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From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: Fix hardlink detection on platforms having padding in struct
Date: Thu, 12 Mar 2015 19:20:11 -0500 (EST)	[thread overview]
Message-ID: <12624532129193710670.enqueue@fantadrom.bsd.lv> (raw)

Log Message:
-----------
Fix hardlink detection on platforms having padding in struct inodev,
typically 64bit platforms.  This was basically broken since forever.
Not only is the padding used, but it was used uninitialized.  
Problem reported by jmc@.

Modified Files:
--------------
    mdocml:
        mandocdb.c

Revision Data
-------------
Index: mandocdb.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mandocdb.c,v
retrieving revision 1.185
retrieving revision 1.186
diff -Lmandocdb.c -Lmandocdb.c -u -p -r1.185 -r1.186
--- mandocdb.c
+++ mandocdb.c
@@ -942,6 +942,7 @@ mlink_add(struct mlink *mlink, const str
 	assert(NULL == ohash_find(&mlinks, slot));
 	ohash_insert(&mlinks, slot, mlink);
 
+	memset(&inodev, 0, sizeof(inodev));  /* Clear padding. */
 	inodev.st_ino = st->st_ino;
 	inodev.st_dev = st->st_dev;
 	slot = ohash_lookup_memory(&mpages, (char *)&inodev,
--
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                 reply	other threads:[~2015-03-13  0:20 UTC|newest]

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