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Make LLVM command-line tools overwrite their output files without -f.

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This is conventional command-line tool behavior. -f now just means
"enable binary output on terminals".

Add a -f option to llvm-extract and llvm-link, for consistency.

Remove F_Force from raw_fd_ostream and enable overwriting and
truncating by default. Introduce an F_Excl flag to permit users to
enable a failure when the file already exists. This flag is
currently unused.

Update Makefiles and documentation accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-25 15:34:52 +00:00
parent cf48efcf3d
commit baa26395cc
22 changed files with 48 additions and 72 deletions
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2
include/llvm/Support/GraphWriter.h
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@@ -274,7 +274,7 @@ sys::Path WriteGraph(const GraphType &G, const std::string &Name,
errs() << "Writing '" << Filename.str() << "'... ";
std::string ErrorInfo;
raw_fd_ostream O(Filename.c_str(), ErrorInfo, raw_fd_ostream::F_Force);
raw_fd_ostream O(Filename.c_str(), ErrorInfo);
if (ErrorInfo.empty()) {
WriteGraph(O, G, ShortNames, Name, Title);