From a197e759ffcb047a383adf686966f68934fef206 Mon Sep 17 00:00:00 2001
From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Wed, 7 May 2008 12:15:19 +0000
Subject: [PATCH] Edgar Grimberg plugged a leak found w/Valgrind.

git-svn-id: svn://svn.berlios.de/openocd/trunk@646 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
 src/helper/command.c | 39 +++++++++++++++++++++++++++++++++++++++
 src/helper/command.h |  1 +
 src/openocd.c        |  2 ++
 3 files changed, 42 insertions(+)

diff --git a/src/helper/command.c b/src/helper/command.c
index 31666e3a7..0a120b102 100644
--- a/src/helper/command.c
+++ b/src/helper/command.c
@@ -143,6 +143,45 @@ command_t* register_command(command_context_t *context, command_t *parent, char
 	return c;
 }
 
+int unregister_all_commands(command_context_t *context)
+{
+	command_t *c, *c2;
+	
+	unique_length_dirty = 1;
+	
+	if (context == NULL)
+		return ERROR_OK;
+	
+	
+	while(NULL != context->commands)
+	{
+		c = context->commands;
+		
+		while(NULL != c->children)
+		{
+			c2 = c->children;
+			c->children = c->children->next;
+			free(c2->name);
+			c2->name = NULL;
+			free(c2->help);
+			c2->help = NULL;
+			free(c2);
+			c2 = NULL;
+		}
+		
+		context->commands = context->commands->next;
+		
+		free(c->name);
+		c->name = NULL;
+		free(c->help);
+		c->help = NULL;
+		free(c);
+		c = NULL;		
+	}
+	
+	return ERROR_OK;
+}
+
 int unregister_command(command_context_t *context, char *name)
 {
 	command_t *c, *p = NULL, *c2;
diff --git a/src/helper/command.h b/src/helper/command.h
index 3586017de..ed6a96a70 100644
--- a/src/helper/command.h
+++ b/src/helper/command.h
@@ -66,6 +66,7 @@ typedef struct command_s
 
 extern command_t* register_command(command_context_t *context, command_t *parent, char *name, int (*handler)(struct command_context_s *context, char* name, char** args, int argc), enum command_mode mode, char *help);
 extern int unregister_command(command_context_t *context, char *name);
+extern int unregister_all_commands(command_context_t *context);
 extern void command_set_output_handler(command_context_t* context, int (*output_handler)(struct command_context_s *context, char* line), void *priv);
 extern command_context_t* copy_command_context(command_context_t* context);
 extern command_context_t* command_init();
diff --git a/src/openocd.c b/src/openocd.c
index 449736e16..946cd93c4 100644
--- a/src/openocd.c
+++ b/src/openocd.c
@@ -225,6 +225,8 @@ int main(int argc, char *argv[])
 	/* shut server down */
 	server_quit();
 
+	unregister_all_commands(cmd_ctx);
+	
 	/* free commandline interface */
 	command_done(cmd_ctx);