diff options
| author | levine <levine@ae88bc3d-4319-0410-8dbf-d08b4c9d3795> | 1998-07-21 19:11:19 +0000 |
|---|---|---|
| committer | levine <levine@ae88bc3d-4319-0410-8dbf-d08b4c9d3795> | 1998-07-21 19:11:19 +0000 |
| commit | 8f101f03a5f72294c838c3388638a61a789d0c47 (patch) | |
| tree | 565b716465ed2c650386650086ca63da431d9bf2 /etc | |
| parent | 4e852692e8fee056f02e7a871e64244bde26c928 (diff) | |
| download | ATCD-8f101f03a5f72294c838c3388638a61a789d0c47.tar.gz | |
added guidelines for use of ACE ANSI-style casts
Diffstat (limited to 'etc')
| -rw-r--r-- | etc/ACE-guidelines.html | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/etc/ACE-guidelines.html b/etc/ACE-guidelines.html index 74778565d7f..fc502dd656f 100644 --- a/etc/ACE-guidelines.html +++ b/etc/ACE-guidelines.html @@ -66,7 +66,7 @@ to Graham for providing the OSE tools!<p> <li>Avoid use of floating point types (float and double) and operations unless absolutely necessary. Not all ACE platforms support them. - Therefore, whereever they are used, ACE_LACKS_FLOATING_POINT + Therefore, wherever they are used, ACE_LACKS_FLOATING_POINT conditional code must be also be used.<p> </ul> @@ -320,8 +320,18 @@ to Graham for providing the OSE tools!<p> return ACE_static_cast(size_t, this->count_) > that->size_; </pre><p> - Not the with ANSI casts, reinterpret_cast can not be used - to cast away constness. That must be done with const_cast.<p> + The general usage guidelines for the four styles of casts are:<p> + <ul> + <li><strong>ACE_const_cast</strong>: use to cast away + constness, or volatile-ness.<p> + <li><strong>ACE_static_cast</strong>: use to cast between + compatible types, such as downcasting a pointer or narrowing + an integer.<p> + <li><strong>ACE_reinterpret_cast</strong>: use only when + ACE_static_cast is not suitable.<p> + <li><strong>ACE_dynamic_cast</strong>: avoid, unless you really + want to type check at run-time.<p> + </ul> <li>In general, if instances of a class should not be copied, then a private copy constructor and assignment operator should @@ -361,7 +371,7 @@ to Graham for providing the OSE tools!<p> <li>Define strings as <strong><code>ASYS_TCHAR</code></strong> if they need to be passed into system API. It expands to <code>wchar_t</code> only when - <code>ACE_HAS_MOSTLY_UNICODE_APIS</code> is deined.<p> + <code>ACE_HAS_MOSTLY_UNICODE_APIS</code> is defined.<p> <li>Use <strong><code>ASYS_TEXT</code></strong> and <strong><code>ASYS_WIDE_STRING</code></strong> for format @@ -504,7 +514,7 @@ to Graham for providing the OSE tools!<p> <hr> <!-- hhmts start --> -Last modified: Tue Jun 30 09:26:57 CDT 1998 +Last modified: Tue Jul 21 14:10:59 CDT 1998 <!-- hhmts end --> </body> |