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Default branch: MAIN
Current tag: VERSION_1_12
Revision 1.89 / (download) - annotate - [select for diffs], Mon Aug 18 16:36:54 2014 UTC (6 years, 10 months ago) by schwarze
CVS Tags: VERSION_1_12_4, VERSION_1_12
Changes since 1.88: +13 -2 lines
Diff to previous 1.88 (unified)
When the first child of the node being validated gets deleted during validation, man_node_unlink() switches to MAN_NEXT_CHILD. After that, we have to switch back to MAN_NEXT_SIBLING after completing validation, or subsequent parsing would add content into an already closed node, clobbering potentially existing children, causing information loss and a memory leak. Bug found by kristaps@ with valgrind in groff(7) on Mac OS X. Note that the switch back must be conditional, for if the node being validated itself gets deleted, we must *not* go to MAN_NEXT_SIBLING, which would not only yield wrong results in general but also crash in malformed manuals having an empty paragraph before the first .SH, for example OpenBSD c++filt(1).
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