1/* General utility routines for the remote server for GDB.
2   Copyright 1986, 1989, 1993, 1995, 1996, 1997, 1999, 2000, 2002, 2003
3   Free Software Foundation, Inc.
4
5   This file is part of GDB.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 2 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software
19   Foundation, Inc., 59 Temple Place - Suite 330,
20   Boston, MA 02111-1307, USA.  */
21
22#include "server.h"
23#include <stdio.h>
24#include <string.h>
25
26/* Generally useful subroutines used throughout the program.  */
27
28/* Print the system error message for errno, and also mention STRING
29   as the file name for which the error was encountered.
30   Then return to command level.  */
31
32void
33perror_with_name (char *string)
34{
35#ifndef STDC_HEADERS
36  extern int errno;
37#endif
38  const char *err;
39  char *combined;
40
41  err = strerror (errno);
42  if (err == NULL)
43    err = "unknown error";
44
45  combined = (char *) alloca (strlen (err) + strlen (string) + 3);
46  strcpy (combined, string);
47  strcat (combined, ": ");
48  strcat (combined, err);
49
50  error ("%s.", combined);
51}
52
53/* Print an error message and return to command level.
54   STRING is the error message, used as a fprintf string,
55   and ARG is passed as an argument to it.  */
56
57void
58error (const char *string,...)
59{
60  extern jmp_buf toplevel;
61  va_list args;
62  va_start (args, string);
63  fflush (stdout);
64  vfprintf (stderr, string, args);
65  fprintf (stderr, "\n");
66  longjmp (toplevel, 1);
67}
68
69/* Print an error message and exit reporting failure.
70   This is for a error that we cannot continue from.
71   STRING and ARG are passed to fprintf.  */
72
73/* VARARGS */
74void
75fatal (const char *string,...)
76{
77  va_list args;
78  va_start (args, string);
79  fprintf (stderr, "gdb: ");
80  vfprintf (stderr, string, args);
81  fprintf (stderr, "\n");
82  va_end (args);
83  exit (1);
84}
85
86/* VARARGS */
87void
88warning (const char *string,...)
89{
90  va_list args;
91  va_start (args, string);
92  fprintf (stderr, "gdb: ");
93  vfprintf (stderr, string, args);
94  fprintf (stderr, "\n");
95  va_end (args);
96}
97