Move JNI setInstancePath() into own source file

Makefile.in

@@ -32,23 +32,31 @@ SERVAL_DAEMON_OBJS = \
 	$(addprefix $(OBJSDIR_SERVALD)/, $(SERVAL_CLIENT_SOURCES:.c=.o)) \
 	$(addprefix $(OBJSDIR_SERVALD)/, $(MDP_CLIENT_SOURCES:.c=.o)) \
 	$(addprefix $(OBJSDIR_SERVALD)/, $(SERVAL_DAEMON_SOURCES:.c=.o))
-ifeq (@HAVE_JNI_H@,yes)
-SERVAL_DAEMON_OBJS += \
+
+SERVAL_DAEMON_JNI_OBJS = \
 	$(addprefix $(OBJSDIR_SERVALD)/, $(SERVAL_DAEMON_JNI_SOURCES:.c=.o))
+
+ifeq (@HAVE_JNI_H@,yes)
+SERVAL_DAEMON_OBJS += $(SERVAL_DAEMON_JNI_OBJS)
 endif
+
 SQLITE3_OBJS = \
 	$(addprefix $(OBJSDIR_SERVALD)/, $(notdir $(SQLITE3_SOURCES:.c=.o)))
+
 SERVALD_OBJS = \
 	$(SQLITE3_OBJS) \
 	$(SERVAL_DAEMON_OBJS)
+
 LIB_SERVAL_OBJS = \
 	$(addprefix $(OBJSDIR_LIB)/, $(SERVAL_CLIENT_SOURCES:.c=.o)) \
 	$(addprefix $(OBJSDIR_LIB)/, $(CLIENT_ONLY_SOURCES:.c=.o)) \
 	$(addprefix $(OBJSDIR_LIB)/, $(MDP_CLIENT_SOURCES:.c=.o))
+
 MONITOR_CLIENT_OBJS = \
 	$(addprefix $(OBJSDIR_LIB)/, $(SERVAL_CLIENT_SOURCES:.c=.o)) \
 	$(addprefix $(OBJSDIR_LIB)/, $(CLIENT_ONLY_SOURCES:.c=.o)) \
 	$(addprefix $(OBJSDIR_LIB)/, $(MONITOR_CLIENT_SRCS:.c=.o))
+
 SIMULATOR_OBJS = \
 	$(addprefix $(OBJSDIR_TOOLS)/, $(SIMULATOR_SOURCES:.c=.o))
 
@@ -236,8 +244,7 @@ libservald.a: 	$(SERVALD_OBJS) \
 
 libservald.so: \
 		$(OBJSDIR_SERVALD)/servald_features.o \
-		$(OBJSDIR_SERVALD)/jni_commandline.o \
-		$(OBJSDIR_SERVALD)/jni_server.o \
+		$(SERVAL_DAEMON_JNI_OBJS) \
 		libservald.a
 	@echo LINK $@
 	@$(CC) -Wall -shared -o $@ $^ $(LDFLAGS)

instance.c

@@ -1,6 +1,6 @@
 /*
-Serval DNA instance directory path
-Copyright (C) 2012 Serval Project Inc.
+Serval DNA instance paths
+Copyright (C) 2012-2015 Serval Project Inc.
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
@@ -18,21 +18,12 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
 
 #include <stdlib.h>
-#ifdef HAVE_JNI_H
-#include <jni.h>
-
-// Stop OpenJDK 7 from foisting their UNUSED() macro on us in <jni_md.h>
-#ifdef UNUSED
-# undef UNUSED
-#endif
-#endif
 #include "instance.h"
 #include "str.h"
 #include "os.h"
 #include "strbuf.h"
 #include "strbuf_helpers.h"
 
-
 /*
  * A default INSTANCE_PATH can be set on the ./configure command line, eg:
  *
@@ -104,19 +95,12 @@ const char *instance_path()
   return instancepath;
 }
 
-#ifdef HAVE_JNI_H
-JNIEXPORT jint JNICALL Java_org_servalproject_servaldna_ServalDCommand_setInstancePath(
-  JNIEnv *env, jobject UNUSED(this), jobject path)
+void set_instance_path(const char *path)
 {
-  const char *cpath = (*env)->GetStringUTFChars(env, path, NULL);
-  instancepath = strdup(cpath);
+  instancepath = strdup(path);
   know_instancepath = 1;
-  (*env)->ReleaseStringUTFChars(env, path, cpath);
-  return (jint)0;
 }
 
-#endif
-
 static int vformf_path(struct __sourceloc __whence, strbuf b, const char *syspath, const char *fmt, va_list ap)
 {
   if (fmt)

instance.h

@@ -1,6 +1,7 @@
 /*
-Serval DNA header file - system paths
-Copyright (C) 2014 Serval Project Inc.
+Serval DNA instance paths
+Copyright (C) 2014-2015 Serval Project Inc.
+Copyright (C) 2016 Flinders University
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
@@ -25,6 +26,9 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "strbuf.h"
 
 const char *instance_path(); // returns NULL if not using an instance path
+
+void set_instance_path(const char *path);
+
 int create_serval_instance_dir();
 
 int _formf_serval_etc_path(struct __sourceloc, char *buf, size_t bufsiz, const char *fmt, ...) __attribute__((__ATTRIBUTE_format(printf,4,5)));

jni_instance.c

@@ -0,0 +1,31 @@
+/*
+Serval DNA JNI instance directory path
+Copyright (C) 2016 Flinders University
+
+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 2
+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, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#include <assert.h>
+#include "jni_common.h"
+#include "instance.h"
+
+JNIEXPORT jint JNICALL Java_org_servalproject_servaldna_ServalDCommand_setInstancePath(
+  JNIEnv *env, jobject UNUSED(this), jobject path)
+{
+  const char *cpath = (*env)->GetStringUTFChars(env, path, NULL);
+  set_instance_path(cpath);
+  (*env)->ReleaseStringUTFChars(env, path, cpath);
+  return (jint)0;
+}

sourcefiles.mk

@@ -124,6 +124,7 @@ SERVAL_DAEMON_SOURCES = \
 SERVAL_DAEMON_JNI_SOURCES = \
 	jni_common.c \
 	jni_commandline.c \
+	jni_instance.c \
 	jni_server.c
 
 MDP_CLIENT_SOURCES = \