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/* Error reporting facilities.
Copyright (C) 1986-2024 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 "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);
}
/* See errors.h. */
std::string
perror_string (const char *prefix, int errnum)
{
const char *err;
if (errnum != 0)
err = safe_strerror (errnum);
else
err = safe_strerror (errno);
return std::string (prefix) + ": " + err;
}
/* See errors.h. */
void
perror_with_name (const char *string, int errnum)
{
std::string combined = perror_string (string, errnum);
error (_("%s."), combined.c_str ());
}
#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;
}
/* See errors.h. */
void
throw_winerror_with_name (const char *string, ULONGEST err)
{
error (_("%s (error %u): %s"), string, (unsigned) err, strwinerror (err));
}
#endif /* USE_WIN32API */
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