home *** CD-ROM | disk | FTP | other *** search
- /*
- * msg.c - routines for error messages
- */
-
- /*
- * Copyright (C) 1986, 1988, 1989 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;
- {
- int line;
- char *file;
-
- (void) fprintf(stderr, "%s: %s ", myname, s);
- vfprintf(stderr, msg, *argp);
- (void) fprintf(stderr, "\n");
- line = (int) FNR_node->var_value->numbr;
- if (line) {
- (void) fprintf(stderr, " input line number %d", line);
- 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");
- }
- }
-
- /*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(1);
- }
-