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112 lines
2.0 KiB
C
112 lines
2.0 KiB
C
/*
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* Copyright 1987, 1988 by MIT Student Information Processing Board.
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*
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* For copyright info, see mit-sipb-copyright.h.
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*/
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#include <stdio.h>
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#include "mit-sipb-copyright.h"
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#include <stdarg.h>
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#include "error_table.h"
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#include "internal.h"
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#include "com_err.h"
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#if ! lint
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static const char rcsid[] =
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"$Id$";
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#endif /* ! lint */
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static void
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#ifdef __STDC__
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default_com_err_proc (const char *whoami, long code, const char *fmt, va_list args)
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#else
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default_com_err_proc (whoami, code, fmt, args)
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const char *whoami;
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long code;
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const char *fmt;
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va_list args;
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#endif
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{
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if (whoami) {
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fputs(whoami, stderr);
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fputs(": ", stderr);
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}
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if (code) {
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fputs(error_message(code), stderr);
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fputs(" ", stderr);
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}
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if (fmt) {
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vfprintf (stderr, fmt, args);
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}
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putc('\n', stderr);
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/* should do this only on a tty in raw mode */
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putc('\r', stderr);
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fflush(stderr);
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}
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#ifdef __STDC__
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typedef void (*errf) (const char *, long, const char *, va_list);
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#else
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typedef void (*errf) ();
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#endif
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errf com_err_hook = default_com_err_proc;
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void com_err_va (whoami, code, fmt, args)
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const char *whoami;
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long code;
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const char *fmt;
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va_list args;
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{
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(*com_err_hook) (whoami, code, fmt, args);
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}
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#if ! VARARGS
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void com_err (const char *whoami,
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long code,
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const char *fmt, ...)
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{
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#else
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void com_err (va_alist)
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va_dcl
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{
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const char *whoami, *fmt;
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long code;
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#endif
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va_list pvar;
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if (!com_err_hook)
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com_err_hook = default_com_err_proc;
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#if VARARGS
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va_start (pvar);
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whoami = va_arg (pvar, const char *);
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code = va_arg (pvar, long);
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fmt = va_arg (pvar, const char *);
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#else
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va_start(pvar, fmt);
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#endif
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com_err_va (whoami, code, fmt, pvar);
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va_end(pvar);
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}
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errf set_com_err_hook (new_proc)
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errf new_proc;
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{
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errf x = com_err_hook;
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if (new_proc)
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com_err_hook = new_proc;
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else
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com_err_hook = default_com_err_proc;
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return x;
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}
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errf reset_com_err_hook () {
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errf x = com_err_hook;
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com_err_hook = default_com_err_proc;
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return x;
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}
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