Remove enet code from sources.

It only need for manaserv server type,
but manaserv still in long development.

1 files changed, 0 insertions, 654 deletions

diff --git a/src/enet/compress.c b/src/enet/compress.c
deleted file mode 100644
index 784489a78..000000000
--- a/src/enet/compress.c
+++ /dev/null
@@ -1,654 +0,0 @@
-/** 
- @file compress.c
- @brief An adaptive order-2 PPM range coder
-*/
-#define ENET_BUILDING_LIB 1
-#include <string.h>
-#include "enet/enet.h"
-
-typedef struct _ENetSymbol
-{
-    /* binary indexed tree of symbols */
-    enet_uint8 value;
-    enet_uint8 count;
-    enet_uint16 under;
-    enet_uint16 left, right;
-
-    /* context defined by this symbol */
-    enet_uint16 symbols;
-    enet_uint16 escapes;
-    enet_uint16 total;
-    enet_uint16 parent; 
-} ENetSymbol;
-
-/* adaptation constants tuned aggressively for small packet sizes rather than large file compression */
-enum
-{
-    ENET_RANGE_CODER_TOP    = 1<<24,
-    ENET_RANGE_CODER_BOTTOM = 1<<16,
-
-    ENET_CONTEXT_SYMBOL_DELTA = 3,
-    ENET_CONTEXT_SYMBOL_MINIMUM = 1,
-    ENET_CONTEXT_ESCAPE_MINIMUM = 1,
-
-    ENET_SUBCONTEXT_ORDER = 2,
-    ENET_SUBCONTEXT_SYMBOL_DELTA = 2,
-    ENET_SUBCONTEXT_ESCAPE_DELTA = 5
-};
-
-/* context exclusion roughly halves compression speed, so disable for now */
-#undef ENET_CONTEXT_EXCLUSION
-
-typedef struct _ENetRangeCoder
-{
-    /* only allocate enough symbols for reasonable MTUs, would need to be larger for large file compression */
-    ENetSymbol symbols[4096];
-} ENetRangeCoder;
-
-void *
-enet_range_coder_create (void)
-{
-    ENetRangeCoder * rangeCoder = (ENetRangeCoder *) enet_malloc (sizeof (ENetRangeCoder));
-    if (rangeCoder == NULL)
-      return NULL;
-
-    return rangeCoder;
-}
-
-void
-enet_range_coder_destroy (void * context)
-{
-    ENetRangeCoder * rangeCoder = (ENetRangeCoder *) context;
-    if (rangeCoder == NULL)
-      return;
-
-    enet_free (rangeCoder);
-}
-
-#define ENET_SYMBOL_CREATE(symbol, value_, count_) \
-{ \
-    symbol = & rangeCoder -> symbols [nextSymbol ++]; \
-    symbol -> value = value_; \
-    symbol -> count = count_; \
-    symbol -> under = count_; \
-    symbol -> left = 0; \
-    symbol -> right = 0; \
-    symbol -> symbols = 0; \
-    symbol -> escapes = 0; \
-    symbol -> total = 0; \
-    symbol -> parent = 0; \
-}
-
-#define ENET_CONTEXT_CREATE(context, escapes_, minimum) \
-{ \
-    ENET_SYMBOL_CREATE (context, 0, 0); \
-    (context) -> escapes = escapes_; \
-    (context) -> total = escapes_ + 256*minimum; \
-    (context) -> symbols = 0; \
-}
-
-static enet_uint16
-enet_symbol_rescale (ENetSymbol * symbol)
-{
-    enet_uint16 total = 0;
-    for (;;)
-    {
-        symbol -> count -= symbol->count >> 1;
-        symbol -> under = symbol -> count;
-        if (symbol -> left)
-          symbol -> under += enet_symbol_rescale (symbol + symbol -> left);
-        total += symbol -> under;
-        if (! symbol -> right) break;
-        symbol += symbol -> right;
-    } 
-    return total;
-}
-
-#define ENET_CONTEXT_RESCALE(context, minimum) \
-{ \
-    (context) -> total = (context) -> symbols ? enet_symbol_rescale ((context) + (context) -> symbols) : 0; \
-    (context) -> escapes -= (context) -> escapes >> 1; \
-    (context) -> total += (context) -> escapes + 256*minimum; \
-}
-
-#define ENET_RANGE_CODER_OUTPUT(value) \
-{ \
-    if (outData >= outEnd) \
-      return 0; \
-    * outData ++ = value; \
-}
-
-#define ENET_RANGE_CODER_ENCODE(under, count, total) \
-{ \
-    encodeRange /= (total); \
-    encodeLow += (under) * encodeRange; \
-    encodeRange *= (count); \
-    for (;;) \
-    { \
-        if((encodeLow ^ (encodeLow + encodeRange)) >= ENET_RANGE_CODER_TOP) \
-        { \
-            if(encodeRange >= ENET_RANGE_CODER_BOTTOM) break; \
-            encodeRange = -encodeLow & (ENET_RANGE_CODER_BOTTOM - 1); \
-        } \
-        ENET_RANGE_CODER_OUTPUT (encodeLow >> 24); \
-        encodeRange <<= 8; \
-        encodeLow <<= 8; \
-    } \
-}
-
-#define ENET_RANGE_CODER_FLUSH \
-{ \
-    while (encodeLow) \
-    { \
-        ENET_RANGE_CODER_OUTPUT (encodeLow >> 24); \
-        encodeLow <<= 8; \
-    } \
-}
-
-#define ENET_RANGE_CODER_FREE_SYMBOLS \
-{ \
-    if (nextSymbol >= sizeof (rangeCoder -> symbols) / sizeof (ENetSymbol) - ENET_SUBCONTEXT_ORDER ) \
-    { \
-        nextSymbol = 0; \
-        ENET_CONTEXT_CREATE (root, ENET_CONTEXT_ESCAPE_MINIMUM, ENET_CONTEXT_SYMBOL_MINIMUM); \
-        predicted = 0; \
-        order = 0; \
-    } \
-}
-
-#define ENET_CONTEXT_ENCODE(context, symbol_, value_, under_, count_, update, minimum) \
-{ \
-    under_ = value*minimum; \
-    count_ = minimum; \
-    if (! (context) -> symbols) \
-    { \
-        ENET_SYMBOL_CREATE (symbol_, value_, update); \
-        (context) -> symbols = symbol_ - (context); \
-    } \
-    else \
-    { \
-        ENetSymbol * node = (context) + (context) -> symbols; \
-        for (;;) \
-        { \
-            if (value_ < node -> value) \
-            { \
-                node -> under += update; \
-                if (node -> left) { node += node -> left; continue; } \
-                ENET_SYMBOL_CREATE (symbol_, value_, update); \
-                node -> left = symbol_ - node; \
-            } \
-            else \
-            if (value_ > node -> value) \
-            { \
-                under_ += node -> under; \
-                if (node -> right) { node += node -> right; continue; } \
-                ENET_SYMBOL_CREATE (symbol_, value_, update); \
-                node -> right = symbol_ - node; \
-            } \
-            else \
-            { \
-                count_ += node -> count; \
-                under_ += node -> under - node -> count; \
-                node -> under += update; \
-                node -> count += update; \
-                symbol_ = node; \
-            } \
-            break; \
-        } \
-    } \
-}
-
-#ifdef ENET_CONTEXT_EXCLUSION
-static const ENetSymbol emptyContext = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
-
-#define ENET_CONTEXT_WALK(context, body) \
-{ \
-    const ENetSymbol * node = (context) + (context) -> symbols; \
-    const ENetSymbol * stack [256]; \
-    size_t stackSize = 0; \
-    while (node -> left) \
-    { \
-        stack [stackSize ++] = node; \
-        node += node -> left; \
-    } \
-    for (;;) \
-    { \
-        body; \
-        if (node -> right) \
-        { \
-            node += node -> right; \
-            while (node -> left) \
-            { \
-                stack [stackSize ++] = node; \
-                node += node -> left; \
-            } \
-        } \
-        else \
-        if (stackSize <= 0) \
-            break; \
-        else \
-            node = stack [-- stackSize]; \
-    } \
-}
-
-#define ENET_CONTEXT_ENCODE_EXCLUDE(context, value_, under, total, minimum) \
-ENET_CONTEXT_WALK(context, { \
-    if (node -> value != value_) \
-    { \
-        enet_uint16 parentCount = rangeCoder -> symbols [node -> parent].count + minimum; \
-        if (node -> value < value_) \
-          under -= parentCount; \
-        total -= parentCount; \
-    } \
-})
-#endif
-
-size_t
-enet_range_coder_compress (void * context, const ENetBuffer * inBuffers, size_t inBufferCount, size_t inLimit, enet_uint8 * outData, size_t outLimit)
-{
-    ENetRangeCoder * rangeCoder = (ENetRangeCoder *) context;
-    enet_uint8 * outStart = outData, * outEnd = & outData [outLimit];
-    const enet_uint8 * inData, * inEnd;
-    enet_uint32 encodeLow = 0, encodeRange = ~0;
-    ENetSymbol * root;
-    enet_uint16 predicted = 0;
-    size_t order = 0, nextSymbol = 0;
-
-    if (rangeCoder == NULL || inBufferCount <= 0 || inLimit <= 0)
-      return 0;
-
-    inData = (const enet_uint8 *) inBuffers -> data;
-    inEnd = & inData [inBuffers -> dataLength];
-    inBuffers ++;
-    inBufferCount --;
-
-    ENET_CONTEXT_CREATE (root, ENET_CONTEXT_ESCAPE_MINIMUM, ENET_CONTEXT_SYMBOL_MINIMUM);
-
-    for (;;)
-    {
-        ENetSymbol * subcontext, * symbol;
-#ifdef ENET_CONTEXT_EXCLUSION
-        const ENetSymbol * childContext = & emptyContext;
-#endif
-        enet_uint8 value;
-        enet_uint16 count, under, * parent = & predicted, total;
-        if (inData >= inEnd)
-        {
-            if (inBufferCount <= 0)
-              break;
-            inData = (const enet_uint8 *) inBuffers -> data;
-            inEnd = & inData [inBuffers -> dataLength];
-            inBuffers ++;
-            inBufferCount --;
-        }
-        value = * inData ++;
-    
-        for (subcontext = & rangeCoder -> symbols [predicted]; 
-             subcontext != root; 
-#ifdef ENET_CONTEXT_EXCLUSION
-             childContext = subcontext, 
-#endif
-                subcontext = & rangeCoder -> symbols [subcontext -> parent])
-        {
-            ENET_CONTEXT_ENCODE (subcontext, symbol, value, under, count, ENET_SUBCONTEXT_SYMBOL_DELTA, 0);
-            * parent = symbol - rangeCoder -> symbols;
-            parent = & symbol -> parent;
-            total = subcontext -> total;
-#ifdef ENET_CONTEXT_EXCLUSION
-            if (childContext -> total > ENET_SUBCONTEXT_SYMBOL_DELTA + ENET_SUBCONTEXT_ESCAPE_DELTA)
-              ENET_CONTEXT_ENCODE_EXCLUDE (childContext, value, under, total, 0);
-#endif
-            if (count > 0)
-            {
-                ENET_RANGE_CODER_ENCODE (subcontext -> escapes + under, count, total);
-            }
-            else
-            {
-                if (subcontext -> escapes > 0 && subcontext -> escapes < total) 
-                    ENET_RANGE_CODER_ENCODE (0, subcontext -> escapes, total); 
-                subcontext -> escapes += ENET_SUBCONTEXT_ESCAPE_DELTA;
-                subcontext -> total += ENET_SUBCONTEXT_ESCAPE_DELTA;
-            }
-            subcontext -> total += ENET_SUBCONTEXT_SYMBOL_DELTA;
-            if (count > 0xFF - 2*ENET_SUBCONTEXT_SYMBOL_DELTA || subcontext -> total > ENET_RANGE_CODER_BOTTOM - 0x100)
-              ENET_CONTEXT_RESCALE (subcontext, 0);
-            if (count > 0) goto nextInput;
-        }
-
-        ENET_CONTEXT_ENCODE (root, symbol, value, under, count, ENET_CONTEXT_SYMBOL_DELTA, ENET_CONTEXT_SYMBOL_MINIMUM);
-        * parent = symbol - rangeCoder -> symbols;
-        parent = & symbol -> parent;
-        total = root -> total;
-#ifdef ENET_CONTEXT_EXCLUSION
-        if (childContext -> total > ENET_SUBCONTEXT_SYMBOL_DELTA + ENET_SUBCONTEXT_ESCAPE_DELTA)
-          ENET_CONTEXT_ENCODE_EXCLUDE (childContext, value, under, total, ENET_CONTEXT_SYMBOL_MINIMUM); 
-#endif
-        ENET_RANGE_CODER_ENCODE (root -> escapes + under, count, total);
-        root -> total += ENET_CONTEXT_SYMBOL_DELTA; 
-        if (count > 0xFF - 2*ENET_CONTEXT_SYMBOL_DELTA + ENET_CONTEXT_SYMBOL_MINIMUM || root -> total > ENET_RANGE_CODER_BOTTOM - 0x100)
-          ENET_CONTEXT_RESCALE (root, ENET_CONTEXT_SYMBOL_MINIMUM);
-
-    nextInput:
-        if (order >= ENET_SUBCONTEXT_ORDER) 
-          predicted = rangeCoder -> symbols [predicted].parent;
-        else 
-          order ++;
-        ENET_RANGE_CODER_FREE_SYMBOLS;
-    }
-
-    ENET_RANGE_CODER_FLUSH;
-
-    return (size_t) (outData - outStart);
-}
-
-#define ENET_RANGE_CODER_SEED \
-{ \
-    if (inData < inEnd) decodeCode |= * inData ++ << 24; \
-    if (inData < inEnd) decodeCode |= * inData ++ << 16; \
-    if (inData < inEnd) decodeCode |= * inData ++ << 8; \
-    if (inData < inEnd) decodeCode |= * inData ++; \
-}
-
-#define ENET_RANGE_CODER_READ(total) ((decodeCode - decodeLow) / (decodeRange /= (total)))
-
-#define ENET_RANGE_CODER_DECODE(under, count, total) \
-{ \
-    decodeLow += (under) * decodeRange; \
-    decodeRange *= (count); \
-    for (;;) \
-    { \
-        if((decodeLow ^ (decodeLow + decodeRange)) >= ENET_RANGE_CODER_TOP) \
-        { \
-            if(decodeRange >= ENET_RANGE_CODER_BOTTOM) break; \
-            decodeRange = -decodeLow & (ENET_RANGE_CODER_BOTTOM - 1); \
-        } \
-        decodeCode <<= 8; \
-        if (inData < inEnd) \
-          decodeCode |= * inData ++; \
-        decodeRange <<= 8; \
-        decodeLow <<= 8; \
-    } \
-}
-
-#define ENET_CONTEXT_DECODE(context, symbol_, code, value_, under_, count_, update, minimum, createRoot, visitNode, createRight, createLeft) \
-{ \
-    under_ = 0; \
-    count_ = minimum; \
-    if (! (context) -> symbols) \
-    { \
-        createRoot; \
-    } \
-    else \
-    { \
-        ENetSymbol * node = (context) + (context) -> symbols; \
-        for (;;) \
-        { \
-            enet_uint16 after = under_ + node -> under + (node -> value + 1)*minimum, before = node -> count + minimum; \
-            visitNode; \
-            if (code >= after) \
-            { \
-                under_ += node -> under; \
-                if (node -> right) { node += node -> right; continue; } \
-                createRight; \
-            } \
-            else \
-            if (code < after - before) \
-            { \
-                node -> under += update; \
-                if (node -> left) { node += node -> left; continue; } \
-                createLeft; \
-            } \
-            else \
-            { \
-                value_ = node -> value; \
-                count_ += node -> count; \
-                under_ = after - before; \
-                node -> under += update; \
-                node -> count += update; \
-                symbol_ = node; \
-            } \
-            break; \
-        } \
-    } \
-}
-
-#define ENET_CONTEXT_TRY_DECODE(context, symbol_, code, value_, under_, count_, update, minimum, exclude) \
-ENET_CONTEXT_DECODE (context, symbol_, code, value_, under_, count_, update, minimum, return 0, exclude (node -> value, after, before), return 0, return 0)
-
-#define ENET_CONTEXT_ROOT_DECODE(context, symbol_, code, value_, under_, count_, update, minimum, exclude) \
-ENET_CONTEXT_DECODE (context, symbol_, code, value_, under_, count_, update, minimum, \
-    { \
-        value_ = code / minimum; \
-        under_ = code - code%minimum; \
-        ENET_SYMBOL_CREATE (symbol_, value_, update); \
-        (context) -> symbols = symbol_ - (context); \
-    }, \
-    exclude (node -> value, after, before), \
-    { \
-        value_ = node->value + 1 + (code - after)/minimum; \
-        under_ = code - (code - after)%minimum; \
-        ENET_SYMBOL_CREATE (symbol_, value_, update); \
-        node -> right = symbol_ - node; \
-    }, \
-    { \
-        value_ = node->value - 1 - (after - before - code - 1)/minimum; \
-        under_ = code - (after - before - code - 1)%minimum; \
-        ENET_SYMBOL_CREATE (symbol_, value_, update); \
-        node -> left = symbol_ - node; \
-    }) \
-
-#ifdef ENET_CONTEXT_EXCLUSION
-typedef struct _ENetExclude
-{
-    enet_uint8 value;
-    enet_uint16 under;
-} ENetExclude;
-
-#define ENET_CONTEXT_DECODE_EXCLUDE(context, total, minimum) \
-{ \
-    enet_uint16 under = 0; \
-    nextExclude = excludes; \
-    ENET_CONTEXT_WALK (context, { \
-        under += rangeCoder -> symbols [node -> parent].count + minimum; \
-        nextExclude -> value = node -> value; \
-        nextExclude -> under = under; \
-        nextExclude ++; \
-    }); \
-    total -= under; \
-}
-
-#define ENET_CONTEXT_EXCLUDED(value_, after, before) \
-{ \
-    size_t low = 0, high = nextExclude - excludes; \
-    for(;;) \
-    { \
-        size_t mid = (low + high) >> 1; \
-        const ENetExclude * exclude = & excludes [mid]; \
-        if (value_ < exclude -> value) \
-        { \
-            if (low + 1 < high) \
-            { \
-                high = mid; \
-                continue; \
-            } \
-            if (exclude > excludes) \
-              after -= exclude [-1].under; \
-        } \
-        else \
-        { \
-            if (value_ > exclude -> value) \
-            { \
-                if (low + 1 < high) \
-                { \
-                    low = mid; \
-                    continue; \
-                } \
-            } \
-            else \
-              before = 0; \
-            after -= exclude -> under; \
-        } \
-        break; \
-    } \
-}
-#endif
-
-#define ENET_CONTEXT_NOT_EXCLUDED(value_, after, before)
-
-size_t
-enet_range_coder_decompress (void * context, const enet_uint8 * inData, size_t inLimit, enet_uint8 * outData, size_t outLimit)
-{
-    ENetRangeCoder * rangeCoder = (ENetRangeCoder *) context;
-    enet_uint8 * outStart = outData, * outEnd = & outData [outLimit];
-    const enet_uint8 * inEnd = & inData [inLimit];
-    enet_uint32 decodeLow = 0, decodeCode = 0, decodeRange = ~0;
-    ENetSymbol * root;
-    enet_uint16 predicted = 0;
-    size_t order = 0, nextSymbol = 0;
-#ifdef ENET_CONTEXT_EXCLUSION
-    ENetExclude excludes [256];
-    ENetExclude * nextExclude = excludes;
-#endif
-  
-    if (rangeCoder == NULL || inLimit <= 0)
-      return 0;
-
-    ENET_CONTEXT_CREATE (root, ENET_CONTEXT_ESCAPE_MINIMUM, ENET_CONTEXT_SYMBOL_MINIMUM);
-
-    ENET_RANGE_CODER_SEED;
-
-    for (;;)
-    {
-        ENetSymbol * subcontext, * symbol, * patch;
-#ifdef ENET_CONTEXT_EXCLUSION
-        const ENetSymbol * childContext = & emptyContext;
-#endif
-        enet_uint8 value = 0;
-        enet_uint16 code, under, count, bottom, * parent = & predicted, total;
-
-        for (subcontext = & rangeCoder -> symbols [predicted];
-             subcontext != root;
-#ifdef ENET_CONTEXT_EXCLUSION
-             childContext = subcontext, 
-#endif
-                subcontext = & rangeCoder -> symbols [subcontext -> parent])
-        {
-            if (subcontext -> escapes <= 0)
-              continue;
-            total = subcontext -> total;
-#ifdef ENET_CONTEXT_EXCLUSION
-            if (childContext -> total > 0) 
-              ENET_CONTEXT_DECODE_EXCLUDE (childContext, total, 0); 
-#endif
-            if (subcontext -> escapes >= total)
-              continue;
-            code = ENET_RANGE_CODER_READ (total);
-            if (code < subcontext -> escapes) 
-            {
-                ENET_RANGE_CODER_DECODE (0, subcontext -> escapes, total); 
-                continue;
-            }
-            code -= subcontext -> escapes;
-#ifdef ENET_CONTEXT_EXCLUSION
-            if (childContext -> total > 0)
-            {
-                ENET_CONTEXT_TRY_DECODE (subcontext, symbol, code, value, under, count, ENET_SUBCONTEXT_SYMBOL_DELTA, 0, ENET_CONTEXT_EXCLUDED); 
-            }
-            else
-#endif
-            {
-                ENET_CONTEXT_TRY_DECODE (subcontext, symbol, code, value, under, count, ENET_SUBCONTEXT_SYMBOL_DELTA, 0, ENET_CONTEXT_NOT_EXCLUDED); 
-            }
-            bottom = symbol - rangeCoder -> symbols;
-            ENET_RANGE_CODER_DECODE (subcontext -> escapes + under, count, total);
-            subcontext -> total += ENET_SUBCONTEXT_SYMBOL_DELTA;
-            if (count > 0xFF - 2*ENET_SUBCONTEXT_SYMBOL_DELTA || subcontext -> total > ENET_RANGE_CODER_BOTTOM - 0x100)
-              ENET_CONTEXT_RESCALE (subcontext, 0);
-            goto patchContexts;
-        }
-
-        total = root -> total;
-#ifdef ENET_CONTEXT_EXCLUSION
-        if (childContext -> total > 0)
-          ENET_CONTEXT_DECODE_EXCLUDE (childContext, total, ENET_CONTEXT_SYMBOL_MINIMUM);  
-#endif
-        code = ENET_RANGE_CODER_READ (total);
-        if (code < root -> escapes)
-        {
-            ENET_RANGE_CODER_DECODE (0, root -> escapes, total);
-            break;
-        }
-        code -= root -> escapes;
-#ifdef ENET_CONTEXT_EXCLUSION
-        if (childContext -> total > 0)
-        {
-            ENET_CONTEXT_ROOT_DECODE (root, symbol, code, value, under, count, ENET_CONTEXT_SYMBOL_DELTA, ENET_CONTEXT_SYMBOL_MINIMUM, ENET_CONTEXT_EXCLUDED); 
-        }
-        else
-#endif
-        {
-            ENET_CONTEXT_ROOT_DECODE (root, symbol, code, value, under, count, ENET_CONTEXT_SYMBOL_DELTA, ENET_CONTEXT_SYMBOL_MINIMUM, ENET_CONTEXT_NOT_EXCLUDED); 
-        }
-        bottom = symbol - rangeCoder -> symbols;
-        ENET_RANGE_CODER_DECODE (root -> escapes + under, count, total);
-        root -> total += ENET_CONTEXT_SYMBOL_DELTA;
-        if (count > 0xFF - 2*ENET_CONTEXT_SYMBOL_DELTA + ENET_CONTEXT_SYMBOL_MINIMUM || root -> total > ENET_RANGE_CODER_BOTTOM - 0x100)
-          ENET_CONTEXT_RESCALE (root, ENET_CONTEXT_SYMBOL_MINIMUM);
-
-    patchContexts:
-        for (patch = & rangeCoder -> symbols [predicted];
-             patch != subcontext;
-             patch = & rangeCoder -> symbols [patch -> parent])
-        {
-            ENET_CONTEXT_ENCODE (patch, symbol, value, under, count, ENET_SUBCONTEXT_SYMBOL_DELTA, 0);
-            * parent = symbol - rangeCoder -> symbols;
-            parent = & symbol -> parent;
-            if (count <= 0)
-            {
-                patch -> escapes += ENET_SUBCONTEXT_ESCAPE_DELTA;
-                patch -> total += ENET_SUBCONTEXT_ESCAPE_DELTA;
-            }
-            patch -> total += ENET_SUBCONTEXT_SYMBOL_DELTA; 
-            if (count > 0xFF - 2*ENET_SUBCONTEXT_SYMBOL_DELTA || patch -> total > ENET_RANGE_CODER_BOTTOM - 0x100)
-              ENET_CONTEXT_RESCALE (patch, 0);
-        }
-        * parent = bottom;
-
-        ENET_RANGE_CODER_OUTPUT (value);
-
-        if (order >= ENET_SUBCONTEXT_ORDER)
-          predicted = rangeCoder -> symbols [predicted].parent;
-        else
-          order ++;
-        ENET_RANGE_CODER_FREE_SYMBOLS;
-    }
-                        
-    return (size_t) (outData - outStart);
-}
-
-/** @defgroup host ENet host functions
-    @{
-*/
-
-/** Sets the packet compressor the host should use to the default range coder.
-    @param host host to enable the range coder for
-    @returns 0 on success, < 0 on failure
-*/
-int
-enet_host_compress_with_range_coder (ENetHost * host)
-{
-    ENetCompressor compressor;
-    memset (& compressor, 0, sizeof (compressor));
-    compressor.context = enet_range_coder_create();
-    if (compressor.context == NULL)
-      return -1;
-    compressor.compress = enet_range_coder_compress;
-    compressor.decompress = enet_range_coder_decompress;
-    compressor.destroy = enet_range_coder_destroy;
-    enet_host_compress (host, & compressor);
-    return 0;
-}
-    
-/** @} */
-    
-