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Add some error handling to tfilestream.cpp

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This commit is contained in:
Tsuda Kageyu 2013-04-28 09:14:37 +09:00
parent d2273a7218
commit 395743eb49
1 changed files with 15 additions and 2 deletions
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17
taglib/toolkit/tfilestream.cpp
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@ -426,6 +426,9 @@ void FileStream::seek(long offset, Position p)
}
SetFilePointer(d->file, offset, NULL, whence);
if(GetLastError() != NO_ERROR) {
debug("File::seek() -- Failed to set the file size.");
}
#else
@ -467,7 +470,14 @@ long FileStream::tell() const
{
#ifdef _WIN32
return (long)SetFilePointer(d->file, 0, NULL, FILE_CURRENT);
const DWORD position = SetFilePointer(d->file, 0, NULL, FILE_CURRENT);
if(GetLastError() == NO_ERROR) {
return static_cast<long>(position);
}
else {
debug("File::tell() -- Failed to get the file pointer.");
return 0;
}
#else
@ -491,7 +501,7 @@ long FileStream::length()
#ifdef _WIN32
const DWORD fileSize = GetFileSize(d->file, NULL);
if(GetLastError() != ERROR_SUCCESS) {
if(GetLastError() == NO_ERROR) {
d->size = static_cast<ulong>(fileSize);
return d->size;
}
@ -528,6 +538,9 @@ void FileStream::truncate(long length)
seek(length);
SetEndOfFile(d->file);
if(GetLastError() != NO_ERROR) {
debug("File::truncate() -- Failed to truncate the file.");
}
seek(currentPos);