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/* General utility routines for the remote server for GDB.
Copyright (C) 1986, 1989, 1993 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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "server.h"
#include <stdio.h>
#include <string.h>
/* 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)
{
#ifndef STDC_HEADERS
extern int sys_nerr;
extern char *sys_errlist[];
extern int errno;
#endif
const char *err;
char *combined;
if (errno < sys_nerr)
err = sys_errlist[errno];
else
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. */
NORETURN 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 */
NORETURN void
fatal (char *string,...)
{
va_list args;
va_start (args, string);
fprintf (stderr, "gdb: ");
vfprintf (stderr, string, args);
fprintf (stderr, "\n");
va_end (args);
exit (1);
}
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