replace /proc scanning code by more versatile one.

Use it where appropriate.
Stop scanning /etc/passwd *for every process*!!! (uid->username)
top: reduce memory usage - we won't save unneeded fields
from /proc info anymore. Downside: ~+250 bytes of code

1 files changed, 3 insertions, 3 deletions

diff --git a/libbb/find_pid_by_name.c b/libbb/find_pid_by_name.c
index 05f7f968f..e98616940 100644
--- a/libbb/find_pid_by_name.c
+++ b/libbb/find_pid_by_name.c
@@ -23,11 +23,11 @@ pid_t* find_pid_by_name(const char* procName)
 {
         pid_t* pidList;
         int i = 0;
-        procps_status_t* p;
+        procps_status_t* p = NULL;
 
         pidList = xmalloc(sizeof(*pidList));
-        while ((p = procps_scan(0)) != 0) {
-                if (strncmp(p->short_cmd, procName, COMM_LEN-1) == 0) {
+        while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_COMM))) {
+                if (strncmp(p->comm, procName, sizeof(p->comm)-1) == 0) {
                         pidList = xrealloc(pidList, sizeof(*pidList) * (i+2));
                         pidList[i++] = p->pid;
                 }