* Copyright (c) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef DFX_ENABLE_TRACE
#include "dfx_trace.h"
#include <cstdio>
#include <cstdarg>
#include <securec.h>
void DfxStartTrace(const char *fmt, ...)
{
if (fmt == nullptr) {
return;
}
va_list args;
va_start(args, fmt);
char traceName[TRACE_BUF_LEN] = {0};
int ret = vsnprintf_s(traceName, sizeof(traceName), sizeof(traceName) - 1, fmt, args);
va_end(args);
if (ret == -1) {
strcpy_s(traceName, TRACE_BUF_LEN, "DefaultTraceName");
}
StartTrace(HITRACE_TAG_APP, std::string(traceName));
}
void FormatTraceName(char *name, size_t size, const char *fmt, ...)
{
if (size < 1 || name == nullptr || fmt == nullptr) {
return;
}
va_list args;
va_start(args, fmt);
int ret = vsnprintf_s(name, size, size - 1, fmt, args);
va_end(args);
std::string traceName = "DefaultTraceName";
if (ret == -1 && size > traceName.length()) {
ret = strcpy_s(name, size, traceName.c_str());
if (ret != 0) {
return;
}
}
}
#endif