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Clear raw_fd_ostream error string on success and explain behavior in

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documentation.

Add C++ header marker.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57923 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2008-10-21 19:53:10 +00:00
parent cf891f4dd4
commit 48534b31d8
2 changed files with 11 additions and 7 deletions
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9
include/llvm/Support/raw_ostream.h
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@@ -1,4 +1,4 @@
//===--- raw_ostream.h - Raw output stream --------------------------------===// //===--- raw_ostream.h - Raw output stream ----------------------*- C++ -*-===//
// //
// The LLVM Compiler Infrastructure // The LLVM Compiler Infrastructure
// //
@@ -152,9 +152,10 @@ class raw_fd_ostream : public raw_ostream {
int FD; int FD;
bool ShouldClose; bool ShouldClose;
public: public:
/// raw_fd_ostream - Open the specified file for writing. If an error occurs, /// raw_fd_ostream - Open the specified file for writing. If an
/// information about the error is put into ErrorInfo, and the stream should /// error occurs, information about the error is put into ErrorInfo,
/// be immediately destroyed. /// and the stream should be immediately destroyed; the string will
/// be empty if no error occurred.
raw_fd_ostream(const char *Filename, std::string &ErrorInfo); raw_fd_ostream(const char *Filename, std::string &ErrorInfo);
/// raw_fd_ostream ctor - FD is the file descriptor that this writes to. If /// raw_fd_ostream ctor - FD is the file descriptor that this writes to. If

9
lib/Support/raw_ostream.cpp
View File

@@ -196,10 +196,13 @@ void format_object_base::home() {
// raw_fd_ostream // raw_fd_ostream
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
/// raw_fd_ostream - Open the specified file for writing. If an error occurs, /// raw_fd_ostream - Open the specified file for writing. If an error
/// information about the error is put into ErrorInfo, and the stream should /// occurs, information about the error is put into ErrorInfo, and the
/// be immediately destroyed. /// stream should be immediately destroyed; the string will be empty
/// if no error occurred.
raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo) { raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo) {
ErrorInfo.clear();
// Handle "-" as stdout. // Handle "-" as stdout.
if (Filename[0] == '-' && Filename[1] == 0) { if (Filename[0] == '-' && Filename[1] == 0) {
FD = STDOUT_FILENO; FD = STDOUT_FILENO;