8.2.1: wrong master address in slave zone header comment

[Andrew Brown]

>> ; from 129.143.2.4:53 (local 129.143.2.4) using AXFR at Wed Aug 11 09:59:39 1999
>> 
>> Don't ask me why, but inet_ntoa(local.sin_addr) in fprintf() messes up
>> the master's address (Solaris-2.6, gcc).
>
>This is because of inet_ntoa function uses a static buffer that gets overwritten
>on every call. So don't use more than one inet_ntoa() in a single printf() or
>similar statement.
>
>I've been digging this up a while ago, but I was wondering, too.

i usually do this instead.  it doesn't speak much for threading (since
it goes from one static object to two, but it will let you use
inet_ntoa() more than once in a printf().

*** inet_ntoa.c-orig	Fri May 14 14:16:55 1999
--- inet_ntoa.c	Thu Aug 12 12:13:32 1999
***************
*** 54,62 ****
   */
  /*const*/ char *
  inet_ntoa(struct in_addr in) {
! 	static char ret[18];
  
! 	strcpy(ret, "[inet_ntoa error]");
! 	(void) inet_ntop(AF_INET, &in, ret, sizeof ret);
! 	return (ret);
  }
--- 54,64 ----
   */
  /*const*/ char *
  inet_ntoa(struct in_addr in) {
! 	static int retnum = -1;
! 	static char ret[10][18];
  
! 	retnum = (retnum + 1) % 10;
! 	strcpy(ret[retnum], "[inet_ntoa error]");
! 	(void) inet_ntop(AF_INET, &in, ret[retnum], sizeof ret[retnum]);
! 	return (ret[retnum]);
  }


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