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| author | Aaron Ballman <aaron@aaronballman.com> | 2013-11-18 18:29:00 +0000 |
|---|---|---|
| committer | Aaron Ballman <aaron@aaronballman.com> | 2013-11-18 18:29:00 +0000 |
| commit | ef1cf830e089df74d25aebe623704909709668d9 (patch) | |
| tree | f78e5ab07c946f58374b6a900a6dbebec609e778 /clang/lib/Basic/SourceManager.cpp | |
| parent | eedd3064de4134419184386ebdba29179f385b94 (diff) | |
| download | llvm-ef1cf830e089df74d25aebe623704909709668d9.zip llvm-ef1cf830e089df74d25aebe623704909709668d9.tar.gz llvm-ef1cf830e089df74d25aebe623704909709668d9.tar.bz2 | |
Adding an assert to help catch possible buffer underruns.
llvm-svn: 195024
Diffstat (limited to 'clang/lib/Basic/SourceManager.cpp')
| -rw-r--r-- | clang/lib/Basic/SourceManager.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Basic/SourceManager.cpp b/clang/lib/Basic/SourceManager.cpp index 93e9a59..9d79551 100644 --- a/clang/lib/Basic/SourceManager.cpp +++ b/clang/lib/Basic/SourceManager.cpp @@ -1757,6 +1757,10 @@ FileID SourceManager::translateFile(const FileEntry *SourceFile) const { SourceLocation SourceManager::translateLineCol(FileID FID, unsigned Line, unsigned Col) const { + // Lines are used as a one-based index into a zero-based array. This assert + // checks for possible buffer underruns. + assert(Line != 0 && "Passed a zero-based line"); + if (FID.isInvalid()) return SourceLocation(); |