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/* $OpenBSD: com_err.c,v 1.4 1998/05/13 17:53:25 art Exp $ */
/*-
* Copyright 1987, 1988 by the Student Information Processing Board
* of the Massachusetts Institute of Technology
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for any purpose and without fee is
* hereby granted, provided that the above copyright notice
* appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation,
* and that the names of M.I.T. and the M.I.T. S.I.P.B. not be
* used in advertising or publicity pertaining to distribution
* of the software without specific, written prior permission.
* M.I.T. and the M.I.T. S.I.P.B. make no representations about
* the suitability of this software for any purpose. It is
* provided "as is" without express or implied warranty.
*/
#include <stdio.h>
#ifdef __STDC__
# undef VARARGS
# include <stdarg.h>
#else
# undef VARARGS
# define VARARGS 1
# include <varargs.h>
#endif
#include "com_err.h"
#include "error_table.h"
/*
* Protect us from header version (externally visible) of com_err, so
* we can survive in a <varargs.h> environment. I think.
*/
#if VARARGS
#define com_err com_err_external
#include "com_err.h"
#undef com_err
#endif
#ifdef NPOSIX
#undef vfprintf
#define vfprintf(stream,fmt,args) _doprnt(fmt,args,stream)
#endif
#if !defined(lint)
static const char rcsid[] =
"$Id: com_err.c,v 1.4 1998/05/13 17:53:25 art Exp $";
#endif /* ! lint */
static void
#ifdef __STDC__
default_com_err_proc (const char *whoami, errcode_t code, const char *fmt, va_list args)
#else
default_com_err_proc (whoami, code, fmt, args)
const char *whoami;
errcode_t code;
const char *fmt;
va_list args;
#endif
{
if (whoami) {
fputs(whoami, stderr);
fputs(": ", stderr);
}
#ifdef SOLARIS
if (code) {
fputs(error_message(code), stderr);
fputs(" ", stderr);
} else {
vfprintf (stderr, fmt, args);
}
#else
if (code) {
fputs(error_message(code), stderr);
fputs(" ", stderr);
}
if (fmt) {
vfprintf (stderr, fmt, args);
}
#endif
putc('\n', stderr);
/* should do this only on a tty in raw mode */
putc('\r', stderr);
fflush(stderr);
}
typedef void (*errf) __P((const char *, errcode_t, const char *, va_list));
errf com_err_hook = default_com_err_proc;
void com_err_va (whoami, code, fmt, args)
const char *whoami;
errcode_t code;
const char *fmt;
va_list args;
{
if (! com_err_hook)
com_err_hook = default_com_err_proc;
(*com_err_hook) (whoami, code, fmt, args);
}
#if ! VARARGS
void com_err (const char *whoami,
errcode_t code,
const char *fmt, ...)
{
#else
void com_err (va_alist)
va_dcl
{
const char *whoami, *fmt;
errcode_t code;
#endif
va_list pvar;
if (!com_err_hook)
com_err_hook = default_com_err_proc;
#if VARARGS
va_start (pvar);
whoami = va_arg (pvar, const char *);
code = va_arg (pvar, errcode_t);
fmt = va_arg (pvar, const char *);
#else
va_start(pvar, fmt);
#endif
com_err_va (whoami, code, fmt, pvar);
va_end(pvar);
}
errf set_com_err_hook (new_proc)
errf new_proc;
{
errf x = com_err_hook;
if (new_proc)
com_err_hook = new_proc;
else
com_err_hook = default_com_err_proc;
return x;
}
errf reset_com_err_hook () {
errf x = com_err_hook;
com_err_hook = default_com_err_proc;
return x;
}
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