fix vips__ftruncate
We'd forgotton to update this for the new vips__seek return. See https://github.com/libvips/libvips/issues/1494#issuecomment-569413267
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@ -3056,7 +3056,8 @@ vips_image_isMSBfirst( VipsImage *image )
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*
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*
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* Return %TRUE if @image represents a file on disc in some way.
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* Return %TRUE if @image represents a file on disc in some way.
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*/
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*/
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gboolean vips_image_isfile( VipsImage *image )
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gboolean
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vips_image_isfile( VipsImage *image )
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{
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{
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switch( image->dtype ) {
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switch( image->dtype ) {
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case VIPS_IMAGE_MMAPIN:
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case VIPS_IMAGE_MMAPIN:
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@ -1037,16 +1037,7 @@ vips__seek_no_error( int fd, gint64 pos, int whence )
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#ifdef OS_WIN32
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#ifdef OS_WIN32
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{
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{
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HANDLE hFile = (HANDLE) _get_osfhandle( fd );
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new_pos = _lseeki64( fd, pos, whence );
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LARGE_INTEGER p;
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LARGE_INTEGER q;
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/* Whence uses the same numbering on win32 and posix.
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*/
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p.QuadPart = pos;
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if( !SetFilePointerEx( hFile, p, &q, whence ) )
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return( -1 );
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new_pos = q.QuadPart;
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}
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}
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#else /*!OS_WIN32*/
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#else /*!OS_WIN32*/
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new_pos = lseek( fd, pos, whence );
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new_pos = lseek( fd, pos, whence );
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@ -1089,10 +1080,8 @@ vips__ftruncate( int fd, gint64 pos )
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#ifdef OS_WIN32
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#ifdef OS_WIN32
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{
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{
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HANDLE hFile = (HANDLE) _get_osfhandle( fd );
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HANDLE hFile = (HANDLE) _get_osfhandle( fd );
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LARGE_INTEGER p;
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p.QuadPart = pos;
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if( vips__seek( fd, pos, SEEK_SET ) == -1 )
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if( vips__seek( fd, pos, SEEK_SET ) )
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return( -1 );
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return( -1 );
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if( !SetEndOfFile( hFile ) ) {
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if( !SetEndOfFile( hFile ) ) {
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vips_error_system( GetLastError(), "vips__ftruncate",
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vips_error_system( GetLastError(), "vips__ftruncate",
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