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Paul Eggert authored
* ccl.c (CCL_CODE_MAX, GET_CCL_RANGE, GET_CCL_CODE, GET_CCL_INT): (IN_INT_RANGE): New macros. (ccl_driver): Use them to check for integer overflow when decoding a CCL program. Many of the new checks are whether XINT (x) fits in int; it doesn't always, on 64-bit hosts. The new version doesn't catch all possible integer overflows, but it's an improvement.
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