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@@ -0,0 +1,155 @@
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+--- busybox-1.11.1/shell/ash.c Wed Jun 25 14:51:23 2008
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++++ busybox-1.11.1-ash/shell/ash.c Wed Aug 6 00:47:45 2008
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+@@ -1569,14 +1569,14 @@
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+ static char *optptr; /* used by nextopt */
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+
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+ /*
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+- * XXX - should get rid of. have all builtins use getopt(3). the
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+- * library getopt must have the BSD extension static variable "optreset"
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+- * otherwise it can't be used within the shell safely.
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++ * XXX - should get rid of. Have all builtins use getopt(3).
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++ * The library getopt must have the BSD extension static variable
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++ * "optreset", otherwise it can't be used within the shell safely.
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+ *
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+- * Standard option processing (a la getopt) for builtin routines. The
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+- * only argument that is passed to nextopt is the option string; the
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+- * other arguments are unnecessary. It return the character, or '\0' on
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+- * end of input.
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++ * Standard option processing (a la getopt) for builtin routines.
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++ * The only argument that is passed to nextopt is the option string;
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++ * the other arguments are unnecessary. It returns the character,
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++ * or '\0' on end of input.
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+ */
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+ static int
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+ nextopt(const char *optstring)
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+@@ -1587,13 +1587,20 @@
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+
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+ p = optptr;
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+ if (p == NULL || *p == '\0') {
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++ /* We ate entire "-param", take next one */
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+ p = *argptr;
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+- if (p == NULL || *p != '-' || *++p == '\0')
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++ if (p == NULL)
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+ return '\0';
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++ if (*p != '-')
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++ return '\0';
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++ if (*++p == '\0') /* just "-" ? */
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++ return '\0';
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+ argptr++;
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+- if (LONE_DASH(p)) /* check for "--" */
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++ if (LONE_DASH(p)) /* "--" ? */
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+ return '\0';
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++ /* p => next "-param" */
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+ }
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++ /* p => some option char in the middle of a "-param" */
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+ c = *p++;
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+ for (q = optstring; *q != c;) {
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+ if (*q == '\0')
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+@@ -1602,8 +1609,11 @@
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+ q++;
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+ }
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+ if (*++q == ':') {
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+- if (*p == '\0' && (p = *argptr++) == NULL)
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+- ash_msg_and_raise_error("no arg for -%c option", c);
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++ if (*p == '\0') {
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++ p = *argptr++;
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++ if (p == NULL)
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++ ash_msg_and_raise_error("no arg for -%c option", c);
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++ }
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+ optionarg = p;
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+ p = NULL;
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+ }
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+@@ -7428,8 +7438,10 @@
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+ else if (c != 'p')
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+ abort();
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+ #endif
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+- if (verify)
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++ /* Mimic bash: just "command -v" doesn't complain, it's a nop */
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++ if (verify && (*argptr != NULL)) {
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+ return describe_command(*argptr, verify - VERIFY_BRIEF);
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++ }
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+
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+ return 0;
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+ }
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+@@ -7788,16 +7800,33 @@
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+ static void
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+ evaltree(union node *n, int flags)
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+ {
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++
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++ struct jmploc *volatile savehandler = exception_handler;
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++ struct jmploc jmploc;
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+ int checkexit = 0;
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+ void (*evalfn)(union node *, int);
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+- unsigned isor;
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+ int status;
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++
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+ if (n == NULL) {
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+ TRACE(("evaltree(NULL) called\n"));
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+- goto out;
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++ goto out1;
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+ }
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+ TRACE(("pid %d, evaltree(%p: %d, %d) called\n",
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+ getpid(), n, n->type, flags));
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++
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++ exception_handler = &jmploc;
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++ {
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++ int err = setjmp(jmploc.loc);
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++ if (err) {
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++ /* if it was a signal, check for trap handlers */
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++ if (exception == EXSIG)
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++ goto out;
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++ /* continue on the way out */
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++ exception_handler = savehandler;
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++ longjmp(exception_handler->loc, err);
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++ }
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++ }
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++
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+ switch (n->type) {
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+ default:
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+ #if DEBUG
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+@@ -7843,19 +7872,20 @@
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+ goto calleval;
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+ case NAND:
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+ case NOR:
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+- case NSEMI:
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++ case NSEMI: {
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++
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+ #if NAND + 1 != NOR
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+ #error NAND + 1 != NOR
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+ #endif
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+ #if NOR + 1 != NSEMI
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+ #error NOR + 1 != NSEMI
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+ #endif
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+- isor = n->type - NAND;
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++ unsigned is_or = n->type - NAND;
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+ evaltree(
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+ n->nbinary.ch1,
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+- (flags | ((isor >> 1) - 1)) & EV_TESTED
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++ (flags | ((is_or >> 1) - 1)) & EV_TESTED
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+ );
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+- if (!exitstatus == isor)
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++ if (!exitstatus == is_or)
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+ break;
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+ if (!evalskip) {
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+ n = n->nbinary.ch2;
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+@@ -7866,6 +7896,7 @@
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+ break;
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+ }
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+ break;
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++ }
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+ case NIF:
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+ evaltree(n->nif.test, EV_TESTED);
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+ if (evalskip)
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+@@ -7886,8 +7917,11 @@
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+ exitstatus = status;
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+ break;
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+ }
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++
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+ out:
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+- if ((checkexit & exitstatus))
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++ exception_handler = savehandler;
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++ out1:
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++ if (checkexit & exitstatus)
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+ evalskip |= SKIPEVAL;
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+ else if (pendingsig && dotrap())
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+ goto exexit;
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