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buf = buf + 1
end
end
terra m.b32str(a: lib.mem.ptr(uint64))
end
return m
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buf = buf + 1
end
end
terra m.b32str(a: lib.mem.ptr(uint64))
end
terra m.decstr(val: intptr, buf: &int8): rawstring
-- works backwards to avoid copies. log10(2^64) ≈ 19.2 and we
-- need a byte for NUL so buf MUST point to THE END OF a buffer
-- at least 21 bytes long
@buf = 0
if val > 0 then while val > 0 do
buf = buf - 1
var dgt = val % 10
val = val / 10
@buf = 0x30 + dgt
end else
buf = buf - 1
@buf = 0x30
end
return buf
end
terra m.decstr_friendly(val: intptr, buf: &int8): rawstring
-- as above except needs size-28 buffers, on account of all the commas
@buf = 0
var dgtct: uint8 = 0
if val > 0 then while val > 0 do
buf = buf - 1
var dgt = val % 10
val = val / 10
@buf = 0x30 + dgt
if dgtct == 2 and val > 0 then
buf = buf - 1 @buf = @','
dgtct = 0
else dgtct = dgtct + 1 end
end else
buf = buf - 1
@buf = 0x30
end
return buf
end
return m
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