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[ospfd] Fix failure of Fletcher checksum with certain compilers

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2006-03-27 Paul Jakma <paul.jakma@sun.com>

	* ospf_lsa.c: (ospf_lsa_checksum) Add an explicit cast to avoid
	  the ambiguities of ANSI and C99 C with respect to type
	  conversion. Detailed problem report and test case with
	  example data supplied by Dmitry Ivanov <dimss@telecentrs.lv>.
This commit is contained in:
Paul Jakma 2006-03-30 14:34:31 +00:00
parent d4ce4f681e
commit 075c2011bb
2 changed files with 8 additions and 1 deletions
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7
ospfd/ChangeLog
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@ -1,3 +1,10 @@
2006-03-27 Paul Jakma <paul.jakma@sun.com>
* ospf_lsa.c: (ospf_lsa_checksum) Add an explicit cast to avoid
the ambiguities of ANSI and C99 C with respect to type
conversion. Detailed problem report and test case with
example data supplied by Dmitry Ivanov <dimss@telecentrs.lv>.
2006-03-25 Paul Jakma <paul.jakma@sun.com>
* ospf_interface.c: (ospf_if_lookup_recv_if) Ignore loopbacks,

2
ospfd/ospf_lsa.c
View File

@ -202,7 +202,7 @@ ospf_lsa_checksum (struct lsa_header *lsa)
c1 %= 255;
}
x = ((length - LSA_CHECKSUM_OFFSET) * c0 - c1) % 255;
x = (((int)length - LSA_CHECKSUM_OFFSET) * c0 - c1) % 255;
if (x <= 0)
x += 255;
y = 510 - c0 - x;