rt-thread/components/libc/compilers/common/cstdlib.c

145 lines
2.3 KiB
C

/*
* 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>
#define DBG_TAG "stdlib"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
void __rt_libc_exit(int status)
{
rt_thread_t self = rt_thread_self();
if (self != RT_NULL)
{
#ifdef RT_USING_PTHREADS
extern void pthread_exit(void *value);
pthread_exit((void *)status);
#else
LOG_E("thread:%s exit:%d!", self->name, status);
rt_thread_control(self, RT_THREAD_CTRL_CLOSE, RT_NULL);
#endif
}
}
#ifdef RT_USING_MSH
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 */
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++ = i+'0';
else
*tp++ = i + 'a' - 10;
}
sp = string;
if (sign)
*sp++ = '-';
while (tp > tmp)
*sp++ = *--tp;
*sp = 0;
return string;
}
char *itoa(int value, char *string, int radix)
{
return ltoa(value, string, radix) ;
}
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++ = i+'0';
else
*tp++ = i + 'a' - 10;
}
sp = string;
while (tp > tmp)
*sp++ = *--tp;
*sp = 0;
return string;
}
char *utoa(unsigned value, char *string, int radix)
{
return ultoa(value, string, radix) ;
}