summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/comp
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libcrypto/comp')
-rw-r--r--src/lib/libcrypto/comp/Makefile.ssl114
-rw-r--r--src/lib/libcrypto/comp/c_rle.c62
-rw-r--r--src/lib/libcrypto/comp/c_zlib.c260
-rw-r--r--src/lib/libcrypto/comp/comp.h59
-rw-r--r--src/lib/libcrypto/comp/comp_err.c92
-rw-r--r--src/lib/libcrypto/comp/comp_lib.c78
6 files changed, 665 insertions, 0 deletions
diff --git a/src/lib/libcrypto/comp/Makefile.ssl b/src/lib/libcrypto/comp/Makefile.ssl
new file mode 100644
index 0000000000..f70ba1b285
--- /dev/null
+++ b/src/lib/libcrypto/comp/Makefile.ssl
@@ -0,0 +1,114 @@
1#
2# SSLeay/crypto/comp/Makefile
3#
4
5DIR= comp
6TOP= ../..
7CC= cc
8INCLUDES= -I.. -I$(TOP) -I../../include
9CFLAG=-g
10INSTALL_PREFIX=
11OPENSSLDIR= /usr/local/ssl
12INSTALLTOP=/usr/local/ssl
13MAKE= make -f Makefile.ssl
14MAKEDEPPROG= makedepend
15MAKEDEPEND= $(TOP)/util/domd $(TOP) -MD $(MAKEDEPPROG)
16MAKEFILE= Makefile.ssl
17AR= ar r
18
19CFLAGS= $(INCLUDES) $(CFLAG)
20
21GENERAL=Makefile
22TEST=
23APPS=
24
25LIB=$(TOP)/libcrypto.a
26LIBSRC= comp_lib.c comp_err.c \
27 c_rle.c c_zlib.c
28
29LIBOBJ= comp_lib.o comp_err.o \
30 c_rle.o c_zlib.o
31
32SRC= $(LIBSRC)
33
34EXHEADER= comp.h
35HEADER= $(EXHEADER)
36
37ALL= $(GENERAL) $(SRC) $(HEADER)
38
39top:
40 (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
41
42all: lib
43
44lib: $(LIBOBJ)
45 $(AR) $(LIB) $(LIBOBJ)
46 $(RANLIB) $(LIB) || echo Never mind.
47 @touch lib
48
49files:
50 $(PERL) $(TOP)/util/files.pl Makefile.ssl >> $(TOP)/MINFO
51
52links:
53 @sh $(TOP)/util/point.sh Makefile.ssl Makefile
54 @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
55 @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
56 @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
57
58install:
59 @for i in $(EXHEADER) ; \
60 do \
61 (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
62 chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
63 done;
64
65tags:
66 ctags $(SRC)
67
68tests:
69
70lint:
71 lint -DLINT $(INCLUDES) $(SRC)>fluff
72
73depend:
74 $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(LIBSRC)
75
76dclean:
77 $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
78 mv -f Makefile.new $(MAKEFILE)
79
80clean:
81 rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
82
83# DO NOT DELETE THIS LINE -- make depend depends on it.
84
85c_rle.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
86c_rle.o: ../../include/openssl/bn.h ../../include/openssl/comp.h
87c_rle.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
88c_rle.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
89c_rle.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
90c_rle.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
91c_rle.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h c_rle.c
92c_zlib.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
93c_zlib.o: ../../include/openssl/bn.h ../../include/openssl/comp.h
94c_zlib.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
95c_zlib.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
96c_zlib.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
97c_zlib.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
98c_zlib.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
99c_zlib.o: c_zlib.c
100comp_err.o: ../../include/openssl/bio.h ../../include/openssl/comp.h
101comp_err.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
102comp_err.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
103comp_err.o: ../../include/openssl/opensslconf.h
104comp_err.o: ../../include/openssl/opensslv.h ../../include/openssl/safestack.h
105comp_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
106comp_err.o: comp_err.c
107comp_lib.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
108comp_lib.o: ../../include/openssl/bn.h ../../include/openssl/comp.h
109comp_lib.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
110comp_lib.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
111comp_lib.o: ../../include/openssl/opensslconf.h
112comp_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
113comp_lib.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
114comp_lib.o: ../../include/openssl/symhacks.h comp_lib.c
diff --git a/src/lib/libcrypto/comp/c_rle.c b/src/lib/libcrypto/comp/c_rle.c
new file mode 100644
index 0000000000..efd366fa22
--- /dev/null
+++ b/src/lib/libcrypto/comp/c_rle.c
@@ -0,0 +1,62 @@
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <openssl/objects.h>
5#include <openssl/comp.h>
6
7static int rle_compress_block(COMP_CTX *ctx, unsigned char *out,
8 unsigned int olen, unsigned char *in, unsigned int ilen);
9static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
10 unsigned int olen, unsigned char *in, unsigned int ilen);
11
12static COMP_METHOD rle_method={
13 NID_rle_compression,
14 LN_rle_compression,
15 NULL,
16 NULL,
17 rle_compress_block,
18 rle_expand_block,
19 NULL,
20 NULL,
21 };
22
23COMP_METHOD *COMP_rle(void)
24 {
25 return(&rle_method);
26 }
27
28static int rle_compress_block(COMP_CTX *ctx, unsigned char *out,
29 unsigned int olen, unsigned char *in, unsigned int ilen)
30 {
31 /* int i; */
32
33 if (olen < (ilen+1))
34 {
35 /* ZZZZZZZZZZZZZZZZZZZZZZ */
36 return(-1);
37 }
38
39 *(out++)=0;
40 memcpy(out,in,ilen);
41 return(ilen+1);
42 }
43
44static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
45 unsigned int olen, unsigned char *in, unsigned int ilen)
46 {
47 int i;
48
49 if (olen < (ilen-1))
50 {
51 /* ZZZZZZZZZZZZZZZZZZZZZZ */
52 return(-1);
53 }
54
55 i= *(in++);
56 if (i == 0)
57 {
58 memcpy(out,in,ilen-1);
59 }
60 return(ilen-1);
61 }
62
diff --git a/src/lib/libcrypto/comp/c_zlib.c b/src/lib/libcrypto/comp/c_zlib.c
new file mode 100644
index 0000000000..8c0876151a
--- /dev/null
+++ b/src/lib/libcrypto/comp/c_zlib.c
@@ -0,0 +1,260 @@
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <openssl/objects.h>
5#include <openssl/comp.h>
6
7COMP_METHOD *COMP_zlib(void );
8
9static COMP_METHOD zlib_method_nozlib={
10 NID_undef,
11 "(undef)",
12 NULL,
13 NULL,
14 NULL,
15 NULL,
16 NULL,
17 NULL,
18 };
19
20#ifndef ZLIB
21#undef ZLIB_SHARED
22#else
23
24#include <zlib.h>
25
26static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out,
27 unsigned int olen, unsigned char *in, unsigned int ilen);
28static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out,
29 unsigned int olen, unsigned char *in, unsigned int ilen);
30
31static int zz_uncompress(Bytef *dest, uLongf *destLen, const Bytef *source,
32 uLong sourceLen);
33
34static COMP_METHOD zlib_method={
35 NID_zlib_compression,
36 LN_zlib_compression,
37 NULL,
38 NULL,
39 zlib_compress_block,
40 zlib_expand_block,
41 NULL,
42 NULL,
43 };
44
45/*
46 * When OpenSSL is built on Windows, we do not want to require that
47 * the ZLIB.DLL be available in order for the OpenSSL DLLs to
48 * work. Therefore, all ZLIB routines are loaded at run time
49 * and we do not link to a .LIB file.
50 */
51#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
52# include <windows.h>
53
54# define Z_CALLCONV _stdcall
55# define ZLIB_SHARED
56#else
57# define Z_CALLCONV
58#endif /* !(OPENSSL_SYS_WINDOWS || OPENSSL_SYS_WIN32) */
59
60#ifdef ZLIB_SHARED
61#include <openssl/dso.h>
62
63/* Prototypes for built in stubs */
64static int stub_compress(Bytef *dest,uLongf *destLen,
65 const Bytef *source, uLong sourceLen);
66static int stub_inflateEnd(z_streamp strm);
67static int stub_inflate(z_streamp strm, int flush);
68static int stub_inflateInit_(z_streamp strm, const char * version,
69 int stream_size);
70
71/* Function pointers */
72typedef int (Z_CALLCONV *compress_ft)(Bytef *dest,uLongf *destLen,
73 const Bytef *source, uLong sourceLen);
74typedef int (Z_CALLCONV *inflateEnd_ft)(z_streamp strm);
75typedef int (Z_CALLCONV *inflate_ft)(z_streamp strm, int flush);
76typedef int (Z_CALLCONV *inflateInit__ft)(z_streamp strm,
77 const char * version, int stream_size);
78static compress_ft p_compress=NULL;
79static inflateEnd_ft p_inflateEnd=NULL;
80static inflate_ft p_inflate=NULL;
81static inflateInit__ft p_inflateInit_=NULL;
82
83static int zlib_loaded = 0; /* only attempt to init func pts once */
84static DSO *zlib_dso = NULL;
85
86#define compress stub_compress
87#define inflateEnd stub_inflateEnd
88#define inflate stub_inflate
89#define inflateInit_ stub_inflateInit_
90#endif /* ZLIB_SHARED */
91
92static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out,
93 unsigned int olen, unsigned char *in, unsigned int ilen)
94 {
95 unsigned long l;
96 int i;
97 int clear=1;
98
99 if (ilen > 128)
100 {
101 out[0]=1;
102 l=olen-1;
103 i=compress(&(out[1]),&l,in,(unsigned long)ilen);
104 if (i != Z_OK)
105 return(-1);
106 if (ilen > l)
107 {
108 clear=0;
109 l++;
110 }
111 }
112 if (clear)
113 {
114 out[0]=0;
115 memcpy(&(out[1]),in,ilen);
116 l=ilen+1;
117 }
118#ifdef DEBUG_ZLIB
119 fprintf(stderr,"compress(%4d)->%4d %s\n",
120 ilen,(int)l,(clear)?"clear":"zlib");
121#endif
122 return((int)l);
123 }
124
125static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out,
126 unsigned int olen, unsigned char *in, unsigned int ilen)
127 {
128 unsigned long l;
129 int i;
130
131 if (in[0])
132 {
133 l=olen;
134 i=zz_uncompress(out,&l,&(in[1]),(unsigned long)ilen-1);
135 if (i != Z_OK)
136 return(-1);
137 }
138 else
139 {
140 memcpy(out,&(in[1]),ilen-1);
141 l=ilen-1;
142 }
143#ifdef DEBUG_ZLIB
144 fprintf(stderr,"expand (%4d)->%4d %s\n",
145 ilen,(int)l,in[0]?"zlib":"clear");
146#endif
147 return((int)l);
148 }
149
150static int zz_uncompress (Bytef *dest, uLongf *destLen, const Bytef *source,
151 uLong sourceLen)
152{
153 z_stream stream;
154 int err;
155
156 stream.next_in = (Bytef*)source;
157 stream.avail_in = (uInt)sourceLen;
158 /* Check for source > 64K on 16-bit machine: */
159 if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
160
161 stream.next_out = dest;
162 stream.avail_out = (uInt)*destLen;
163 if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
164
165 stream.zalloc = (alloc_func)0;
166 stream.zfree = (free_func)0;
167
168 err = inflateInit(&stream);
169 if (err != Z_OK) return err;
170
171 err = inflate(&stream, Z_FINISH);
172 if (err != Z_STREAM_END) {
173 inflateEnd(&stream);
174 return err;
175 }
176 *destLen = stream.total_out;
177
178 err = inflateEnd(&stream);
179 return err;
180}
181
182#endif
183
184COMP_METHOD *COMP_zlib(void)
185 {
186 COMP_METHOD *meth = &zlib_method_nozlib;
187
188#ifdef ZLIB_SHARED
189 if (!zlib_loaded)
190 {
191#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
192 zlib_dso = DSO_load(NULL, "ZLIB", NULL, 0);
193#else
194 zlib_dso = DSO_load(NULL, "z", NULL, 0);
195#endif
196 if (zlib_dso != NULL)
197 {
198 p_compress
199 = (compress_ft) DSO_bind_func(zlib_dso,
200 "compress");
201 p_inflateEnd
202 = (inflateEnd_ft) DSO_bind_func(zlib_dso,
203 "inflateEnd");
204 p_inflate
205 = (inflate_ft) DSO_bind_func(zlib_dso,
206 "inflate");
207 p_inflateInit_
208 = (inflateInit__ft) DSO_bind_func(zlib_dso,
209 "inflateInit_");
210 zlib_loaded++;
211 }
212 }
213
214#endif
215#if defined(ZLIB) || defined(ZLIB_SHARED)
216 meth = &zlib_method;
217#endif
218
219 return(meth);
220 }
221
222#ifdef ZLIB_SHARED
223/* Stubs for each function to be dynamicly loaded */
224static int
225stub_compress(Bytef *dest,uLongf *destLen,const Bytef *source, uLong sourceLen)
226 {
227 if (p_compress)
228 return(p_compress(dest,destLen,source,sourceLen));
229 else
230 return(Z_MEM_ERROR);
231 }
232
233static int
234stub_inflateEnd(z_streamp strm)
235 {
236 if ( p_inflateEnd )
237 return(p_inflateEnd(strm));
238 else
239 return(Z_MEM_ERROR);
240 }
241
242static int
243stub_inflate(z_streamp strm, int flush)
244 {
245 if ( p_inflate )
246 return(p_inflate(strm,flush));
247 else
248 return(Z_MEM_ERROR);
249 }
250
251static int
252stub_inflateInit_(z_streamp strm, const char * version, int stream_size)
253 {
254 if ( p_inflateInit_ )
255 return(p_inflateInit_(strm,version,stream_size));
256 else
257 return(Z_MEM_ERROR);
258 }
259
260#endif /* ZLIB_SHARED */
diff --git a/src/lib/libcrypto/comp/comp.h b/src/lib/libcrypto/comp/comp.h
new file mode 100644
index 0000000000..ab48b78ae9
--- /dev/null
+++ b/src/lib/libcrypto/comp/comp.h
@@ -0,0 +1,59 @@
1
2#ifndef HEADER_COMP_H
3#define HEADER_COMP_H
4
5#include <openssl/crypto.h>
6
7#ifdef __cplusplus
8extern "C" {
9#endif
10
11typedef struct comp_method_st
12 {
13 int type; /* NID for compression library */
14 const char *name; /* A text string to identify the library */
15 int (*init)();
16 void (*finish)();
17 int (*compress)();
18 int (*expand)();
19 long (*ctrl)();
20 long (*callback_ctrl)();
21 } COMP_METHOD;
22
23typedef struct comp_ctx_st
24 {
25 COMP_METHOD *meth;
26 unsigned long compress_in;
27 unsigned long compress_out;
28 unsigned long expand_in;
29 unsigned long expand_out;
30
31 CRYPTO_EX_DATA ex_data;
32 } COMP_CTX;
33
34
35COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
36void COMP_CTX_free(COMP_CTX *ctx);
37int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
38 unsigned char *in, int ilen);
39int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
40 unsigned char *in, int ilen);
41COMP_METHOD *COMP_rle(void );
42COMP_METHOD *COMP_zlib(void );
43
44/* BEGIN ERROR CODES */
45/* The following lines are auto generated by the script mkerr.pl. Any changes
46 * made after this point may be overwritten when the script is next run.
47 */
48void ERR_load_COMP_strings(void);
49
50/* Error codes for the COMP functions. */
51
52/* Function codes. */
53
54/* Reason codes. */
55
56#ifdef __cplusplus
57}
58#endif
59#endif
diff --git a/src/lib/libcrypto/comp/comp_err.c b/src/lib/libcrypto/comp/comp_err.c
new file mode 100644
index 0000000000..1652b8c2c4
--- /dev/null
+++ b/src/lib/libcrypto/comp/comp_err.c
@@ -0,0 +1,92 @@
1/* crypto/comp/comp_err.c */
2/* ====================================================================
3 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56/* NOTE: this file was auto generated by the mkerr.pl script: any changes
57 * made to it will be overwritten when the script next updates this file,
58 * only reason strings will be preserved.
59 */
60
61#include <stdio.h>
62#include <openssl/err.h>
63#include <openssl/comp.h>
64
65/* BEGIN ERROR CODES */
66#ifndef OPENSSL_NO_ERR
67static ERR_STRING_DATA COMP_str_functs[]=
68 {
69{0,NULL}
70 };
71
72static ERR_STRING_DATA COMP_str_reasons[]=
73 {
74{0,NULL}
75 };
76
77#endif
78
79void ERR_load_COMP_strings(void)
80 {
81 static int init=1;
82
83 if (init)
84 {
85 init=0;
86#ifndef OPENSSL_NO_ERR
87 ERR_load_strings(ERR_LIB_COMP,COMP_str_functs);
88 ERR_load_strings(ERR_LIB_COMP,COMP_str_reasons);
89#endif
90
91 }
92 }
diff --git a/src/lib/libcrypto/comp/comp_lib.c b/src/lib/libcrypto/comp/comp_lib.c
new file mode 100644
index 0000000000..beb98ce8cc
--- /dev/null
+++ b/src/lib/libcrypto/comp/comp_lib.c
@@ -0,0 +1,78 @@
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <openssl/objects.h>
5#include <openssl/comp.h>
6
7COMP_CTX *COMP_CTX_new(COMP_METHOD *meth)
8 {
9 COMP_CTX *ret;
10
11 if ((ret=(COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL)
12 {
13 /* ZZZZZZZZZZZZZZZZ */
14 return(NULL);
15 }
16 memset(ret,0,sizeof(COMP_CTX));
17 ret->meth=meth;
18 if ((ret->meth->init != NULL) && !ret->meth->init(ret))
19 {
20 OPENSSL_free(ret);
21 ret=NULL;
22 }
23#if 0
24 else
25 CRYPTO_new_ex_data(rsa_meth,(char *)ret,&ret->ex_data);
26#endif
27 return(ret);
28 }
29
30void COMP_CTX_free(COMP_CTX *ctx)
31 {
32 /* CRYPTO_free_ex_data(rsa_meth,(char *)ctx,&ctx->ex_data); */
33
34 if(ctx == NULL)
35 return;
36
37 if (ctx->meth->finish != NULL)
38 ctx->meth->finish(ctx);
39
40 OPENSSL_free(ctx);
41 }
42
43int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
44 unsigned char *in, int ilen)
45 {
46 int ret;
47 if (ctx->meth->compress == NULL)
48 {
49 /* ZZZZZZZZZZZZZZZZZ */
50 return(-1);
51 }
52 ret=ctx->meth->compress(ctx,out,olen,in,ilen);
53 if (ret > 0)
54 {
55 ctx->compress_in+=ilen;
56 ctx->compress_out+=ret;
57 }
58 return(ret);
59 }
60
61int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
62 unsigned char *in, int ilen)
63 {
64 int ret;
65
66 if (ctx->meth->expand == NULL)
67 {
68 /* ZZZZZZZZZZZZZZZZZ */
69 return(-1);
70 }
71 ret=ctx->meth->expand(ctx,out,olen,in,ilen);
72 if (ret > 0)
73 {
74 ctx->expand_in+=ilen;
75 ctx->expand_out+=ret;
76 }
77 return(ret);
78 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-10-24 22:06:54 +0000