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2004-02-23  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/posix/getaddrinfo.c (gaih_inet): If _res has not been
	inited yet, try to init it before saving old _res.options.
	* posix/Makefile (xtests): Add bug-ga2.
	(generated): Add bug-ga2.mtrace and bug-ga2-mem.
	(xtests): Depend on bug-ga2-mem.
	($(objpfx)bug-ga2-mem, bug-ga2-ENV): New.
	* posix/bug-ga2.c: New test.
This commit is contained in:
Ulrich Drepper 2004-02-23 19:54:06 +00:00
parent a8fd5a02d9
commit 5605e1177d
4 changed files with 53 additions and 3 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
2004-02-23 Jakub Jelinek <jakub@redhat.com>
* sysdeps/posix/getaddrinfo.c (gaih_inet): If _res has not been
inited yet, try to init it before saving old _res.options.
* posix/Makefile (xtests): Add bug-ga2.
(generated): Add bug-ga2.mtrace and bug-ga2-mem.
(xtests): Depend on bug-ga2-mem.
($(objpfx)bug-ga2-mem, bug-ga2-ENV): New.
* posix/bug-ga2.c: New test.
2004-02-22 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: Pop register

10
posix/Makefile
View File

@ -82,6 +82,7 @@ tests := tstgetopt testfnm runtests runptests \
bug-regex21 bug-regex22 bug-regex23 tst-nice tst-nanosleep \
transbug tst-rxspencer tst-pcre tst-boost \
bug-ga1
xtests := bug-ga2
ifeq (yes,$(build-shared))
test-srcs := globtest
tests += wordexp-test tst-exec tst-spawn
@ -98,7 +99,8 @@ generated := $(addprefix wordexp-test-result, 1 2 3 4 5 6 7 8 9 10) \
bug-regex2.mtrace bug-regex14-mem bug-regex14.mtrace \
bug-regex21-mem bug-regex21.mtrace \
tst-rxspencer-mem tst-rxspencer.mtrace tst-getconf.out \
tst-pcre-mem tst-pcre.mtrace tst-boost-mem tst-boost.mtrace
tst-pcre-mem tst-pcre.mtrace tst-boost-mem tst-boost.mtrace \
bug-ga2.mtrace bug-ga2-mem
include ../Rules
@ -191,6 +193,7 @@ ifeq (no,$(cross-compiling))
tests: $(objpfx)bug-regex2-mem $(objpfx)bug-regex14-mem \
$(objpfx)bug-regex21-mem $(objpfx)tst-rxspencer-mem \
$(objpfx)tst-pcre-mem $(objpfx)tst-boost-mem $(objpfx)tst-getconf.out
xtests: $(objpfx)bug-ga2-mem
endif
$(objpfx)annexc.out: $(objpfx)annexc
@ -241,3 +244,8 @@ $(objpfx)tst-regex: $(common-objpfx)rt/librt.so
else
$(objpfx)tst-regex: $(common-objpfx)rt/librt.a
endif
$(objpfx)bug-ga2-mem: $(objpfx)bug-ga2.out
$(common-objpfx)malloc/mtrace $(objpfx)bug-ga2.mtrace > $@
bug-ga2-ENV = MALLOC_TRACE=$(objpfx)bug-ga2.mtrace

30
posix/bug-ga2.c Normal file
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@ -0,0 +1,30 @@
/* Test case by Sam Varshavchik <mrsam@courier-mta.com>. */
#include <mcheck.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
int
main (void)
{
struct addrinfo hints, *res;
int i, ret;
mtrace ();
for (i = 0; i < 100; i++)
{
memset (&hints, 0, sizeof (hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
ret = getaddrinfo ("www.gnu.org", "http", &hints, &res);
if (ret)
{
printf ("%s\n", gai_strerror (ret));
return 1;
}
freeaddrinfo (res);
}
return 0;
}

6
sysdeps/posix/getaddrinfo.c
View File

@ -604,8 +604,6 @@ gaih_inet (const char *name, const struct gaih_service *service,
struct gaih_addrtuple **pat = &at;
int no_data = 0;
int no_inet6_data = 0;
int old_res_options = _res.options;
/* If we are looking for both IPv4 and IPv6 address we don't
want the lookup functions to automatically promote IPv4
addresses to IPv6 addresses. Currently this is decided
@ -616,6 +614,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
enum nss_status inet6_status, status = NSS_STATUS_UNAVAIL;
int no_more;
nss_gethostbyname2_r fct;
int old_res_options;
if (__nss_hosts_database != NULL)
{
@ -626,6 +625,9 @@ gaih_inet (const char *name, const struct gaih_service *service,
no_more = __nss_database_lookup ("hosts", NULL,
"dns [!UNAVAIL=return] files", &nip);
if ((_res.options & RES_INIT) == 0 && __res_ninit(&_res) == -1)
no_more = 1;
old_res_options = _res.options;
_res.options &= ~RES_USE_INET6;
while (!no_more)