[Swan-dev] FYI: recent Coverity warnings

[Antony Antony]

New defect(s) Reported-by: Coverity Scan
Showing 1 of 1 defect(s)


** CID 1457046:    (BAD_SHIFT)
/programs/whack/whack.c: 2114 in main()
/programs/whack/whack.c: 2125 in main()


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*** CID 1457046:    (BAD_SHIFT)
/programs/whack/whack.c: 2114 in main()
2108     		{
2109     			int ix = enum_match(&debug_names, optarg);
2110     			if (ix < 0) {
2111     				fprintf(stderr, "whack: unrecognized --debug '%s' option ignored",
2112     					optarg);
2113     			}
>>>     CID 1457046:    (BAD_SHIFT)
>>>     In expression "1UL << ix", shifting by a negative amount has undefined behavior.  The shift amount, "ix", is -1.
2114     			msg.debugging |= LELEM(ix);
2115     			continue;
2116     		}
2117     
2118     		case DBGOPT_IMPAIR:
2119     		{
/programs/whack/whack.c: 2125 in main()
2119     		{
2120     			int ix = enum_match(&impair_names, optarg);
2121     			if (ix < 0) {
2122     				fprintf(stderr, "whack: unrecognized --impair '%s' option ignored",
2123     					optarg);
2124     			}
>>>     CID 1457046:    (BAD_SHIFT)
>>>     In expression "1UL << ix", shifting by a negative amount has undefined behavior.  The shift amount, "ix", is -1.
2125     			msg.debugging |= LELEM(ix);
2126     			continue;
2127     		}
2128     
2129     		default:
2130     			/* DBG_* or IMPAIR_* flags */