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file: New ef_typedstr_eq(), factored out of obj_changed()

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Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
This commit is contained in:
Markus Armbruster 2014-02-09 17:26:44 +01:00
parent e70d8f07f9
commit 7d3a3df283
3 changed files with 19 additions and 14 deletions
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15
src/lib/common/file.c
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@ -29,7 +29,7 @@
* Known contributors to this file:
* Dave Pare, 1989
* Steve McClure, 2000
* Markus Armbruster, 2005-2013
* Markus Armbruster, 2005-2014
*/
#include <config.h>
@ -600,6 +600,19 @@ ef_set_uid(int type, void *buf, int uid)
elt->seqno = get_seqno(ep, uid);
}
/*
* Are *A and *B equal, except for timestamps and such?
*/
int
ef_typedstr_eq(struct ef_typedstr *a, struct ef_typedstr *b)
{
return a->ef_type == b->ef_type
&& a->seqno == b->seqno
&& a->uid == b->uid
&& !memcmp((char *)a + sizeof(*a), (char *)b + sizeof(*a),
empfile[a->ef_type].size - sizeof(*a));
}
/*
* Return sequence number of element ID in table EP.
* Return zero if table is not EFF_TYPED (it has no sequence number