Update audio code to use size_t more correctly,

webrtc/modules/audio_coding/codecs/g711/test/testG711.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
 /*
  * testG711.cpp : Defines the entry point for the console application.
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 /* include API */
 #include "g711_interface.h"
 
 /* Runtime statistics */
 #include <time.h>
 #define CLOCKS_PER_SEC_G711 1000
 
 /* function for reading audio data from PCM file */
-bool readframe(int16_t* data, FILE* inp, int length) {
-  short rlen = (short) fread(data, sizeof(int16_t), length, inp);
+bool readframe(int16_t* data, FILE* inp, size_t length) {
+  size_t rlen = fread(data, sizeof(int16_t), length, inp);
   if (rlen >= length)
     return false;
   memset(data + rlen, 0, (length - rlen) * sizeof(int16_t));
   return true;
 }
 
 int main(int argc, char* argv[]) {
   char inname[80], outname[40], bitname[40];
   FILE* inp;
   FILE* outp;
   FILE* bitp = NULL;
   int framecnt;
   bool endfile;
 
-  int16_t framelength = 80;
-
-  int err;
+  size_t framelength = 80;
 
   /* Runtime statistics */
   double starttime;
   double runtime;
   double length_file;
 
-  int16_t stream_len = 0;
+  size_t stream_len = 0;
   int16_t shortdata[480];
   int16_t decoded[480];
   uint8_t streamdata[1000];
   int16_t speechType[1];
   char law[2];
   char versionNumber[40];
 
   /* handling wrong input arguments in the command line */
   if ((argc != 5) && (argc != 6)) {
     printf("\n\nWrong number of arguments or flag values.\n\n");
@@ skipping 10 matching lines @@
     exit(0);
 
   }
 
   /* Get version and print */
   WebRtcG711_Version(versionNumber, 40);
 
   printf("-----------------------------------\n");
   printf("G.711 version: %s\n\n", versionNumber);
   /* Get frame length */
-  framelength = atoi(argv[1]);
-  if (framelength < 0) {
-    printf("  G.711: Invalid framelength %d.\n", framelength);
-    exit(1);
+  int framelength_int = atoi(argv[1]);
+  if (framelength_int < 0) {
+      printf("  G.722: Invalid framelength %d.\n", framelength_int);
+      exit(1);
   }
+  framelength = static_cast<size_t>(framelength_int);
 
   /* Get compression law */
   strcpy(law, argv[2]);
 
   /* Get Input and Output files */
   sscanf(argv[3], "%s", inname);
   sscanf(argv[4], "%s", outname);
   if (argc == 6) {
     sscanf(argv[5], "%s", bitname);
     if ((bitp = fopen(bitname, "wb")) == NULL) {
@@ skipping 25 matching lines @@
     /* Read speech block */
     endfile = readframe(shortdata, inp, framelength);
 
     /* G.711 encoding */
     if (!strcmp(law, "A")) {
       /* A-law encoding */
       stream_len = WebRtcG711_EncodeA(shortdata, framelength, streamdata);
       if (argc == 6) {
         /* Write bits to file */
         if (fwrite(streamdata, sizeof(unsigned char), stream_len, bitp) !=
-            static_cast<size_t>(stream_len)) {
+            stream_len) {
           return -1;
         }
       }
-      err = WebRtcG711_DecodeA(streamdata, stream_len, decoded,
-                               speechType);
+      WebRtcG711_DecodeA(streamdata, stream_len, decoded, speechType);
     } else if (!strcmp(law, "u")) {
       /* u-law encoding */
       stream_len = WebRtcG711_EncodeU(shortdata, framelength, streamdata);
       if (argc == 6) {
         /* Write bits to file */
         if (fwrite(streamdata, sizeof(unsigned char), stream_len, bitp) !=
-            static_cast<size_t>(stream_len)) {
+            stream_len) {
           return -1;
         }
       }
-      err = WebRtcG711_DecodeU(streamdata, stream_len, decoded, speechType);
+      WebRtcG711_DecodeU(streamdata, stream_len, decoded, speechType);
     } else {
       printf("Wrong law mode\n");
       exit(1);
     }
-    if (stream_len < 0 || err < 0) {
-      /* exit if returned with error */
-      printf("Error in encoder/decoder\n");
-    } else {
-      /* Write coded speech to file */
-      if (fwrite(decoded, sizeof(short), framelength, outp) !=
-          static_cast<size_t>(framelength)) {
-        return -1;
-      }
+    /* Write coded speech to file */
+    if (fwrite(decoded, sizeof(short), framelength, outp) != framelength) {
+      return -1;
     }
   }
 
   runtime = (double)(clock() / (double) CLOCKS_PER_SEC_G711 - starttime);
   length_file = ((double) framecnt * (double) framelength / 8000);
   printf("\n\nLength of speech file: %.1f s\n", length_file);
   printf("Time to run G.711:      %.2f s (%.2f %% of realtime)\n\n",
          runtime,
          (100 * runtime / length_file));
   printf("---------------------END----------------------\n");
 
   fclose(inp);
   fclose(outp);
 
   return 0;
 }