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Diffstat (limited to 'crypto/openssl/crypto/comp/c_zlib.c')
-rw-r--r--crypto/openssl/crypto/comp/c_zlib.c260
1 files changed, 0 insertions, 260 deletions
diff --git a/crypto/openssl/crypto/comp/c_zlib.c b/crypto/openssl/crypto/comp/c_zlib.c
deleted file mode 100644
index 8c0876151ac7..000000000000
--- a/crypto/openssl/crypto/comp/c_zlib.c
+++ /dev/null
@@ -1,260 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <openssl/objects.h>
-#include <openssl/comp.h>
-
-COMP_METHOD *COMP_zlib(void );
-
-static COMP_METHOD zlib_method_nozlib={
- NID_undef,
- "(undef)",
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- };
-
-#ifndef ZLIB
-#undef ZLIB_SHARED
-#else
-
-#include <zlib.h>
-
-static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out,
- unsigned int olen, unsigned char *in, unsigned int ilen);
-static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out,
- unsigned int olen, unsigned char *in, unsigned int ilen);
-
-static int zz_uncompress(Bytef *dest, uLongf *destLen, const Bytef *source,
- uLong sourceLen);
-
-static COMP_METHOD zlib_method={
- NID_zlib_compression,
- LN_zlib_compression,
- NULL,
- NULL,
- zlib_compress_block,
- zlib_expand_block,
- NULL,
- NULL,
- };
-
-/*
- * When OpenSSL is built on Windows, we do not want to require that
- * the ZLIB.DLL be available in order for the OpenSSL DLLs to
- * work. Therefore, all ZLIB routines are loaded at run time
- * and we do not link to a .LIB file.
- */
-#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
-# include <windows.h>
-
-# define Z_CALLCONV _stdcall
-# define ZLIB_SHARED
-#else
-# define Z_CALLCONV
-#endif /* !(OPENSSL_SYS_WINDOWS || OPENSSL_SYS_WIN32) */
-
-#ifdef ZLIB_SHARED
-#include <openssl/dso.h>
-
-/* Prototypes for built in stubs */
-static int stub_compress(Bytef *dest,uLongf *destLen,
- const Bytef *source, uLong sourceLen);
-static int stub_inflateEnd(z_streamp strm);
-static int stub_inflate(z_streamp strm, int flush);
-static int stub_inflateInit_(z_streamp strm, const char * version,
- int stream_size);
-
-/* Function pointers */
-typedef int (Z_CALLCONV *compress_ft)(Bytef *dest,uLongf *destLen,
- const Bytef *source, uLong sourceLen);
-typedef int (Z_CALLCONV *inflateEnd_ft)(z_streamp strm);
-typedef int (Z_CALLCONV *inflate_ft)(z_streamp strm, int flush);
-typedef int (Z_CALLCONV *inflateInit__ft)(z_streamp strm,
- const char * version, int stream_size);
-static compress_ft p_compress=NULL;
-static inflateEnd_ft p_inflateEnd=NULL;
-static inflate_ft p_inflate=NULL;
-static inflateInit__ft p_inflateInit_=NULL;
-
-static int zlib_loaded = 0; /* only attempt to init func pts once */
-static DSO *zlib_dso = NULL;
-
-#define compress stub_compress
-#define inflateEnd stub_inflateEnd
-#define inflate stub_inflate
-#define inflateInit_ stub_inflateInit_
-#endif /* ZLIB_SHARED */
-
-static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out,
- unsigned int olen, unsigned char *in, unsigned int ilen)
- {
- unsigned long l;
- int i;
- int clear=1;
-
- if (ilen > 128)
- {
- out[0]=1;
- l=olen-1;
- i=compress(&(out[1]),&l,in,(unsigned long)ilen);
- if (i != Z_OK)
- return(-1);
- if (ilen > l)
- {
- clear=0;
- l++;
- }
- }
- if (clear)
- {
- out[0]=0;
- memcpy(&(out[1]),in,ilen);
- l=ilen+1;
- }
-#ifdef DEBUG_ZLIB
- fprintf(stderr,"compress(%4d)->%4d %s\n",
- ilen,(int)l,(clear)?"clear":"zlib");
-#endif
- return((int)l);
- }
-
-static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out,
- unsigned int olen, unsigned char *in, unsigned int ilen)
- {
- unsigned long l;
- int i;
-
- if (in[0])
- {
- l=olen;
- i=zz_uncompress(out,&l,&(in[1]),(unsigned long)ilen-1);
- if (i != Z_OK)
- return(-1);
- }
- else
- {
- memcpy(out,&(in[1]),ilen-1);
- l=ilen-1;
- }
-#ifdef DEBUG_ZLIB
- fprintf(stderr,"expand (%4d)->%4d %s\n",
- ilen,(int)l,in[0]?"zlib":"clear");
-#endif
- return((int)l);
- }
-
-static int zz_uncompress (Bytef *dest, uLongf *destLen, const Bytef *source,
- uLong sourceLen)
-{
- z_stream stream;
- int err;
-
- stream.next_in = (Bytef*)source;
- stream.avail_in = (uInt)sourceLen;
- /* Check for source > 64K on 16-bit machine: */
- if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
-
- stream.next_out = dest;
- stream.avail_out = (uInt)*destLen;
- if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
-
- stream.zalloc = (alloc_func)0;
- stream.zfree = (free_func)0;
-
- err = inflateInit(&stream);
- if (err != Z_OK) return err;
-
- err = inflate(&stream, Z_FINISH);
- if (err != Z_STREAM_END) {
- inflateEnd(&stream);
- return err;
- }
- *destLen = stream.total_out;
-
- err = inflateEnd(&stream);
- return err;
-}
-
-#endif
-
-COMP_METHOD *COMP_zlib(void)
- {
- COMP_METHOD *meth = &zlib_method_nozlib;
-
-#ifdef ZLIB_SHARED
- if (!zlib_loaded)
- {
-#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
- zlib_dso = DSO_load(NULL, "ZLIB", NULL, 0);
-#else
- zlib_dso = DSO_load(NULL, "z", NULL, 0);
-#endif
- if (zlib_dso != NULL)
- {
- p_compress
- = (compress_ft) DSO_bind_func(zlib_dso,
- "compress");
- p_inflateEnd
- = (inflateEnd_ft) DSO_bind_func(zlib_dso,
- "inflateEnd");
- p_inflate
- = (inflate_ft) DSO_bind_func(zlib_dso,
- "inflate");
- p_inflateInit_
- = (inflateInit__ft) DSO_bind_func(zlib_dso,
- "inflateInit_");
- zlib_loaded++;
- }
- }
-
-#endif
-#if defined(ZLIB) || defined(ZLIB_SHARED)
- meth = &zlib_method;
-#endif
-
- return(meth);
- }
-
-#ifdef ZLIB_SHARED
-/* Stubs for each function to be dynamicly loaded */
-static int
-stub_compress(Bytef *dest,uLongf *destLen,const Bytef *source, uLong sourceLen)
- {
- if (p_compress)
- return(p_compress(dest,destLen,source,sourceLen));
- else
- return(Z_MEM_ERROR);
- }
-
-static int
-stub_inflateEnd(z_streamp strm)
- {
- if ( p_inflateEnd )
- return(p_inflateEnd(strm));
- else
- return(Z_MEM_ERROR);
- }
-
-static int
-stub_inflate(z_streamp strm, int flush)
- {
- if ( p_inflate )
- return(p_inflate(strm,flush));
- else
- return(Z_MEM_ERROR);
- }
-
-static int
-stub_inflateInit_(z_streamp strm, const char * version, int stream_size)
- {
- if ( p_inflateInit_ )
- return(p_inflateInit_(strm,version,stream_size));
- else
- return(Z_MEM_ERROR);
- }
-
-#endif /* ZLIB_SHARED */
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