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rt-thread-official
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add more stubs. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@674 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-04-27 07:53:41 +00:00
parent 61e66e376b
commit c2b29a3e31
1 changed files with 65 additions and 21 deletions
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86
components/libc/newlib/syscalls.c
View File

@ -1,22 +1,45 @@
#include <reent.h>
#include <sys/errno.h>
#include <rtthread.h>
int _fork_r (struct _reent *r)
int
_fork_r (struct _reent *r)
{
/* return "not supported" */
r->_errno = ENOTSUP;
return -1;
}
/*
* I/O routine stub
*/
int
_isatty_r(struct _reent *r, int fd)
{
_ssize_t rc;
rc = -1;
/* return "not supported" */
r->_errno = ENOTSUP;
return rc;
}
int
_open_r(struct _reent *r, const char *file, int flags, int mode)
{
int rc;
rc = open(file, flags, mode);
return rc;
}
_ssize_t
_read_r (struct _reent *r, int fd, void *buf, size_t nbytes)
{
_ssize_t rc;
rc = -1;
/* return "not supported" */
r->_errno = ENOTSUP;
rc = read(fd, buf, nbytes);
return rc;
}
@ -25,33 +48,54 @@ _write_r (struct _reent *r, int fd, const void *buf, size_t nbytes)
{
_ssize_t rc;
rc = -1;
/* return "not supported" */
r->_errno = ENOTSUP;
rc = write(fd, buf, nbytes);
return rc;
}
int
_close_r (struct _reent *r, int fd)
{
_ssize_t rc;
rc = -1;
/* return "not supported" */
r->_errno = ENOTSUP;
return rc;
return close(fd);
}
_off_t
_lseek_r (struct _reent *r, int fd, _off_t offset, int whence)
{
_ssize_t rc;
_off_t rc;
rc = -1;
/* return "not supported" */
r->_errno = ENOTSUP;
rc = lseek(fd, offset, whence);
return rc;
}
int _fstat_r (struct _reent *r, int fd, struct stat *pstat)
{
/* return "not supported" */
r->_errno = ENOTSUP;
return -1;
}
/*
* memory routine stub
*/
void *
_malloc_r (struct _reent *ptr, size_t size)
{
return (void*)rt_malloc (size);
}
void *
_realloc_r (struct _reent *ptr, void *old, size_t newlen)
{
return (void*)rt_realloc (old, newlen);
}
void *_calloc_r (struct _reent *ptr, size_t size, size_t len)
{
return (void*)rt_calloc (size, len);
}
void
_free_r (struct _reent *ptr, void *addr)
{
rt_free (addr);
}