diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | posix/Makefile | 10 | ||||
| -rw-r--r-- | posix/bug-ga2.c | 30 | ||||
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 6 |
4 files changed, 53 insertions, 3 deletions
@@ -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. + ($(objpfx)bug-ga2-mem, bug-ga2-ENV): New. + * posix/bug-ga2.c: New test. + 2004-02-22 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: Pop register diff --git a/posix/Makefile b/posix/Makefile index 97e0325..815c15a 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -82,6 +82,7 @@ tests := tstgetopt testfnm runtests runptests \ bug-regex21 bug-regex22 bug-regex23 tst-nice tst-nanosleep \ transbug tst-rxspencer tst-pcre tst-boost \ bug-ga1 +xtests := bug-ga2 ifeq (yes,$(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 diff --git a/posix/bug-ga2.c b/posix/bug-ga2.c new file mode 100644 index 0000000..5ea759b --- /dev/null +++ b/posix/bug-ga2.c @@ -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; +} diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 7c192bf..afdefdf 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -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) |