mirror of
https://github.com/sheumann/hush.git
synced 2024-07-09 07:28:58 +00:00
35fb512728
find_pid_by_name() was returning 0 or -1 in last array element, but -1 was never checked. We can use just 0 intead.
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Utility routines.
|
|
*
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
/* find_pid_by_name()
|
|
*
|
|
* Modified by Vladimir Oleynik for use with libbb/procps.c
|
|
* This finds the pid of the specified process.
|
|
* Currently, it's implemented by rummaging through
|
|
* the proc filesystem.
|
|
*
|
|
* Returns a list of all matching PIDs
|
|
* It is the caller's duty to free the returned pidlist.
|
|
*/
|
|
pid_t* find_pid_by_name(const char* procName)
|
|
{
|
|
pid_t* pidList;
|
|
int i = 0;
|
|
procps_status_t* p;
|
|
|
|
pidList = xmalloc(sizeof(*pidList));
|
|
while ((p = procps_scan(0)) != 0) {
|
|
if (strncmp(p->short_cmd, procName, COMM_LEN-1) == 0) {
|
|
pidList = xrealloc(pidList, sizeof(*pidList) * (i+2));
|
|
pidList[i++] = p->pid;
|
|
}
|
|
}
|
|
|
|
pidList[i] = 0;
|
|
return pidList;
|
|
}
|
|
|
|
pid_t *pidlist_reverse(pid_t *pidList)
|
|
{
|
|
int i = 0;
|
|
while (pidList[i])
|
|
i++;
|
|
if (--i >= 0) {
|
|
pid_t k;
|
|
int j;
|
|
for (j = 0; i > j; i--, j++) {
|
|
k = pidList[i];
|
|
pidList[i] = pidList[j];
|
|
pidList[j] = k;
|
|
}
|
|
}
|
|
return pidList;
|
|
}
|