/src/openssl/crypto/comp/comp_lib.c
Line | Count | Source (jump to first uncovered line) |
1 | | #include <stdio.h> |
2 | | #include <stdlib.h> |
3 | | #include <string.h> |
4 | | #include <openssl/objects.h> |
5 | | #include <openssl/comp.h> |
6 | | |
7 | | COMP_CTX *COMP_CTX_new(COMP_METHOD *meth) |
8 | 0 | { |
9 | 0 | COMP_CTX *ret; |
10 | |
|
11 | 0 | if ((ret = (COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL) { |
12 | | /* ZZZZZZZZZZZZZZZZ */ |
13 | 0 | return (NULL); |
14 | 0 | } |
15 | 0 | memset(ret, 0, sizeof(COMP_CTX)); |
16 | 0 | ret->meth = meth; |
17 | 0 | if ((ret->meth->init != NULL) && !ret->meth->init(ret)) { |
18 | 0 | OPENSSL_free(ret); |
19 | 0 | ret = NULL; |
20 | 0 | } |
21 | 0 | return (ret); |
22 | 0 | } |
23 | | |
24 | | void COMP_CTX_free(COMP_CTX *ctx) |
25 | 0 | { |
26 | 0 | if (ctx == NULL) |
27 | 0 | return; |
28 | | |
29 | 0 | if (ctx->meth->finish != NULL) |
30 | 0 | ctx->meth->finish(ctx); |
31 | |
|
32 | 0 | OPENSSL_free(ctx); |
33 | 0 | } |
34 | | |
35 | | int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, |
36 | | unsigned char *in, int ilen) |
37 | 0 | { |
38 | 0 | int ret; |
39 | 0 | if (ctx->meth->compress == NULL) { |
40 | | /* ZZZZZZZZZZZZZZZZZ */ |
41 | 0 | return (-1); |
42 | 0 | } |
43 | 0 | ret = ctx->meth->compress(ctx, out, olen, in, ilen); |
44 | 0 | if (ret > 0) { |
45 | 0 | ctx->compress_in += ilen; |
46 | 0 | ctx->compress_out += ret; |
47 | 0 | } |
48 | 0 | return (ret); |
49 | 0 | } |
50 | | |
51 | | int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, |
52 | | unsigned char *in, int ilen) |
53 | 0 | { |
54 | 0 | int ret; |
55 | |
|
56 | 0 | if (ctx->meth->expand == NULL) { |
57 | | /* ZZZZZZZZZZZZZZZZZ */ |
58 | 0 | return (-1); |
59 | 0 | } |
60 | 0 | ret = ctx->meth->expand(ctx, out, olen, in, ilen); |
61 | 0 | if (ret > 0) { |
62 | 0 | ctx->expand_in += ilen; |
63 | 0 | ctx->expand_out += ret; |
64 | 0 | } |
65 | 0 | return (ret); |
66 | 0 | } |