Fix a buffer overflow when optimizing or
nodes. Fixes #78.
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2
mpc.c
2
mpc.c
@@ -3725,7 +3725,7 @@ static void mpc_optimise_unretained(mpc_parser_t *p, int force) {
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n = p->data.or.n; m = t->data.or.n;
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p->data.or.n = n + m - 1;
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p->data.or.xs = realloc(p->data.or.xs, sizeof(mpc_parser_t*) * (n + m -1));
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memmove(p->data.or.xs + m, t->data.or.xs + 1, n * sizeof(mpc_parser_t*));
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memmove(p->data.or.xs + m, p->data.or.xs + 1, (n - 1) * sizeof(mpc_parser_t*));
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memmove(p->data.or.xs, t->data.or.xs, m * sizeof(mpc_parser_t*));
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free(t->data.or.xs); free(t->name); free(t);
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continue;
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