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diff --git a/libSYS/src/conv_string.cpp b/libSYS/src/conv_string.cpp
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--- a/libSYS/src/conv_string.cpp
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-
-/* -----------------------------------------------------------------------------------------------------------
-Software License for The Fraunhofer FDK AAC Codec Library for Android
-
-© Copyright  1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
-  All rights reserved.
-
- 1.    INTRODUCTION
-The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements
-the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio.
-This FDK AAC Codec software is intended to be used on a wide variety of Android devices.
-
-AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual
-audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by
-independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part
-of the MPEG specifications.
-
-Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer)
-may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners
-individually for the purpose of encoding or decoding bit streams in products that are compliant with
-the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license
-these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec
-software may already be covered under those patent licenses when it is used for those licensed purposes only.
-
-Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality,
-are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional
-applications information and documentation.
-
-2.    COPYRIGHT LICENSE
-
-Redistribution and use in source and binary forms, with or without modification, are permitted without
-payment of copyright license fees provided that you satisfy the following conditions:
-
-You must retain the complete text of this software license in redistributions of the FDK AAC Codec or
-your modifications thereto in source code form.
-
-You must retain the complete text of this software license in the documentation and/or other materials
-provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form.
-You must make available free of charge copies of the complete source code of the FDK AAC Codec and your
-modifications thereto to recipients of copies in binary form.
-
-The name of Fraunhofer may not be used to endorse or promote products derived from this library without
-prior written permission.
-
-You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec
-software or your modifications thereto.
-
-Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software
-and the date of any change. For modified versions of the FDK AAC Codec, the term
-"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term
-"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android."
-
-3.    NO PATENT LICENSE
-
-NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer,
-ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with
-respect to this software.
-
-You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized
-by appropriate patent licenses.
-
-4.    DISCLAIMER
-
-This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors
-"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties
-of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages,
-including but not limited to procurement of substitute goods or services; loss of use, data, or profits,
-or business interruption, however caused and on any theory of liability, whether in contract, strict
-liability, or tort (including negligence), arising in any way out of the use of this software, even if
-advised of the possibility of such damage.
-
-5.    CONTACT INFORMATION
-
-Fraunhofer Institute for Integrated Circuits IIS
-Attention: Audio and Multimedia Departments - FDK AAC LL
-Am Wolfsmantel 33
-91058 Erlangen, Germany
-
-www.iis.fraunhofer.de/amm
-amm-info@iis.fraunhofer.de
------------------------------------------------------------------------------------------------------------ */
-
-/**************************  Fraunhofer IIS FDK SysLib  **********************
-
-   Author(s):
-   Description: string conversion functions
-
-******************************************************************************/
-
-
-
-#include "genericStds.h"
-#include "conv_string.h"
-
-INT charBuf2HexString(char *string, UCHAR *charBuf, INT charBufLength)
-{
-  INT i;
-  UCHAR c1, c2;
-
-  /* sanity checks */
-  /* check array length */
-  if (charBufLength == 0) {
-    return -1;
-  }
-
-  /* define hex string Table */
-  UCHAR hexSymb[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
-
-  /* calculate corresponding hex string from charBuffer */
-  for (i=0;i<charBufLength;i++) {
-    c1 = ((charBuf[i])>>4)&0x0f; /* upper nibble */
-    c2 = (charBuf[i])&0x0f;      /* lower nibble */
-
-    string[i*2]   = hexSymb[c1];  /* convert to string */
-    string[i*2+1] = hexSymb[c2];  /* convert to string */
-  }
-
-  /* terminate string */
-  string[charBufLength<<1]='\0';
-
-  return 0;
-
-}
-
-INT hexString2CharBuf(const char *string, UCHAR *charBuf, UINT charBufLength)
-{
-  UINT i, k = 0;
-  UCHAR hNibble, lNibble;
-
-  /* sanity checks */
-  if (string[0] == '\0') {
-    return -1; /* invalid string size */
-  }
-
-  if (charBufLength<=0){
-    return -2; /* invalid buffer size */
-  }
-
-  /* convert to hex characters to corresponding 8bit value */
-  for (i=0;(string[i]!='\0')&&((i>>1)<charBufLength);i+=2) {
-    k = i>>1;
-    hNibble = hexChar2Dec(string[i]);
-    lNibble = hexChar2Dec(string[i+1]);
-    if ((hNibble == 16) || (lNibble == 16)) {
-      return -3; /* invalid character */
-    }
-    charBuf[k] = ((hNibble<<4)&0xf0) + lNibble;
-  }
-
-  /* check if last character was string terminator */
-  if ((string[i-2]!=0) && (string[i]!=0)) {
-    return -1; /* invalid string size */
-  }
-
-  /* fill charBuffer with zeros */
-  for (i=k+1;i<charBufLength;i++) {
-    charBuf[i] = 0;
-  }
-
-  return 0;
-
-}
-
-UCHAR hexChar2Dec(const char c)
-{
-  INT r = 0;
-  if ((c >= '0') && (c <= '9'))
-    r = c-'0';
-  else if ((c >= 'a') && (c <= 'f'))
-    r = c-'a'+10;
-  else if ((c >= 'A') && (c <= 'F'))
-    r = c-'A'+10;
-  else
-    r = 16; /* invalid hex character */
-
-  return (UCHAR)r;
-}
-