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https://issues.apache.org/jira/browse/STDCXX-730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589920#action_12589920
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Farid Zaripov commented on STDCXX-730:
--------------------------------------
Merged in 4.2.x branch thus:
http://svn.apache.org/viewvc?view=rev&revision=648752
> [HP aCC 6.15] potential null dererefence and out of bound access in
> iso2022.cpp
> -------------------------------------------------------------------------------
>
> Key: STDCXX-730
> URL: https://issues.apache.org/jira/browse/STDCXX-730
> Project: C++ Standard Library
> Issue Type: Sub-task
> Components: 22. Localization
> Affects Versions: 4.2.0
> Environment: $ uname -sr && aCC -V
> HP-UX B.11.31
> aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]
> Reporter: Martin Sebor
> Assignee: Martin Sebor
> Fix For: 4.2.1
>
> Original Estimate: 2h
> Time Spent: 1h
> Remaining Estimate: 1h
>
> We're getting a bunch of warnings from this file,. a couple of them looking
> serious:
> {noformat}
> "$(TOPDIR)/src/iso2022.cpp", line 470: warning #4232-D: conversion from
> "mbstate_t *" to a more strictly aligned type "unsigned short *" may cause
> misaligned access
> _RWSTD_REINTERPRET_CAST (ISO_2022_STATE_INDEX_T*, &state);
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 160: remark #4298-D: 64 bit
> migration: addition result could be truncated before cast to bigger sized type
> return (wtolower_off - wtoupper_off) / sizeof (__rw_upper_elm);
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 164: remark #4298-D: 64 bit
> migration: addition result could be truncated before cast to bigger sized type
> return (wmask_off - wtolower_off) / sizeof (__rw_lower_elm);
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 168: remark #4298-D: 64 bit
> migration: addition result could be truncated before cast to bigger sized type
> return charmap_off - codeset_off;
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 172: remark #4298-D: 64 bit
> migration: addition result could be truncated before cast to bigger sized type
> return wtoupper_off - charmap_off;
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 122: remark #4299-D: 64 bit
> migration: multiply result could be truncated before cast to bigger sized type
> return *(_RWSTD_ARRAY_ELM (wchar_t, wchar_off, off * 2));
> ^
> "$(TOPDIR)/include/loc/_localedef.h", line 128: remark #4298-D: 64 bit
> migration: addition result could be truncated before cast to bigger sized type
> return *(_RWSTD_ARRAY_ELM (wchar_t, wchar_off, off * 2 + 1));
> ^
> "$(TOPDIR)/src/iso2022.cpp", line 764, procedure
> __rw::__rw_ksc5601_to_iso2022: warning #20200-D: Potential null pointer
> dereference through esc is detected (null
> definition:$(TOPDIR)/src/iso2022.cpp, line 677)
> "$(TOPDIR)/src/iso2022.cpp", line 1541, procedure __rw::__rw_ucs4_to_interm:
> warning #20206-D: Out of bound access (In expression "&db_array[(long
> long)i]", array "db_array" [$(TOPDIR)/src/iso2022.cpp:1525] (type: struct
> _noname [6]) has element range [0 .. 5], reading element range [0 .. 11].)
> "$(TOPDIR)/src/iso2022.cpp", line 1586, procedure __rw::__rw_ucs4_to_interm:
> warning #20206-D: Out of bound access (In expression "&db_array[(long
> long)i]", array "db_array" [$(TOPDIR)/src/iso2022.cpp:1525] (type: struct
> _noname [6]) has element range [0 .. 5], reading element range [0 .. 11].)
> {noformat}
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