This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG7dc81c624433: [clang][analyzer] Fix 
StdLibraryFunctionsChecker 'mkdir' return value. (authored by 
balazske).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D127277/new/

https://reviews.llvm.org/D127277

Files:
  clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp


Index: clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp
===================================================================
--- clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp
+++ clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp
@@ -1904,44 +1904,40 @@
                 ArgumentCondition(1, WithinRange, Range(0, SizeMax))));
 
     // int mkdir(const char *pathname, mode_t mode);
-    // FIXME: returns 0 on success, ReturnsValidFileDescriptor is incorrect
     addToFunctionSummaryMap(
         "mkdir", Signature(ArgTypes{ConstCharPtrTy, Mode_tTy}, RetType{IntTy}),
         Summary(NoEvalCall)
-            .Case(ReturnsValidFileDescriptor, ErrnoMustNotBeChecked)
+            .Case(ReturnsZero, ErrnoMustNotBeChecked)
             .Case(ReturnsMinusOne, ErrnoNEZeroIrrelevant)
             .ArgConstraint(NotNull(ArgNo(0))));
 
     // int mkdirat(int dirfd, const char *pathname, mode_t mode);
-    // FIXME: returns 0 on success, ReturnsValidFileDescriptor is incorrect
     addToFunctionSummaryMap(
         "mkdirat",
         Signature(ArgTypes{IntTy, ConstCharPtrTy, Mode_tTy}, RetType{IntTy}),
         Summary(NoEvalCall)
-            .Case(ReturnsValidFileDescriptor, ErrnoMustNotBeChecked)
+            .Case(ReturnsZero, ErrnoMustNotBeChecked)
             .Case(ReturnsMinusOne, ErrnoNEZeroIrrelevant)
             .ArgConstraint(NotNull(ArgNo(1))));
 
     Optional<QualType> Dev_tTy = lookupTy("dev_t");
 
     // int mknod(const char *pathname, mode_t mode, dev_t dev);
-    // FIXME: returns 0 on success, ReturnsValidFileDescriptor is incorrect
     addToFunctionSummaryMap(
         "mknod",
         Signature(ArgTypes{ConstCharPtrTy, Mode_tTy, Dev_tTy}, RetType{IntTy}),
         Summary(NoEvalCall)
-            .Case(ReturnsValidFileDescriptor, ErrnoMustNotBeChecked)
+            .Case(ReturnsZero, ErrnoMustNotBeChecked)
             .Case(ReturnsMinusOne, ErrnoNEZeroIrrelevant)
             .ArgConstraint(NotNull(ArgNo(0))));
 
     // int mknodat(int dirfd, const char *pathname, mode_t mode, dev_t dev);
-    // FIXME: returns 0 on success, ReturnsValidFileDescriptor is incorrect
     addToFunctionSummaryMap(
         "mknodat",
         Signature(ArgTypes{IntTy, ConstCharPtrTy, Mode_tTy, Dev_tTy},
                   RetType{IntTy}),
         Summary(NoEvalCall)
-            .Case(ReturnsValidFileDescriptor, ErrnoMustNotBeChecked)
+            .Case(ReturnsZero, ErrnoMustNotBeChecked)
             .Case(ReturnsMinusOne, ErrnoNEZeroIrrelevant)
             .ArgConstraint(NotNull(ArgNo(1))));
 


Index: clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp
===================================================================
--- clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp
+++ clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp
@@ -1904,44 +1904,40 @@
                 ArgumentCondition(1, WithinRange, Range(0, SizeMax))));
 
     // int mkdir(const char *pathname, mode_t mode);
-    // FIXME: returns 0 on success, ReturnsValidFileDescriptor is incorrect
     addToFunctionSummaryMap(
         "mkdir", Signature(ArgTypes{ConstCharPtrTy, Mode_tTy}, RetType{IntTy}),
         Summary(NoEvalCall)
-            .Case(ReturnsValidFileDescriptor, ErrnoMustNotBeChecked)
+            .Case(ReturnsZero, ErrnoMustNotBeChecked)
             .Case(ReturnsMinusOne, ErrnoNEZeroIrrelevant)
             .ArgConstraint(NotNull(ArgNo(0))));
 
     // int mkdirat(int dirfd, const char *pathname, mode_t mode);
-    // FIXME: returns 0 on success, ReturnsValidFileDescriptor is incorrect
     addToFunctionSummaryMap(
         "mkdirat",
         Signature(ArgTypes{IntTy, ConstCharPtrTy, Mode_tTy}, RetType{IntTy}),
         Summary(NoEvalCall)
-            .Case(ReturnsValidFileDescriptor, ErrnoMustNotBeChecked)
+            .Case(ReturnsZero, ErrnoMustNotBeChecked)
             .Case(ReturnsMinusOne, ErrnoNEZeroIrrelevant)
             .ArgConstraint(NotNull(ArgNo(1))));
 
     Optional<QualType> Dev_tTy = lookupTy("dev_t");
 
     // int mknod(const char *pathname, mode_t mode, dev_t dev);
-    // FIXME: returns 0 on success, ReturnsValidFileDescriptor is incorrect
     addToFunctionSummaryMap(
         "mknod",
         Signature(ArgTypes{ConstCharPtrTy, Mode_tTy, Dev_tTy}, RetType{IntTy}),
         Summary(NoEvalCall)
-            .Case(ReturnsValidFileDescriptor, ErrnoMustNotBeChecked)
+            .Case(ReturnsZero, ErrnoMustNotBeChecked)
             .Case(ReturnsMinusOne, ErrnoNEZeroIrrelevant)
             .ArgConstraint(NotNull(ArgNo(0))));
 
     // int mknodat(int dirfd, const char *pathname, mode_t mode, dev_t dev);
-    // FIXME: returns 0 on success, ReturnsValidFileDescriptor is incorrect
     addToFunctionSummaryMap(
         "mknodat",
         Signature(ArgTypes{IntTy, ConstCharPtrTy, Mode_tTy, Dev_tTy},
                   RetType{IntTy}),
         Summary(NoEvalCall)
-            .Case(ReturnsValidFileDescriptor, ErrnoMustNotBeChecked)
+            .Case(ReturnsZero, ErrnoMustNotBeChecked)
             .Case(ReturnsMinusOne, ErrnoNEZeroIrrelevant)
             .ArgConstraint(NotNull(ArgNo(1))));
 
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