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Index: busybox-1.4.2/shell/ash.c
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===================================================================
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--- busybox-1.4.2.orig/shell/ash.c 2007-06-04 13:21:32.248074216 +0200
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+++ busybox-1.4.2/shell/ash.c 2007-06-04 13:21:34.000807760 +0200
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@@ -12237,9 +12237,18 @@
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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 notp;
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- notp = nextopt("p") - 'p';
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+ while ((notp = nextopt("np"))) {
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+ if (notp == '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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+
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+ notp -= 'p';
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if (notp && ((name = *(aptr = argptr)))) {
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do {
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if ((p = strchr(name, '=')) != NULL) {
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@@ -12247,10 +12256,11 @@
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} else {
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if ((vp = *findvar(hashvar(name), name))) {
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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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} else {
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showvars(argv[0], flag, 0);
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