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
134
135
136
137
138
139
140
141
142
|
/*
* 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"
/*
* Our environment only provides for ANSI's <stdarg.h> when using GNU
* C. Grump grump...
*/
#if ! __GNUC__
#define VARARGS 1
#endif
/* We don't have the v*printf routines... */
#define vfprintf(stream,fmt,args) _doprnt(fmt,args,stream)
#if __STDC__ && !VARARGS
# include <stdarg.h>
#else /* varargs: not STDC or no <stdarg> */
/* Non-ANSI, always take <varargs.h> path. */
# undef VARARGS
# define VARARGS 1
# include <varargs.h>
# undef vfprintf
# define vfprintf(stream,fmt,args) _doprnt(fmt,args,stream)
#endif /* varargs */
#include "error_table.h"
#include "internal.h"
/*
* 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
/* BSD. sigh. */
#undef vfprintf
#define vfprintf(stream,fmt,args) _doprnt(fmt,args,stream)
#if ! lint
static const char rcsid[] =
"$Header: /afs/rel-eng.athena.mit.edu/project/release/current/source/athena/athena.lib/et/RCS/com_err.c,v 1.2 90/03/23 13:22:20 epeisach Exp $";
#endif /* ! lint */
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);
}
putc('\n', stderr);
/* should do this only on a tty in raw mode */
putc('\r', 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);
}
#if ! 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;
#if 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;
}
|
