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-rw-r--r--resolv/Makefile1
-rw-r--r--resolv/res_hostalias.c51
-rw-r--r--resolv/res_query.c30
3 files changed, 52 insertions, 30 deletions
diff --git a/resolv/Makefile b/resolv/Makefile
index bfcca70..8c28afe 100644
--- a/resolv/Makefile
+++ b/resolv/Makefile
@@ -152,6 +152,7 @@ libresolv-routines := \
res_data \
res_debug \
res_enable_icmp \
+ res_hostalias \
res_isourserver \
res_mkquery \
res_query \
diff --git a/resolv/res_hostalias.c b/resolv/res_hostalias.c
new file mode 100644
index 0000000..d364725
--- /dev/null
+++ b/resolv/res_hostalias.c
@@ -0,0 +1,51 @@
+/* HOSTALIASES-based name resolution. Public legacy functions.
+ Copyright (C) 2017-2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <netdb.h>
+#include <resolv-internal.h>
+#include <resolv_context.h>
+
+/* Common part of res_hostalias and hostalias. */
+static const char *
+context_hostalias_common (struct resolv_context *ctx,
+ const char *name, char *dst, size_t siz)
+{
+ if (ctx == NULL)
+ {
+ RES_SET_H_ERRNO (&_res, NETDB_INTERNAL);
+ return NULL;
+ }
+ const char *result = __res_context_hostalias (ctx, name, dst, siz);
+ __resolv_context_put (ctx);
+ return result;
+}
+
+const char *
+res_hostalias (res_state statp, const char *name, char *dst, size_t siz)
+{
+ return context_hostalias_common
+ (__resolv_context_get_override (statp), name, dst, siz);
+}
+
+const char *
+hostalias (const char *name)
+{
+ static char abuf[MAXDNAME];
+ return context_hostalias_common
+ (__resolv_context_get (), name, abuf, sizeof (abuf));
+}
diff --git a/resolv/res_query.c b/resolv/res_query.c
index 45c591a..2457193 100644
--- a/resolv/res_query.c
+++ b/resolv/res_query.c
@@ -635,36 +635,6 @@ res_querydomain (const char *name, const char *domain, int class, int type,
(__resolv_context_get (), name, domain, class, type, answer, anslen);
}
-/* Common part of res_hostalias and hostalias. */
-static const char *
-context_hostalias_common (struct resolv_context *ctx,
- const char *name, char *dst, size_t siz)
-{
- if (ctx == NULL)
- {
- RES_SET_H_ERRNO (&_res, NETDB_INTERNAL);
- return NULL;
- }
- const char *result = __res_context_hostalias (ctx, name, dst, siz);
- __resolv_context_put (ctx);
- return result;
-}
-
-const char *
-res_hostalias (res_state statp, const char *name, char *dst, size_t siz)
-{
- return context_hostalias_common
- (__resolv_context_get_override (statp), name, dst, siz);
-}
-
-const char *
-hostalias (const char *name)
-{
- static char abuf[MAXDNAME];
- return context_hostalias_common
- (__resolv_context_get (), name, abuf, sizeof (abuf));
-}
-
#if SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)
# undef res_query
# undef res_querydomain