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[posix][libc] 优化libc中posix结构

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This commit is contained in:
Meco Man
2021-10-26 00:51:32 -04:00
parent 50bb6e33d1
commit a9910a780e
36 changed files with 361 additions and 704 deletions
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30
components/libc/compilers/dlib/syscall_write.c
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@@ -9,10 +9,8 @@
*/
#include <rtthread.h>
#ifdef RT_USING_DFS
#include <dfs_posix.h>
#endif
#include <yfuns.h>
#include <unistd.h>
#include "libc.h"
#define DBG_TAG "dlib.syscall_write"
@@ -23,24 +21,20 @@
size_t __write(int handle, const unsigned char *buf, size_t len)
{
#ifdef RT_USING_DFS
#ifdef RT_LIBC_USING_FILEIO
int size;
#endif
#endif /* RT_LIBC_USING_FILEIO */
if ((handle == _LLIO_STDOUT) || (handle == _LLIO_STDERR))
{
#ifndef RT_USING_CONSOLE
return _LLIO_ERROR;
#else
#ifdef RT_USING_POSIX
#ifdef RT_LIBC_USING_FILEIO
if (libc_stdio_get_console() < 0)
{
LOG_W("Do not invoke standard output before initializing libc");
return 0;
}
return write(STDOUT_FILENO, (void*)buf, len);
#else
#elif defined(RT_USING_CONSOLE)
rt_device_t console_device;
console_device = rt_console_get_device();
@@ -50,19 +44,19 @@ size_t __write(int handle, const unsigned char *buf, size_t len)
}
return len;
#endif
#endif
#else
return _LLIO_ERROR;
#endif /* RT_LIBC_USING_FILEIO */
}
else if (handle == _LLIO_STDIN)
{
return _LLIO_ERROR;
}
#ifndef RT_USING_DFS
return _LLIO_ERROR;
#else
#ifdef RT_LIBC_USING_FILEIO
size = write(handle, buf, len);
return size;
#endif
#else
return _LLIO_ERROR;
#endif /* RT_LIBC_USING_FILEIO */
}