Hi Paul,
> I expect the problem is what happens when you do something
> like this:
>
> #define FOO BAR
> #define BAR -0
> #define def defined
> #define X def FOO
> #if X
>
> Does this test where FOO is defined, or BAR? Or maybe it
> tests neither and just evaluates 0 - 0?
A very nice example :
On 07/12/2012 03:15 AM, Bruno Haible wrote:
> I tried it and was surprised to see that all compilers support it.
I expect the problem is what happens when you do something
like this:
#define FOO BAR
#define BAR -0
#define def defined
#define X def FOO
#if X
Does this test where FOO is defined, o
Hi Paul,
> Here's a proposed patch to fix a gnulib portability bug uncovered
> with gzip 1.5.
Thanks, the patch is good. Actually when writing this code, I wondered
whether I could use '#define FOO ... defined BAR ...'. Although ISO C 99
6.10.1.(3) explicitly says that it's undefined behaviour:
Here's a proposed patch to fix a gnulib portability bug uncovered
with gzip 1.5.
---
ChangeLog |9 +
lib/gettext.h |9 ++---
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index b27ef8d..7dacfb7 100644
--- a/ChangeLog
+++ b/ChangeLog
