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/* 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 <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#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.
*/
long* find_pid_by_name( const char* pidName)
{
long* pidList;
int i=0;
procps_status_t * p;
pidList = xmalloc(sizeof(long));
while ((p = procps_scan(0)) != 0)
{
if (strncmp(p->short_cmd, pidName, COMM_LEN-1) == 0) {
pidList=xrealloc( pidList, sizeof(long) * (i+2));
pidList[i++]=p->pid;
}
}
pidList[i] = i==0 ? -1 : 0;
return pidList;
}
long *pidlist_reverse(long *pidList)
{
int i=0;
while (pidList[i] > 0 && ++i);
if ( i-- > 0) {
long k;
int j;
for (j = 0; i > j; i--, j++) {
k = pidList[i];
pidList[i] = pidList[j];
pidList[j] = k;
}
}
return pidList;
}
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