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author | Dan Gohman <gohman@apple.com> | 2009-07-15 17:29:42 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2009-07-15 17:29:42 +0000 |
commit | a1bdcedc3879510a874d24c450e07feb170d9cd6 (patch) | |
tree | 87232c6e8e70de1345065d6e50540c4577f68dc3 /lib/Support | |
parent | 2286f8dc4cec0625f7d7a14e2570926cf8599646 (diff) | |
download | external_llvm-a1bdcedc3879510a874d24c450e07feb170d9cd6.zip external_llvm-a1bdcedc3879510a874d24c450e07feb170d9cd6.tar.gz external_llvm-a1bdcedc3879510a874d24c450e07feb170d9cd6.tar.bz2 |
Add a Force option to raw_fd_ostream to specify whether opening
an existing file is considered an error. Convert several tools
to use raw_fd_ostream instead of std::ostream, and to use this
new option instead of doing a manual check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75801 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support')
-rw-r--r-- | lib/Support/raw_ostream.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp index 0595fe4..b13d922 100644 --- a/lib/Support/raw_ostream.cpp +++ b/lib/Support/raw_ostream.cpp @@ -246,7 +246,7 @@ void format_object_base::home() { /// occurs, information about the error is put into ErrorInfo, and the /// stream should be immediately destroyed; the string will be empty /// if no error occurred. -raw_fd_ostream::raw_fd_ostream(const char *Filename, bool Binary, +raw_fd_ostream::raw_fd_ostream(const char *Filename, bool Binary, bool Force, std::string &ErrorInfo) : pos(0) { ErrorInfo.clear(); @@ -266,6 +266,8 @@ raw_fd_ostream::raw_fd_ostream(const char *Filename, bool Binary, if (Binary) Flags |= O_BINARY; #endif + if (!Force) + Flags |= O_EXCL; FD = open(Filename, Flags, 0664); if (FD < 0) { ErrorInfo = "Error opening output file '" + std::string(Filename) + "'"; |