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C++: clearer alert wording in integer-multiplication-cast-to-long

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Nick Rolfe
2018-09-03 16:56:56 +01:00
parent eac82f2a8a
commit 04e919df9d
2 changed files with 10 additions and 10 deletions
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2
cpp/ql/src/Likely Bugs/Arithmetic/IntMultToLong.ql
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@@ -103,4 +103,4 @@ where t1 = me.getType().getUnderlyingType() and
) and
e.(Literal).getType().getSize() = t2.getSize()
)
select me, "Cast to '" + me.getFullyConverted().getType().toString() + "' before multiplication to avoid potential overflow."
select me, "Multiplication result may overflow '" + me.getType().toString() + "' before it is converted to '" + me.getFullyConverted().getType().toString() + "'. Consider casting before multiplication to avoid potential overflow."

18
cpp/ql/test/query-tests/Likely Bugs/Arithmetic/IntMultToLong/IntMultToLong.expected
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@@ -1,9 +1,9 @@
| IntMultToLong.c:4:10:4:14 | ... * ... | Cast to 'long long' before multiplication to avoid potential overflow. |
| IntMultToLong.c:7:16:7:20 | ... * ... | Cast to 'long long' before multiplication to avoid potential overflow. |
| IntMultToLong.c:18:19:18:23 | ... * ... | Cast to 'double' before multiplication to avoid potential overflow. |
| IntMultToLong.c:21:19:21:29 | ... * ... | Cast to 'double' before multiplication to avoid potential overflow. |
| IntMultToLong.c:38:19:38:23 | ... * ... | Cast to 'double' before multiplication to avoid potential overflow. |
| IntMultToLong.c:59:20:59:31 | ... * ... | Cast to 'double' before multiplication to avoid potential overflow. |
| IntMultToLong.c:61:23:61:33 | ... * ... | Cast to 'long long' before multiplication to avoid potential overflow. |
| IntMultToLong.c:63:23:63:40 | ... * ... | Cast to 'long long' before multiplication to avoid potential overflow. |
| IntMultToLong.c:75:9:75:13 | ... * ... | Cast to 'size_t' before multiplication to avoid potential overflow. |
| IntMultToLong.c:4:10:4:14 | ... * ... | Multiplication result may overflow 'int' before it is converted to 'long long'. Consider casting before multiplication to avoid potential overflow. |
| IntMultToLong.c:7:16:7:20 | ... * ... | Multiplication result may overflow 'int' before it is converted to 'long long'. Consider casting before multiplication to avoid potential overflow. |
| IntMultToLong.c:18:19:18:23 | ... * ... | Multiplication result may overflow 'float' before it is converted to 'double'. Consider casting before multiplication to avoid potential overflow. |
| IntMultToLong.c:21:19:21:29 | ... * ... | Multiplication result may overflow 'float' before it is converted to 'double'. Consider casting before multiplication to avoid potential overflow. |
| IntMultToLong.c:38:19:38:23 | ... * ... | Multiplication result may overflow 'float' before it is converted to 'double'. Consider casting before multiplication to avoid potential overflow. |
| IntMultToLong.c:59:20:59:31 | ... * ... | Multiplication result may overflow 'float' before it is converted to 'double'. Consider casting before multiplication to avoid potential overflow. |
| IntMultToLong.c:61:23:61:33 | ... * ... | Multiplication result may overflow 'int' before it is converted to 'long long'. Consider casting before multiplication to avoid potential overflow. |
| IntMultToLong.c:63:23:63:40 | ... * ... | Multiplication result may overflow 'int' before it is converted to 'long long'. Consider casting before multiplication to avoid potential overflow. |
| IntMultToLong.c:75:9:75:13 | ... * ... | Multiplication result may overflow 'int' before it is converted to 'size_t'. Consider casting before multiplication to avoid potential overflow. |