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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (STDCXX-830) [HP aCC 6.15] many remarks 4298 and 4299 from _localedef.h
Date Mon, 07 Apr 2008 19:31:24 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Sebor resolved STDCXX-830.
---------------------------------

    Resolution: Fixed

None of these remarks indicates an actual problem since all the values are virtually guaranteed
to be much smaller than {{UINT_MAX}} (they are offsets into locale databases). Suppressed
in [r645656|http://svn.apache.org/viewvc?rev=645656&view=rev].
Will close after integrating into 4.2.x in the next bulk merge.

> [HP aCC 6.15] many remarks 4298 and 4299 from _localedef.h
> ----------------------------------------------------------
>
>                 Key: STDCXX-830
>                 URL: https://issues.apache.org/jira/browse/STDCXX-830
>             Project: C++ Standard Library
>          Issue Type: Sub-task
>          Components: Build
>    Affects Versions: 4.2.0
>         Environment: aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]
>            Reporter: Martin Sebor
>            Assignee: Martin Sebor
>            Priority: Trivial
>             Fix For: 4.2.1
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> When compiled with HP aCC 6 with the [+w|http://docs.hp.com/en/10946/options.htm#opt+w]
option on, the library header [_localedef.h|http://svn.apache.org/repos/asf/stdcxx/trunk/include/loc/_localedef.h]
produces a bunch of "64-bit conversion" remarks:
> {noformat}
> aCC -c    -mt -I$(TOPDIR)/include -I$(BUILDDIR)/include  -AA  +O2  +DD64 +w \
>     +W392 +W655 +W684 +W818 +W819 +W849 +W2193 +W2236 +W2261 +W2340 \
>     +W2401 +W2487 +W4227 +W4229 +W4231 +W4235 +W4237 +W4249 +W4255 \
>     +W4272 +W4284 +W4285 +W4286 +W4296 +W4297 +W3348  +Z
>     +Z $(TOPDIR)/src/codecvt.cpp
> "$(TOPDIR)/include/loc/_localedef.h", line 160: remark #4298-D: addition result could
be truncated before cast to bigger sized type
>           return (wtolower_off - wtoupper_off) / sizeof (__rw_upper_elm);
>                                ^
> "$(TOPDIR)/include/loc/_localedef.h", line 164: remark #4298-D: addition result could
be truncated before cast to bigger sized type
>           return (wmask_off - wtolower_off) / sizeof (__rw_lower_elm);
>                             ^
> "$(TOPDIR)/include/loc/_localedef.h", line 168: remark #4298-D: addition result could
be truncated before cast to bigger sized type
>           return charmap_off - codeset_off;
>                              ^
> "$(TOPDIR)/include/loc/_localedef.h", line 172: remark #4298-D: addition result could
be truncated before cast to bigger sized type
>           return wtoupper_off - charmap_off;
>                               ^
> "$(TOPDIR)/include/loc/_localedef.h", line 122: remark #4299-D: 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: addition result could
be truncated before cast to bigger sized type
>           return *(_RWSTD_ARRAY_ELM (wchar_t, wchar_off, off * 2 + 1));
>                                                                  ^
> {noformat}
> There are a total of 19 of them in the whole library build:
> {noformat}
> $ cat hpux-11.31-ia64-acc-6.16-12D-642031-log | grep "include/loc/_localedef.h\", line
160: remark #429[89]" | wc -l
> 19
> {noformat}

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