| 1 | --- a/shell/ash.c |
| 2 | +++ b/shell/ash.c |
| 3 | @@ -12611,8 +12611,17 @@ exportcmd(int argc UNUSED_PARAM, char ** |
| 4 | const char *p; |
| 5 | char **aptr; |
| 6 | int flag = argv[0][0] == 'r' ? VREADONLY : VEXPORT; |
| 7 | + int mask = ~0; |
| 8 | + int nopt; |
| 9 | + while ((nopt = nextopt("np"))) { |
| 10 | + if (nopt == 'n') { |
| 11 | + mask = ~flag; |
| 12 | + } else { /* p */ |
| 13 | + break; |
| 14 | + } |
| 15 | + } |
| 16 | |
| 17 | - if (nextopt("p") != 'p') { |
| 18 | + if (nopt != 'p') { |
| 19 | aptr = argptr; |
| 20 | name = *aptr; |
| 21 | if (name) { |
| 22 | @@ -12624,10 +12633,12 @@ exportcmd(int argc UNUSED_PARAM, char ** |
| 23 | vp = *findvar(hashvar(name), name); |
| 24 | if (vp) { |
| 25 | vp->flags |= flag; |
| 26 | + vp->flags &= mask; |
| 27 | continue; |
| 28 | } |
| 29 | } |
| 30 | setvar(name, p, flag); |
| 31 | + setvar(name, p, flag & mask); |
| 32 | } while ((name = *++aptr) != NULL); |
| 33 | return 0; |
| 34 | } |
| 35 | |
