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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
static char *getprop(Atom atom);
static void setprop(Atom atom, char *value);
static Atom utf8;
static Display *dpy;
static Window win;
int
main(int argc, char *argv[])
{
char *value = NULL;
Atom atom;
if(!(dpy = XOpenDisplay(NULL))) {
fputs("sprop: cannot open display\n", stderr);
return 1;
}
switch(argc) {
case 4:
value = argv[3];
case 3:
atom = XInternAtom(dpy, argv[2], True);
utf8 = XInternAtom(dpy, "UTF8_STRING", True);
win = atol(argv[1]);
break;
case 2:
if(!strcmp(argv[1], "-v")) {
fputs("sprop-"VERSION", © 2010 Connor Lane Smith\n", stdout);
return 0;
}
default:
fprintf(stderr, "usage: sprop <xid> <atom> [<value>] [-v]\n");
return 1;
}
if(value)
setprop(atom, value);
else {
if(!(value = getprop(atom))) {
fputs("sprop: cannot get atom\n", stderr);
return 1;
}
printf("%s\n", value);
XFree(value);
}
XCloseDisplay(dpy);
return 0;
}
char *
getprop(Atom atom)
{
int di;
unsigned long dl;
unsigned char *p = NULL;
Atom da;
XGetWindowProperty(dpy, win, atom, 0, BUFSIZ, False, utf8, &da, &di, &dl, &dl, &p);
return (char *)p;
}
void
setprop(Atom atom, char *value)
{
XChangeProperty(dpy, win, atom, utf8, 8, PropModeReplace,
(unsigned char *)value, strlen(value));
}
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