ash: cleanup part 3

git-svn-id: svn://busybox.net/trunk/busybox@17955 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 46 insertions, 42 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 731b07996..3107181a6 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -1190,9 +1190,9 @@ varcmp(const char *p, const char *q)
                 q++;
         }
         if (c == '=')
-                c = 0;
+                c = '\0';
         if (d == '=')
-                d = 0;
+                d = '\0';
  out:
         return c - d;
 }
@@ -1469,7 +1469,8 @@ listsetvar(struct strlist *list_set_var, int flags)
         INT_OFF;
         do {
                 setvareq(lp->text, flags);
-        } while ((lp = lp->next));
+                lp = lp->next;
+        } while (lp);
         INT_ON;
 }
 
@@ -3790,7 +3791,8 @@ parse_command_args(char **argv, const char **path)
                                 /* run 'typecmd' for other options */
                                 return 0;
                         }
-                } while ((c = *cp++));
+                        c = *cp++;
+                } while (c);
         }
         return argv;
 }
@@ -6025,49 +6027,51 @@ ifsbreakup(char *string, struct arglist *arglist)
                                 q = p;
                                 if (*p == CTLESC)
                                         p++;
-                                if (strchr(ifs, *p)) {
-                                        if (!nulonly)
-                                                ifsspc = (strchr(defifs, *p) != NULL);
-                                        /* Ignore IFS whitespace at start */
-                                        if (q == start && ifsspc) {
-                                                p++;
-                                                start = p;
-                                                continue;
-                                        }
-                                        *q = '\0';
-                                        sp = stalloc(sizeof(*sp));
-                                        sp->text = start;
-                                        *arglist->lastp = sp;
-                                        arglist->lastp = &sp->next;
+                                if (!strchr(ifs, *p)) {
                                         p++;
-                                        if (!nulonly) {
-                                                for (;;) {
-                                                        if (p >= string + ifsp->endoff) {
-                                                                break;
-                                                        }
-                                                        q = p;
-                                                        if (*p == CTLESC)
+                                        continue;
+                                }
+                                if (!nulonly)
+                                        ifsspc = (strchr(defifs, *p) != NULL);
+                                /* Ignore IFS whitespace at start */
+                                if (q == start && ifsspc) {
+                                        p++;
+                                        start = p;
+                                        continue;
+                                }
+                                *q = '\0';
+                                sp = stalloc(sizeof(*sp));
+                                sp->text = start;
+                                *arglist->lastp = sp;
+                                arglist->lastp = &sp->next;
+                                p++;
+                                if (!nulonly) {
+                                        for (;;) {
+                                                if (p >= string + ifsp->endoff) {
+                                                        break;
+                                                }
+                                                q = p;
+                                                if (*p == CTLESC)
+                                                        p++;
+                                                if (strchr(ifs, *p) == NULL ) {
+                                                        p = q;
+                                                        break;
+                                                } else if (strchr(defifs, *p) == NULL) {
+                                                        if (ifsspc) {
                                                                 p++;
-                                                        if (strchr(ifs, *p) == NULL ) {
+                                                                ifsspc = 0;
+                                                        } else {
                                                                 p = q;
                                                                 break;
-                                                        } else if (strchr(defifs, *p) == NULL) {
-                                                                if (ifsspc) {
-                                                                        p++;
-                                                                        ifsspc = 0;
-                                                                } else {
-                                                                        p = q;
-                                                                        break;
-                                                                }
-                                                        } else
-                                                                p++;
-                                                }
+                                                        }
+                                                } else
+                                                        p++;
                                         }
-                                        start = p;
-                                } else
-                                        p++;
-                        }
-                } while ((ifsp = ifsp->next) != NULL);
+                                }
+                                start = p;
+                        } /* while */
+                        ifsp = ifsp->next;
+                } while (ifsp != NULL);
                 if (nulonly)
                         goto add;
         }