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changeset 17446:62bc285cb037

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mountlist: add support for deallocating returned list entries * lib/mountlist.c (free_mount_entry): A new exported function to deallocate a mount list entry. * lib/mountlist.h: Declare the new function. (read_file_system_list): Refactor to use the new deallocation function. Suggested by Anton Ovchinnikov.
author Pádraig Brady <P@draigBrady.com>
date Tue, 09 Jul 2013 13:55:58 +0100
parents 6b7c1e9c98d6
children d8be19310ad9
files ChangeLog lib/mountlist.c lib/mountlist.h
diffstat 3 files changed, 21 insertions(+), 5 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2013-07-09  Pádraig Brady  <P@draigBrady.com>
+
+	mountlist: add support for deallocating returned list entries
+	* lib/mountlist.c (free_mount_entry): A new exported function
+	to deallocate a mount list entry.
+	(read_file_system_list): Refactor to use the new deallocation function.
+	Suggested by Anton Ovchinnikov.
+
 2013-07-07  Paul Eggert  <eggert@cs.ucla.edu>
 
 	stdalign, verify: port to FreeBSD 9.1, to C11, and to C++11
--- a/lib/mountlist.c
+++ b/lib/mountlist.c
@@ -961,11 +961,7 @@
     while (mount_list)
       {
         me = mount_list->me_next;
-        free (mount_list->me_devname);
-        free (mount_list->me_mountdir);
-        if (mount_list->me_type_malloced)
-          free (mount_list->me_type);
-        free (mount_list);
+        free_mount_entry (mount_list);
         mount_list = me;
       }
 
@@ -973,3 +969,14 @@
     return NULL;
   }
 }
+
+/* Free a mount entry as returned from read_file_system_list ().  */
+
+void free_mount_entry (struct mount_entry *me)
+{
+  free (me->me_devname);
+  free (me->me_mountdir);
+  if (me->me_type_malloced)
+    free (me->me_type);
+  free (me);
+}
--- a/lib/mountlist.h
+++ b/lib/mountlist.h
@@ -36,5 +36,6 @@
 };
 
 struct mount_entry *read_file_system_list (bool need_fs_type);
+void free_mount_entry (struct mount_entry *entry);
 
 #endif