cmdlib prototypes

tools/lvm2cmd.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2003 Sistina Software (UK) Limited.
+ *
+ * This file is released under the GPL.
+ */
+
+#ifndef _LVM_CMDLIB_H
+#define _LVM_CMDLIB_H
+
+#ifndef _LVM_LOG_H
+typedef void (*lvm2_log_fn_t) (int level, const char *file, int line,
+			       const char *message);
+#endif
+
+#define LVM2_LOG_SUPPRESS	0
+
+/* Logging levels */
+#define LVM2_LOG_FATAL		2
+#define LVM2_LOG_ERROR		3
+#define LVM2_LOG_PRINT		4
+#define LVM2_LOG_VERBOSE 	5
+#define LVM2_LOG_VERY_VERBOSE	6
+#define LVM2_LOG_DEBUG		7
+
+/*
+ * Define external function to replace the built-in logging function.
+ * It receives output line-by-line.
+ *
+ * level is the logging level (see above)
+ * file & line refer to the source code where the message originates.
+ */
+void lvm2_log_fn(lvm2_log_fn_t log_fn);
+
+/*
+ * Initialise library.
+ * Returns a handle so repeated use of lvm2_run is more efficient.
+ */ 
+void *lvm2_init(void);
+
+/*
+ * Set log level (as above) if using built-in logging function. 
+ * Default is LVM2_LOG_PRINT.  Use LVM2_LOG_SUPPRESS to suppress output.
+ */
+void lvm2_log_level(void *handle, int level);
+
+/*
+ * Run an LVM2 command. 
+ * Use NULL handle if the call is a one-off and you don't want to bother 
+ * calling lvm2_init/lvm2_exit.
+ */
+int lvm2_run(void *handle, const char *cmdline);
+
+/* Release handle */
+void lvm2_exit(void *handle);
+
+#endif

tools/lvmcmdline.c

@@ -10,6 +10,7 @@
 #include "version.h"
 
 #include "stub.h"
+#include "lvm2cmd.h"
 
 #include <signal.h>
 #include <syslog.h>