diff options
| -rw-r--r-- | src/corelib/io/qfile.cpp | 7 | ||||
| -rw-r--r-- | tests/auto/qfile/tst_qfile.cpp | 55 |
2 files changed, 61 insertions, 1 deletions
diff --git a/src/corelib/io/qfile.cpp b/src/corelib/io/qfile.cpp index 64d8ef3..4dd6185 100644 --- a/src/corelib/io/qfile.cpp +++ b/src/corelib/io/qfile.cpp @@ -1120,8 +1120,13 @@ bool QFile::open(int fd, OpenMode mode) } if(d->openExternalFile(mode, fd)) { QIODevice::open(mode); - if (mode & Append) + if (mode & Append) { seek(size()); + } else { + qint64 pos = (qint64)QT_LSEEK(fd, QT_OFF_T(0), SEEK_CUR); + if (pos != -1) + seek(pos); + } return true; } return false; diff --git a/tests/auto/qfile/tst_qfile.cpp b/tests/auto/qfile/tst_qfile.cpp index 19fbecd..bbb6280 100644 --- a/tests/auto/qfile/tst_qfile.cpp +++ b/tests/auto/qfile/tst_qfile.cpp @@ -187,6 +187,8 @@ private slots: void mapOpenMode_data(); void mapOpenMode(); + void openStandardStreams(); + // --- Task related tests below this line void task167217(); @@ -2634,5 +2636,58 @@ void tst_QFile::openDirectory() QVERIFY(!f1.open(QIODevice::ReadOnly|QIODevice::Unbuffered)); } +void tst_QFile::openStandardStreams() +{ + // Using file descriptors + { + QFile in; + in.open(STDIN_FILENO, QIODevice::ReadOnly); + QCOMPARE( in.pos(), (qint64)0 ); + QCOMPARE( in.size(), (qint64)0 ); + QVERIFY( in.isSequential() ); + } + + { + QFile out; + out.open(STDOUT_FILENO, QIODevice::WriteOnly); + QCOMPARE( out.pos(), (qint64)0 ); + QCOMPARE( out.size(), (qint64)0 ); + QVERIFY( out.isSequential() ); + } + + { + QFile err; + err.open(STDERR_FILENO, QIODevice::WriteOnly); + QCOMPARE( err.pos(), (qint64)0 ); + QCOMPARE( err.size(), (qint64)0 ); + QVERIFY( err.isSequential() ); + } + + // Using streams + { + QFile in; + in.open(stdin, QIODevice::ReadOnly); + QCOMPARE( in.pos(), (qint64)0 ); + QCOMPARE( in.size(), (qint64)0 ); + QVERIFY( in.isSequential() ); + } + + { + QFile out; + out.open(stdout, QIODevice::WriteOnly); + QCOMPARE( out.pos(), (qint64)0 ); + QCOMPARE( out.size(), (qint64)0 ); + QVERIFY( out.isSequential() ); + } + + { + QFile err; + err.open(stderr, QIODevice::WriteOnly); + QCOMPARE( err.pos(), (qint64)0 ); + QCOMPARE( err.size(), (qint64)0 ); + QVERIFY( err.isSequential() ); + } +} + QTEST_MAIN(tst_QFile) #include "tst_qfile.moc" |