Files
mpp/osal/mpp_log.cpp
ChenHengming 93cd85ea23 [misc]: remove warning
git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@197 6e48237b-75ef-9749-8fc9-41990f28c85a
2008-01-25 22:27:40 +00:00

120 lines
2.9 KiB
C++

/*
* Copyright 2010 Rockchip Electronics S.LSI 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.
*/
#define MODULE_TAG "mpp_log"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "mpp_log.h"
#include "mpp_mem.h"
#include "mpp_common.h"
#include "os_log.h"
#define MPP_LOG_MAX_LEN 256
typedef void (*mpp_log_callback)(const char*, const char*, va_list);
#ifdef __cplusplus
extern "C" {
#endif
static RK_U32 mpp_log_flag = 0;
// TODO: add log timing information and switch flag
static const char *msg_log_warning = "log message is long\n";
static const char *msg_log_nothing = "\n";
void __mpp_log(mpp_log_callback func, const char *tag, const char *fmt, const char *fname, va_list args)
{
char msg[MPP_LOG_MAX_LEN + 1];
char *tmp = msg;
const char *buf = fmt;
size_t len_fmt = strnlen(fmt, MPP_LOG_MAX_LEN);
size_t len_name = (fname) ? (strnlen(fname, MPP_LOG_MAX_LEN)) : (0);
size_t buf_left = MPP_LOG_MAX_LEN;
size_t len_all = len_fmt + len_name;
if (NULL == tag)
tag = MODULE_TAG;
if (len_name) {
buf = msg;
buf_left -= snprintf(msg, buf_left, "%s ", fname);
tmp += len_name + 1;
}
if (len_all == 0) {
buf = msg_log_nothing;
} else if (len_all >= MPP_LOG_MAX_LEN) {
buf_left -= snprintf(tmp, buf_left, "%s", msg_log_warning);
buf = msg;
} else {
snprintf(tmp, buf_left, "%s", fmt);
if (fmt[len_fmt - 1] != '\n') {
tmp[len_fmt] = '\n';
tmp[len_fmt + 1] = '\0';
}
buf = msg;
}
func(tag, buf, args);
}
void _mpp_log(const char *tag, const char *fmt, const char *fname, ...)
{
va_list args;
va_start(args, fname);
__mpp_log(os_log, tag, fmt, fname, args);
va_end(args);
}
void __mpp_dbg(RK_U32 debug, RK_U32 flag, const char *tag, const char *fmt, const char *fname, ...)
{
if (debug & flag) {
va_list args;
va_start(args, fname);
__mpp_log(os_log, tag, fmt, fname, args);
va_end(args);
}
}
void _mpp_err(const char *tag, const char *fmt, const char *fname, ...)
{
va_list args;
va_start(args, fname);
__mpp_log(os_err, tag, fmt, fname, args);
va_end(args);
}
void mpp_log_set_flag(RK_U32 flag)
{
mpp_log_flag = flag;
return ;
}
RK_U32 mpp_log_get_flag()
{
return mpp_log_flag;
}
#ifdef __cplusplus
}
#endif