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[libc][syscall]整理函数格式

This commit is contained in:
Meco Man 2021-06-21 21:15:22 +08:00
parent 6f1a505cd2
commit fa3d95bb1c
1 changed files with 24 additions and 48 deletions
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72
components/libc/compilers/newlib/syscalls.c
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@ -29,21 +29,18 @@
/* Reentrant versions of system calls. */
#ifndef _REENT_ONLY
int *
__errno ()
int *__errno ()
{
return _rt_errno();
}
#endif
int
_getpid_r(struct _reent *ptr)
int _getpid_r(struct _reent *ptr)
{
return 0;
}
int
_close_r(struct _reent *ptr, int fd)
int _close_r(struct _reent *ptr, int fd)
{
#ifndef RT_USING_DFS
/* return "not supported" */
@ -54,40 +51,35 @@ _close_r(struct _reent *ptr, int fd)
#endif
}
int
_execve_r(struct _reent *ptr, const char * name, char *const *argv, char *const *env)
int _execve_r(struct _reent *ptr, const char * name, char *const *argv, char *const *env)
{
/* return "not supported" */
ptr->_errno = ENOTSUP;
return -1;
}
int
_fcntl_r(struct _reent *ptr, int fd, int cmd, int arg)
int _fcntl_r(struct _reent *ptr, int fd, int cmd, int arg)
{
/* return "not supported" */
ptr->_errno = ENOTSUP;
return -1;
}
int
_fork_r(struct _reent *ptr)
int _fork_r(struct _reent *ptr)
{
/* return "not supported" */
ptr->_errno = ENOTSUP;
return -1;
}
int
_fstat_r(struct _reent *ptr, int fd, struct stat *pstat)
int _fstat_r(struct _reent *ptr, int fd, struct stat *pstat)
{
/* return "not supported" */
ptr->_errno = ENOTSUP;
return -1;
}
int
_isatty_r(struct _reent *ptr, int fd)
int _isatty_r(struct _reent *ptr, int fd)
{
if (fd >=0 && fd < 3)
{
@ -99,24 +91,21 @@ _isatty_r(struct _reent *ptr, int fd)
}
}
int
_kill_r(struct _reent *ptr, int pid, int sig)
int _kill_r(struct _reent *ptr, int pid, int sig)
{
/* return "not supported" */
ptr->_errno = ENOTSUP;
return -1;
}
int
_link_r(struct _reent *ptr, const char *old, const char *new)
int _link_r(struct _reent *ptr, const char *old, const char *new)
{
/* return "not supported" */
ptr->_errno = ENOTSUP;
return -1;
}
_off_t
_lseek_r(struct _reent *ptr, int fd, _off_t pos, int whence)
_off_t _lseek_r(struct _reent *ptr, int fd, _off_t pos, int whence)
{
#ifndef RT_USING_DFS
/* return "not supported" */
@ -130,8 +119,7 @@ _lseek_r(struct _reent *ptr, int fd, _off_t pos, int whence)
#endif
}
int
_mkdir_r(struct _reent *ptr, const char *name, int mode)
int _mkdir_r(struct _reent *ptr, const char *name, int mode)
{
#ifndef RT_USING_DFS
/* return "not supported" */
@ -145,8 +133,7 @@ _mkdir_r(struct _reent *ptr, const char *name, int mode)
#endif
}
int
_open_r(struct _reent *ptr, const char *file, int flags, int mode)
int _open_r(struct _reent *ptr, const char *file, int flags, int mode)
{
#ifndef RT_USING_DFS
/* return "not supported" */
@ -160,8 +147,7 @@ _open_r(struct _reent *ptr, const char *file, int flags, int mode)
#endif
}
_ssize_t
_read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)
_ssize_t _read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)
{
#ifndef RT_USING_DFS
/* return "not supported" */
@ -175,8 +161,7 @@ _read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)
#endif
}
int
_rename_r(struct _reent *ptr, const char *old, const char *new)
int _rename_r(struct _reent *ptr, const char *old, const char *new)
{
#ifndef RT_USING_DFS
/* return "not supported" */
@ -190,8 +175,7 @@ _rename_r(struct _reent *ptr, const char *old, const char *new)
#endif
}
int
_stat_r(struct _reent *ptr, const char *file, struct stat *pstat)
int _stat_r(struct _reent *ptr, const char *file, struct stat *pstat)
{
#ifndef RT_USING_DFS
/* return "not supported" */
@ -205,8 +189,7 @@ _stat_r(struct _reent *ptr, const char *file, struct stat *pstat)
#endif
}
int
_unlink_r(struct _reent *ptr, const char *file)
int _unlink_r(struct _reent *ptr, const char *file)
{
#ifndef RT_USING_DFS
/* return "not supported" */
@ -217,16 +200,14 @@ _unlink_r(struct _reent *ptr, const char *file)
#endif
}
int
_wait_r(struct _reent *ptr, int *status)
int _wait_r(struct _reent *ptr, int *status)
{
/* return "not supported" */
ptr->_errno = ENOTSUP;
return -1;
}
_ssize_t
_write_r(struct _reent *ptr, int fd, const void *buf, size_t nbytes)
_ssize_t _write_r(struct _reent *ptr, int fd, const void *buf, size_t nbytes)
{
#ifndef RT_USING_DFS
#ifdef RT_USING_DEVICE
@ -253,8 +234,7 @@ _write_r(struct _reent *ptr, int fd, const void *buf, size_t nbytes)
}
#ifdef RT_USING_HEAP /* Memory routine */
void *
_malloc_r (struct _reent *ptr, size_t size)
void *_malloc_r (struct _reent *ptr, size_t size)
{
void* result;
@ -267,8 +247,7 @@ _malloc_r (struct _reent *ptr, size_t size)
return result;
}
void *
_realloc_r (struct _reent *ptr, void *old, size_t newlen)
void *_realloc_r (struct _reent *ptr, void *old, size_t newlen)
{
void* result;
@ -294,8 +273,7 @@ void *_calloc_r (struct _reent *ptr, size_t size, size_t len)
return result;
}
void
_free_r (struct _reent *ptr, void *addr)
void _free_r (struct _reent *ptr, void *addr)
{
rt_free (addr);
}
@ -309,16 +287,14 @@ _sbrk_r(struct _reent *ptr, ptrdiff_t incr)
#endif /*RT_USING_HEAP*/
/* for exit() and abort() */
__attribute__ ((noreturn)) void
_exit (int status)
__attribute__ ((noreturn)) void _exit (int status)
{
extern void __rt_libc_exit(int status);
__rt_libc_exit(status);
while(1);
}
void
_system(const char *s)
void _system(const char *s)
{
extern int __rt_libc_system(const char *string);
__rt_libc_system(s);