Re: Strange Warning on i386 build
Re: Strange Warning on i386 build
- Subject: Re: Strange Warning on i386 build
- From: Stephane Sudre <email@hidden>
- Date: Mon, 30 Jan 2006 16:22:10 +0100
On 27 janv. 06, at 19:32, Eric Albert wrote:
On Jan 27, 2006, at 9:31 AM, Stephane wrote:
When building a project, XCode (gcc) is issuing a strange warning.
This line:
if (inet_ntop(AF_INET6,&address_,tBuffer,128)!=NULL)
is leading to this warning:
warning: comparison between pointer and integer
for the i386 compilation (the ppc (GCC 3.3) build works fine).
Yet, the inet.h file states:
const char *inet_ntop(int, const void *, char *, size_t);
A const char * or NULL are not compatible as pointers in the Intel
world?
Maybe I'm missing something obvious.
Sounds like you might have a
#define NULL 0
somewhere in your code. The system defines NULL as a 0-valued
pointer, but you can override it.
Hum, yes but no.
I only include the following headers:
#include <netinet/in.h>
#import <Foundation/Foundation.h>
#include <sys/socket.h>
At one point, NULL is indeed defined as 0 but:
- only when it's not yet defined
- this re-declaration is not seen by the problematic file (no direct or
indirect includes)
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