[svn-commits] trunk - r8393 /trunk/include/asterisk/utils.h

[svn-commits at lists.digium.com]

Author: russell
Date: Sat Jan 21 12:11:40 2006
New Revision: 8393

URL: http://svn.digium.com/view/asterisk?rev=8393&view=rev
Log:
don't do the memcpy inside of ast_strdupa if we know that __builtin_alloca 
was not successful

Modified:
    trunk/include/asterisk/utils.h

Modified: trunk/include/asterisk/utils.h
URL: http://svn.digium.com/view/asterisk/trunk/include/asterisk/utils.h?rev=8393&r1=8392&r2=8393&view=diff
==============================================================================
--- trunk/include/asterisk/utils.h (original)
+++ trunk/include/asterisk/utils.h Sat Jan 21 12:11:40 2006
@@ -387,10 +387,6 @@
 
   This macro will duplicate the given string.  It returns a pointer to the stack
   allocatted memory for the new string.
-
-  \note If this function fails to allocate memory on the stack, we do not make
-  any effort to prevent Asterisk from crashing.  We will attempt to log an
-  error message, but Asterisk will crash shortly after.
 */
 #define ast_strdupa(s)                                                    \
 	(__extension__                                                    \
@@ -402,7 +398,9 @@
 			ast_log(LOG_ERROR, "Stack Allocation Error in"    \
 				"function '%s' at line '%d' of '%s'!\n",  \
 				__PRETTY_FUNCTION__, __LINE__, __FILE__); \
-		(char *) memcpy (__new, __old, __len);                    \
+		else                                                      \
+			memcpy (__new, __old, __len);                     \
+		__new;                                                    \
 	}))
 #endif