This patch removes a use of uninitialized memory in lmgr/lock.c, by

bmomjian · bmomjian · commit 5ad4faf13ac0 · 2002-09-26T05:18:30.000Z
adding a missing sprintf().

Neil Conway
diff --git a/src/backend/storage/lmgr/lock.c b/src/backend/storage/lmgr/lock.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.115 2002/09/04 20:31:25 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.116 2002/09/26 05:18:30 momjian Exp $
  *
  * NOTES
  *	  Outside modules can create a lock table and acquire/release
@@ -256,6 +256,7 @@ LockMethodTableInit(char *tabName,
 	shmemName = (char *) palloc(strlen(tabName) + 32);
 
 	/* each lock table has a non-shared, permanent header */
+	sprintf(shmemName, "%s (lock method table)", tabName);
 	lockMethodTable = (LOCKMETHODTABLE *)
 		ShmemInitStruct(shmemName, sizeof(LOCKMETHODTABLE), &found);
 

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.115 2002/09/04 20:31:25 momjian Exp $`
	`11`	`+ * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.116 2002/09/26 05:18:30 momjian Exp $`
`12`	`12`	`*`
`13`	`13`	`* NOTES`
`14`	`14`	`* Outside modules can create a lock table and acquire/release`
`@@ -256,6 +256,7 @@ LockMethodTableInit(char *tabName,`
`256`	`256`	`shmemName = (char *) palloc(strlen(tabName) + 32);`
`257`	`257`
`258`	`258`	`/* each lock table has a non-shared, permanent header */`
	`259`	`+ sprintf(shmemName, "%s (lock method table)", tabName);`
`259`	`260`	`lockMethodTable = (LOCKMETHODTABLE *)`
`260`	`261`	`ShmemInitStruct(shmemName, sizeof(LOCKMETHODTABLE), &found);`
`261`	`262`