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add network listening & tests

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R=r,presotto
OCL=15410
CL=15440
This commit is contained in:
Russ Cox 2008-09-17 13:49:23 -07:00
parent a456463891
commit 9350ef4eea
10 changed files with 381 additions and 43 deletions
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12
src/lib/net/ip.go
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@ -336,6 +336,10 @@ func ParseIPv6(s string) *[]byte {
if len(s) >= 2 && s[0] == ':' && s[1] == ':' {
ellipsis = 0;
i = 2
// Might be only ellipsis
if i == len(s) {
return p
}
}
// Loop, parsing hex numbers followed by colon.
@ -343,12 +347,12 @@ func ParseIPv6(s string) *[]byte {
L: for j < IPv6len {
// Hex number.
n, i1, ok := xtoi(s, i)
if !ok || n >= 0xFFFF {
if !ok || n > 0xFFFF {
return nil
}
// If followed by dot, might be in trailing IPv4.
if s[i1] == '.' {
if i1 < len(s) && s[i1] == '.' {
if ellipsis < 0 && j != IPv6len - IPv4len {
// Not the right place.
return nil
@ -389,7 +393,7 @@ L: for j < IPv6len {
i++
// Look for ellipsis.
if s[i+1] == ':' {
if s[i] == ':' {
if ellipsis >= 0 { // already have one
return nil
}
@ -411,7 +415,7 @@ L: for j < IPv6len {
return nil
}
n := IPv6len - j
for k := j; k >= ellipsis; k-- {
for k := j-1; k >= ellipsis; k-- {
p[k+n] = p[k]
}
for k := ellipsis+n-1; k>=ellipsis; k-- {