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uwe pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
new a5c5ad2 ARROW-2203: [C++] StderrStream class
a5c5ad2 is described below
commit a5c5ad211216434f1753606b8f90573566deb00f
Author: rvernica <[email protected]>
AuthorDate: Tue Feb 27 10:39:08 2018 +0100
ARROW-2203: [C++] StderrStream class
Output stream that just writes to stderr. Adapted from StdoutStream, but
use `cerr` instead of `cout`.
Author: rvernica <[email protected]>
Closes #1657 from rvernica/patch-1 and squashes the following commits:
535dd25 <rvernica> Fix lint issue - trim whitespace
4aa45b0 <rvernica> ARROW-2203: StderrStream class
---
cpp/src/arrow/util/io-util.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/cpp/src/arrow/util/io-util.h b/cpp/src/arrow/util/io-util.h
index 864e1bd..2a01be1 100644
--- a/cpp/src/arrow/util/io-util.h
+++ b/cpp/src/arrow/util/io-util.h
@@ -51,6 +51,29 @@ class StdoutStream : public OutputStream {
int64_t pos_;
};
+// Output stream that just writes to stderr.
+class StderrStream : public OutputStream {
+ public:
+ StderrStream() : pos_(0) { set_mode(FileMode::WRITE); }
+ ~StderrStream() override {}
+
+ Status Close() override { return Status::OK(); }
+
+ Status Tell(int64_t* position) const override {
+ *position = pos_;
+ return Status::OK();
+ }
+
+ Status Write(const void* data, int64_t nbytes) override {
+ pos_ += nbytes;
+ std::cerr.write(reinterpret_cast<const char*>(data), nbytes);
+ return Status::OK();
+ }
+
+ private:
+ int64_t pos_;
+};
+
// Input stream that just reads from stdin.
class StdinStream : public InputStream {
public:
--
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