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ircd: Deinline some replace() stringops.

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This commit is contained in:
Jason Volk 2020-11-13 02:14:27 -08:00
parent fbc3ab87e9
commit 14a20955ec
2 changed files with 57 additions and 57 deletions
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57
include/ircd/stringops.h
View file

@ -119,63 +119,6 @@ ircd::trunc(const string_view &s,
return { s.data(), std::min(s.size(), max) };
}
inline ircd::string_view
ircd::replace(const mutable_buffer &out,
const string_view &in,
const char &before,
const char &after)
noexcept
{
const size_t cpsz
{
std::min(size(in), size(out))
};
// Branch for in-place copy if in and out are the same. Note that
// if this branch is not taken they cannot overlap in any way.
if(data(in) == data(out))
return replace(mutable_buffer(data(out), cpsz), before, after);
assert(!overlap(out, in));
char *const __restrict__ outp
{
begin(out)
};
const char *const __restrict__ inp
{
begin(in)
};
for(size_t i(0); i < cpsz; ++i)
outp[i] = inp[i] != before? inp[i]: after;
return string_view
{
begin(out), cpsz
};
}
inline ircd::string_view
ircd::replace(const mutable_buffer &s,
const char &before,
const char &after)
noexcept
{
char *const __restrict__ p
{
begin(s)
};
for(size_t i(0); i < size(s); ++i)
p[i] = p[i] != before? p[i]: after;
return string_view
{
data(s), size(s)
};
}
inline std::string
ircd::replace(const string_view &s,
const string_view &before,

57
ircd/stringops.cc
View file

@ -157,3 +157,60 @@ ircd::replace(const string_view &s,
return std::distance(begin(buf), p);
});
}
ircd::string_view
ircd::replace(const mutable_buffer &out,
const string_view &in,
const char &before,
const char &after)
noexcept
{
const size_t cpsz
{
std::min(size(in), size(out))
};
// Branch for in-place copy if in and out are the same. Note that
// if this branch is not taken they cannot overlap in any way.
if(data(in) == data(out))
return replace(mutable_buffer(data(out), cpsz), before, after);
assert(!overlap(out, in));
char *const __restrict__ outp
{
begin(out)
};
const char *const __restrict__ inp
{
begin(in)
};
for(size_t i(0); i < cpsz; ++i)
outp[i] = inp[i] != before? inp[i]: after;
return string_view
{
begin(out), cpsz
};
}
ircd::string_view
ircd::replace(const mutable_buffer &s,
const char &before,
const char &after)
noexcept
{
char *const __restrict__ p
{
begin(s)
};
for(size_t i(0); i < size(s); ++i)
p[i] = p[i] != before? p[i]: after;
return string_view
{
data(s), size(s)
};
}