[uClibc-cvs] svn commit: trunk/uClibc/include

vapier at uclibc.org vapier at uclibc.org
Thu Aug 25 23:07:25 UTC 2005


Author: vapier
Date: 2005-08-25 17:07:24 -0600 (Thu, 25 Aug 2005)
New Revision: 11247

Log:
add a note explaining the weird h_errno definition

Modified:
   trunk/uClibc/include/netdb.h


Changeset:
Modified: trunk/uClibc/include/netdb.h
===================================================================
--- trunk/uClibc/include/netdb.h	2005-08-25 17:08:40 UTC (rev 11246)
+++ trunk/uClibc/include/netdb.h	2005-08-25 23:07:24 UTC (rev 11247)
@@ -54,7 +54,9 @@
 __BEGIN_DECLS
 
 /* Error status for non-reentrant lookup functions.
-   We use a macro to access always the thread-specific `h_errno' variable.  */
+   We use a macro to access always the thread-specific `h_errno' variable.
+   We always need the extern int here in case internal libc code undefines 
+   the macro because it needs access to the underlying storage. */
 extern int h_errno;
 #if defined(__UCLIBC_HAS_THREADS__)
 # define h_errno (*__h_errno_location ())




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