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Index: busybox-1.4.2/shell/ash.c
===================================================================
--- busybox-1.4.2.orig/shell/ash.c 2007-06-04 13:21:32.248074216 +0200
+++ busybox-1.4.2/shell/ash.c 2007-06-04 13:21:34.000807760 +0200
@@ -12237,9 +12237,18 @@
const char *p;
char **aptr;
int flag = argv[0][0] == 'r'? VREADONLY : VEXPORT;
+ int mask = ~0;
int notp;
- notp = nextopt("p") - 'p';
+ while ((notp = nextopt("np"))) {
+ if (notp == 'n') {
+ mask = ~flag;
+ } else { /* p */
+ break;
+ }
+ }
+
+ notp -= 'p';
if (notp && ((name = *(aptr = argptr)))) {
do {
if ((p = strchr(name, '=')) != NULL) {
@@ -12247,10 +12256,11 @@
} else {
if ((vp = *findvar(hashvar(name), name))) {
vp->flags |= flag;
+ vp->flags &= mask;
continue;
}
}
- setvar(name, p, flag);
+ setvar(name, p, flag & mask);
} while ((name = *++aptr) != NULL);
} else {
showvars(argv[0], flag, 0);
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