util-lib: export cryptsetup logging glue function

src/basic/crypt-util.c

@@ -0,0 +1,27 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2017 Zbigniew Jędrzejewski-Szmek
+
+  systemd 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.
+
+  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#if HAVE_LIBCRYPTSETUP
+#include "crypt-util.h"
+#include "log.h"
+
+void cryptsetup_log_glue(int level, const char *msg, void *usrptr) {
+        log_debug("%s", msg);
+}
+#endif

src/basic/crypt-util.h

@@ -24,4 +24,6 @@
 #include "macro.h"
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(struct crypt_device *, crypt_free);
+
+void cryptsetup_log_glue(int level, const char *msg, void *usrptr);
 #endif

src/basic/meson.build

@@ -61,6 +61,7 @@ basic_sources_plain = files('''
         copy.h
         cpu-set-util.c
         cpu-set-util.h
+        crypt-util.c
         crypt-util.h
         def.h
         device-nodes.c

src/cryptsetup/cryptsetup.c

@@ -255,10 +255,6 @@ static int parse_options(const char *options) {
         return 0;
 }
 
-static void log_glue(int level, const char *msg, void *usrptr) {
-        log_debug("%s", msg);
-}
-
 static int disk_major_minor(const char *path, char **ret) {
         struct stat st;
 
@@ -667,7 +663,7 @@ int main(int argc, char *argv[]) {
                         goto finish;
                 }
 
-                crypt_set_log_callback(cd, log_glue, NULL);
+                crypt_set_log_callback(cd, cryptsetup_log_glue, NULL);
 
                 status = crypt_status(cd, argv[2]);
                 if (IN_SET(status, CRYPT_ACTIVE, CRYPT_BUSY)) {
@@ -751,7 +747,7 @@ int main(int argc, char *argv[]) {
                         goto finish;
                 }
 
-                crypt_set_log_callback(cd, log_glue, NULL);
+                crypt_set_log_callback(cd, cryptsetup_log_glue, NULL);
 
                 r = crypt_deactivate(cd, argv[2]);
                 if (r < 0) {

src/veritysetup/veritysetup.c

@@ -41,10 +41,6 @@ static int help(void) {
         return 0;
 }
 
-static void log_glue(int level, const char *msg, void *usrptr) {
-        log_debug("%s", msg);
-}
-
 int main(int argc, char *argv[]) {
         _cleanup_(crypt_freep) struct crypt_device *cd = NULL;
         int r;
@@ -89,7 +85,7 @@ int main(int argc, char *argv[]) {
                         goto finish;
                 }
 
-                crypt_set_log_callback(cd, log_glue, NULL);
+                crypt_set_log_callback(cd, cryptsetup_log_glue, NULL);
 
                 status = crypt_status(cd, argv[2]);
                 if (IN_SET(status, CRYPT_ACTIVE, CRYPT_BUSY)) {
@@ -127,7 +123,7 @@ int main(int argc, char *argv[]) {
                         goto finish;
                 }
 
-                crypt_set_log_callback(cd, log_glue, NULL);
+                crypt_set_log_callback(cd, cryptsetup_log_glue, NULL);
 
                 r = crypt_deactivate(cd, argv[2]);
                 if (r < 0) {