ip-to-int

来自「EPIC IRC客户端。来源于IRCII客户端但做了很多性能和功能的优化。」· 代码 · 共 23 行

: {
	This converts an ip address (which you provide)
	into a 32 bit internet address, ala what DCC uses.
	One small problem -- epic does math with 'long's and
	not 'unsigned long's and so ip addresses above 128.*
	result in negative values.  How to fix this is left
	as an exercise for the reader.

	Written in November, 2000
}

alias ip_to_int (ip, void)
{
	@ :ip_list = split(. $ip)
	@ :ip32 = 0
	for xx in ($ip_list) {
		@ ip32 = (ip32 << 8) + xx
	}
	return $ip32
}

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