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/*
*
* Copyright 2015 gRPC authors.
*
* 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.
*
*/
#include <grpc/support/port_platform.h>
#ifdef GPR_WINDOWS_LOG
#include <stdarg.h>
#include <stdio.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/log_windows.h>
#include <grpc/support/string_util.h>
#include <grpc/support/time.h>
#include "src/core/lib/support/string.h"
#include "src/core/lib/support/string_windows.h"
void gpr_log(const char* file, int line, gpr_log_severity severity,
const char* format, ...) {
char* message = NULL;
va_list args;
int ret;
/* Determine the length. */
va_start(args, format);
ret = _vscprintf(format, args);
va_end(args);
if (ret < 0) {
message = NULL;
} else {
/* Allocate a new buffer, with space for the NUL terminator. */
size_t strp_buflen = (size_t)ret + 1;
message = (char*)gpr_malloc(strp_buflen);
/* Print to the buffer. */
va_start(args, format);
ret = vsnprintf_s(message, strp_buflen, _TRUNCATE, format, args);
va_end(args);
if ((size_t)ret != strp_buflen - 1) {
/* This should never happen. */
gpr_free(message);
message = NULL;
}
}
gpr_log_message(file, line, severity, message);
gpr_free(message);
}
/* Simple starter implementation */
extern "C" void gpr_default_log(gpr_log_func_args* args) {
const char* final_slash;
const char* display_file;
char time_buffer[64];
time_t timer;
gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
struct tm tm;
timer = (time_t)now.tv_sec;
final_slash = strrchr(args->file, '\\');
if (final_slash == NULL)
display_file = args->file;
else
display_file = final_slash + 1;
if (localtime_s(&tm, &timer)) {
strcpy(time_buffer, "error:localtime");
} else if (0 ==
strftime(time_buffer, sizeof(time_buffer), "%m%d %H:%M:%S", &tm)) {
strcpy(time_buffer, "error:strftime");
}
fprintf(stderr, "%s%s.%09u %5lu %s:%d] %s\n",
gpr_log_severity_string(args->severity), time_buffer,
(int)(now.tv_nsec), GetCurrentThreadId(), display_file, args->line,
args->message);
fflush(stderr);
}
#endif /* GPR_WINDOWS_LOG */
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