================
@@ -299,6 +299,21 @@ void error_fseek_0(void) {
fclose(F);
}
+void error_fflush(void) {
+ FILE *F = tmpfile();
+ int Ret;
+ fflush(NULL); // no-warning
+ if (!F) {
+ if ((Ret = fflush(F)) != EOF) // no-warning
+ clang_analyzer_eval(Ret == 0); // expected-warning {{TRUE}}
+ return;
+ }
+ if ((Ret = fflush(F)) != 0)
+ clang_analyzer_eval(Ret == EOF); // expected-warning {{TRUE}}
+ fclose(F);
+ fflush(F); // expected-warning {{Stream might be
already closed}}
+}
+
----------------
balazske wrote:
If the stream error state is reset by `fflush` another test is needed to check
if the reset works.
https://github.com/llvm/llvm-project/pull/74296
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