190 lines
3.7 KiB
C
190 lines
3.7 KiB
C
/*
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* msg.c - routines for error messages
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*/
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/*
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* Copyright (C) 1986, 1988, 1989, 1991-1997 the Free Software Foundation, Inc.
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*
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* This file is part of GAWK, the GNU implementation of the
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* AWK Programming Language.
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*
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* GAWK is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* GAWK is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include "awk.h"
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int sourceline = 0;
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char *source = NULL;
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static char *srcfile = NULL;
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static int srcline;
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/* prototype needed for ansi / gcc */
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void err P((const char *s, const char *emsg, va_list argp));
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/* err --- print an error message with source line and file and record */
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/* VARARGS2 */
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void
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err(s, emsg, argp)
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const char *s;
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const char *emsg;
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va_list argp;
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{
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char *file;
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(void) fflush(stdout);
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(void) fprintf(stderr, "%s: ", myname);
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#ifdef DEBUG
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if (srcfile != NULL) {
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fprintf(stderr, "%s:%d:", srcfile, srcline);
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srcfile = NULL;
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}
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#endif /* DEBUG */
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if (sourceline != 0) {
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if (source != NULL)
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(void) fprintf(stderr, "%s:", source);
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else
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(void) fprintf(stderr, "cmd. line:");
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(void) fprintf(stderr, "%d: ", sourceline);
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}
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if (FNR > 0) {
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file = FILENAME_node->var_value->stptr;
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(void) putc('(', stderr);
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if (file)
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(void) fprintf(stderr, "FILENAME=%s ", file);
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(void) fprintf(stderr, "FNR=%ld) ", FNR);
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}
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(void) fprintf(stderr, s);
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vfprintf(stderr, emsg, argp);
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(void) fprintf(stderr, "\n");
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(void) fflush(stderr);
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}
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/* msg --- take a varargs error message and print it */
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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void
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msg(char *mesg, ...)
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#else
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/*VARARGS0*/
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void
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msg(va_alist)
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va_dcl
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#endif
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{
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va_list args;
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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va_start(args, mesg);
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#else
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char *mesg;
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va_start(args);
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mesg = va_arg(args, char *);
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#endif
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err("", mesg, args);
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va_end(args);
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}
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/* warning --- print a warning message */
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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void
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warning(char *mesg, ...)
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#else
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/*VARARGS0*/
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void
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warning(va_alist)
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va_dcl
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#endif
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{
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va_list args;
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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va_start(args, mesg);
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#else
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char *mesg;
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va_start(args);
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mesg = va_arg(args, char *);
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#endif
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err("warning: ", mesg, args);
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va_end(args);
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}
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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void
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error(char *mesg, ...)
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#else
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/*VARARGS0*/
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void
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error(va_alist)
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va_dcl
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#endif
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{
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va_list args;
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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va_start(args, mesg);
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#else
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char *mesg;
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va_start(args);
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mesg = va_arg(args, char *);
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#endif
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err("error: ", mesg, args);
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va_end(args);
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}
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/* set_loc --- set location where a fatal error happened */
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void
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set_loc(file, line)
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char *file;
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int line;
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{
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srcfile = file;
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srcline = line;
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}
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/* fatal --- print an error message and die */
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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void
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r_fatal(char *mesg, ...)
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#else
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/*VARARGS0*/
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void
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r_fatal(va_alist)
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va_dcl
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#endif
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{
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va_list args;
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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va_start(args, mesg);
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#else
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char *mesg;
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va_start(args);
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mesg = va_arg(args, char *);
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#endif
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err("fatal: ", mesg, args);
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va_end(args);
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#ifdef DEBUG
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abort();
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#endif
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exit(2);
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}
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