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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-02-15 Meco Man first version
*/
#include <rtthread.h>
#include <posix/stdlib.h>
#define DBG_TAG "stdlib"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
/**
* @brief This function is called when a thread exits. It can detach the thread and perform cleanup.
*
* @param status is the exit status of the thread.
*/
void __rt_libc_exit(int status)
{
rt_thread_t self = rt_thread_self();
if (self != RT_NULL)
{
LOG_W("thread:%s exit:%d!", self->parent.name, status);
#ifdef RT_USING_PTHREADS
if (self->pthread_data != RT_NULL)
{
extern void pthread_exit(void *value);
pthread_exit((void *)status);
}
else
#endif
{
rt_thread_control(self, RT_THREAD_CTRL_CLOSE, RT_NULL);
}
}
}
#ifdef RT_USING_MSH
/**
* @brief Execute a command using the Micro-Shell (MSH) subsystem.
*
* @param command is the command string to execute.
*
* @return Returns 0 after executing the command.
*/
int system(const char *command)
{
extern int msh_exec(char *cmd, rt_size_t length);
if (command)
{
msh_exec((char *)command, rt_strlen(command));
}
return 0;
}
RTM_EXPORT(system);
#endif /* RT_USING_MSH */
/**
* @brief Convert a long integer to a string representation with a specified radix.
*
* @param value is the long integer to convert.
* @param string is the destination string where the result will be stored.
* @param radix is the base of the number system to be used for conversion.
*
* @return Returns a pointer to the destination string.
*/
char *ltoa(long value, char *string, int radix)
{
char tmp[33];
char *tp = tmp;
long i;
unsigned long v;
int sign;
char *sp;
if (string == NULL)
{
return 0;
}
if (radix > 36 || radix <= 1)
{
return 0;
}
sign = (radix == 10 && value < 0);
if (sign)
{
v = -value;
}
else
{
v = (unsigned long)value;
}
while (v || tp == tmp)
{
i = v % radix;
v = v / radix;
if (i < 10)
*tp++ = (char)(i + '0');
else
*tp++ = (char)(i + 'a' - 10);
}
sp = string;
if (sign)
*sp++ = '-';
while (tp > tmp)
*sp++ = *--tp;
*sp = 0;
return string;
}
/**
* @brief Convert an integer to a string representation with a specified radix.
*
* @param value is the integer to convert.
* @param string is the destination string where the result will be stored.
* @param radix is the base of the number system to be used for conversion.
*
* @return Returns a pointer to the destination string.
*/
char *itoa(int value, char *string, int radix)
{
return ltoa(value, string, radix);
}
/**
* @brief Convert an unsigned long integer to a string representation with a specified radix.
*
* @param value is the unsigned long integer to convert.
* @param string is the destination string where the result will be stored.
* @param radix is the base of the number system to be used for conversion.
*
* @return Returns a pointer to the destination string.
*/
char *ultoa(unsigned long value, char *string, int radix)
{
char tmp[33];
char *tp = tmp;
long i;
unsigned long v = value;
char *sp;
if (string == NULL)
{
return 0;
}
if (radix > 36 || radix <= 1)
{
return 0;
}
while (v || tp == tmp)
{
i = v % radix;
v = v / radix;
if (i < 10)
*tp++ = (char)(i + '0');
else
*tp++ = (char)(i + 'a' - 10);
}
sp = string;
while (tp > tmp)
*sp++ = *--tp;
*sp = 0;
return string;
}
/**
* @brief Convert an unsigned integer to a string representation with a specified radix.
*
* @param value is the unsigned integer to convert.
* @param string is the destination string where the result will be stored.
* @param radix is the base of the number system to be used for conversion.
*
* @return Returns a pointer to the destination string.
*/
char *utoa(unsigned value, char *string, int radix)
{
return ultoa(value, string, radix);
}
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