http://llvm.org/bugs/show_bug.cgi?id=20102
Bug ID: 20102
Summary: Analyser gives a false positive because it assumes
errno can give a zero result after a failing function
call.
Product: clang
Version: 3.4
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 12694
--> http://llvm.org/bugs/attachment.cgi?id=12694&action=edit
The source that gives the false positive
Attached is code that gives a false positive when compiled with "clang
--analyze -Xclang -analyzer-output=text -o- -std=c99 static-analyzer.c
-DNDEBUG".
Clang should be able to tell that right after a failing function call errno can
never be zero.
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