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/*
* msg.c - routines for error messages
*/
/*
* Copyright (C) 1986, 1988, 1989, 1991-1997 the Free Software Foundation, Inc.
*
* This file is part of GAWK, the GNU implementation of the
* AWK Programming 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 2, 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include "awk.h"
int sourceline = 0;
char *source = NULL;
static char *srcfile = NULL;
static int srcline;
/* prototype needed for ansi / gcc */
void err P((const char *s, const char *emsg, va_list argp));
/* err --- print an error message with source line and file and record */
/* VARARGS2 */
void
err(s, emsg, argp)
const char *s;
const char *emsg;
va_list argp;
{
char *file;
(void) fflush(stdout);
(void) fprintf(stderr, "%s: ", myname);
#ifdef DEBUG
if (srcfile != NULL) {
fprintf(stderr, "%s:%d:", srcfile, srcline);
srcfile = NULL;
}
#endif /* DEBUG */
if (sourceline != 0) {
if (source != NULL)
(void) fprintf(stderr, "%s:", source);
else
(void) fprintf(stderr, "cmd. line:");
(void) fprintf(stderr, "%d: ", sourceline);
}
if (FNR > 0) {
file = FILENAME_node->var_value->stptr;
(void) putc('(', stderr);
if (file)
(void) fprintf(stderr, "FILENAME=%s ", file);
(void) fprintf(stderr, "FNR=%ld) ", FNR);
}
(void) fprintf(stderr, s);
vfprintf(stderr, emsg, argp);
(void) fprintf(stderr, "\n");
(void) fflush(stderr);
}
/* msg --- take a varargs error message and print it */
#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
void
msg(char *mesg, ...)
#else
/*VARARGS0*/
void
msg(va_alist)
va_dcl
#endif
{
va_list args;
#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
va_start(args, mesg);
#else
char *mesg;
va_start(args);
mesg = va_arg(args, char *);
#endif
err("", mesg, args);
va_end(args);
}
/* warning --- print a warning message */
#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
void
warning(char *mesg, ...)
#else
/*VARARGS0*/
void
warning(va_alist)
va_dcl
#endif
{
va_list args;
#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
va_start(args, mesg);
#else
char *mesg;
va_start(args);
mesg = va_arg(args, char *);
#endif
err("warning: ", mesg, args);
va_end(args);
}
#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
void
error(char *mesg, ...)
#else
/*VARARGS0*/
void
error(va_alist)
va_dcl
#endif
{
va_list args;
#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
va_start(args, mesg);
#else
char *mesg;
va_start(args);
mesg = va_arg(args, char *);
#endif
err("error: ", mesg, args);
va_end(args);
}
/* set_loc --- set location where a fatal error happened */
void
set_loc(file, line)
char *file;
int line;
{
srcfile = file;
srcline = line;
}
/* fatal --- print an error message and die */
#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
void
r_fatal(char *mesg, ...)
#else
/*VARARGS0*/
void
r_fatal(va_alist)
va_dcl
#endif
{
va_list args;
#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
va_start(args, mesg);
#else
char *mesg;
va_start(args);
mesg = va_arg(args, char *);
#endif
err("fatal: ", mesg, args);
va_end(args);
#ifdef DEBUG
abort();
#endif
exit(2);
}
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