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authorJoseph Myers <joseph@codesourcery.com>2014-12-17 18:09:11 +0000
committerJoseph Myers <joseph@codesourcery.com>2014-12-17 18:09:11 +0000
commit8ac5a76a99e51a91eac9cecbe941fc05ddf11e03 (patch)
tree76a65f8b81308ff6f6c84f5b6b3628673b2178cf /inet
parent66ce3cb12f74d3dbd4018ce6498a36348acf7e83 (diff)
downloadglibc-8ac5a76a99e51a91eac9cecbe941fc05ddf11e03.tar.gz
Fix resolver inet_* namespace (bug 17722).
Parts of the resolver brought in by pthreads (at least) use inet_* functions that aren't in the 1995/6 edition of POSIX that introduced pthreads (or in one case, use __inet_aton which is then defined in the same file as non-weak inet_addr). This patch fixes this by making the affected functions into weak alias for __inet_* and using those names in the problematic resolver code. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch). [BZ #17722] * inet/inet_mkadr.c (inet_makeaddr): Rename to __inet_makeaddr and define as weak alias of __inet_makeaddr. * resolv/inet_addr.c (inet_addr): Rename to __inet_addr and define as weak alias of __inet_addr. * resolv/inet_pton.c (inet_pton): Rename to __inet_pton and define as weak alias of __inet_pton. Use libc_hidden_weak. * include/arpa/inet.h (__inet_pton): Declare. Use libc_hidden_proto. (inet_makeaddr): Don't use libc_hidden_proto. (__inet_makeaddr): Declare. Use libc_hidden_proto. * resolv/res_init.c (__res_vinit): Use __inet_pton instead of inet_pton. Use __inet_makeaddr instead of inet_makeaddr. * conform/Makefile (test-xfail-POSIX/pthread.h/linknamespace): Remove variable. (test-xfail-POSIX/sched.h/linknamespace): Likewise. (test-xfail-POSIX/time.h/linknamespace): Likewise.
Diffstat (limited to 'inet')
-rw-r--r--inet/inet_mkadr.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/inet/inet_mkadr.c b/inet/inet_mkadr.c
index d8d92da768..580a9cd956 100644
--- a/inet/inet_mkadr.c
+++ b/inet/inet_mkadr.c
@@ -40,7 +40,7 @@ static char sccsid[] = "@(#)inet_makeaddr.c 8.1 (Berkeley) 6/4/93";
* building addresses stored in the ifnet structure.
*/
struct in_addr
-inet_makeaddr(net, host)
+__inet_makeaddr(net, host)
in_addr_t net, host;
{
struct in_addr in;
@@ -56,4 +56,5 @@ inet_makeaddr(net, host)
in.s_addr = htonl(in.s_addr);
return in;
}
-libc_hidden_def (inet_makeaddr)
+libc_hidden_def (__inet_makeaddr)
+weak_alias (__inet_makeaddr, inet_makeaddr)