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[libc][posix/io/stdio] rename libc.c as posix/stdio.c

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This commit is contained in:
Meco Man
2023-08-07 13:46:34 -04:00
parent d862816a51
commit b08d8672d2
12 changed files with 133 additions and 183 deletions
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87
components/libc/compilers/common/cstdio.c
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@@ -1,87 +0,0 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2014-05-22 ivanrad implement getline
*/
#include "posix/stdio.h"
#include <stdlib.h>
#include <limits.h>
#include <sys/errno.h>
#ifdef DFS_USING_POSIX
ssize_t getdelim(char **lineptr, size_t *n, int delim, FILE *stream)
{
char *cur_pos, *new_lineptr;
size_t new_lineptr_len;
int c;
if (lineptr == NULL || n == NULL || stream == NULL)
{
errno = EINVAL;
return -1;
}
if (*lineptr == NULL)
{
*n = 128; /* init len */
if ((*lineptr = (char *)malloc(*n)) == NULL)
{
errno = ENOMEM;
return -1;
}
}
cur_pos = *lineptr;
for (;;)
{
c = getc(stream);
if (ferror(stream) || (c == EOF && cur_pos == *lineptr))
return -1;
if (c == EOF)
break;
if ((*lineptr + *n - cur_pos) < 2)
{
if (LONG_MAX / 2 < *n)
{
#ifdef EOVERFLOW
errno = EOVERFLOW;
#else
errno = ERANGE; /* no EOVERFLOW defined */
#endif
return -1;
}
new_lineptr_len = *n * 2;
if ((new_lineptr = (char *)realloc(*lineptr, new_lineptr_len)) == NULL)
{
errno = ENOMEM;
return -1;
}
cur_pos = new_lineptr + (cur_pos - *lineptr);
*lineptr = new_lineptr;
*n = new_lineptr_len;
}
*cur_pos++ = (char)c;
if (c == delim)
break;
}
*cur_pos = '\0';
return (ssize_t)(cur_pos - *lineptr);
}
ssize_t getline(char **lineptr, size_t *n, FILE *stream)
{
return getdelim(lineptr, n, '\n', stream);
}
#endif /* DFS_USING_POSIX */

34
components/libc/compilers/common/cunistd.c Normal file
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@@ -0,0 +1,34 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-08-16 Meco Man first version
*/
#include <rtthread.h>
#include <unistd.h>
#include <sys/errno.h>
int isatty(int fd)
{
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
if(fd == STDOUT_FILENO || fd == STDERR_FILENO)
{
return 1;
}
#endif /* defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE) */
#ifdef RT_USING_POSIX_STDIO
if(fd == STDIN_FILENO)
{
return 1;
}
#endif /* RT_USING_POSIX_STDIO */
rt_set_errno(ENOTTY);
return 0;
}
RTM_EXPORT(isatty);

30
components/libc/compilers/common/include/posix/stdio.h
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@@ -1,30 +0,0 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-06-07 Meco Man first version
*/
#ifndef __POSIX_STDIO_H__
#define __POSIX_STDIO_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
#include <sys/types.h>
#ifdef DFS_USING_POSIX
ssize_t getdelim(char **lineptr, size_t *n, int delim, FILE *stream);
ssize_t getline(char **lineptr, size_t *n, FILE *stream);
#endif /* DFS_USING_POSIX */
#ifdef __cplusplus
}
#endif
#endif /* __POSIX_STDIO_H__ */