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CPP: Improve deduction of %S types in FormattingFunction.qll.

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This commit is contained in:
Geoffrey White
2019-03-14 15:58:50 +00:00
parent 4a25c37ecc
commit eef050dd47
4 changed files with 23 additions and 17 deletions
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4
cpp/ql/test/query-tests/Likely Bugs/Format/WrongTypeFormatArguments/Linux_mixed_byte_wprintf/WrongTypeFormatArguments.expected
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@@ -2,5 +2,9 @@
| tests.cpp:19:15:19:22 | Hello | This argument should be of type 'char *' but is of type 'wchar_t *' |
| tests.cpp:26:17:26:24 | Hello | This argument should be of type 'char *' but is of type 'char16_t *' |
| tests.cpp:27:17:27:24 | Hello | This argument should be of type 'char *' but is of type 'wchar_t *' |
| tests.cpp:29:17:29:23 | Hello | This argument should be of type 'wchar_t *' but is of type 'char *' |
| tests.cpp:30:17:30:24 | Hello | This argument should be of type 'wchar_t *' but is of type 'char16_t *' |
| tests.cpp:34:36:34:43 | Hello | This argument should be of type 'char *' but is of type 'char16_t *' |
| tests.cpp:35:36:35:43 | Hello | This argument should be of type 'char *' but is of type 'wchar_t *' |
| tests.cpp:37:36:37:42 | Hello | This argument should be of type 'char16_t *' but is of type 'char *' |
| tests.cpp:39:36:39:43 | Hello | This argument should be of type 'char16_t *' but is of type 'wchar_t *' |

4
cpp/ql/test/query-tests/Likely Bugs/Format/WrongTypeFormatArguments/Linux_mixed_byte_wprintf/formattingFunction.expected
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@@ -1,3 +1,3 @@
| tests.cpp:8:5:8:10 | printf | char | char | char16_t, wchar_t | char16_t, wchar_t |
| tests.cpp:9:5:9:11 | wprintf | wchar_t | char | char16_t, wchar_t | char16_t, wchar_t |
| tests.cpp:10:5:10:12 | swprintf | char16_t | char | char16_t, wchar_t | char16_t, wchar_t |
| tests.cpp:9:5:9:11 | wprintf | wchar_t | char | wchar_t | wchar_t |
| tests.cpp:10:5:10:12 | swprintf | char16_t | char | char16_t | char16_t |

8
cpp/ql/test/query-tests/Likely Bugs/Format/WrongTypeFormatArguments/Linux_mixed_byte_wprintf/tests.cpp
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@@ -26,15 +26,15 @@ void tests() {
wprintf(L"%s", u"Hello"); // BAD: expecting char
wprintf(L"%s", L"Hello"); // BAD: expecting char
wprintf(L"%S", "Hello"); // BAD: expecting wchar_t [NOT DETECTED]
wprintf(L"%S", u"Hello"); // BAD: expecting wchar_t [NOT DETECTED]
wprintf(L"%S", "Hello"); // BAD: expecting wchar_t
wprintf(L"%S", u"Hello"); // BAD: expecting wchar_t
wprintf(L"%S", L"Hello"); // GOOD
swprintf(buffer, BUF_SIZE, u"%s", "Hello"); // GOOD
swprintf(buffer, BUF_SIZE, u"%s", u"Hello"); // BAD: expecting char
swprintf(buffer, BUF_SIZE, u"%s", L"Hello"); // BAD: expecting char
swprintf(buffer, BUF_SIZE, u"%S", "Hello"); // BAD: expecting char16_t [NOT DETECTED]
swprintf(buffer, BUF_SIZE, u"%S", "Hello"); // BAD: expecting char16_t
swprintf(buffer, BUF_SIZE, u"%S", u"Hello"); // GOOD
swprintf(buffer, BUF_SIZE, u"%S", L"Hello"); // BAD: expecting char16_t [NOT DETECTED]
swprintf(buffer, BUF_SIZE, u"%S", L"Hello"); // BAD: expecting char16_t
}