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42 lines
1.2 KiB
Markdown
42 lines
1.2 KiB
Markdown
# Improvements to C/C++ analysis
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The following changes in version 1.25 affect C/C++ analysis in all applications.
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## General improvements
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## New queries
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| **Query** | **Tags** | **Purpose** |
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|-----------------------------|-----------|--------------------------------------------------------------------|
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## Changes to existing queries
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| **Query** | **Expected impact** | **Change** |
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|----------------------------|------------------------|------------------------------------------------------------------|
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## Changes to libraries
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* The data-flow library has been improved, which affects most security queries by potentially
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adding more results. Flow through functions now takes nested field reads/writes into account.
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For example, the library is able to track flow from `taint()` to `sink()` via the method
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`getf2f1()` in
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```c
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struct C {
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int f1;
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};
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struct C2
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{
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C f2;
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int getf2f1() {
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return f2.f1; // Nested field read
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}
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void m() {
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f2.f1 = taint();
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sink(getf2f1()); // NEW: taint() reaches here
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}
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};
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```
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