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Merge pull request #17298 from paldepind/model-functions-that-dont-throw

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C++: Add basic modeling of functions that don't throw
This commit is contained in:
Simon Friis Vindum
2024-08-28 19:50:31 +02:00
committed by GitHub
parent 123c375d84 d1fecd869b
commit edeefe5bb6
12 changed files with 51 additions and 15 deletions
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1
cpp/ql/test/query-tests/Security/CWE/CWE-570/IncorrectAllocationErrorHandling.expected
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@@ -17,3 +17,4 @@
| test.cpp:229:15:229:35 | new | This allocation cannot throw. $@ is unnecessary. | test.cpp:231:16:231:19 | { ... } | This catch block |
| test.cpp:242:14:242:34 | new | This allocation cannot throw. $@ is unnecessary. | test.cpp:243:34:243:36 | { ... } | This catch block |
| test.cpp:276:17:276:31 | new[] | This allocation cannot return null. $@ is unnecessary. | test.cpp:277:8:277:12 | ! ... | This check |
| test.cpp:288:19:288:47 | new[] | This allocation cannot throw. $@ is unnecessary. | test.cpp:291:30:293:5 | { ... } | This catch block |

2
cpp/ql/test/query-tests/Security/CWE/CWE-570/test.cpp
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@@ -282,7 +282,7 @@ namespace qhelp {
}
// BAD: the allocation won't throw an exception, but
// instead return a null pointer. [NOT DETECTED]
// instead return a null pointer.
void bad2(std::size_t length) noexcept {
try {
int* dest = new(std::nothrow) int[length];