[SCM] master: New worker functions.

[cagney@sourceware.org]

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- Log -----------------------------------------------------------------
commit f493456a57042ba675656a695cf44ec495fe077f
Author: Andrew Cagney <cagney@redhat.com>
Date:   Thu Apr 17 15:23:22 2008 -0400

    New worker functions.
    
    frysk-sys/frysk/ChangeLog
    2008-04-17  Andrew Cagney  <cagney@redhat.com>
    
    	* jni/exceptions.cxx: New.
    	* jni/exceptions.hxx: New.

-----------------------------------------------------------------------

Summary of changes:
 frysk-sys/frysk/ChangeLog          |    5 ++
 frysk-sys/frysk/jni/exceptions.cxx |   81 ++++++++++++++++++++++++++++++++++++
 frysk-sys/frysk/jni/exceptions.hxx |   51 ++++++++++++++++++++++
 3 files changed, 137 insertions(+), 0 deletions(-)
 create mode 100644 frysk-sys/frysk/jni/exceptions.cxx
 create mode 100644 frysk-sys/frysk/jni/exceptions.hxx

First 500 lines of diff:
diff --git a/frysk-sys/frysk/ChangeLog b/frysk-sys/frysk/ChangeLog
index d2b4ff3..0221e86 100644
--- a/frysk-sys/frysk/ChangeLog
+++ b/frysk-sys/frysk/ChangeLog
@@ -1,3 +1,8 @@
+2008-04-17  Andrew Cagney  <cagney@redhat.com>
+
+	* jni/exceptions.cxx: New.
+	* jni/exceptions.hxx: New.
+
 2008-04-16  Andrew Cagney  <cagney@redhat.com>
 
 	* jni/util.cxx: New.
diff --git a/frysk-sys/frysk/jni/exceptions.cxx b/frysk-sys/frysk/jni/exceptions.cxx
new file mode 100644
index 0000000..c1c8834
--- /dev/null
+++ b/frysk-sys/frysk/jni/exceptions.cxx
@@ -0,0 +1,81 @@
+// This file is part of the program FRYSK.
+//
+// Copyright 2008, Red Hat Inc.
+//
+// FRYSK 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; version 2 of the License.
+//
+// FRYSK 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 FRYSK; if not, write to the Free Software Foundation,
+// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+// 
+// In addition, as a special exception, Red Hat, Inc. gives You the
+// additional right to link the code of FRYSK with code not covered
+// under the GNU General Public License ("Non-GPL Code") and to
+// distribute linked combinations including the two, subject to the
+// limitations in this paragraph. Non-GPL Code permitted under this
+// exception must only link to the code of FRYSK through those well
+// defined interfaces identified in the file named EXCEPTION found in
+// the source code files (the "Approved Interfaces"). The files of
+// Non-GPL Code may instantiate templates or use macros or inline
+// functions from the Approved Interfaces without causing the
+// resulting work to be covered by the GNU General Public
+// License. Only Red Hat, Inc. may make changes or additions to the
+// list of Approved Interfaces. You must obey the GNU General Public
+// License in all respects for all of the FRYSK code and other code
+// used in conjunction with FRYSK except the Non-GPL Code covered by
+// this exception. If you modify this file, you may extend this
+// exception to your version of the file, but you are not obligated to
+// do so. If you do not wish to provide this exception without
+// modification, you must delete this exception statement from your
+// version and license this file solely under the GPL without
+// exception.
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include <jni.h>
+
+#include "frysk/jni/exceptions.hxx"
+
+void
+errnoException(JNIEnv *env, int error, const char *prefix) {
+  // Hack; for moment just throw something.
+  runtimeException(env, "not implemented: %s#%d#%s",
+		   __FILE__, __LINE__, __func__);
+}
+
+void
+errnoException(JNIEnv *env, int error, const char *prefix,
+	       const char *fmt, ...) {
+  // Hack; for moment just throw something.
+  runtimeException(env, "not implemented: %s#%d#%s",
+		   __FILE__, __LINE__, __func__);
+}
+
+void
+runtimeException(JNIEnv *env, const char *fmt, ...) {
+  jclass cls = env->FindClass("java/lang/RuntimeException");
+  if (cls != NULL) {
+    va_list ap;
+    va_start(ap, fmt);
+    char *msg = NULL;
+    if (::vasprintf(&msg, fmt, ap) < 0) {
+      fprintf(stderr, "runtimeException: vasprintf failed: %s",
+	      ::strerror(errno));
+      env->ThrowNew(cls, "runtimeException: vasprintf failed");
+    }
+    env->ThrowNew(cls, msg);
+    ::free(msg);
+    va_end(ap);
+  }
+}
diff --git a/frysk-sys/frysk/jni/exceptions.hxx b/frysk-sys/frysk/jni/exceptions.hxx
new file mode 100644
index 0000000..06473d0
--- /dev/null
+++ b/frysk-sys/frysk/jni/exceptions.hxx
@@ -0,0 +1,51 @@
+// This file is part of the program FRYSK.
+//
+// Copyright 2008, Red Hat Inc.
+//
+// FRYSK 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; version 2 of the License.
+//
+// FRYSK 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 FRYSK; if not, write to the Free Software Foundation,
+// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+// 
+// In addition, as a special exception, Red Hat, Inc. gives You the
+// additional right to link the code of FRYSK with code not covered
+// under the GNU General Public License ("Non-GPL Code") and to
+// distribute linked combinations including the two, subject to the
+// limitations in this paragraph. Non-GPL Code permitted under this
+// exception must only link to the code of FRYSK through those well
+// defined interfaces identified in the file named EXCEPTION found in
+// the source code files (the "Approved Interfaces"). The files of
+// Non-GPL Code may instantiate templates or use macros or inline
+// functions from the Approved Interfaces without causing the
+// resulting work to be covered by the GNU General Public
+// License. Only Red Hat, Inc. may make changes or additions to the
+// list of Approved Interfaces. You must obey the GNU General Public
+// License in all respects for all of the FRYSK code and other code
+// used in conjunction with FRYSK except the Non-GPL Code covered by
+// this exception. If you modify this file, you may extend this
+// exception to your version of the file, but you are not obligated to
+// do so. If you do not wish to provide this exception without
+// modification, you must delete this exception statement from your
+// version and license this file solely under the GPL without
+// exception.
+
+/**
+ * Creates various exceptions making them pending ready for the JNI
+ * code return.
+ */
+
+extern void errnoException(JNIEnv *env, int error, const char *prefix);
+extern void errnoException(JNIEnv *env, int error, const char *prefix,
+			   const char *fmt, ...)
+  __attribute__((format (printf, 4, 5)));
+
+extern void runtimeException(JNIEnv *env, const char *fmt, ...)
+  __attribute__((format (printf, 2, 3)));


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