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Atmosphere/libraries/libstratosphere/source/diag/diag_log.cpp

77 lines
2.5 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "diag_log_impl.hpp"
namespace ams::diag::impl {
void CallAllLogObserver(const LogMetaData &meta, const LogBody &body);
namespace {
struct CallPrintDebugString {
void operator()(const LogMetaData &meta, const char *msg, size_t size, bool head, bool tail) {
const LogBody body = {
.message = msg,
.message_size = size,
.is_head = head,
.is_tail = tail
};
CallAllLogObserver(meta, body);
}
};
}
void LogImpl(const LogMetaData &meta, const char *fmt, ...) {
std::va_list vl;
va_start(vl, fmt);
VLogImpl(meta, fmt, vl);
va_end(vl);
}
void VLogImpl(const LogMetaData &meta, const char *fmt, std::va_list vl) {
#if defined(ATMOSPHERE_OS_HORIZON)
/* Print to stack buffer. */
char msg_buffer[DebugPrintBufferLength];
/* TODO: VFormatString using utf-8 printer. */
const size_t len = util::VSNPrintf(msg_buffer, sizeof(msg_buffer), fmt, vl);
#else
/* Print to allocated buffer. */
std::va_list cvl;
va_copy(cvl, vl);
const auto out_len = util::TVSNPrintf(nullptr, 0, fmt, cvl) + 1;
va_end(cvl);
char *msg_buffer = static_cast<char *>(std::malloc(out_len));
AMS_ABORT_UNLESS(msg_buffer != nullptr);
ON_SCOPE_EXIT { std::free(msg_buffer); };
/* TODO: VFormatString using utf-8 printer. */
const size_t len = util::TVSNPrintf(msg_buffer, out_len, fmt, vl);
#endif
/* Call log observer. */
CallPrintDebugString()(meta, msg_buffer, len, true, true);
}
void PutImpl(const LogMetaData &meta, const char *msg, size_t msg_size) {
CallPrintDebugString()(meta, msg, msg_size, true, true);
}
}