[clang] [clang][analyzer] StreamChecker: Add more APIs, invalidate fscanf args (PR #82476)

[Balázs Kéri via cfe-commits]

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@@ -396,6 +418,18 @@ class StreamChecker : public Checker<check::PreCall, eval::Call,
         0}},
       {{{"fileno"}, 1},
        {&StreamChecker::preDefault, &StreamChecker::evalFileno, 0}},
+      {{{"getc"}, 1},
+       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+        std::bind(&StreamChecker::evalFgetx, _1, _2, _3, _4, true), 0}},
+      {{{"vfscanf"}, 3},
+       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+        &StreamChecker::evalFscanf, 0}},
+      {{{"putc"}, 2},
+       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, false),
+        std::bind(&StreamChecker::evalFputx, _1, _2, _3, _4, true), 1}},
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balazske wrote:

Entry for `putc` belongs (directly) after `fputs` (or `fputc`).

https://github.com/llvm/llvm-project/pull/82476