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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "libuutil_common.h"
#include <libintl.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <errno.h>
#include <wchar.h>
#include <unistd.h>
static const char *pname;
static __attribute__((noreturn)) void
uu_die_internal(int status, const char *format, va_list alist);
int uu_exit_ok_value = EXIT_SUCCESS;
int uu_exit_fatal_value = EXIT_FAILURE;
int uu_exit_usage_value = 2;
int *
uu_exit_ok(void)
{
return (&uu_exit_ok_value);
}
int *
uu_exit_fatal(void)
{
return (&uu_exit_fatal_value);
}
int *
uu_exit_usage(void)
{
return (&uu_exit_usage_value);
}
void
uu_alt_exit(int profile)
{
switch (profile) {
case UU_PROFILE_DEFAULT:
uu_exit_ok_value = EXIT_SUCCESS;
uu_exit_fatal_value = EXIT_FAILURE;
uu_exit_usage_value = 2;
break;
case UU_PROFILE_LAUNCHER:
uu_exit_ok_value = EXIT_SUCCESS;
uu_exit_fatal_value = 124;
uu_exit_usage_value = 125;
break;
}
}
static __attribute__((format(printf, 2, 0))) void
uu_warn_internal(int err, const char *format, va_list alist)
{
if (pname != NULL)
(void) fprintf(stderr, "%s: ", pname);
if (format != NULL)
(void) vfprintf(stderr, format, alist);
if (strrchr(format, '\n') == NULL)
(void) fprintf(stderr, ": %s\n", strerror(err));
}
void
uu_vwarn(const char *format, va_list alist)
{
uu_warn_internal(errno, format, alist);
}
void
uu_warn(const char *format, ...)
{
va_list alist;
va_start(alist, format);
uu_warn_internal(errno, format, alist);
va_end(alist);
}
static __attribute__((format(printf, 2, 0))) __attribute__((noreturn)) void
uu_die_internal(int status, const char *format, va_list alist)
{
uu_warn_internal(errno, format, alist);
#ifdef DEBUG
{
char *cp;
if (!issetugid()) {
cp = getenv("UU_DIE_ABORTS");
if (cp != NULL && *cp != '\0')
abort();
}
}
#endif
exit(status);
}
void
uu_vdie(const char *format, va_list alist)
{
uu_die_internal(UU_EXIT_FATAL, format, alist);
}
void
uu_die(const char *format, ...)
{
va_list alist;
va_start(alist, format);
uu_die_internal(UU_EXIT_FATAL, format, alist);
va_end(alist);
}
void
uu_vxdie(int status, const char *format, va_list alist)
{
uu_die_internal(status, format, alist);
}
void
uu_xdie(int status, const char *format, ...)
{
va_list alist;
va_start(alist, format);
uu_die_internal(status, format, alist);
va_end(alist);
}
const char *
uu_setpname(char *arg0)
{
/*
* Having a NULL argv[0], while uncommon, is possible. It
* makes more sense to handle this event in uu_setpname rather
* than in each of its consumers.
*/
if (arg0 == NULL) {
pname = getexecname();
if (pname == NULL)
pname = "unknown_command";
return (pname);
}
/*
* Guard against '/' at end of command invocation.
*/
for (;;) {
char *p = strrchr(arg0, '/');
if (p == NULL) {
pname = arg0;
break;
} else {
if (*(p + 1) == '\0') {
*p = '\0';
continue;
}
pname = p + 1;
break;
}
}
return (pname);
}
const char *
uu_getpname(void)
{
return (pname);
}
|
