2 * Copyright (c) 2010 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 struct heim_error
*next
;
45 error_dealloc(void *ptr
)
47 struct heim_error
*p
= ptr
;
49 heim_release(p
->next
);
53 error_cmp(void *a
, void *b
)
55 struct heim_error
*ap
= a
, *bp
= b
;
56 if (ap
->error_code
== ap
->error_code
)
57 return ap
->error_code
- ap
->error_code
;
58 return heim_cmp(ap
->msg
, bp
->msg
);
64 struct heim_error
*p
= ptr
;
68 struct heim_type_data _heim_error_object
= {
79 heim_error_enomem(void)
81 /* This is an immediate object; see heim_number_create() */
82 return (heim_error_t
)heim_number_create(ENOMEM
);
86 heim_error_create(int error_code
, const char *fmt
, ...)
92 e
= heim_error_createv(error_code
, fmt
, ap
);
99 heim_error_createv(int error_code
, const char *fmt
, va_list ap
)
104 int save_errno
= errno
;
109 return heim_error_enomem();
110 len
= vsnprintf(str
, 1024, fmt
, ap
);
114 return NULL
; /* XXX We should have a special heim_error_t for this */
117 e
= _heim_alloc_object(&_heim_error_object
, sizeof(struct heim_error
));
119 e
->msg
= heim_string_create(str
);
120 e
->error_code
= error_code
;
129 heim_error_copy_string(heim_error_t error
)
131 if (heim_get_tid(error
) != HEIM_TID_ERROR
) {
132 if (heim_get_tid(error
) == heim_number_get_type_id())
133 return __heim_string_constant(strerror(heim_number_get_int((heim_number_t
)error
)));
134 heim_abort("invalid heim_error_t");
136 /* XXX concat all strings */
137 return heim_retain(error
->msg
);
141 heim_error_get_code(heim_error_t error
)
143 if (heim_get_tid(error
) != HEIM_TID_ERROR
) {
144 if (heim_get_tid(error
) == heim_number_get_type_id())
145 return heim_number_get_int((heim_number_t
)error
);
146 heim_abort("invalid heim_error_t");
148 return error
->error_code
;
152 heim_error_append(heim_error_t top
, heim_error_t append
)
154 if (heim_get_tid(top
) != HEIM_TID_ERROR
) {
155 if (heim_get_tid(top
) == heim_number_get_type_id())
157 heim_abort("invalid heim_error_t");
160 heim_release(top
->next
);
161 top
->next
= heim_retain(append
);