source: trunk/libs/newlib/src/libgloss/m68k/io-open.c @ 555

Last change on this file since 555 was 444, checked in by satin@…, 7 years ago

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

File size: 1.5 KB
RevLine 
[444]1/*
2 * io-open.c --
3 *
4 * Copyright (c) 2006 CodeSourcery Inc
5 *
6 * The authors hereby grant permission to use, copy, modify, distribute,
7 * and license this software and its documentation for any purpose, provided
8 * that existing copyright notices are retained in all copies and that this
9 * notice is included verbatim in any distributions. No written agreement,
10 * license, or royalty fee is required for any of the authorized uses.
11 * Modifications to this software may be copyrighted by their authors
12 * and need not follow the licensing terms described here, provided that
13 * the new terms are clearly indicated on the first page of each file where
14 * they apply.
15 */
16
17#include <sys/types.h>
18#include <sys/stat.h>
19#include <fcntl.h>
20#include <stdarg.h>
21#include <string.h>
22#include <errno.h>
23#define IO open
24#include "io.h"
25
26/*
27 * open -- Open a file.
28 * input parameters:
29 *   0 : fname ptr
30 *   1 : fname length
31 *   2 : flags
32 *   3 : mode
33 * output parameters:
34 *   0 : result
35 *   1 : errno
36 */
37
38int open (const char *fname, int flags, ...)
39{
40#if HOSTED
41  gdb_parambuf_t parameters;
42  parameters[0] = (uint32_t) fname;
43  parameters[1] = strlen (fname) + 1;
44  parameters[2] = __hosted_to_gdb_open_flags (flags);
45  if (flags & O_CREAT)
46    {
47      va_list ap;
48      va_start (ap, flags);
49      parameters[3] = __hosted_to_gdb_mode_t (va_arg (ap, mode_t));
50      va_end (ap);
51    }
52  else
53    parameters[3] = 0;
54  __hosted (HOSTED_OPEN, parameters);
55  errno = __hosted_from_gdb_errno (parameters[1]);
56  return parameters[0];
57#else
58  errno = ENOSYS;
59  return -1;
60#endif
61}
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