Set connection back to NULL after freeing it.

Michael Meskes · Michael Meskes · commit 44a36a8d9a6e · 2018-03-12T23:53:39.000+01:00
Patch by Jeevan Ladhe &lt;jeevan.ladhe@enterprisedb.com&gt;
diff --git a/src/interfaces/ecpg/preproc/output.c b/src/interfaces/ecpg/preproc/output.c
@@ -155,6 +155,7 @@ output_statement(char *stmt, int whenever_mode, enum ECPG_statement_type st)
 	free(stmt);
 	if (connection != NULL)
 		free(connection);
+	connection = NULL;
 }
 
 void
@@ -169,6 +170,7 @@ output_prepare_statement(char *name, char *stmt)
 	free(name);
 	if (connection != NULL)
 		free(connection);
+	connection = NULL;
 }
 
 void
@@ -189,6 +191,7 @@ output_deallocate_prepare_statement(char *name)
 	free(name);
 	if (connection != NULL)
 		free(connection);
+	connection = NULL;
 }
 
 static void

Original file line number	Diff line number	Diff line change
`@@ -155,6 +155,7 @@ output_statement(char *stmt, int whenever_mode, enum ECPG_statement_type st)`
`155`	`155`	`free(stmt);`
`156`	`156`	`if (connection != NULL)`
`157`	`157`	`free(connection);`
	`158`	`+ connection = NULL;`
`158`	`159`	`}`
`159`	`160`
`160`	`161`	`void`
`@@ -169,6 +170,7 @@ output_prepare_statement(char name, char stmt)`
`169`	`170`	`free(name);`
`170`	`171`	`if (connection != NULL)`
`171`	`172`	`free(connection);`
	`173`	`+ connection = NULL;`
`172`	`174`	`}`
`173`	`175`
`174`	`176`	`void`
`@@ -189,6 +191,7 @@ output_deallocate_prepare_statement(char *name)`
`189`	`191`	`free(name);`
`190`	`192`	`if (connection != NULL)`
`191`	`193`	`free(connection);`
	`194`	`+ connection = NULL;`
`192`	`195`	`}`
`193`	`196`
`194`	`197`	`static void`