[Bug libc/462] Leak in libresolv

["mike dot patnode at centrify dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From mike dot patnode at centrify dot com  2007-06-06 21:47 -------
Valgrind still sees a 56 byte leak in 2.3.4 for each pair of res_ninit & res_nquery:

#include <stdio.h>
#include <errno.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <sys/types.h>
#include <resolv.h>
#include <netdb.h>

int
main (int argc, char *argv[])
{
    unsigned char buf[1024];
    int count=100;
    struct __res_state dnsstate;
    while (count--)
    {
    memset(&dnsstate, 0, sizeof( struct __res_state));
    res_ninit(&dnsstate);
    res_nquery (&dnsstate,"_ldap._tcp.foo.bar", C_IN, T_SRV, buf, 1024);
    res_nclose(&dnsstate);
    }
    return 0;
}


==13030== 5,600 bytes in 200 blocks are definitely lost in loss record 1 of 1
==13030==    at 0x4904B7E: malloc (vg_replace_malloc.c:149)
==13030==    by 0x30FE1090B5: __libc_res_nsend (in /lib64/libresolv-2.3.4.so)
==13030==    by 0x30FE108200: __libc_res_nquery (in /lib64/libresolv-2.3.4.so)
==13030==    by 0x30FE1083E0: __res_nquery (in /lib64/libresolv-2.3.4.so)
==13030==    by 0x400652: main (in /home/mike/src/res)
==13030==


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |


http://sourceware.org/bugzilla/show_bug.cgi?id=462

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