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/*
* SCCS: @(#)error.c 1.7 (98/09/01)
*
* UniSoft Ltd., London, England
*
* (C) Copyright 1996 X/Open Company Limited
*
* All rights reserved. No part of this source code may be reproduced,
* stored in a retrieval system, or transmitted, in any form or by any
* means, electronic, mechanical, photocopying, recording or otherwise,
* except as stated in the end-user licence agreement, without the prior
* permission of the copyright owners.
* A copy of the end-user licence agreement is contained in the file
* Licence which accompanies this distribution.
*
* X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
* the UK and other countries.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/************************************************************************
SCCS: @(#)error.c 1.7 98/09/01 TETware release 3.3
NAME: error.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: August 1996
DESCRIPTION:
tcc error handlers
MODIFICATIONS:
Geoff Clare, UniSoft Ltd., August 1996
Missing <string.h>.
Andrew Dingwall, UniSoft Ltd., July 1997
added support the MT DLL version of the C runtime support library
on Win32 systems
Andrew Dingwall, UniSoft Ltd., March 1998
replaced references to sys_errlist[] and sys_nerr with
a call to strerror()
Aaron Plattner, April 2010
Fixed warnings when compiled with GCC's -Wall option.
************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#ifndef TET_LITE /* -START-LITE-CUT- */
#endif /* !TET_LITE */ /* -END-LITE-CUT- */
#include "dtmac.h"
#include "ltoa.h"
#include "globals.h"
#include "dtetlib.h"
#include "scentab.h"
#include "proctab.h"
#include "tcc.h"
#define MSGSIZE ((MAXPATH * 2) + 128) /* size of a message buffer */
/* static function declarations */
static void errfmt PROTOLIST((int, const char *, int, const char *,
const char *, const char *, char []));
/*
** tcc_error() - TCC error handler
*/
void tcc_error(int errnum, const char *file, int line, const char *s1,
const char *s2)
{
char msg[MSGSIZE];
/* format the error message */
errfmt(errnum, file, line, s1, s2, (char *) 0, msg);
/* print the message to the journal if possible, otherwise to stderr */
if (jnl_usable())
jnl_tcc_msg(msg);
else {
(void) fprintf(stderr, "%s %s\n", tet_progname, msg);
(void) fflush(stderr);
}
}
/*
** tcc_fatal() - TCC fatal error handler
*/
TET_NORETURN void tcc_fatal(int errnum, const char *file, int line,
const char *s1, const char *s2)
{
tcc_error(errnum, file, line, s1, s2);
tcc_exit(1);
}
/*
** tcc_prperror() - TCC context-dependent error handler
** for use during test case execution
*/
void tcc_prperror(struct proctab *prp, int sysid, int errnum, const char *file,
int line, const char *s1, const char *s2)
{
static char fmt[] = "on system %03d";
char text[sizeof fmt + LNUMSZ];
char msg[MSGSIZE];
/* format the message */
if (sysid >= 0)
(void) sprintf(text, fmt, sysid);
else
text[0] = '\0';
errfmt(errnum, file, line, s1, s2, text, msg);
/* print errors to journal and stderr */
jnl_tcc_prpmsg(prp, msg);
fprintf(stderr, "tcc %s\n", msg);
}
/*
** errfmt() - format an error message into the msg buffer
*/
static void errfmt(int errnum, const char *file, int line, const char *s1,
const char *s2, const char *s3, char msg[])
{
register char *p = msg;
/* generate the source file and line number */
(void) sprintf(p, "(%s, %d): ", file, line);
p += strlen(p);
/* append the first message string */
while (*s1 && p < &msg[MSGSIZE - 1])
*p++ = *s1++;
/* append the second message string if there is one */
if (s2 && *s2 && p < &msg[MSGSIZE - 2]) {
*p++ = ' ';
while (*s2 && p < &msg[MSGSIZE - 1])
*p++ = *s2++;
}
/* append the third message string if there is one */
if (s3 && *s3 && p < &msg[MSGSIZE - 2]) {
*p++ = ' ';
while (*s3 && p < &msg[MSGSIZE - 1])
*p++ = *s3++;
}
#ifdef TET_LITE /* -LITE-CUT-LINE- */
# define REPLY_CODE_STRING ", reply code = "
#else /* -START-LITE-CUT- */
# define REPLY_CODE_STRING ", server reply code = "
#endif /* TET_LITE */ /* -END-LITE-CUT- */
/*
** generate the errnum information - errnum can be
** an errno (+ve values), a server reply code (-ve values) or
** zero (meaning don't print anything)
*/
if (errnum) {
if (errnum > 0) {
s1 = ": ";
#ifndef TET_LITE /* -START-LITE-CUT- */
#endif /* !TET_LITE */ /* -END-LITE-CUT- */
if ((s2 = strerror(errnum)) == (char *) 0) {
s1 = ", errno = ";
s2 = tet_errname(errnum);
}
}
else {
s1 = REPLY_CODE_STRING;
s2 = tet_ptrepcode(errnum);
}
while (*s1 && p < &msg[MSGSIZE - 1])
*p++ = *s1++;
while (*s2 && p < &msg[MSGSIZE - 1])
*p++ = *s2++;
}
*p = '\0';
#if 0
TRACE2(tet_Ttcc + tet_Tscen + tet_Texec + tet_Tbuf + tet_Tio +
tet_Tserv + tet_Tloop, 1, "ERROR: %s", msg);
#endif
}
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