Im not sure about what "better version" means, but my guess would be a faster
or more reliable version. If that's the case:
> for (int i = 0; i < strlen(source); i++) {
Since you're going on ebyte at a time, there's no need to know how big the
array is. As a stopping condition you could use source[i] != '\0', which is one
less pass through the array.
One other optimization that could be done (but is a bigger headache to
implement correctly) would be to cast the char* into uint64_t* (or uint32_t*
for 32-bit systems) and copy more bytes at a time. The headache comes from
finding a 0 in this longer variable, but you can probably use a similar
strategy to freebsd's strlen
(https://github.com/freebsd/freebsd-src/blob/main/lib/libc/string/strlen.c).
I'm not sure if it would be a real speedup in most cases, since glibc can use
this strategy already), but at least we'd have consistent performance in case
some system doesn't use it
Bruno Piazera Larsen
Instituto de Pesquisas
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Analista de Software Trainee
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