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ircd: Minor cleanup.

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This commit is contained in:
Jason Volk 2018-09-20 16:30:04 -07:00
parent 9fb0daa69b
commit db9d1dcb99
1 changed files with 54 additions and 46 deletions
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100
ircd/lexical.cc
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@ -18,6 +18,60 @@
#include <boost/lexical_cast.hpp>
//
// misc util
//
std::string
ircd::u2a(const const_buffer &in)
{
return string(size(in) * 2, [&in]
(const mutable_buffer &out)
{
return u2a(out, in);
});
}
ircd::string_view
ircd::u2a(const mutable_buffer &out,
const const_buffer &in)
{
char *p(data(out));
for(size_t i(0); i < size(in) && p + 2 <= end(out); ++i)
{
char tmp[3];
::snprintf(tmp, sizeof(tmp), "%02x", in[i]);
*p++ = tmp[0];
*p++ = tmp[1];
}
return { data(out), p };
}
ircd::const_buffer
ircd::a2u(const mutable_buffer &out,
const const_buffer &in)
{
const size_t len{size(in) / 2};
for(size_t i(0); i < len; ++i)
{
const char gl[3]
{
in[i * 2],
in[i * 2 + 1],
'\0'
};
out[i] = strtol(gl, nullptr, 16);
}
return { data(out), len };
}
//
// lex_cast
//
namespace ircd
{
/// The static lex_cast ring buffers are each LEX_CAST_BUFSIZE bytes;
@ -444,49 +498,3 @@ ircd::replace(const string_view &s,
return std::distance(begin(buf), p);
});
}
std::string
ircd::u2a(const const_buffer &in)
{
return string(size(in) * 2, [&in]
(const mutable_buffer &out)
{
return u2a(out, in);
});
}
ircd::string_view
ircd::u2a(const mutable_buffer &out,
const const_buffer &in)
{
char *p(data(out));
for(size_t i(0); i < size(in) && p + 2 <= end(out); ++i)
{
char tmp[3];
::snprintf(tmp, sizeof(tmp), "%02x", in[i]);
*p++ = tmp[0];
*p++ = tmp[1];
}
return { data(out), p };
}
ircd::const_buffer
ircd::a2u(const mutable_buffer &out,
const const_buffer &in)
{
const size_t len{size(in) / 2};
for(size_t i(0); i < len; ++i)
{
const char gl[3]
{
in[i * 2],
in[i * 2 + 1],
'\0'
};
out[i] = strtol(gl, nullptr, 16);
}
return { data(out), len };
}