cScm Configuration Daemon

Index: msglog.h
===================================================================
--- msglog.h	(nonexistent)
+++ msglog.h	(revision 5)
@@ -0,0 +1,98 @@
+
+/**********************************************************************
+
+  Copyright 2019 Andrey V.Kosteltsev
+
+  Licensed under the Radix.pro License, Version 1.0 (the "License");
+  you may not use this file  except  in compliance with the License.
+  You may obtain a copy of the License at
+
+     https://radix.pro/licenses/LICENSE-1.0-en_US.txt
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.
+
+ **********************************************************************/
+
+#ifndef _MSG_LOG_H_
+#define _MSG_LOG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern FILE *errlog;
+
+extern void (*fatal_error_hook)( void );
+
+extern char *program;
+extern int   exit_status;
+
+enum _msg_type
+{
+  MSG_FATAL = 0,
+  MSG_ERROR,
+  MSG_WARNING,
+  MSG_NOTICE,
+  MSG_INFO,
+  MSG_DEBUG,
+
+  MSG_LOG
+};
+
+#define FATAL_ERROR( ... )                    \
+  do                                          \
+  {                                           \
+    logmsg( errlog, MSG_FATAL, __VA_ARGS__ ); \
+    if( fatal_error_hook) fatal_error_hook(); \
+    exit( EXIT_FAILURE );                     \
+  } while (0)
+
+#define ERROR( ... )                          \
+  do                                          \
+  {                                           \
+    logmsg( errlog, MSG_ERROR, __VA_ARGS__ ); \
+    ++exit_status;                            \
+  } while (0)
+
+#define WARNING( ... )                          \
+  do                                            \
+  {                                             \
+    logmsg( errlog, MSG_WARNING, __VA_ARGS__ ); \
+  } while (0)
+
+#define NOTICE( ... )                          \
+  do                                           \
+  {                                            \
+    logmsg( errlog, MSG_NOTICE, __VA_ARGS__ ); \
+  } while (0)
+
+#define INFO( ... )                          \
+  do                                         \
+  {                                          \
+    logmsg( errlog, MSG_INFO, __VA_ARGS__ ); \
+  } while (0)
+
+#define DEBUG( ... )                          \
+  do                                          \
+  {                                           \
+    logmsg( errlog, MSG_DEBUG, __VA_ARGS__ ); \
+  } while (0)
+
+#define LOG( ... )                          \
+  do                                        \
+  {                                         \
+    logmsg( errlog, MSG_LOG, __VA_ARGS__ ); \
+  } while (0)
+
+
+extern void logmsg( FILE *logfile, enum _msg_type type, char *format, ... );
+
+
+#ifdef __cplusplus
+}  /* ... extern "C" */
+#endif
+
+#endif /* _MSG_LOG_H_ */