diff options
| author | Jay Berkenbilt <ejb@ql.org> | 2022-09-08 14:03:57 +0200 |
|---|---|---|
| committer | Jay Berkenbilt <ejb@ql.org> | 2022-09-08 16:36:39 +0200 |
| commit | dba61da1bfb7e4d74c723f369d1c017df9707a14 (patch) | |
| tree | 04c51f86dc066c710c23423fe178e051b20b49d9 /include | |
| parent | 264e25f391f83bcbeb60590f18ff96719b086454 (diff) | |
| download | qpdf-dba61da1bfb7e4d74c723f369d1c017df9707a14.tar.zst | |
Create a special "destroyed" type rather than using null
When a QPDF is destroyed, changing indirect objects to direct nulls
makes them effectively disappear silently when they sneak into other
places. Instead, we should treat this as an error. Adding a destroyed
object type makes this possible.
Diffstat (limited to 'include')
| -rw-r--r-- | include/qpdf/Constants.h | 1 | ||||
| -rw-r--r-- | include/qpdf/QPDFObjectHandle.hh | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/qpdf/Constants.h b/include/qpdf/Constants.h index 68214c62..84bd190b 100644 --- a/include/qpdf/Constants.h +++ b/include/qpdf/Constants.h @@ -123,6 +123,7 @@ enum qpdf_object_type_e { ot_inlineimage, /* Object types internal to qpdf */ ot_unresolved, + ot_destroyed, }; /* Write Parameters. See QPDFWriter.hh for details. */ diff --git a/include/qpdf/QPDFObjectHandle.hh b/include/qpdf/QPDFObjectHandle.hh index 76e36eae..a4768f97 100644 --- a/include/qpdf/QPDFObjectHandle.hh +++ b/include/qpdf/QPDFObjectHandle.hh @@ -391,6 +391,11 @@ class QPDFObjectHandle QPDF_DLL inline bool isIndirect() const; + // This returns true for indirect objects from a QPDF that has + // been destroyed. + QPDF_DLL + bool isDestroyed(); + // True for everything except array, dictionary, stream, word, and // inline image. QPDF_DLL |