Update audio code to use size_t more correctly,

webrtc/common_audio/signal_processing/copy_set_operations.c

 /*
  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 
 /*
  * This file contains the implementation of functions
  * WebRtcSpl_MemSetW16()
  * WebRtcSpl_MemSetW32()
  * WebRtcSpl_MemCpyReversedOrder()
  * WebRtcSpl_CopyFromEndW16()
  * WebRtcSpl_ZerosArrayW16()
  * WebRtcSpl_ZerosArrayW32()
  *
  * The description header can be found in signal_processing_library.h
  *
  */
 
 #include <string.h>
 #include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
 
 
-void WebRtcSpl_MemSetW16(int16_t *ptr, int16_t set_value, int length)
+void WebRtcSpl_MemSetW16(int16_t *ptr, int16_t set_value, size_t length)
 {
-    int j;
+    size_t j;
     int16_t *arrptr = ptr;
 
     for (j = length; j > 0; j--)
     {
         *arrptr++ = set_value;
     }
 }
 
-void WebRtcSpl_MemSetW32(int32_t *ptr, int32_t set_value, int length)
+void WebRtcSpl_MemSetW32(int32_t *ptr, int32_t set_value, size_t length)
 {
-    int j;
+    size_t j;
     int32_t *arrptr = ptr;
 
     for (j = length; j > 0; j--)
     {
         *arrptr++ = set_value;
     }
 }
 
-void WebRtcSpl_MemCpyReversedOrder(int16_t* dest, int16_t* source, int length)
+void WebRtcSpl_MemCpyReversedOrder(int16_t* dest,
+                                   int16_t* source,
+                                   size_t length)
 {
-    int j;
+    size_t j;
     int16_t* destPtr = dest;
     int16_t* sourcePtr = source;
 
     for (j = 0; j < length; j++)
     {
         *destPtr-- = *sourcePtr++;
     }
 }
 
 void WebRtcSpl_CopyFromEndW16(const int16_t *vector_in,
-                              int length,
-                              int samples,
+                              size_t length,
+                              size_t samples,
                               int16_t *vector_out)
 {
     // Copy the last <samples> of the input vector to vector_out
     WEBRTC_SPL_MEMCPY_W16(vector_out, &vector_in[length - samples], samples);
 }
 
-void WebRtcSpl_ZerosArrayW16(int16_t *vector, int length)
+void WebRtcSpl_ZerosArrayW16(int16_t *vector, size_t length)
 {
     WebRtcSpl_MemSetW16(vector, 0, length);
 }
 
-void WebRtcSpl_ZerosArrayW32(int32_t *vector, int length)
+void WebRtcSpl_ZerosArrayW32(int32_t *vector, size_t length)
 {
     WebRtcSpl_MemSetW32(vector, 0, length);
 }