author | Anselm R. Garbe <garbeam@wmii.de> |
Tue, 11 Jul 2006 14:53:22 +0200 | |
changeset 12 | a2b399582afe |
parent 11 | ea9c08ec4b48 |
child 14 | 5c078b66347b |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
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* See LICENSE file for license details. |
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*/ |
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||
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
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#include <string.h> |
5 | 10 |
#include <sys/types.h> |
11 |
#include <sys/wait.h> |
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12 |
#include <unistd.h> |
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11 | 13 |
#include <X11/Xatom.h> |
5 | 14 |
|
15 |
#include "util.h" |
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2 | 16 |
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6 | 17 |
static char *shell = NULL; |
18 |
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2 | 19 |
void |
20 |
error(char *errstr, ...) { |
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21 |
va_list ap; |
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va_start(ap, errstr); |
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vfprintf(stderr, errstr, ap); |
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va_end(ap); |
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exit(1); |
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26 |
} |
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27 |
||
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
28 |
static void |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
29 |
bad_malloc(unsigned int size) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
30 |
{ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
31 |
fprintf(stderr, "fatal: could not malloc() %d bytes\n", |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
32 |
(int) size); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
33 |
exit(1); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
34 |
} |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
35 |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
36 |
void * |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
37 |
emallocz(unsigned int size) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
38 |
{ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
39 |
void *res = calloc(1, size); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
40 |
if(!res) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
41 |
bad_malloc(size); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
42 |
return res; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
43 |
} |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
44 |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
45 |
void * |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
46 |
emalloc(unsigned int size) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
47 |
{ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
48 |
void *res = malloc(size); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
49 |
if(!res) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
50 |
bad_malloc(size); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
51 |
return res; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
52 |
} |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
53 |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
54 |
void * |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
55 |
erealloc(void *ptr, unsigned int size) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
56 |
{ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
57 |
void *res = realloc(ptr, size); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
58 |
if(!res) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
59 |
bad_malloc(size); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
60 |
return res; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
61 |
} |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
62 |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
63 |
char * |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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estrdup(const char *str) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
65 |
{ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
66 |
void *res = strdup(str); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
67 |
if(!res) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
68 |
bad_malloc(strlen(str)); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
69 |
return res; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
70 |
} |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
71 |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
72 |
void |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
73 |
failed_assert(char *a, char *file, int line) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
74 |
{ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
75 |
fprintf(stderr, "Assertion \"%s\" failed at %s:%d\n", a, file, line); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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abort(); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
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} |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
78 |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
79 |
void |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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swap(void **p1, void **p2) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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81 |
{ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
82 |
void *tmp = *p1; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
83 |
*p1 = *p2; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
84 |
*p2 = tmp; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
85 |
} |
5 | 86 |
|
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void |
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6 | 88 |
spawn(Display *dpy, const char *cmd) |
5 | 89 |
{ |
6 | 90 |
if(!shell && !(shell = getenv("SHELL"))) |
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shell = "/bin/sh"; |
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||
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if(!cmd) |
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return; |
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if(fork() == 0) { |
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if(fork() == 0) { |
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if(dpy) |
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close(ConnectionNumber(dpy)); |
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9
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
6
diff
changeset
|
99 |
setsid(); |
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
6
diff
changeset
|
100 |
fprintf(stderr, "gridwm: execlp %s %s -c %s", shell, shell, cmd); |
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
6
diff
changeset
|
101 |
execlp(shell, shell, "-c", cmd, NULL); |
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
6
diff
changeset
|
102 |
fprintf(stderr, "gridwm: execlp %s", cmd); |
5 | 103 |
perror(" failed"); |
104 |
} |
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exit (0); |
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} |
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wait(0); |
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} |
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void |
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pipe_spawn(char *buf, unsigned int len, Display *dpy, const char *cmd) |
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{ |
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unsigned int l, n; |
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int pfd[2]; |
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115 |
||
116 |
if(!shell && !(shell = getenv("SHELL"))) |
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shell = "/bin/sh"; |
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||
119 |
if(!cmd) |
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return; |
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||
122 |
if(pipe(pfd) == -1) { |
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perror("pipe"); |
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exit(1); |
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} |
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126 |
||
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if(fork() == 0) { |
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if(dpy) |
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close(ConnectionNumber(dpy)); |
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9
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
6
diff
changeset
|
130 |
setsid(); |
6 | 131 |
dup2(pfd[1], STDOUT_FILENO); |
132 |
close(pfd[0]); |
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close(pfd[1]); |
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9
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
6
diff
changeset
|
134 |
execlp(shell, shell, "-c", cmd, NULL); |
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
6
diff
changeset
|
135 |
fprintf(stderr, "gridwm: execlp %s", cmd); |
6 | 136 |
perror(" failed"); |
137 |
} |
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else { |
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n = 0; |
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close(pfd[1]); |
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141 |
while(l > n) { |
|
142 |
if((l = read(pfd[0], buf + n, len - n)) < 1) |
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break; |
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n += l; |
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} |
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146 |
close(pfd[0]); |
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buf[n - 1] = 0; |
|
148 |
} |
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149 |
wait(0); |
|
150 |
} |
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11 | 151 |
|
152 |
||
153 |
unsigned char * |
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154 |
getselection(unsigned long offset, unsigned long *len, unsigned long *remain) |
|
155 |
{ |
|
156 |
Display *dpy; |
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157 |
Atom xa_clip_string; |
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158 |
Window w; |
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159 |
XEvent ev; |
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160 |
Atom typeret; |
|
161 |
int format; |
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162 |
unsigned char *data; |
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163 |
unsigned char *result = NULL; |
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164 |
||
165 |
dpy = XOpenDisplay(0); |
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166 |
if(!dpy) |
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return NULL; |
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168 |
xa_clip_string = XInternAtom(dpy, "_SEL_STRING", False); |
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169 |
w = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 10, 10, 200, 200, |
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1, CopyFromParent, CopyFromParent); |
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171 |
XConvertSelection(dpy, XA_PRIMARY, XA_STRING, xa_clip_string, |
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172 |
w, CurrentTime); |
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173 |
XFlush(dpy); |
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174 |
XNextEvent(dpy, &ev); |
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175 |
if(ev.type == SelectionNotify && ev.xselection.property != None) { |
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176 |
XGetWindowProperty(dpy, w, ev.xselection.property, offset, 4096L, False, |
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177 |
AnyPropertyType, &typeret, &format, len, remain, &data); |
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178 |
if(*len) { |
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179 |
result = emalloc(sizeof(unsigned char) * *len); |
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180 |
memcpy(result, data, *len); |
|
181 |
} |
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182 |
XDeleteProperty(dpy, w, ev.xselection.property); |
|
183 |
} |
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184 |
XDestroyWindow(dpy, w); |
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185 |
XCloseDisplay(dpy); |
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186 |
return result; |
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187 |
} |