diff options
| -rw-r--r-- | include/qpdf/Pipeline.hh | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/qpdf/Pipeline.hh b/include/qpdf/Pipeline.hh index 2de17ad2..41b7a290 100644 --- a/include/qpdf/Pipeline.hh +++ b/include/qpdf/Pipeline.hh @@ -44,7 +44,13 @@ class Pipeline // Subclasses should implement write and finish to do their jobs // and then, if they are not end-of-line pipelines, call - // getNext()->write or getNext()->finish. + // getNext()->write or getNext()->finish. It would be really nice + // if write could take unsigned char const*, but this would make + // it much more difficult to write pipelines around legacy + // interfaces whose calls don't want pointers to const data. As a + // rule, pipelines should generally not be modifying the data + // passed to them. They should, instead, create new data to pass + // downstream. QPDF_DLL virtual void write(unsigned char* data, size_t len) = 0; QPDF_DLL |