Move FPDFAPI_FlateInit() prototype and friends to .h file

core/src/fxcodec/codec/fx_codec_flate.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../../third_party/base/nonstd_unique_ptr.h"
 #include "../../../../third_party/zlib_v128/zlib.h"
 #include "../../../include/fxcodec/fx_codec.h"
+#include "../../../include/fxcodec/fx_codec_flate.h"
 #include "codec_int.h"
 
 extern "C"
 {
-    static void* my_alloc_func (void* opaque, unsigned int items, unsigned int size)
+    static void* my_alloc_func(void* opaque, unsigned int items, unsigned int size)
     {
         return FX_Alloc2D(uint8_t, items, size);
     }
-    static void   my_free_func  (void* opaque, void* address)
+    static void my_free_func(void* opaque, void* address)
     {
         FX_Free(address);
     }
+    static int FPDFAPI_FlateGetTotalOut(void* context)
+    {
+        return ((z_stream*)context)->total_out;
+    }
+    static int FPDFAPI_FlateGetTotalIn(void* context)
+    {
+        return ((z_stream*)context)->total_in;
+    }
+    static void FPDFAPI_FlateCompress(unsigned char* dest_buf,
+                                      unsigned long* dest_size,
+                                      const unsigned char* src_buf,
+                                      unsigned long src_size)
+    {
+        compress(dest_buf, dest_size, src_buf, src_size);
+    }
     void* FPDFAPI_FlateInit(void* (*alloc_func)(void*, unsigned int, unsigned int),
                             void (*free_func)(void*, void*))
     {
         z_stream* p = (z_stream*)alloc_func(0, 1, sizeof(z_stream));
         if (p == NULL) {
             return NULL;
         }
         FXSYS_memset(p, 0, sizeof(z_stream));
         p->zalloc = alloc_func;
         p->zfree = free_func;
         inflateInit(p);
         return p;
     }
     void FPDFAPI_FlateInput(void* context, const unsigned char* src_buf, unsigned int src_size)
     {
         ((z_stream*)context)->next_in = (unsigned char*)src_buf;
         ((z_stream*)context)->avail_in = src_size;
     }
-    int FPDFAPI_FlateGetTotalOut(void* context)
-    {
-        return ((z_stream*)context)->total_out;
-    }
     int FPDFAPI_FlateOutput(void* context, unsigned char* dest_buf, unsigned int dest_size)
     {
         ((z_stream*)context)->next_out = dest_buf;
         ((z_stream*)context)->avail_out = dest_size;
         unsigned int pre_pos = (unsigned int)FPDFAPI_FlateGetTotalOut(context);
         int ret = inflate((z_stream*)context, Z_SYNC_FLUSH);
         unsigned int post_pos = (unsigned int)FPDFAPI_FlateGetTotalOut(context);
         unsigned int written = post_pos - pre_pos;
         if (written < dest_size) {
             FXSYS_memset(dest_buf + written, '\0', dest_size - written);
         }
         return ret;
     }
-    int FPDFAPI_FlateGetTotalIn(void* context)
+    int FPDFAPI_FlateGetAvailIn(void* context)
     {
-        return ((z_stream*)context)->total_in;
+        return ((z_stream*)context)->avail_in;
     }
     int FPDFAPI_FlateGetAvailOut(void* context)
     {
         return ((z_stream*)context)->avail_out;
     }
-    int FPDFAPI_FlateGetAvailIn(void* context)
-    {
-        return ((z_stream*)context)->avail_in;
-    }
     void FPDFAPI_FlateEnd(void* context)
     {
         inflateEnd((z_stream*)context);
         ((z_stream*)context)->zfree(0, context);
     }
-    void FPDFAPI_FlateCompress(unsigned char* dest_buf, unsigned long* dest_size, const unsigned char* src_buf, unsigned long src_size)
-    {
-        compress(dest_buf, dest_size, src_buf, src_size);
-    }
-}
+}  // extern "C"
+
 class CLZWDecoder
 {
 public:
     FX_BOOL Decode(uint8_t* output, FX_DWORD& outlen, const uint8_t* input, FX_DWORD& size, FX_BOOL bEarlyChange);
 private:
     FX_DWORD    m_InPos;
     FX_DWORD    m_OutPos;
     uint8_t*    m_pOutput;
     const uint8_t*      m_pInput;
     FX_BOOL             m_Early;
@@ skipping 815 matching lines @@
 }
 FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, FX_DWORD& dest_size)
 {
     dest_size = src_size + src_size / 1000 + 12;
     dest_buf = FX_Alloc( uint8_t, dest_size);
     unsigned long temp_size = dest_size;
     FPDFAPI_FlateCompress(dest_buf, &temp_size, src_buf, src_size);
     dest_size = (FX_DWORD)temp_size;
     return TRUE;
 }