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/*
* msg.c - routines for error messages
*/
/*
* Copyright (C) 1986, 1988, 1989, 1991 the Free Software Foundation, Inc.
*
* This file is part of GAWK, the GNU implementation of the
* AWK Progamming Language.
*
* GAWK 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 1, or (at your option)
* any later version.
*
* GAWK 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 GAWK; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "awk.h"
int sourceline = 0;
char *source = NULL;
/* VARARGS2 */
static void
err(s, msg, argp)
char *s;
char *msg;
va_list *argp;
{
char *file;
(void) fflush(stdout);
(void) fprintf(stderr, "%s: %s ", myname, s);
vfprintf(stderr, msg, *argp);
(void) fprintf(stderr, "\n");
if (FNR) {
(void) fprintf(stderr, " input line number %d", FNR);
file = FILENAME_node->var_value->stptr;
if (file && !STREQ(file, "-"))
(void) fprintf(stderr, ", file `%s'", file);
(void) fprintf(stderr, "\n");
}
if (sourceline) {
(void) fprintf(stderr, " source line number %d", sourceline);
if (source)
(void) fprintf(stderr, ", file `%s'", source);
(void) fprintf(stderr, "\n");
}
(void) fflush(stderr);
}
/*VARARGS0*/
void
msg(va_alist)
va_dcl
{
va_list args;
char *mesg;
va_start(args);
mesg = va_arg(args, char *);
err("", mesg, &args);
va_end(args);
}
/*VARARGS0*/
void
warning(va_alist)
va_dcl
{
va_list args;
char *mesg;
va_start(args);
mesg = va_arg(args, char *);
err("warning:", mesg, &args);
va_end(args);
}
/*VARARGS0*/
void
fatal(va_alist)
va_dcl
{
va_list args;
char *mesg;
va_start(args);
mesg = va_arg(args, char *);
err("fatal error:", mesg, &args);
va_end(args);
#ifdef DEBUG
abort();
#endif
exit(2);
}
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