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Ziemowit Laski
2019-10-15 15:03:58 -07:00
parent 2ca52a4124
commit fcc1938143
1 changed files with 7 additions and 5 deletions
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12
cpp/ql/src/semmle/code/cpp/models/implementations/Memset.qll
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@@ -39,15 +39,17 @@ class MemsetFunction extends ArrayFunction, DataFlowFunction, AliasFunction, Sid
override predicate parameterIsAlwaysReturned(int index) {
not hasGlobalName("bzero") and index = 0
}
override predicate hasOnlySpecificReadSideEffects() { any() }
override predicate hasOnlySpecificWriteSideEffects() { any() }
override predicate hasSpecificWriteSideEffect(ParameterIndex i, boolean buffer, boolean mustWrite) {
i = 0 and buffer = true and mustWrite = true
}
override ParameterIndex getParameterSizeIndex(ParameterIndex i) {
i = 0 and if hasGlobalName("bzero") then result = 1 else result = 2
override ParameterIndex getParameterSizeIndex(ParameterIndex i) {
i = 0 and
if hasGlobalName("bzero") then result = 1 else result = 2
}
}