consolidate ESC sequences
[oweals/busybox.git] / procps / pidof.c
index 7805044330948efea5e26a73ea78cc260aa04315..bf5e7841aad8c61ac1b6e466db273beb38279fe6 100644 (file)
 #include "libbb.h"
 
 enum {
-       USE_FEATURE_PIDOF_SINGLE(OPTBIT_SINGLE,)
-       USE_FEATURE_PIDOF_OMIT(  OPTBIT_OMIT  ,)
-       OPT_SINGLE = USE_FEATURE_PIDOF_SINGLE((1<<OPTBIT_SINGLE)) + 0,
-       OPT_OMIT   = USE_FEATURE_PIDOF_OMIT(  (1<<OPTBIT_OMIT  )) + 0,
+       IF_FEATURE_PIDOF_SINGLE(OPTBIT_SINGLE,)
+       IF_FEATURE_PIDOF_OMIT(  OPTBIT_OMIT  ,)
+       OPT_SINGLE = IF_FEATURE_PIDOF_SINGLE((1<<OPTBIT_SINGLE)) + 0,
+       OPT_OMIT   = IF_FEATURE_PIDOF_OMIT(  (1<<OPTBIT_OMIT  )) + 0,
 };
 
 int pidof_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
@@ -28,19 +28,19 @@ int pidof_main(int argc UNUSED_PARAM, char **argv)
 
        /* do unconditional option parsing */
        opt = getopt32(argv, ""
-                       USE_FEATURE_PIDOF_SINGLE ("s")
-                       USE_FEATURE_PIDOF_OMIT("o:", &omits));
+                       IF_FEATURE_PIDOF_SINGLE ("s")
+                       IF_FEATURE_PIDOF_OMIT("o:", &omits));
 
 #if ENABLE_FEATURE_PIDOF_OMIT
        /* fill omit list.  */
        {
                llist_t *omits_p = omits;
-               while (omits_p) {
+               while (1) {
+                       omits_p = llist_find_str(omits_p, "%PPID");
+                       if (!omits_p)
+                               break;
                        /* are we asked to exclude the parent's process ID?  */
-                       if (strcmp(omits_p->data, "%PPID") == 0) {
-                               omits_p->data = utoa((unsigned)getppid());
-                       }
-                       omits_p = omits_p->link;
+                       omits_p->data = utoa((unsigned)getppid());
                }
        }
 #endif