blob: d695d4858270cd77453b07babb7668b71b5e6c34 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
/**
* Magically finds the current's executable path
*
* I'm doing the do{}while(); trick because Linux (what I'm running) is not
* POSIX compilant and so lstat() cannot be trusted on /proc entries
*
* @return char* the path of the current executable
*/
char *get_dwm_path(){
struct stat s;
int r, length, rate = 42;
char *path = NULL;
if(lstat("/proc/self/exe", &s) == -1){
perror("lstat:");
return NULL;
}
length = s.st_size + 1 - rate;
do{
length+=rate;
free(path);
path = malloc(sizeof(char) * length);
if(path == NULL){
perror("malloc:");
return NULL;
}
r = readlink("/proc/self/exe", path, length);
if(r == -1){
perror("readlink:");
return NULL;
}
}while(r >= length);
path[r] = '\0';
return path;
}
/**
* self-restart
*
* Initially inspired by: Yu-Jie Lin
* https://sites.google.com/site/yjlnotes/notes/dwm
*/
void self_restart(const Arg *arg) {
char *const argv[] = {get_dwm_path(), NULL};
if(argv[0] == NULL){
return;
}
execv(argv[0], argv);
}
|
