package/busybox/patches/250-ash_export-n.patch

   1 --- busybox.old/shell/ash.c     2006-11-22 12:02:03.000000000 -0800
   2 +++ busybox.dev/shell/ash.c     2006-11-22 11:05:32.000000000 -0800
   3 @@ -12257,9 +12257,18 @@
   4         const char *p;
   5         char **aptr;
   6         int flag = argv[0][0] == 'r'? VREADONLY : VEXPORT;
   7 +       int mask = ~0;
   8         int notp;
   9
  10 -       notp = nextopt("p") - 'p';
  11 +       while ((notp = nextopt("np"))) {
  12 +               if (notp == 'n') {
  13 +                               mask = ~flag;
  14 +               } else { /* p */
  15 +                       break;
  16 +               }
  17 +       }
  18 +
  19 +       notp -= 'p';
  20         if (notp && ((name = *(aptr = argptr)))) {
  21                 do {
  22                         if ((p = strchr(name, '=')) != NULL) {
  23 @@ -12267,10 +12276,11 @@
  24                         } else {
  25                                 if ((vp = *findvar(hashvar(name), name))) {
  26                                         vp->flags |= flag;
  27 +                                       vp->flags &= mask;
  28                                         continue;
  29                                 }
  30                         }
  31 -                       setvar(name, p, flag);
  32 +                       setvar(name, p, flag & mask);
  33                 } while ((name = *++aptr) != NULL);
  34         } else {
  35                 showvars(argv[0], flag, 0);