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8876d6b5f8
I originally sent this patch to <trivial@kernel.org>, but Jiri Kosina did
not feel that this is fully appropriate for the trivial tree.
Using linux/tcp.h from C++ results in:
cat t.cc
#include <linux/tcp.h>
int main() { }
g++ -c t.cc
In file included from t.cc:1:
/usr/include/linux/tcp.h:72: error: '__u32 __fswab32(__u32)' cannot appear in a constant-expression
/usr/include/linux/tcp.h:72: error: a function call cannot appear in a constant-expression
...
Attached trivial patch fixes this problem.
Tested:
- the t.cc above compiles with g++ and
- the following program generates the same output before/after
the patch:
#include <linux/tcp.h>
#include <stdio.h>
int main ()
{
#define P(a) printf("%s: %08x\n", #a, (int)a)
P(TCP_FLAG_CWR);
P(TCP_FLAG_ECE);
P(TCP_FLAG_URG);
P(TCP_FLAG_ACK);
P(TCP_FLAG_PSH);
P(TCP_FLAG_RST);
P(TCP_FLAG_SYN);
P(TCP_FLAG_FIN);
P(TCP_RESERVED_BITS);
P(TCP_DATA_OFFSET);
#undef P
return 0;
}
Signed-off-by: Paul Pluzhnikov <ppluzhnikov@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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