Fix sss_client breakage.

Adding missing dependencies for linker. Missing dependency was
introduced by commit 22d381367c27910fe82f476a76b9f4ede555e35a
in changed file src/sss_client/nss_mc_common.c

All function declaration for io.c was moved from util.h to separate file io.h,

https://fedorahosted.org/sssd/ticket/1838

4 files changed, 49 insertions, 4 deletions

diff --git a/src/util/io.c b/src/util/io.c
index e07a18c56..4d1f2e74a 100644
--- a/src/util/io.c
+++ b/src/util/io.c
@@ -24,8 +24,14 @@
 
 #include <unistd.h>
 #include <fcntl.h>
+#include <errno.h>
 
-#include "util/util.h"
+#include "util/io.h"
+
+/* CAUTION:
+ * This file have to be minimalist and cannot include DEBUG macros
+ * or header file util.h.
+ */
 
 int sss_open_cloexec(const char *pathname, int flags, int *ret)
 {
diff --git a/src/util/io.h b/src/util/io.h
new file mode 100644
index 000000000..8d10ed9c2
--- /dev/null
+++ b/src/util/io.h
@@ -0,0 +1,33 @@
+/*
+   SSSD
+
+   SSSD Utility functions
+
+   Copyright (C) Lukas Slebodnik           2013
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _UTIL_IO_H_
+#define _UTIL_IO_H_
+
+/* CAUTION:
+ * This file is also used in sss_client (pam, nss). Therefore it have to be
+ * minimalist and cannot include DEBUG macros or header file util.h.
+ */
+
+int sss_open_cloexec(const char *pathname, int flags, int *ret);
+int sss_openat_cloexec(int dir_fd, const char *pathname, int flags, int *ret);
+
+#endif /* _UTIL_IO_H_ */
diff --git a/src/util/murmurhash3.h b/src/util/murmurhash3.h
index db7d8a48c..6910e596b 100644
--- a/src/util/murmurhash3.h
+++ b/src/util/murmurhash3.h
@@ -6,7 +6,15 @@
  * clients can be both 64 or 32 bit at the same time.
  */
 
+#ifndef _UTIL_MURMURHASH3_H_
+#define _UTIL_MURMURHASH3_H_
+
 #include <stdint.h>
 
+/* CAUTION:
+ * This file is also used in sss_client (pam, nss). Therefore it have to be
+ * minimalist and cannot include DEBUG macros or header file util.h.
+ */
 uint32_t murmurhash3(const char *key, int len, uint32_t seed);
 
+#endif /* _UTIL_MURMURHASH3_H_ */
diff --git a/src/util/util.h b/src/util/util.h
index e61a94f7f..33725f635 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -584,9 +584,7 @@ errno_t sssd_domain_init(TALLOC_CTX *mem_ctx,
 /* from util_lock.c */
 errno_t sss_br_lock_file(int fd, size_t start, size_t len,
                          int num_tries, useconds_t wait);
-/* from io.c */
-int sss_open_cloexec(const char *pathname, int flags, int *ret);
-int sss_openat_cloexec(int dir_fd, const char *pathname, int flags, int *ret);
+#include "io.h"
 
 /* Endianness-compatibility for systems running older versions of glibc */