35 lines
683 B
Diff
35 lines
683 B
Diff
--- a/shell/ash.c
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+++ b/shell/ash.c
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@@ -11875,8 +11875,17 @@
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const char *p;
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char **aptr;
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int flag = argv[0][0] == 'r'? VREADONLY : VEXPORT;
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+ int mask = ~0;
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+ int nopt;
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+ while ((nopt = nextopt("np"))) {
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+ if (nopt == 'n') {
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+ mask = ~flag;
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+ } else { /* p */
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+ break;
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+ }
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+ }
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- if (nextopt("p") != 'p') {
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+ if (nopt != 'p') {
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aptr = argptr;
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name = *aptr;
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if (name) {
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@@ -11888,10 +11897,12 @@
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vp = *findvar(hashvar(name), name);
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if (vp) {
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vp->flags |= flag;
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+ vp->flags &= mask;
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continue;
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}
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}
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setvar(name, p, flag);
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+ setvar(name, p, flag & mask);
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} while ((name = *++aptr) != NULL);
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return 0;
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}
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