mirror of
https://github.com/espressif/ESP8266_RTOS_SDK.git
synced 2025-09-19 08:27:14 +08:00
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE 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.
|
|
|
|
#include <reent.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
/*
|
|
* @brief Initialize global and thread's private reent object data. We add this instead of
|
|
* newlib's initialization function to avoid some unnecessary cost and unused function.
|
|
*/
|
|
void esp_reent_init(struct _reent* r)
|
|
{
|
|
extern void _cleanup(struct _reent *r);
|
|
|
|
memset(r, 0, sizeof(*r));
|
|
|
|
r->_stdout = _GLOBAL_REENT->_stdout;
|
|
r->_stderr = _GLOBAL_REENT->_stderr;
|
|
r->_stdin = _GLOBAL_REENT->_stdin;
|
|
|
|
r->__cleanup = _cleanup;
|
|
r->__sglue._next = NULL;
|
|
r->__sglue._niobs = 0;
|
|
r->__sglue._iobs = NULL;
|
|
r->_current_locale = "C";
|
|
r->__sdidinit = 1;
|
|
}
|
|
|
|
/*
|
|
* @brief Initialize newlib's platform object data
|
|
*/
|
|
int esp_newlib_init(void)
|
|
{
|
|
esp_reent_init(_global_impure_ptr);
|
|
|
|
_GLOBAL_REENT->_stdout = fopen("uart/0", "w");
|
|
if (!_GLOBAL_REENT->_stdout)
|
|
goto err;
|
|
|
|
_GLOBAL_REENT->_stderr = fopen("uart/0", "w");
|
|
if (!_GLOBAL_REENT->_stderr)
|
|
goto err_fail;
|
|
|
|
_GLOBAL_REENT->_stdin = fopen("uart/0", "r");
|
|
if (!_GLOBAL_REENT->_stdin)
|
|
goto err_in;
|
|
|
|
environ = malloc(sizeof(char*));
|
|
if (!environ)
|
|
goto environ_in;
|
|
environ[0] = NULL;
|
|
|
|
return 0;
|
|
|
|
environ_in:
|
|
fclose(_GLOBAL_REENT->_stdin);
|
|
err_in:
|
|
fclose(_GLOBAL_REENT->_stderr);
|
|
err_fail:
|
|
fclose(_GLOBAL_REENT->_stdout);
|
|
err:
|
|
return -1;
|
|
}
|