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Posted to cvs@httpd.apache.org by sf...@apache.org on 2011/12/29 10:09:40 UTC
svn commit: r1225479 - in /httpd/httpd/branches/2.4.x: ./
docs/manual/developer/new_api_2_4.xml
Author: sf
Date: Thu Dec 29 09:09:40 2011
New Revision: 1225479
URL: http://svn.apache.org/viewvc?rev=1225479&view=rev
Log:
Merge r1225478:
Document the unfortunate side effect of converting ap_log_*error into macros
with respect to #ifdef.
Modified:
httpd/httpd/branches/2.4.x/ (props changed)
httpd/httpd/branches/2.4.x/docs/manual/developer/new_api_2_4.xml
Propchange: httpd/httpd/branches/2.4.x/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Thu Dec 29 09:09:40 2011
@@ -1,3 +1,3 @@
/httpd/httpd/branches/revert-ap-ldap:1150158-1150173
/httpd/httpd/branches/wombat-integration:723609-723841
-/httpd/httpd/trunk:1201042,1201111,1201194,1201198,1201202,1202236,1202456,1202886,1203859,1204630,1204968,1204990,1205061,1205075,1205379,1205885,1206291,1206587,1206850,1207719,1208753,1208835,1209053,1209085,1209417,1209432,1209461,1209601,1209603,1209618,1209623,1209741,1209754,1209766,1209776,1209797-1209798,1209811-1209812,1209814,1209908,1209910,1209913,1209916-1209917,1209947,1209952,1210080,1210124,1210130,1210219,1210221,1210252,1210284,1210378,1210725,1210892,1210951,1210954,1211528,1211663,1211680,1212883,1213338,1213567,1214003,1214005,1214015,1220462,1220467,1220493,1220524,1220570,1220768,1220794,1220826,1220846,1221292,1222335,1222370,1222473,1222915,1222917,1222921,1223048,1225060,1225197-1225198,1225380,1225476
+/httpd/httpd/trunk:1201042,1201111,1201194,1201198,1201202,1202236,1202456,1202886,1203859,1204630,1204968,1204990,1205061,1205075,1205379,1205885,1206291,1206587,1206850,1207719,1208753,1208835,1209053,1209085,1209417,1209432,1209461,1209601,1209603,1209618,1209623,1209741,1209754,1209766,1209776,1209797-1209798,1209811-1209812,1209814,1209908,1209910,1209913,1209916-1209917,1209947,1209952,1210080,1210124,1210130,1210219,1210221,1210252,1210284,1210378,1210725,1210892,1210951,1210954,1211528,1211663,1211680,1212883,1213338,1213567,1214003,1214005,1214015,1220462,1220467,1220493,1220524,1220570,1220768,1220794,1220826,1220846,1221292,1222335,1222370,1222473,1222915,1222917,1222921,1223048,1225060,1225197-1225198,1225380,1225476,1225478
Modified: httpd/httpd/branches/2.4.x/docs/manual/developer/new_api_2_4.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/docs/manual/developer/new_api_2_4.xml?rev=1225479&r1=1225478&r2=1225479&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/docs/manual/developer/new_api_2_4.xml (original)
+++ httpd/httpd/branches/2.4.x/docs/manual/developer/new_api_2_4.xml Thu Dec 29 09:09:40 2011
@@ -164,8 +164,9 @@
<ul>
<li>Introduce per-directory, per-module loglevel</li>
<li>New loglevels APLOG_TRACEn</li>
- <li>ap_log_*error become macro wrappers (fully back-compatible if
- APLOG_MARK macro is used)</li>
+ <li>ap_log_*error become macro wrappers (back-compatible if
+ APLOG_MARK macro is used, except that is no longer possible to
+ use #ifdef inside the argument list)</li>
<li>piped logging revamped</li>
<li>module_index added to error_log hook</li>
<li>new function: ap_log_command_line</li>
@@ -336,6 +337,11 @@
<br />
</example>
+ <p><code>ap_log_*error</code> are now implemented as macros. This means
+ that it is no longer possible to use <code>#ifdef</code> inside the
+ argument list of <code>ap_log_*error</code>, as this would cause
+ undefined behavor according to C99.</p>
+
<p>A <code>server_rec</code> pointer must be passed to
<code>ap_log_error()</code> when called after startup. This
was always appropriate, but there are even more limitations with