/src/openssl36/crypto/err/err_mark.c
Line | Count | Source |
1 | | /* |
2 | | * Copyright 2003-2023 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 | | #define OSSL_FORCE_ERR_STATE |
11 | | |
12 | | #include <openssl/err.h> |
13 | | #include "err_local.h" |
14 | | |
15 | | int ERR_set_mark(void) |
16 | 549M | { |
17 | 549M | ERR_STATE *es; |
18 | | |
19 | 549M | es = ossl_err_get_state_int(); |
20 | 549M | if (es == NULL) |
21 | 0 | return 0; |
22 | | |
23 | 549M | if (es->bottom == es->top) |
24 | 360M | return 0; |
25 | 188M | es->err_marks[es->top]++; |
26 | 188M | return 1; |
27 | 549M | } |
28 | | |
29 | | int ERR_pop(void) |
30 | 0 | { |
31 | 0 | ERR_STATE *es; |
32 | |
|
33 | 0 | es = ossl_err_get_state_int(); |
34 | 0 | if (es == NULL || es->bottom == es->top) |
35 | 0 | return 0; |
36 | | |
37 | 0 | err_clear(es, es->top, 0); |
38 | 0 | es->top = es->top > 0 ? es->top - 1 : ERR_NUM_ERRORS - 1; |
39 | 0 | return 1; |
40 | 0 | } |
41 | | |
42 | | int ERR_pop_to_mark(void) |
43 | 523M | { |
44 | 523M | ERR_STATE *es; |
45 | | |
46 | 523M | es = ossl_err_get_state_int(); |
47 | 523M | if (es == NULL) |
48 | 0 | return 0; |
49 | | |
50 | 964M | while (es->bottom != es->top |
51 | 622M | && es->err_marks[es->top] == 0) { |
52 | 441M | err_clear(es, es->top, 0); |
53 | 441M | es->top = es->top > 0 ? es->top - 1 : ERR_NUM_ERRORS - 1; |
54 | 441M | } |
55 | | |
56 | 523M | if (es->bottom == es->top) |
57 | 342M | return 0; |
58 | 181M | es->err_marks[es->top]--; |
59 | 181M | return 1; |
60 | 523M | } |
61 | | |
62 | | int ERR_count_to_mark(void) |
63 | 71.2M | { |
64 | 71.2M | ERR_STATE *es; |
65 | 71.2M | int count = 0, top; |
66 | | |
67 | 71.2M | es = ossl_err_get_state_int(); |
68 | 71.2M | if (es == NULL) |
69 | 0 | return 0; |
70 | | |
71 | 71.2M | top = es->top; |
72 | 71.2M | while (es->bottom != top |
73 | 3.89M | && es->err_marks[top] == 0) { |
74 | 56.8k | ++count; |
75 | 56.8k | top = top > 0 ? top - 1 : ERR_NUM_ERRORS - 1; |
76 | 56.8k | } |
77 | | |
78 | 71.2M | return count; |
79 | 71.2M | } |
80 | | |
81 | | int ERR_clear_last_mark(void) |
82 | 25.5M | { |
83 | 25.5M | ERR_STATE *es; |
84 | 25.5M | int top; |
85 | | |
86 | 25.5M | es = ossl_err_get_state_int(); |
87 | 25.5M | if (es == NULL) |
88 | 0 | return 0; |
89 | | |
90 | 25.5M | top = es->top; |
91 | 34.7M | while (es->bottom != top |
92 | 15.7M | && es->err_marks[top] == 0) { |
93 | 9.23M | top = top > 0 ? top - 1 : ERR_NUM_ERRORS - 1; |
94 | 9.23M | } |
95 | | |
96 | 25.5M | if (es->bottom == top) |
97 | 18.9M | return 0; |
98 | 6.53M | es->err_marks[top]--; |
99 | 6.53M | return 1; |
100 | 25.5M | } |