summaryrefslogtreecommitdiff
path: root/mysys/my_gethostbyname.c
diff options
context:
space:
mode:
Diffstat (limited to 'mysys/my_gethostbyname.c')
-rw-r--r--mysys/my_gethostbyname.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/mysys/my_gethostbyname.c b/mysys/my_gethostbyname.c
deleted file mode 100644
index f8aa8b4c93a..00000000000
--- a/mysys/my_gethostbyname.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; version 2
- of the License.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- MA 02110-1301, USA
-*/
-
-/* Thread safe version of gethostbyname_r() */
-
-#include "mysys_priv.h"
-#if !defined(__WIN__)
-#include <netdb.h>
-#endif
-#include <my_net.h>
-
-/* This file is not needed if my_gethostbyname_r is a macro */
-#if !defined(my_gethostbyname_r)
-
-/*
- Emulate SOLARIS style calls, not because it's better, but just to make the
- usage of getbostbyname_r simpler.
-*/
-
-#if defined(HAVE_GETHOSTBYNAME_R)
-
-#if defined(HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE)
-
-struct hostent *my_gethostbyname_r(const char *name,
- struct hostent *result, char *buffer,
- int buflen, int *h_errnop)
-{
- struct hostent *hp;
- DBUG_ASSERT((size_t) buflen >= sizeof(*result));
- if (gethostbyname_r(name,result, buffer, (size_t) buflen, &hp, h_errnop))
- return 0;
- return hp;
-}
-
-#elif defined(HAVE_GETHOSTBYNAME_R_RETURN_INT)
-
-struct hostent *my_gethostbyname_r(const char *name,
- struct hostent *result, char *buffer,
- int buflen, int *h_errnop)
-{
- if (gethostbyname_r(name,result,(struct hostent_data *) buffer) == -1)
- {
- *h_errnop= errno;
- return 0;
- }
- return result;
-}
-
-#else
-
-/* gethostbyname_r with similar interface as gethostbyname() */
-
-struct hostent *my_gethostbyname_r(const char *name,
- struct hostent *result, char *buffer,
- int buflen, int *h_errnop)
-{
- struct hostent *hp;
- DBUG_ASSERT(buflen >= sizeof(struct hostent_data));
- hp= gethostbyname_r(name,result,(struct hostent_data *) buffer);
- *h_errnop= errno;
- return hp;
-}
-#endif /* GLIBC2_STYLE_GETHOSTBYNAME_R */
-
-#else /* !HAVE_GETHOSTBYNAME_R */
-
-#ifdef THREAD
-extern pthread_mutex_t LOCK_gethostbyname_r;
-#endif
-
-/*
- No gethostbyname_r() function exists.
- In this case we have to keep a mutex over the call to ensure that no
- other thread is going to reuse the internal memory.
-
- The user is responsible to call my_gethostbyname_r_free() when he
- is finished with the structure.
-*/
-
-struct hostent *my_gethostbyname_r(const char *name,
- struct hostent *res __attribute__((unused)),
- char *buffer __attribute__((unused)),
- int buflen __attribute__((unused)),
- int *h_errnop)
-{
- struct hostent *hp;
- pthread_mutex_lock(&LOCK_gethostbyname_r);
- hp= gethostbyname(name);
- *h_errnop= h_errno;
- return hp;
-}
-
-void my_gethostbyname_r_free()
-{
- pthread_mutex_unlock(&LOCK_gethostbyname_r);
-}
-
-#endif /* !HAVE_GETHOSTBYNAME_R */
-#endif /* !my_gethostbyname_r */