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Localize a few functions in stdnse.generate_random_string for performance reasons

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This commit is contained in:
dmiller 2014-09-03 04:49:49 +00:00
parent d0b360b1a2
commit 25725d369e
1 changed files with 5 additions and 3 deletions
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8
nselib/stdnse.lua
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@ -30,10 +30,12 @@ local type = type
local ceil = math.ceil
local max = math.max
local random = math.random
local format = string.format;
local rep = string.rep
local match = string.match
local char = string.char
local concat = table.concat;
local insert = table.insert;
@ -246,14 +248,14 @@ function generate_random_string(len, charset)
local ascii_Z = 90
if charset then
for i=1,len do
t[i]=charset[math.random(#charset)]
t[i]=charset[random(#charset)]
end
else
for i=1,len do
t[i]=string.char(math.random(ascii_A,ascii_Z))
t[i]=char(random(ascii_A,ascii_Z))
end
end
return table.concat(t)
return concat(t)
end
--- Return a wrapper closure around a socket that buffers socket reads into