applications/xcwd
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fix segfault when getting gvim's cwd

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This commit is contained in:
Adrien Schildknecht 2013-05-01 21:53:00 +02:00
parent e414630f01
commit 54c82ee7f7
1 changed files with 11 additions and 5 deletions
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16
xcwd.c
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@ -191,15 +191,21 @@ static int readPath(long pid)
static void cwdOfDeepestChild(processes_t p, long pid)
{
int i;
struct proc_s key, *res = NULL, *lastRes;
struct proc_s key = {.ppid = pid}, *res = NULL, *lastRes = NULL;
do {
lastRes = res;
key.ppid = pid;
if(res) {
lastRes = res;
key.ppid = res->pid;
}
res = (struct proc_s *)bsearch(&key, p->ps, p->n,
sizeof(struct proc_s), ppidCmp);
pid = res ? res->pid : -1;
} while(pid != -1);
} while(res);
if(!lastRes) {
readPath(pid);
return;
}
for(i = 0; lastRes != p->ps && (lastRes - i)->ppid == lastRes->ppid; ++i)
if(readPath((lastRes - i)->pid))