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Simplify ip_next_mtu() and make its logic more easy to see while

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silencing code analysis tools.

Found by:	Coverity Prevent(tm)
Coverity ID:	CID341
Sponsored by:	TCP/IP Optimization Fundraise 2005
This commit is contained in:
andre 2006-01-23 17:06:32 +00:00
parent 28f2f4cc1f
commit 3546e7b843
1 changed files with 12 additions and 19 deletions
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31
sys/netinet/ip_icmp.c
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@ -854,28 +854,21 @@ ip_next_mtu(mtu, dir)
65535, 32000, 17914, 8166, 4352, 2002, 1492, 1280, 1006, 508,
296, 68, 0
};
int i;
int i, size;
for (i = 0; i < (sizeof mtutab) / (sizeof mtutab[0]); i++) {
if (mtu >= mtutab[i])
break;
}
if (dir < 0) {
if (i == 0) {
return 0;
} else {
return mtutab[i - 1];
}
size = (sizeof mtutab) / (sizeof mtutab[0]);
if (dir >= 0) {
for (i = 0; i < size; i++) {
if (mtu > mtutab[i])
return mtutab[i];
} else {
if (mtutab[i] == 0) {
return 0;
} else if(mtu > mtutab[i]) {
return mtutab[i];
} else {
return mtutab[i + 1];
}
for (i = size - 1; i >= 0; i--)
if (mtu < mtutab[i])
return mtutab[i];
if (mtu == mtutab[0])
return mtutab[0];
}
return 0;
}