tree 384aeb18a404a076a57188070f1e155a7cc24b3d
parent 20b161e2859837e4f7fb1c19440ad7efe1588f1f
author Roberto Ierusalimschy <roberto@inf.puc-rio.br> 1556125280 -0300
committer Roberto Ierusalimschy <roberto@inf.puc-rio.br> 1556125280 -0300

Revamp of 'lua_pushfstring' / 'luaO_pushvfstring'

The function 'luaO_pushvfstring' now uses an internal buffer to
concatenate small strings, instead of pushing all pieces on the
stack. This avoids the creation of several small Lua strings for each
piece of the result. (For instance, a format like "n: '%d'" used to
create three intermediate strings: "n: '", the numeral, and "'".
Now it creates none.)