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Diffstat (limited to 'src/lib/libcrypto/man/CRYPTO_get_mem_functions.3')
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1 | .\" $OpenBSD: CRYPTO_get_mem_functions.3,v 1.7 2019/06/10 09:49:48 schwarze Exp $ | ||
2 | .\" | ||
3 | .\" Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org> | ||
4 | .\" | ||
5 | .\" Permission to use, copy, modify, and distribute this software for any | ||
6 | .\" purpose with or without fee is hereby granted, provided that the above | ||
7 | .\" copyright notice and this permission notice appear in all copies. | ||
8 | .\" | ||
9 | .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
10 | .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
11 | .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
12 | .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
13 | .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
14 | .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
15 | .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
16 | .\" | ||
17 | .Dd $Mdocdate: June 10 2019 $ | ||
18 | .Dt CRYPTO_GET_MEM_FUNCTIONS 3 | ||
19 | .Os | ||
20 | .Sh NAME | ||
21 | .Nm CRYPTO_get_mem_functions , | ||
22 | .Nm CRYPTO_set_mem_functions , | ||
23 | .Nm CRYPTO_mem_ctrl , | ||
24 | .Nm CRYPTO_mem_leaks , | ||
25 | .Nm CRYPTO_mem_leaks_fp , | ||
26 | .Nm CRYPTO_mem_leaks_cb | ||
27 | .Nd legacy OpenSSL memory allocation control | ||
28 | .Sh SYNOPSIS | ||
29 | .In openssl/crypto.h | ||
30 | .Ft void | ||
31 | .Fo CRYPTO_get_mem_functions | ||
32 | .Fa "void *(**m)(size_t)" | ||
33 | .Fa "void *(**r)(void *, size_t)" | ||
34 | .Fa "void (**f)(void *)" | ||
35 | .Fc | ||
36 | .Ft int | ||
37 | .Fo CRYPTO_set_mem_functions | ||
38 | .Fa "void *(*m)(size_t)" | ||
39 | .Fa "void *(*r)(void *, size_t)" | ||
40 | .Fa "void (*f)(void *)" | ||
41 | .Fc | ||
42 | .Ft int | ||
43 | .Fo CRYPTO_mem_ctrl | ||
44 | .Fa "int mode" | ||
45 | .Fc | ||
46 | .Ft int | ||
47 | .Fo CRYPTO_mem_leaks | ||
48 | .Fa "BIO *b" | ||
49 | .Fc | ||
50 | .Ft int | ||
51 | .Fo CRYPTO_mem_leaks_fp | ||
52 | .Fa "FILE *fp" | ||
53 | .Fc | ||
54 | .Ft typedef int * | ||
55 | .Fo CRYPTO_MEM_LEAK_CB | ||
56 | .Fa "unsigned long" | ||
57 | .Fa "const char *" | ||
58 | .Fa int | ||
59 | .Fa int | ||
60 | .Fa "void *" | ||
61 | .Fc | ||
62 | .Ft int | ||
63 | .Fo CRYPTO_mem_leaks_cb | ||
64 | .Fa "CRYPTO_MEM_LEAK_CB *cb" | ||
65 | .Fc | ||
66 | .Sh DESCRIPTION | ||
67 | Do not use any of the interfaces documented here. | ||
68 | They are provided purely for compatibility with legacy application code. | ||
69 | .Pp | ||
70 | .Fn CRYPTO_get_mem_functions | ||
71 | assigns pointers to the C library functions | ||
72 | .Xr malloc 3 , | ||
73 | .Xr realloc 3 , | ||
74 | and | ||
75 | .Xr free 3 | ||
76 | to those of its arguments that are not | ||
77 | .Dv NULL . | ||
78 | .Pp | ||
79 | .Fn CRYPTO_set_mem_functions , | ||
80 | .Fn CRYPTO_mem_ctrl , | ||
81 | .Fn CRYPTO_mem_leaks , | ||
82 | .Fn CRYPTO_mem_leaks_fp , | ||
83 | and | ||
84 | .Fn CRYPTO_mem_leaks_cb | ||
85 | have no effect. | ||
86 | .Sh RETURN VALUES | ||
87 | .Fn CRYPTO_set_mem_functions | ||
88 | always returns 0. | ||
89 | .Pp | ||
90 | .Fn CRYPTO_mem_ctrl | ||
91 | always returns | ||
92 | .Dv CRYPTO_MEM_CHECK_OFF . | ||
93 | .Pp | ||
94 | .Fn CRYPTO_mem_leaks , | ||
95 | .Fn CRYPTO_mem_leaks_fp , | ||
96 | and | ||
97 | .Fn CRYPTO_mem_leaks_cb | ||
98 | always return -1. | ||
99 | .Sh SEE ALSO | ||
100 | .Xr crypto 3 | ||
101 | .Sh HISTORY | ||
102 | .Fn CRYPTO_mem_ctrl , | ||
103 | .Fn CRYPTO_mem_leaks , | ||
104 | and | ||
105 | .Fn CRYPTO_mem_leaks_fp | ||
106 | first appeared in SSLeay 0.6.4. | ||
107 | .Fn CRYPTO_get_mem_functions | ||
108 | and | ||
109 | .Fn CRYPTO_set_mem_functions | ||
110 | first appeared in SSLeay 0.6.5. | ||
111 | .Fn CRYPTO_mem_leaks_cb | ||
112 | first appeared in SSLeay 0.6.6. | ||
113 | All these functions have all been available since | ||
114 | .Ox 2.4 . | ||