source: trunk/libs/newlib/src/libgloss/crx/open.c @ 444

Last change on this file since 444 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.3 KB
Line 
1/* open.c -- Implementation of the low-level open() routine
2 *
3 * Copyright (c) 2004 National Semiconductor Corporation
4 *
5 * The authors hereby grant permission to use, copy, modify, distribute,
6 * and license this software and its documentation for any purpose, provided
7 * that existing copyright notices are retained in all copies and that this
8 * notice is included verbatim in any distributions. No written agreement,
9 * license, or royalty fee is required for any of the authorized uses.
10 * Modifications to this software may be copyrighted by their authors
11 * and need not follow the licensing terms described here, provided that
12 * the new terms are clearly indicated on the first page of each file where
13 * they apply.
14 */
15
16#include <sys/syscall.h>
17#include <stdarg.h>
18
19int open_aux (char *, int, int);
20
21/* The prototype in <fcntl.h> for open() uses ..., meaning function
22 * parameters reside on stack, but the debugger expects the parameters
23 * to reside in registers, thus we call an auxiliary function with
24 * bounded number of parameters.
25 */
26int open (char *path, int flags, ...)
27{
28  int mode;
29  va_list ap;
30 
31  va_start(ap, flags);
32  mode = va_arg(ap, int);
33  open_aux (path, flags, mode);
34  va_end(ap);
35}
36
37int open_aux (char *path, int flags, int mode)
38{
39  HOST_SERVICE (SVC_OPEN);
40}
41
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