================
@@ -248,3 +248,25 @@ void check_fflush_all(void) {
if (errno) {} // no-warning
}
}
+
+void check_opendir(const char *Path) {
+ DIR *Dir = opendir(Path);
+ if (Dir == NULL) {
+ clang_analyzer_eval(errno != 0); // expected-warning{{TRUE}}
+ if (errno) {} // no-warning
+ } else {
+ if (errno) {} // expected-warning{{An undefined value
may be read from 'errno'}}
+ closedir(Dir);
+ }
+}
+
+void check_fdopendir(int Fd) {
+ DIR *Dir = fdopendir(Fd);
+ if (Dir == NULL) {
+ clang_analyzer_eval(errno != 0); // expected-warning{{TRUE}}
+ if (errno) {} // no-warning
+ } else {
+ if (errno) {} // expected-warning{{An undefined value
may be read from 'errno'}}
+ closedir(Dir);
+ }
+}
----------------
balazske wrote:
I think for now it is not necessary to add tests for these functions. These
functions are the same type as all other functions in
`StdLibraryFunctionsChecker` that have currently no test. And it is
questionable if these functions belong to stream handling functions or to
`StreamChecker`.
https://github.com/llvm/llvm-project/pull/78079
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