PID should be stored in pid_t, not int or long.
find_pid_by_name() was returning 0 or -1 in last array element,
but -1 was never checked. We can use just 0 intead.
diff --git a/libbb/find_pid_by_name.c b/libbb/find_pid_by_name.c
index 247d79f..05f7f96 100644
--- a/libbb/find_pid_by_name.c
+++ b/libbb/find_pid_by_name.c
@@ -7,10 +7,6 @@
* 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()
@@ -23,30 +19,31 @@
* 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)
+pid_t* find_pid_by_name(const char* procName)
{
- long* pidList;
+ pid_t* pidList;
int i = 0;
procps_status_t* p;
- pidList = xmalloc(sizeof(long));
+ pidList = xmalloc(sizeof(*pidList));
while ((p = procps_scan(0)) != 0) {
- if (strncmp(p->short_cmd, pidName, COMM_LEN-1) == 0) {
- pidList = xrealloc( pidList, sizeof(long) * (i+2));
+ if (strncmp(p->short_cmd, procName, COMM_LEN-1) == 0) {
+ pidList = xrealloc(pidList, sizeof(*pidList) * (i+2));
pidList[i++] = p->pid;
}
}
- pidList[i] = i==0 ? -1 : 0;
+ pidList[i] = 0;
return pidList;
}
-long *pidlist_reverse(long *pidList)
+pid_t *pidlist_reverse(pid_t *pidList)
{
int i = 0;
- while (pidList[i] > 0 && ++i);
- if (i-- > 0) {
- long k;
+ while (pidList[i])
+ i++;
+ if (--i >= 0) {
+ pid_t k;
int j;
for (j = 0; i > j; i--, j++) {
k = pidList[i];