1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/*
* Copyright 1987, 1988 by MIT Student Information Processing Board.
*
* For copyright info, see mit-sipb-copyright.h.
*/
#include <stdio.h>
#include "mit-sipb-copyright.h"
#ifdef STDARG_PROTOTYPES
#include <stdarg.h>
#else
#include <varargs.h>
#define VARARGS
#endif
#include "error_table.h"
#include "internal.h"
#ifdef notdef
/*
* Protect us from header version (externally visible) of com_err, so
* we can survive in a <varargs.h> environment. I think.
*/
#define com_err com_err_external
#include "com_err.h"
#undef com_err
#endif
/* We have problems with varargs definitions if we include com_err.h */
/*
* XXX for now, we define error_message by hand. Ultimately, we
* should fix up com_err.h so that it's safe to #include here
* directly.
*/
#ifdef __STDC__
extern char const *error_message (long);
#else
extern char *error_message ();
#endif
static void
#ifdef __STDC__
default_com_err_proc (const char *whoami, long code, const char *fmt, va_list args)
#else
default_com_err_proc (whoami, code, fmt, args)
const char *whoami;
long code;
const char *fmt;
va_list args;
#endif
{
if (whoami) {
fputs(whoami, stderr);
fputs(": ", stderr);
}
if (code) {
fputs(error_message(code), stderr);
fputs(" ", stderr);
}
if (fmt) {
vfprintf (stderr, fmt, args);
}
/* should do this only on a tty in raw mode */
putc('\r', stderr);
putc('\n', stderr);
fflush(stderr);
}
#ifdef __STDC__
typedef void (*errf) (const char *, long, const char *, va_list);
#else
typedef void (*errf) ();
#endif
errf com_err_hook = default_com_err_proc;
void com_err_va (whoami, code, fmt, args)
const char *whoami;
long code;
const char *fmt;
va_list args;
{
(*com_err_hook) (whoami, code, fmt, args);
}
#ifndef VARARGS
void com_err (const char *whoami,
long code,
const char *fmt, ...)
{
#else
void com_err (va_alist)
va_dcl
{
const char *whoami, *fmt;
long code;
#endif
va_list pvar;
if (!com_err_hook)
com_err_hook = default_com_err_proc;
#ifdef VARARGS
va_start (pvar);
whoami = va_arg (pvar, const char *);
code = va_arg (pvar, long);
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;
}
|
