| /* General utility routines for the remote server for GDB. |
| Copyright (C) 1986, 1989, 1993, 1995, 1996, 1997, 1999, 2000, 2002, 2003, |
| 2007, 2008 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 "server.h" |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #if HAVE_ERRNO_H |
| #include <errno.h> |
| #endif |
| #if HAVE_MALLOC_H |
| #include <malloc.h> |
| #endif |
| |
| /* Generally useful subroutines used throughout the program. */ |
| |
| /* Print the system error message for errno, and also mention STRING |
| as the file name for which the error was encountered. |
| Then return to command level. */ |
| |
| void |
| perror_with_name (char *string) |
| { |
| const char *err; |
| char *combined; |
| |
| err = strerror (errno); |
| if (err == NULL) |
| err = "unknown error"; |
| |
| combined = (char *) alloca (strlen (err) + strlen (string) + 3); |
| strcpy (combined, string); |
| strcat (combined, ": "); |
| strcat (combined, err); |
| |
| error ("%s.", combined); |
| } |
| |
| /* Print an error message and return to command level. |
| STRING is the error message, used as a fprintf string, |
| and ARG is passed as an argument to it. */ |
| |
| void |
| error (const char *string,...) |
| { |
| extern jmp_buf toplevel; |
| va_list args; |
| va_start (args, string); |
| fflush (stdout); |
| vfprintf (stderr, string, args); |
| fprintf (stderr, "\n"); |
| longjmp (toplevel, 1); |
| } |
| |
| /* Print an error message and exit reporting failure. |
| This is for a error that we cannot continue from. |
| STRING and ARG are passed to fprintf. */ |
| |
| /* VARARGS */ |
| void |
| fatal (const char *string,...) |
| { |
| va_list args; |
| va_start (args, string); |
| fprintf (stderr, "gdbserver: "); |
| vfprintf (stderr, string, args); |
| fprintf (stderr, "\n"); |
| va_end (args); |
| exit (1); |
| } |
| |
| /* VARARGS */ |
| void |
| warning (const char *string,...) |
| { |
| va_list args; |
| va_start (args, string); |
| fprintf (stderr, "gdbserver: "); |
| vfprintf (stderr, string, args); |
| fprintf (stderr, "\n"); |
| va_end (args); |
| } |