merge from gcc

This commit is contained in:
DJ Delorie 2001-08-29 20:03:08 +00:00
parent f29865c5ff
commit 646d6b3a1e
2 changed files with 11 additions and 5 deletions

View File

@ -1,3 +1,7 @@
2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* ansidecl.h: Update comments reflecting previous change.
2001-08-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* ansidecl.h (VA_OPEN, VA_CLOSE): Allow multiple uses.

View File

@ -93,11 +93,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
You can declare variables either before or after the VA_OPEN,
VA_FIXEDARG sequence. You can _not_ put statements before VA_OPEN.
Also, VA_OPEN and VA_CLOSE are the beginning and end of a block.
They must appear at the same nesting level, and any variables
declared after VA_OPEN go out of scope at VA_CLOSE. Unfortunately,
with a K+R compiler, that includes the argument list.
VA_FIXEDARG sequence. Also, VA_OPEN and VA_CLOSE are the beginning
and end of a block. They must appear at the same nesting level,
and any variables declared after VA_OPEN go out of scope at
VA_CLOSE. Unfortunately, with a K+R compiler, that includes the
argument list. You can have multiple instances of VA_OPEN/VA_CLOSE
pairs in a single function in case you need to traverse the
argument list more than once.
For ease of writing code which uses GCC extensions but needs to be
portable to other compilers, we provide the GCC_VERSION macro that