Set connection back to NULL after freeing it.

Michael Meskes · Michael Meskes · commit b32fad52e943 · 2018-03-13T16:22:28.000+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
@@ -158,6 +158,7 @@ output_statement(char *stmt, int whenever_mode, enum ECPG_statement_type st)
 	free(stmt);
 	if (connection != NULL)
 		free(connection);
+	connection = NULL;
 }
 
 void
@@ -172,6 +173,7 @@ output_prepare_statement(char *name, char *stmt)
 	free(name);
 	if (connection != NULL)
 		free(connection);
+	connection = NULL;
 }
 
 void
@@ -192,6 +194,7 @@ 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
`@@ -158,6 +158,7 @@ output_statement(char *stmt, int whenever_mode, enum ECPG_statement_type st)`
`158`	`158`	`free(stmt);`
`159`	`159`	`if (connection != NULL)`
`160`	`160`	`free(connection);`
	`161`	`+ connection = NULL;`
`161`	`162`	`}`
`162`	`163`
`163`	`164`	`void`
`@@ -172,6 +173,7 @@ output_prepare_statement(char name, char stmt)`
`172`	`173`	`free(name);`
`173`	`174`	`if (connection != NULL)`
`174`	`175`	`free(connection);`
	`176`	`+ connection = NULL;`
`175`	`177`	`}`
`176`	`178`
`177`	`179`	`void`
`@@ -192,6 +194,7 @@ output_deallocate_prepare_statement(char *name)`
`192`	`194`	`free(name);`
`193`	`195`	`if (connection != NULL)`
`194`	`196`	`free(connection);`
	`197`	`+ connection = NULL;`
`195`	`198`	`}`
`196`	`199`
`197`	`200`	`static void`