On Wed, Oct 01, 2014 at 05:41:11PM -0500, Kent R. Spillner wrote:
> ok kspillner@. It would be nice to replace some of those exit(1) with
> exit(EXIT_FAILURE), but that should be a separate diff that also updates the
> err/errx's as well.
In general EXIT_XXX is frowned upon in OpenBSD.
-Otto
>
>
> > On Oct 1, 2014, at 13:06, Fritjof Bornebusch <frit...@alokat.org> wrote:
> >
> >> On Wed, Oct 01, 2014 at 06:41:25PM +0100, Nicholas Marriott wrote:
> >> Looks good but you have missed out ident.c and rcsprog.c
> >
> > Ups, sorry.
> >
> >>
> >>
> >>> On Wed, Oct 01, 2014 at 11:19:29AM +0200, Fritjof Bornebusch wrote:
> >>> On Sat, Sep 27, 2014 at 07:10:01PM +0200, Fritjof Bornebusch wrote:
> >>> Hi,
> >>>
> >>>> Hi,
> >>>>
> >>>> after usage() was called, there is no where you can go.
> >>>
> >>> as suggested by otto@ and @nicm, the usage() functions are marked as
> >>> __dead.
> >>>
> >>>> fritjof
> >>>
> >>> fritjof
> >
> > fritjof
> >
> > Index: ci.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/ci.c,v
> > retrieving revision 1.217
> > diff -u -p -r1.217 ci.c
> > --- ci.c 19 May 2014 19:42:24 -0000 1.217
> > +++ ci.c 1 Oct 2014 08:38:31 -0000
> > @@ -89,7 +89,7 @@ static void checkin_parsekeyword(char *
> > static int checkin_update(struct checkin_params *);
> > static int checkin_revert(struct checkin_params *);
> >
> > -void
> > +__dead void
> > checkin_usage(void)
> > {
> > fprintf(stderr,
> > @@ -97,6 +97,8 @@ checkin_usage(void)
> > " [-j[rev]] [-k[rev]] [-l[rev]] [-M[rev]] [-mmsg]\n"
> > " [-Nsymbol] [-nsymbol] [-r[rev]] [-sstate] [-t[str]]\n"
> > " [-u[rev]] [-wusername] [-xsuffixes] [-ztz] file ...\n");
> > +
> > + exit(1);
> > }
> >
> > /*
> > @@ -221,7 +223,6 @@ checkin_main(int argc, char **argv)
> > break;
> > default:
> > (usage)();
> > - exit(1);
> > }
> > }
> >
> > @@ -231,7 +232,6 @@ checkin_main(int argc, char **argv)
> > if (argc == 0) {
> > warnx("no input file");
> > (usage)();
> > - exit(1);
> > }
> >
> > if ((pb.username = getlogin()) == NULL)
> > Index: co.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/co.c,v
> > retrieving revision 1.117
> > diff -u -p -r1.117 co.c
> > --- co.c 16 Apr 2013 20:24:45 -0000 1.117
> > +++ co.c 1 Oct 2014 08:38:40 -0000
> > @@ -79,7 +79,6 @@ checkout_main(int argc, char **argv)
> > if (RCS_KWEXP_INVAL(kflag)) {
> > warnx("invalid RCS keyword substitution mode");
> > (usage)();
> > - exit(1);
> > }
> > break;
> > case 'l':
> > @@ -141,7 +140,6 @@ checkout_main(int argc, char **argv)
> > break;
> > default:
> > (usage)();
> > - exit(1);
> > }
> > }
> >
> > @@ -151,7 +149,6 @@ checkout_main(int argc, char **argv)
> > if (argc == 0) {
> > warnx("no input file");
> > (usage)();
> > - exit (1);
> > }
> >
> > if ((username = getlogin()) == NULL)
> > @@ -222,13 +219,15 @@ checkout_main(int argc, char **argv)
> > return (ret);
> > }
> >
> > -void
> > +__dead void
> > checkout_usage(void)
> > {
> > fprintf(stderr,
> > "usage: co [-TV] [-ddate] [-f[rev]] [-I[rev]] [-kmode] [-l[rev]]\n"
> > " [-M[rev]] [-p[rev]] [-q[rev]] [-r[rev]] [-sstate]\n"
> > " [-u[rev]] [-w[user]] [-xsuffixes] [-ztz] file ...\n");
> > +
> > + exit(1);
> > }
> >
> > /*
> > Index: merge.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/merge.c,v
> > retrieving revision 1.7
> > diff -u -p -r1.7 merge.c
> > --- merge.c 23 Jul 2010 21:46:05 -0000 1.7
> > +++ merge.c 1 Oct 2014 08:38:52 -0000
> > @@ -77,7 +77,6 @@ merge_main(int argc, char **argv)
> > exit(0);
> > default:
> > (usage)();
> > - exit(D_ERROR);
> > }
> > }
> > argc -= optind;
> > @@ -86,7 +85,6 @@ merge_main(int argc, char **argv)
> > if (argc != 3) {
> > warnx("%s arguments", (argc < 3) ? "not enough" : "too many");
> > (usage)();
> > - exit(D_ERROR);
> > }
> >
> > for (; labels < 3; labels++)
> > @@ -113,9 +111,11 @@ merge_main(int argc, char **argv)
> > return (status);
> > }
> >
> > -void
> > +__dead void
> > merge_usage(void)
> > {
> > (void)fprintf(stderr,
> > "usage: merge [-EepqV] [-L label] file1 file2 file3\n");
> > +
> > + exit(D_ERROR);
> > }
> > Index: rcsclean.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/rcsclean.c,v
> > retrieving revision 1.52
> > diff -u -p -r1.52 rcsclean.c
> > --- rcsclean.c 28 Jul 2010 09:07:11 -0000 1.52
> > +++ rcsclean.c 1 Oct 2014 08:39:05 -0000
> > @@ -60,7 +60,6 @@ rcsclean_main(int argc, char **argv)
> > if (RCS_KWEXP_INVAL(kflag)) {
> > warnx("invalid RCS keyword substitution mode");
> > (usage)();
> > - exit(1);
> > }
> > break;
> > case 'n':
> > @@ -90,7 +89,6 @@ rcsclean_main(int argc, char **argv)
> > break;
> > default:
> > (usage)();
> > - exit(1);
> > }
> > }
> >
> > @@ -104,7 +102,6 @@ rcsclean_main(int argc, char **argv)
> > if ((dirp = opendir(".")) == NULL) {
> > warn("opendir");
> > (usage)();
> > - exit(1);
> > }
> >
> > while ((dp = readdir(dirp)) != NULL) {
> > @@ -121,12 +118,14 @@ rcsclean_main(int argc, char **argv)
> > return (0);
> > }
> >
> > -void
> > +__dead void
> > rcsclean_usage(void)
> > {
> > fprintf(stderr,
> > "usage: rcsclean [-TV] [-kmode] [-n[rev]] [-q[rev]] [-r[rev]]\n"
> > " [-u[rev]] [-xsuffixes] [-ztz] [file ...]\n");
> > +
> > + exit(1);
> > }
> >
> > static void
> > Index: rcsdiff.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/rcsdiff.c,v
> > retrieving revision 1.79
> > diff -u -p -r1.79 rcsdiff.c
> > --- rcsdiff.c 16 Apr 2013 20:24:45 -0000 1.79
> > +++ rcsdiff.c 1 Oct 2014 08:40:05 -0000
> > @@ -117,7 +117,6 @@ rcsdiff_main(int argc, char **argv)
> > if (RCS_KWEXP_INVAL(kflag)) {
> > warnx("invalid RCS keyword substitution mode");
> > (usage)();
> > - exit(D_ERROR);
> > }
> > break;
> > case 'n':
> > @@ -184,7 +183,6 @@ rcsdiff_main(int argc, char **argv)
> > break;
> > default:
> > (usage)();
> > - exit(D_ERROR);
> > }
> > }
> >
> > @@ -194,7 +192,6 @@ rcsdiff_main(int argc, char **argv)
> > if (argc == 0) {
> > warnx("no input file");
> > (usage)();
> > - exit(D_ERROR);
> > }
> >
> > if (diff_ignore_pats != NULL) {
> > @@ -267,12 +264,14 @@ rcsdiff_main(int argc, char **argv)
> > return (status);
> > }
> >
> > -void
> > +__dead void
> > rcsdiff_usage(void)
> > {
> > fprintf(stderr,
> > "usage: rcsdiff [-cnquV] [-kmode] [-rrev] [-xsuffixes] [-ztz]\n"
> > " [diff_options] file ...\n");
> > +
> > + exit(D_ERROR);
> > }
> >
> > static int
> > Index: rcsmerge.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/rcsmerge.c,v
> > retrieving revision 1.52
> > diff -u -p -r1.52 rcsmerge.c
> > --- rcsmerge.c 23 Jul 2010 21:46:05 -0000 1.52
> > +++ rcsmerge.c 1 Oct 2014 08:40:14 -0000
> > @@ -68,7 +68,6 @@ rcsmerge_main(int argc, char **argv)
> > if (RCS_KWEXP_INVAL(kflag)) {
> > warnx("invalid RCS keyword substitution mode");
> > (usage)();
> > - exit(D_ERROR);
> > }
> > break;
> > case 'p':
> > @@ -100,7 +99,6 @@ rcsmerge_main(int argc, char **argv)
> > break;
> > default:
> > (usage)();
> > - exit(D_ERROR);
> > }
> > }
> >
> > @@ -110,13 +108,11 @@ rcsmerge_main(int argc, char **argv)
> > if (rev_str1 == NULL) {
> > warnx("no base revision number given");
> > (usage)();
> > - exit(D_ERROR);
> > }
> >
> > if (argc < 1) {
> > warnx("no input file");
> > (usage)();
> > - exit(D_ERROR);
> > }
> >
> > if (argc > 2 || (argc == 2 && argv[1] != NULL))
> > @@ -187,10 +183,12 @@ out:
> > return (status);
> > }
> >
> > -void
> > +__dead void
> > rcsmerge_usage(void)
> > {
> > fprintf(stderr,
> > "usage: rcsmerge [-EV] [-kmode] [-p[rev]] [-q[rev]]\n"
> > " [-xsuffixes] [-ztz] -rrev file ...\n");
> > +
> > + exit(D_ERROR);
> > }
> > Index: rlog.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/rlog.c,v
> > retrieving revision 1.67
> > diff -u -p -r1.67 rlog.c
> > --- rlog.c 7 Jan 2014 14:08:16 -0000 1.67
> > +++ rlog.c 1 Oct 2014 08:40:26 -0000
> > @@ -58,13 +58,15 @@ static char *wlist = NULL;
> > static char *revisions = NULL;
> > static char *rlog_dates = NULL;
> >
> > -void
> > +__dead void
> > rlog_usage(void)
> > {
> > fprintf(stderr,
> > "usage: rlog [-bhLNRtV] [-ddates] [-l[lockers]] [-r[revs]]\n"
> > " [-sstates] [-w[logins]] [-xsuffixes]\n"
> > " [-ztz] file ...\n");
> > +
> > + exit(1);
> > }
> >
> > int
> > @@ -135,7 +137,6 @@ rlog_main(int argc, char **argv)
> > break;
> > default:
> > (usage());
> > - exit(1);
> > }
> > }
> >
> > @@ -145,7 +146,6 @@ rlog_main(int argc, char **argv)
> > if (argc == 0) {
> > warnx("no input file");
> > (usage)();
> > - exit(1);
> > }
> >
> > if (hflag == 1 && tflag == 1) {
> > Index: ident.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/ident.c,v
> > retrieving revision 1.29
> > diff -u -p -r1.29 ident.c
> > --- ident.c 20 Apr 2011 19:34:16 -0000 1.29
> > +++ ident.c 1 Oct 2014 18:01:22 -0000
> > @@ -59,7 +59,6 @@ ident_main(int argc, char **argv)
> > exit(0);
> > default:
> > (usage)();
> > - exit(1);
> > }
> > }
> >
> > @@ -161,8 +160,10 @@ out:
> > buf_free(bp);
> > }
> >
> > -void
> > +__dead void
> > ident_usage(void)
> > {
> > fprintf(stderr, "usage: ident [-qV] [file ...]\n");
> > +
> > + exit(1);
> > }
> > Index: rcsprog.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/rcsprog.c,v
> > retrieving revision 1.151
> > diff -u -p -r1.151 rcsprog.c
> > --- rcsprog.c 12 Jul 2011 21:00:32 -0000 1.151
> > +++ rcsprog.c 1 Oct 2014 18:01:34 -0000
> > @@ -158,13 +158,15 @@ main(int argc, char **argv)
> > }
> >
> >
> > -void
> > +__dead void
> > rcs_usage(void)
> > {
> > fprintf(stderr,
> > "usage: rcs [-IiLqTUV] [-Aoldfile] [-ausers] [-b[rev]]\n"
> > " [-cstring] [-e[users]] [-kmode] [-l[rev]] [-mrev:msg]\n"
> > " [-orev] [-t[str]] [-u[rev]] [-xsuffixes] file ...\n");
> > +
> > + exit(1);
> > }
> >
> > /*
> > @@ -225,7 +227,6 @@ rcs_main(int argc, char **argv)
> > if (RCS_KWEXP_INVAL(kflag)) {
> > warnx("invalid RCS keyword substitution mode");
> > (usage)();
> > - exit(1);
> > }
> > break;
> > case 'L':
> > @@ -290,7 +291,6 @@ rcs_main(int argc, char **argv)
> > break;
> > default:
> > (usage)();
> > - exit(1);
> > }
> > }
> >
> > @@ -300,7 +300,6 @@ rcs_main(int argc, char **argv)
> > if (argc == 0) {
> > warnx("no input file");
> > (usage)();
> > - exit(1);
> > }
> >
> > for (i = 0; i < argc; i++) {
> > Index: rcsprog.h
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/rcs/rcsprog.h,v
> > retrieving revision 1.63
> > diff -u -p -r1.63 rcsprog.h
> > --- rcsprog.h 23 Jul 2010 21:46:05 -0000 1.63
> > +++ rcsprog.h 1 Oct 2014 18:01:42 -0000
> > @@ -86,44 +86,44 @@ extern struct wklhead temp_files;
> > time_t date_parse(const char *);
> >
> > /* ci.c */
> > -int checkin_main(int, char **);
> > -void checkin_usage(void);
> > +int checkin_main(int, char **);
> > +__dead void checkin_usage(void);
> >
> > /* co.c */
> > -int checkout_main(int, char **);
> > -int checkout_rev(RCSFILE *, RCSNUM *, const char *, int, const char *,
> > - const char *, const char *, const char *);
> > -void checkout_usage(void);
> > +int checkout_main(int, char **);
> > +int checkout_rev(RCSFILE *, RCSNUM *, const char *,
> > + int, const char *, const char *, const char *, const char *);
> > +__dead void checkout_usage(void);
> >
> > /* ident.c */
> > -int ident_main(int, char **);
> > -void ident_usage(void);
> > +int ident_main(int, char **);
> > +__dead void ident_usage(void);
> >
> > /* merge.c */
> > -int merge_main(int, char **);
> > -void merge_usage(void);
> > +int merge_main(int, char **);
> > +__dead void merge_usage(void);
> >
> > /* rcsclean.c */
> > -int rcsclean_main(int, char **);
> > -void rcsclean_usage(void);
> > +int rcsclean_main(int, char **);
> > +__dead void rcsclean_usage(void);
> >
> > /* rcsdiff.c */
> > -int rcsdiff_main(int, char **);
> > -void rcsdiff_usage(void);
> > +int rcsdiff_main(int, char **);
> > +__dead void rcsdiff_usage(void);
> >
> > /* rcsmerge.c */
> > -int rcsmerge_main(int, char **);
> > -void rcsmerge_usage(void);
> > +int rcsmerge_main(int, char **);
> > +__dead void rcsmerge_usage(void);
> >
> > /* rcsprog.c */
> > -int build_cmd(char ***, char **, int);
> > -int rcs_getopt(int, char **, const char *);
> > -int rcs_main(int, char **);
> > -void rcs_usage(void);
> > -void (*usage)(void);
> > +int build_cmd(char ***, char **, int);
> > +int rcs_getopt(int, char **, const char *);
> > +int rcs_main(int, char **);
> > +__dead void rcs_usage(void);
> > +void (*usage)(void);
> >
> > /* rlog.c */
> > -int rlog_main(int, char **);
> > -void rlog_usage(void);
> > +int rlog_main(int, char **);
> > +__dead void rlog_usage(void);
> >
> > #endif /* RCSPROG_H */
> >
