Hello,
Here is a little patch to proto.c to make DNS resolving work
on a 64-bit machine like Digital Alpha running OSF1 V4.0C.
I'm running udmsearch-3.0.5, compiled with gcc 2.7.2.2.
The problem is that the indexer works only if URL contains
numeric IP address, but fails with: 'Can't connect to host tink.ijs.si:80'
when host name is specified.
The problem is in proto.c\open_host where sin.sin_addr.s_addr is
of type in_addr_t (/usr/include/netinet/in.h)
which in turn is unsigned int (/usr/include/sys/types.h:
/* Spec 1170 says in_addr_t is unsigned integral of exactly 32 bits */
typedef unsigned int in_addr_t;
).
... so the expression: (unsigned int)-1 != (unsigned long)-1
^^^ ^^^^
is unfortunately true, leading to the wrong branch in the if statement.
Here is the patch:
--------------------
*** proto.c~ Sat Feb 19 18:40:10 2000
--- proto.c Tue Feb 22 16:13:50 2000
***************
*** 334,340 ****
return(UDM_NET_ERROR);
}
! if ((sin.sin_addr.s_addr=inet_addr(hostname)) != (unsigned long) -1){
sin.sin_family=AF_INET;
}else{
host=gethostbyname(hostname);
--- 334,340 ----
return(UDM_NET_ERROR);
}
! if ((sin.sin_addr.s_addr=inet_addr(hostname)) != (in_addr_t)-1){
sin.sin_family=AF_INET;
}else{
host=gethostbyname(hostname);
--------------------
To confirm my claims the man page of inet_addr(3) defines the return value
of inet_addr to be of type in_addr_t:
in_addr_t inet_addr(const char *string) ;
This is so both on OSF1 V4 and on Solaris 2.6, and even HP-UX 10.20
defines the in_addr_t so that it matches the return value of inet_addr.
Best regards
Mark
--
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!! Mark Martinec (system manager) tel +386 61 177-3575 !!
!! J. Stefan Institute, Jamova 39 fax +386 61 219-385 !!
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!!!!!!!!!!!!!!!!!!!!!!!!!! http://www.ijs.si/people/mark/ !!!!
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