X-Git-Url: http://www.lcore.org/git/lcore.git/blobdiff_plain/e27ef2c6aab3a2a8051314bd37bb3b2386775f36..4e72d8df4cde72eb1e62da6e0331af4b7f3e4c6a:/binipstuff.pas?ds=sidebyside diff --git a/binipstuff.pas b/binipstuff.pas index ae3d23a..489c2a2 100644 --- a/binipstuff.pas +++ b/binipstuff.pas @@ -4,25 +4,28 @@ ----------------------------------------------------------------------------- } unit binipstuff; +{$ifdef fpc} +{$mode delphi} +{$endif} + interface {$include lcoreconfig.inc} uses - {$ifndef win32}{$ifdef ipv6}sockets,{$endif}{$endif} +{$ifndef mswindows} + sockets, +{$endif} pgtypes; -{$ifdef fpc} - {$mode delphi} -{$endif} -{$ifdef cpu386}{$define i386}{$endif} -{$ifdef i386}{$define ENDIAN_LITTLE}{$endif} + +{$include pgtypes.inc} {$include uint32.inc} const hexchars:array[0..15] of ansichar='0123456789abcdef'; - {$ifdef win32} + {$ifdef mswindows} AF_INET=2; AF_INET6=23; {$else} @@ -36,7 +39,7 @@ const type {$ifdef ipv6} - {$ifdef win32} + {$ifdef mswindows} {$define want_Tin6_addr} {$endif} {$ifdef ver1_0} @@ -67,7 +70,7 @@ type {$endif} end; - {$ifdef win32} + {$ifdef mswindows} TInetSockAddr = packed Record family:Word; port :Word; @@ -163,6 +166,10 @@ function inaddrvtobinip(inaddrv:tinetsockaddrv):tbinip; function makeinaddrv(addr:tbinip;port:ansistring;var inaddr:tinetsockaddrv):integer; function inaddrsize(inaddr:tinetsockaddrv):integer; +function getbinipbitlength(const ip:tbinip):integer; +function getipstrbitlength(const ip:thostname):integer; +function getfamilybitlength(family:integer):integer; + implementation uses sysutils; @@ -331,7 +338,7 @@ written by beware - implementation does not depend on other ipv6 code such as the tin6_addr type, the parameter can also be untyped. -- it is host endian neutral - binary format is aways network order +- it is host endian neutral - binary format is always network order - it supports compression of zeroes - it supports ::ffff:192.168.12.34 style addresses - they are made to do the Right Thing, more efficient implementations are possible @@ -382,6 +389,13 @@ begin end; end; end; + + {run length at least 2 0 words} + if (runlength = 1) then begin + runlength := 0; + runbegin := 0; + end; + result := ''; for a := 0 to runbegin-1 do begin if (a <> 0) then result := result + ':'; @@ -545,8 +559,8 @@ begin {$ifdef ipv6} if ip.family = AF_INET then begin ip.family := AF_INET6; - ip.ip6.s6_addr32[3] := ip.ip; - ip.ip6.u6_addr32[0] := 0; + ip.ip6.s6_addr32[3] := ip.ip; + ip.ip6.u6_addr32[0] := 0; ip.ip6.u6_addr32[1] := 0; ip.ip6.u6_addr16[4] := 0; ip.ip6.u6_addr16[5] := $ffff; @@ -650,5 +664,26 @@ begin end; end; +function getfamilybitlength(family:integer):integer; +begin + {$ifdef ipv6} + if family = AF_INET6 then result := 128 else + {$endif} + if family = AF_INET then result := 32 + else result := 0; +end; + +function getbinipbitlength(const ip:tbinip):integer; +begin + result := getfamilybitlength(ip.family); +end; + +function getipstrbitlength(const ip:thostname):integer; +var + biniptemp:tbinip; +begin + ipstrtobin(ip,biniptemp); + result := getbinipbitlength(biniptemp); +end; end.