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revisit old program of mine, make it look a bit more like sysctl after

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simplifications.

okay matthieu@
This commit is contained in:
espie 2013-08-26 19:25:10 +00:00
parent 55a2efc249
commit 6d7d129731
2 changed files with 9 additions and 16 deletions
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6
app/xvctl/xvctl.1
View File

@ -1,4 +1,4 @@
.\" $OpenBSD: xvctl.1,v 1.2 2010/03/20 20:13:27 schwarze Exp $
.\" $OpenBSD: xvctl.1,v 1.3 2013/08/26 19:25:10 espie Exp $
.\"
.\" Copyright (c) 2001 Marc Espie
.\"
@ -75,12 +75,10 @@ affect adaptor #
By default, the first display adaptor will be chosen.
.It Fl a
list all the currently available gettable attributes.
This is the default, if no parameters are givne.
.It Fl n
suppress printing of the field name, only output the field value.
Useful for setting shell variables.
.It Fl w
required to set a variable. The name should be followed
by an equal sign and the new value.
.El
.Sh SEE ALSO
.Xr xvinfo 1 ,

19
app/xvctl/xvctl.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: xvctl.c,v 1.2 2009/05/02 19:18:13 oga Exp $ */
/* $OpenBSD: xvctl.c,v 1.3 2013/08/26 19:25:10 espie Exp $ */
/*
* Copyright (c) 2001 Marc Espie.
*
@ -38,7 +38,7 @@ usage()
{
fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n",
"xvctl [-n] [-d display] [-s screen] [-A adaptor] variable ...",
"xvctl [-n] [-d display] [-s screen] [-A adaptor] -w variable=value ...",
"xvctl [-n] [-d display] [-s screen] [-A adaptor] variable=value ...",
"xvctl [-n] [-d display] [-s screen] [-A adaptor] -a");
exit(1);
}
@ -85,7 +85,7 @@ printattribute(Display *dpy, XvPortID id, int nflag, XvAttribute *a)
if (atom != None)
if (Success == XvGetPortAttribute(dpy, id, atom, &v)) {
if (!nflag)
printf("%s = ", reformat(a->name));
printf("%s=", reformat(a->name));
printf("%d\n", v);
}
}
@ -144,7 +144,7 @@ showvar(Display *dpy, XvPortID id, int nflag, XvAttribute table[], int nattr,
}
void
parse(Display *dpy, XvPortID id, int nflag, int wflag, XvAttribute table[],
parse(Display *dpy, XvPortID id, int nflag, XvAttribute table[],
int nattr, const char *s)
{
char buf[BUFSIZ];
@ -158,8 +158,6 @@ parse(Display *dpy, XvPortID id, int nflag, int wflag, XvAttribute table[],
char *end;
char *tail;
if (!wflag)
errx(2, "Can't set variables without -w");
tail = cp;
while (tail > buf && isspace(tail[-1]))
tail--;
@ -189,7 +187,6 @@ main(int argc, char *argv[])
int ch;
int aflag = 0;
int nflag = 0;
int wflag = 0;
char *display = NULL;
int screen = -1;
int nscreens;
@ -219,7 +216,7 @@ main(int argc, char *argv[])
nflag = 1;
break;
case 'w':
wflag = 1;
/* flag no longer needed */
break;
default:
usage();
@ -236,7 +233,7 @@ main(int argc, char *argv[])
errx(1, "No X-Video extension on %s", displayname(display));
if (!nflag)
printf("X-Video extension version %i.%i on %s\n", ver, rev,
printf("# X-Video extension version %i.%i on %s\n", ver, rev,
displayname(display));
nscreens = ScreenCount(dpy);
@ -258,12 +255,10 @@ main(int argc, char *argv[])
if (argc == 0) {
if (!aflag)
usage();
showall(dpy, ainfo[adaptor].base_id, nflag, table, nattr);
}
for (; *argv != NULL; ++argv)
parse(dpy, ainfo[adaptor].base_id, nflag, wflag, table,
parse(dpy, ainfo[adaptor].base_id, nflag, table,
nattr, *argv);
XFree(table);
exit(0);