I wrote:
> when fed through an ANSI preprocessor (i.e. not "gcc -E" and not /usr/bin/cpp
> on 3.x!). This also works if (e.g.) addr is defined on the command line.
and of course I _meant_ to write "(i.e. "gcc -E" and not /usr/bin/cpp..."
gcc -E _is_ an ANSI cpp.
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> #define addr 192.186.2.5
> #define mask 255.255.240.0
>
> #define rule(ADDR,MASK) add pass tcp from ADDR ## : ## MASK to any 25 setup
> rule(addr,mask)
This is a well-known artifact of the ANSI C rules. You need to do two levels
of macro in order to get the macro args expanded in the paste o
Jim Bloom <[EMAIL PROTECTED]> writes:
> That small test works fine, but doesn't solve the problem I was having.
Oops. Sorry.
kai
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Jim Bloom <[EMAIL PROTECTED]> wrote:
>
>That small test works fine, but doesn't solve the problem I was having. Try
>this small test case to see my problem:
>
>#define addr 192.186.2.5
>#define mask 255.255.240.0
>
>#define rule(ADDR,MASK) add pass tcp from ADDR ## : ## MASK to any 25 setup
>rule
Kai Großjohann wrote:
>
> /
> | $ cat foo
> | #define rule(ADDR,MASK) add pass tcp from ADDR ## : ## MASK to any 25 setup
> | rule(192.168.2.5,255.255.254.0)
> | $ type cpp
> | cpp is hashed (/usr/bin/cpp)
> | $ cpp foo
> | # 1 "foo"
> |
> | add pass tcp from 192.168.2.5:255.255.254.0 to an
Jim Bloom <[EMAIL PROTECTED]> writes:
> No. It has the same bug. That method of concatenation only works
> for strings.
Well, I tried it and got the following:
/
| $ cat foo
| #define rule(ADDR,MASK) add pass tcp from ADDR ## : ## MASK to any 25 setup
| rule(192.168.2.5,255.255.254.0)
| $
No. It has the same bug. That method of concatenation only works for strings.
Jim Bloom
[EMAIL PROTECTED]
Kai Großjohann wrote:
> /
> | #define rule(ADDR,MASK) \
> | add pass tcp from ADDR ## : ## MASK to any 25 setup
> |
> | rule(192.168.2.5,255.255.254.0)
> \
>
> Does it do what you
Jim Bloom <[EMAIL PROTECTED]> writes:
> On the old version of current this expands to
>
> add pass tcp from 192.168.2.5:255.255.254.0 to any 25 setup
>
> but on a new version of current this expands to
>
> add pass tcp from 192.168.2.5 : 255.255.254.0 to any 25 setup
You might wis
On Sun, Feb 27, 2000 at 12:48:53AM -0500, Jim Bloom wrote:
> but on a new version of current this expands to
>
> add pass tcp from 192.168.2.5 : 255.255.254.0 to any 25 setup
>
> Note the extra spaces around the colon.
This is required by the ANSI-C spec. Tokens replaced by `cpp' shall b
On Sun, Feb 27, 2000 at 12:48:53AM -0500, Jim Bloom wrote:
> I have been using cpp on my firewall to expand my local firewall rules and fill
> in the local address and subnetmask. This makes things easier my ISP decides to
> change my IP address using DHCP. My firewall is running an approximatel
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