aboutsummaryrefslogtreecommitdiff
path: root/gdbsupport/errors.cc
blob: 566be377e3fecf1ce3959b7b4b466fb4ec6d93e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
/* Error reporting facilities.

   Copyright (C) 1986-2023 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include "common-defs.h"
#include "errors.h"
#if defined (USE_WIN32API) || defined(__CYGWIN__)
#include <windows.h>
#endif /* USE_WIN32API */

/* See gdbsupport/errors.h.  */

void
warning (const char *fmt, ...)
{
  va_list ap;

  va_start (ap, fmt);
  vwarning (fmt, ap);
  va_end (ap);
}

/* See gdbsupport/errors.h.  */

void
error (const char *fmt, ...)
{
  va_list ap;

  va_start (ap, fmt);
  verror (fmt, ap);
  va_end (ap);
}

/* See gdbsupport/errors.h.  */

void
internal_error_loc (const char *file, int line, const char *fmt, ...)
{
  va_list ap;

  va_start (ap, fmt);
  internal_verror (file, line, fmt, ap);
  va_end (ap);
}

/* See gdbsupport/errors.h.  */

void
internal_warning_loc (const char *file, int line, const char *fmt, ...)
{
  va_list ap;

  va_start (ap, fmt);
  internal_vwarning (file, line, fmt, ap);
  va_end (ap);
}

#if defined (USE_WIN32API) || defined(__CYGWIN__)

/* See errors.h.  */

const char *
strwinerror (ULONGEST error)
{
  static char buf[1024];
  TCHAR *msgbuf;
  DWORD lasterr = GetLastError ();
  DWORD chars = FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM
			       | FORMAT_MESSAGE_ALLOCATE_BUFFER,
			       NULL,
			       error,
			       0, /* Default language */
			       (LPTSTR) &msgbuf,
			       0,
			       NULL);
  if (chars != 0)
    {
      /* If there is an \r\n appended, zap it.  */
      if (chars >= 2
	  && msgbuf[chars - 2] == '\r'
	  && msgbuf[chars - 1] == '\n')
	{
	  chars -= 2;
	  msgbuf[chars] = 0;
	}

      if (chars > ARRAY_SIZE (buf) - 1)
	{
	  chars = ARRAY_SIZE (buf) - 1;
	  msgbuf [chars] = 0;
	}

#ifdef UNICODE
      wcstombs (buf, msgbuf, chars + 1);
#else
      strncpy (buf, msgbuf, chars + 1);
#endif
      LocalFree (msgbuf);
    }
  else
    sprintf (buf, "unknown win32 error (%u)", (unsigned) error);

  SetLastError (lasterr);
  return buf;
}

#endif /* USE_WIN32API */