1/*
2 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <openssl/err.h>
11#include <openssl/e_os2.h>
12
13static ossl_inline void err_get_slot(ERR_STATE *es)
14{
15 es->top = (es->top + 1) % ERR_NUM_ERRORS;
16 if (es->top == es->bottom)
17 es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS;
18}
19
20static ossl_inline void err_clear_data(ERR_STATE *es, size_t i, int deall)
21{
22 if (es->err_data_flags[i] & ERR_TXT_MALLOCED) {
23 if (deall) {
24 OPENSSL_free(es->err_data[i]);
25 es->err_data[i] = NULL;
26 es->err_data_size[i] = 0;
27 es->err_data_flags[i] = 0;
28 } else if (es->err_data[i] != NULL) {
29 es->err_data[i][0] = '\0';
30 }
31 } else {
32 es->err_data[i] = NULL;
33 es->err_data_size[i] = 0;
34 es->err_data_flags[i] = 0;
35 }
36}
37
38static ossl_inline void err_set_error(ERR_STATE *es, size_t i,
39 int lib, int reason)
40{
41 es->err_buffer[i] = ERR_PACK(lib, 0, reason);
42}
43
44static ossl_inline void err_set_debug(ERR_STATE *es, size_t i,
45 const char *file, int line,
46 const char *fn)
47{
48 es->err_file[i] = file;
49 es->err_line[i] = line;
50 es->err_func[i] = fn;
51}
52
53static ossl_inline void err_set_data(ERR_STATE *es, size_t i,
54 void *data, size_t datasz, int flags)
55{
56 es->err_data[i] = data;
57 es->err_data_size[i] = datasz;
58 es->err_data_flags[i] = flags;
59}
60
61static ossl_inline void err_clear(ERR_STATE *es, size_t i, int deall)
62{
63 err_clear_data(es, i, (deall));
64 es->err_flags[i] = 0;
65 es->err_buffer[i] = 0;
66 es->err_file[i] = NULL;
67 es->err_line[i] = -1;
68}
69
70ERR_STATE *err_get_state_int(void);
71