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fs/io/FileOutputStream: seek end-of-file in AppendFileOutputStream ctor

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This commit is contained in:
Max Kellermann 2015-03-24 21:51:34 +01:00
parent 077e95da85
commit 6387b52896
2 changed files with 12 additions and 0 deletions
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6
src/fs/io/FileOutputStream.cxx
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@ -226,6 +226,12 @@ AppendFileOutputStream::AppendFileOutputStream(Path _path, Error &error)
if (!IsDefined()) if (!IsDefined())
error.FormatLastError("Failed to append to %s", error.FormatLastError("Failed to append to %s",
GetPath().ToUTF8().c_str()); GetPath().ToUTF8().c_str());
if (!SeekEOF()) {
error.FormatLastError("Failed seek end-of-file of %s",
GetPath().ToUTF8().c_str());
Close();
}
#else #else
if (!SetFD().Open(GetPath().c_str(), if (!SetFD().Open(GetPath().c_str(),
O_WRONLY|O_APPEND)) O_WRONLY|O_APPEND))

6
src/fs/io/FileOutputStream.hxx
View File

@ -95,6 +95,12 @@ protected:
#endif #endif
} }
#ifdef WIN32
bool SeekEOF() {
return SetFilePointer(handle, 0, nullptr, FILE_END);
}
#endif
public: public:
bool IsDefined() const { bool IsDefined() const {
#ifdef WIN32 #ifdef WIN32