *, > - rpcvers_t)); > -static void *rpcbproc_dump_3_local __P((void *, struct svc_req *, SVCXPRT *, > - rpcvers_t)); > +static void *rpcbproc_getaddr_3_local(void *, struct svc_req *, SVCXPRT *, > + rpcvers_t); > +static void *rpcbproc_dump_3_local(void *, struct svc_req *, SVCXPRT *, > + rpcvers_t); > > /* > * Called by svc_getreqset. There is a separate server handle for > @@ -75,7 +75,7 @@ rpcb_service_3(struct svc_req *rqstp, SVCXPRT *transp) > } argument; > char *result; > xdrproc_t xdr_argument, xdr_result; > - void *(*local) __P((void *, struct svc_req *, SVCXPRT *, rpcvers_t)); > + void *(*local)(void *, struct svc_req *, SVCXPRT *, rpcvers_t); > rpcprog_t setprog = 0; > > rpcbs_procinfo(RPCBVERS_3_STAT, rqstp->rq_proc); > diff --git a/src/rpcb_svc_4.c b/src/rpcb_svc_4.c > index b673452..5094879 100644 > --- a/src/rpcb_svc_4.c > +++ b/src/rpcb_svc_4.c > @@ -54,13 +54,11 @@ > #include "rpcbind.h" > #include "xlog.h" > > -static void *rpcbproc_getaddr_4_local __P((void *, struct svc_req *, SVCXPRT *, > - rpcvers_t)); > -static void *rpcbproc_getversaddr_4_local __P((void *, struct svc_req *, SVCXPRT *, rpcvers_t)); > -static void *rpcbproc_getaddrlist_4_local > - __P((void *, struct svc_req *, SVCXPRT *, rpcvers_t)); > -static void free_rpcb_entry_list __P((rpcb_entry_list_ptr *)); > -static void *rpcbproc_dump_4_local __P((void *, struct svc_req *, SVCXPRT *, rpcvers_t)); > +static void *rpcbproc_getaddr_4_local(void *, struct svc_req *, SVCXPRT *, rpcvers_t); > +static void *rpcbproc_getversaddr_4_local(void *, struct svc_req *, SVCXPRT *, rpcvers_t); > +static void *rpcbproc_getaddrlist_4_local(void *, struct svc_req *, SVCXPRT *, rpcvers_t); > +static void free_rpcb_entry_list(rpcb_entry_list_ptr *); > +static void *rpcbproc_dump_4_local(void *, struct svc_req *, SVCXPRT *, rpcvers_t); > > /* > * Called by svc_getreqset. There is a separate server handle for > @@ -78,7 +76,7 @@ rpcb_service_4(struct svc_req *rqstp, SVCXPRT *transp) > } argument; > char *result; > xdrproc_t xdr_argument, xdr_result; > - void *(*local) __P((void *, struct svc_req *, SVCXPRT *, rpcvers_t)); > + void *(*local)(void *, struct svc_req *, SVCXPRT *, rpcvers_t); > rpcprog_t setprog = 0; > > rpcbs_procinfo(RPCBVERS_4_STAT, rqstp->rq_proc); > diff --git a/src/rpcb_svc_com.c b/src/rpcb_svc_com.c > index 148fe42..5862c26 100644 > --- a/src/rpcb_svc_com.c > +++ b/src/rpcb_svc_com.c > @@ -100,29 +100,29 @@ struct finfo { > static struct finfo FINFO[NFORWARD]; > > > -static bool_t xdr_encap_parms __P((XDR *, struct encap_parms *)); > -static bool_t xdr_rmtcall_args __P((XDR *, struct r_rmtcall_args *)); > -static bool_t xdr_rmtcall_result __P((XDR *, struct r_rmtcall_args *)); > -static bool_t xdr_opaque_parms __P((XDR *, struct r_rmtcall_args *)); > -static int find_rmtcallfd_by_netid __P((char *)); > -static SVCXPRT *find_rmtcallxprt_by_fd __P((int)); > -static int forward_register __P((u_int32_t, struct netbuf *, int, char *, > - rpcproc_t, rpcvers_t, u_int32_t *)); > -static struct finfo *forward_find __P((u_int32_t)); > -static int free_slot_by_xid __P((u_int32_t)); > -static int free_slot_by_index __P((int)); > -static int netbufcmp __P((struct netbuf *, struct netbuf *)); > -static struct netbuf *netbufdup __P((struct netbuf *)); > -static void netbuffree __P((struct netbuf *)); > -static int check_rmtcalls __P((struct pollfd *, int)); > -static void xprt_set_caller __P((SVCXPRT *, struct finfo *)); > -static void send_svcsyserr __P((SVCXPRT *, struct finfo *)); > -static void handle_reply __P((int, SVCXPRT *)); > -static void find_versions __P((rpcprog_t, char *, rpcvers_t *, rpcvers_t *)); > -static rpcblist_ptr find_service __P((rpcprog_t, rpcvers_t, char *)); > -static char *getowner __P((SVCXPRT *, char *, size_t)); > -static int add_pmaplist __P((RPCB *)); > -static int del_pmaplist __P((RPCB *)); > +static bool_t xdr_encap_parms(XDR *, struct encap_parms *); > +static bool_t xdr_rmtcall_args(XDR *, struct r_rmtcall_args *); > +static bool_t xdr_rmtcall_result(XDR *, struct r_rmtcall_args *); > +static bool_t xdr_opaque_parms(XDR *, struct r_rmtcall_args *); > +static int find_rmtcallfd_by_netid(char *); > +static SVCXPRT *find_rmtcallxprt_by_fd(int); > +static int forward_register(u_int32_t, struct netbuf *, int, char *, > + rpcproc_t, rpcvers_t, u_int32_t *); > +static struct finfo *forward_find(u_int32_t); > +static int free_slot_by_xid(u_int32_t); > +static int free_slot_by_index(int); > +static int netbufcmp(struct netbuf *, struct netbuf *); > +static struct netbuf *netbufdup(struct netbuf *); > +static void netbuffree(struct netbuf *); > +static int check_rmtcalls(struct pollfd *, int); > +static void xprt_set_caller(SVCXPRT *, struct finfo *); > +static void send_svcsyserr(SVCXPRT *, struct finfo *); > +static void handle_reply(int, SVCXPRT *); > +static void find_versions(rpcprog_t, char *, rpcvers_t *, rpcvers_t *); > +static rpcblist_ptr find_service(rpcprog_t, rpcvers_t, char *); > +static char *getowner(SVCXPRT *, char *, size_t); > +static int add_pmaplist(RPCB *); > +static int del_pmaplist(RPCB *); > > /* > * Set a mapping of program, version, netid > diff --git a/src/rpcbind.c b/src/rpcbind.c > index c4265cd..87ccdc2 100644 > --- a/src/rpcbind.c > +++ b/src/rpcbind.c > @@ -136,13 +136,13 @@ char *tcp_uaddr; /* Universal TCP address */ > static char servname[] = "rpcbind"; > static char superuser[] = "superuser"; > > -int main __P((int, char *[])); > +int main(int, char *[]); > > -static int init_transport __P((struct netconfig *)); > -static void rbllist_add __P((rpcprog_t, rpcvers_t, struct netconfig *, > - struct netbuf *)); > -static void terminate __P((int)); > -static void parseargs __P((int, char *[])); > +static int init_transport(struct netconfig *); > +static void rbllist_add(rpcprog_t, rpcvers_t, struct netconfig *, > + struct netbuf *); > +static void terminate(int); > +static void parseargs(int, char *[]); > > int > main(int argc, char *argv[]) > diff --git a/src/util.c b/src/util.c > index a6c835b..74b0284 100644 > --- a/src/util.c > +++ b/src/util.c > @@ -70,7 +70,7 @@ static struct sockaddr_in *local_in4; > static struct sockaddr_in6 *local_in6; > #endif > > -static int bitmaskcmp __P((void *, void *, void *, int)); > +static int bitmaskcmp(void *, void *, void *, int); > > /* > * For all bits set in "mask", compare the corresponding bits in > diff --git a/src/warmstart.c b/src/warmstart.c > index b6eb73e..122a058 100644 > --- a/src/warmstart.c > +++ b/src/warmstart.c > @@ -58,8 +58,8 @@ > #define PMAPFILE RPCBIND_STATEDIR "/portmap.xdr" > #endif > > -static bool_t write_struct __P((char *, xdrproc_t, void *)); > -static bool_t read_struct __P((char *, xdrproc_t, void *)); > +static bool_t write_struct(char *, xdrproc_t, void *); > +static bool_t read_struct(char *, xdrproc_t, void *); > > static bool_t > write_struct(char *filename, xdrproc_t structproc, void *list) > -- > 2.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Chuck Lever