| -rw-r--r-- | qmake/tools/qfile_unix.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/qmake/tools/qfile_unix.cpp b/qmake/tools/qfile_unix.cpp index 2d5a856..460bf06 100644 --- a/qmake/tools/qfile_unix.cpp +++ b/qmake/tools/qfile_unix.cpp @@ -426,29 +426,32 @@ bool QFile::open( int m, int f ) } return TRUE; } /*! Returns the file size. \sa at() */ QIODevice::Offset QFile::size() const { struct stat st; + int ret = 0; if ( isOpen() ) { - ::fstat( fh ? fileno(fh) : fd, &st ); + ret = ::fstat( fh ? fileno(fh) : fd, &st ); } else { - ::stat( QFile::encodeName(fn), &st ); + ret = ::stat( QFile::encodeName(fn), &st ); } + if ( ret == -1 ) + return 0; #if defined(QT_LARGEFILE_SUPPORT) && !defined(QT_ABI_64BITOFFSET) return (uint)st.st_size > UINT_MAX ? UINT_MAX : (QIODevice::Offset)st.st_size; #else return st.st_size; #endif } /*! \overload Sets the file index to \a pos. Returns TRUE if successful; @@ -529,25 +532,25 @@ Q_LONG QFile::readBlock( char *p, Q_ULONG len ) return -1; } if ( !isReadable() ) { qWarning( "QFile::readBlock: Read operation not permitted" ); return -1; } #endif Q_ULONG nread = 0; // number of bytes read if ( !ungetchBuffer.isEmpty() ) { // need to add these to the returned string. uint l = ungetchBuffer.length(); while( nread < l ) { - *p = ungetchBuffer[ l - nread - 1 ]; + *p = ungetchBuffer.at( l - nread - 1 ); p++; nread++; } ungetchBuffer.truncate( l - nread ); } if ( nread < len ) { if ( isRaw() ) { // raw file nread += ::read( fd, p, len-nread ); if ( len && nread <= 0 ) { nread = 0; setStatus(IO_ReadError); @@ -620,25 +623,27 @@ Q_LONG QFile::writeBlock( const char *p, Q_ULONG len ) if ( !isSequentialAccess() ) ioIndex += nwritten; } if ( ioIndex > length ) // update file length length = ioIndex; return nwritten; } /*! Returns the file handle of the file. This is a small positive integer, suitable for use with C library - functions such as fdopen() and fcntl(), as well as with QSocketNotifier. + functions such as fdopen() and fcntl(). On systems that use file + descriptors for sockets (ie. Unix systems, but not Windows) the handle + can be used with QSocketNotifier as well. If the file is not open or there is an error, handle() returns -1. \sa QSocketNotifier */ int QFile::handle() const { if ( !isOpen() ) return -1; else if ( fh ) return fileno( fh ); |