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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* CMetrics
* ========
* Copyright 2021-2022 The CMetrics 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 <cmetrics/cmetrics.h>
#include <cmetrics/cmt_log.h>
#include <cmetrics/cmt_compat.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#ifdef _WIN32
#define strerror_r(errnum, buf, buf_size) strerror_s(buf, buf_size, errnum)
#endif
void cmt_log_print(void *ctx, int level, const char *file, int line,
const char *fmt, ...)
{
int ret;
char buf[CMT_LOG_BUF_SIZE];
va_list args;
struct cmt *cmt = ctx;
if (!cmt->log_cb) {
return;
}
if (level > cmt->log_level) {
return;
}
va_start(args, fmt);
ret = vsnprintf(buf, CMT_LOG_BUF_SIZE - 1, fmt, args);
if (ret >= 0) {
buf[ret] = '\0';
}
va_end(args);
cmt->log_cb(ctx, level, file, line, buf);
}
int cmt_errno_print(int errnum, const char *file, int line)
{
char buf[256];
strerror_r(errnum, buf, sizeof(buf) - 1);
fprintf(stderr, "[%s:%i errno=%i] %s\n",
file, line, errnum, buf);
return 0;
}
#ifdef _WIN32
void cmt_winapi_error_print(const char *func, int line)
{
int error = GetLastError();
char buf[256];
int success;
success = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
error,
LANG_SYSTEM_DEFAULT,
buf,
sizeof(buf),
NULL);
if (success) {
fprintf(stderr, "[%s() line=%i error=%i] %s\n", func, line, error, buf);
}
else {
fprintf(stderr, "[%s() line=%i error=%i] Win32 API failed\n", func, line, error);
}
}
#endif
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