diff options
Diffstat (limited to 'src/corelib/io')
| -rw-r--r-- | src/corelib/io/qfsfileengine_unix.cpp | 2 | ||||
| -rw-r--r-- | src/corelib/io/qiodevice.cpp | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp index 05e6fab..35737b3 100644 --- a/src/corelib/io/qfsfileengine_unix.cpp +++ b/src/corelib/io/qfsfileengine_unix.cpp @@ -1254,7 +1254,7 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFla // undefined behavior. Otherwise, let mmap have its say. if (doStat() && (QT_OFF_T(size) > st.st_size - QT_OFF_T(offset))) - return 0; + qWarning("QFSFileEngine::map: Mapping a file beyond its size is not portable"); int access = 0; if (openMode & QIODevice::ReadOnly) access |= PROT_READ; diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp index b84961f..0e5a2de 100644 --- a/src/corelib/io/qiodevice.cpp +++ b/src/corelib/io/qiodevice.cpp @@ -1157,6 +1157,10 @@ QByteArray QIODevice::readLine(qint64 maxSize) // If resize fails or maxSize == 0, read incrementally if (maxSize == 0) maxSize = INT_MAX; + + // The first iteration needs to leave an extra byte for the terminating null + result.resize(1); + qint64 readResult; do { result.resize(int(qMin(maxSize, result.size() + QIODEVICE_BUFFERSIZE))); @@ -1164,7 +1168,7 @@ QByteArray QIODevice::readLine(qint64 maxSize) if (readResult > 0 || readBytes == 0) readBytes += readResult; } while (readResult == QIODEVICE_BUFFERSIZE - && result[int(readBytes)] != '\n'); + && result[int(readBytes - 1)] != '\n'); } else readBytes = readLine(result.data(), result.size()); |