diff --git a/applications/jpip/libopenjpip/auxtrans_manager.c b/applications/jpip/libopenjpip/auxtrans_manager.c
index 2c3551bb..91c06ac4 100644
--- a/applications/jpip/libopenjpip/auxtrans_manager.c
+++ b/applications/jpip/libopenjpip/auxtrans_manager.c
@@ -90,7 +90,7 @@ typedef struct aux_response_param{
 #endif
 } aux_response_param_t;
 
-aux_response_param_t * gene_auxresponse( bool istcp, auxtrans_param_t auxtrans, char cid[], void *data, OPJ_SIZE_T datalen, OPJ_SIZE_T maxlenPerFrame);
+aux_response_param_t * gene_auxresponse( bool istcp, auxtrans_param_t auxtrans, const char cid[], void *data, OPJ_SIZE_T datalen, OPJ_SIZE_T maxlenPerFrame);
 
 void delete_auxresponse( aux_response_param_t **auxresponse);
 
@@ -101,7 +101,7 @@ unsigned __stdcall aux_streaming( void *arg);
 void * aux_streaming( void *arg);
 #endif
 
-void send_responsedata_on_aux( bool istcp, auxtrans_param_t auxtrans, char cid[], void *data, OPJ_SIZE_T datalen, OPJ_SIZE_T maxlenPerFrame)
+void send_responsedata_on_aux( bool istcp, auxtrans_param_t auxtrans, const char cid[], void *data, OPJ_SIZE_T datalen, OPJ_SIZE_T maxlenPerFrame)
 {
   aux_response_param_t *auxresponse;
 #ifdef _WIN32
@@ -133,7 +133,7 @@ void send_responsedata_on_aux( bool istcp, auxtrans_param_t auxtrans, char cid[]
     fprintf( FCGI_stderr, "Error: error in send_responsedata_on_aux(), udp not implemented\n");
 }
 
-aux_response_param_t * gene_auxresponse( bool istcp, auxtrans_param_t auxtrans, char cid[], void *data, OPJ_SIZE_T datalen, OPJ_SIZE_T maxlenPerFrame)
+aux_response_param_t * gene_auxresponse( bool istcp, auxtrans_param_t auxtrans, const char cid[], void *data, OPJ_SIZE_T datalen, OPJ_SIZE_T maxlenPerFrame)
 {
   aux_response_param_t *auxresponse;
 
diff --git a/applications/jpip/libopenjpip/auxtrans_manager.h b/applications/jpip/libopenjpip/auxtrans_manager.h
index 5486aba0..dbf35d50 100644
--- a/applications/jpip/libopenjpip/auxtrans_manager.h
+++ b/applications/jpip/libopenjpip/auxtrans_manager.h
@@ -67,6 +67,6 @@ void close_aux_transport( auxtrans_param_t auxtrans);
  * @param[in] length         length of data
  * @param[in] maxlenPerFrame maximum data length to send per frame
  */
-void send_responsedata_on_aux( bool istcp, auxtrans_param_t auxtrans, char cid[], void *data, OPJ_SIZE_T length, OPJ_SIZE_T maxlenPerFrame);
+void send_responsedata_on_aux( bool istcp, auxtrans_param_t auxtrans, const char cid[], void *data, OPJ_SIZE_T length, OPJ_SIZE_T maxlenPerFrame);
 
 #endif /* !AUXTRANS_MANAGER_H_ */
diff --git a/applications/jpip/libopenjpip/channel_manager.c b/applications/jpip/libopenjpip/channel_manager.c
index 0899d2ad..313f8ced 100644
--- a/applications/jpip/libopenjpip/channel_manager.c
+++ b/applications/jpip/libopenjpip/channel_manager.c
@@ -60,7 +60,7 @@ channellist_param_t * gene_channellist(void)
 channel_param_t * gene_channel( query_param_t query_param, auxtrans_param_t auxtrans, cachemodel_param_t *cachemodel, channellist_param_t *channellist)
 {
   channel_param_t *channel;
-  char transport[4][10] = { "non", "http", "http-tcp", "http-udp"};
+  const char transport[4][10] = { "non", "http", "http-tcp", "http-udp"};
   
   if( !cachemodel){
     fprintf( FCGI_stdout, "Status: 404\r\n"); 
@@ -160,7 +160,7 @@ void print_allchannel( channellist_param_t *channellist)
   }
 }
 
-channel_param_t * search_channel( char cid[], channellist_param_t *channellist)
+channel_param_t * search_channel( const char cid[], channellist_param_t *channellist)
 {
   channel_param_t *foundchannel;
 
diff --git a/applications/jpip/libopenjpip/channel_manager.h b/applications/jpip/libopenjpip/channel_manager.h
index 54024970..79cc0160 100644
--- a/applications/jpip/libopenjpip/channel_manager.h
+++ b/applications/jpip/libopenjpip/channel_manager.h
@@ -116,5 +116,5 @@ void print_allchannel( channellist_param_t *channellist);
  * @param[in] channellist channel list pointer
  * @return                found channel pointer
  */
-channel_param_t * search_channel( char cid[], channellist_param_t *channellist);
+channel_param_t * search_channel( const char cid[], channellist_param_t *channellist);
 #endif 	    /* !CHANNEL_MANAGER_H_ */
diff --git a/applications/jpip/libopenjpip/imgsock_manager.c b/applications/jpip/libopenjpip/imgsock_manager.c
index 1ba95f51..612cb378 100644
--- a/applications/jpip/libopenjpip/imgsock_manager.c
+++ b/applications/jpip/libopenjpip/imgsock_manager.c
@@ -65,7 +65,8 @@ msgtype_t identify_clientmsg( SOCKET connected_socket)
 
 Byte_t * receive_JPIPstream( SOCKET connected_socket, char **target, char **tid, char **cid, OPJ_SIZE_T *streamlen)
 {
-  char buf[BUF_LEN], versionstring[] = "version 1.2";
+  char buf[BUF_LEN];
+  const char versionstring[] = "version 1.2";
   int idatalen;
   OPJ_SIZE_T linelen, datalen;
   Byte_t *jpipstream;
diff --git a/applications/jpip/libopenjpip/jpipstream_manager.c b/applications/jpip/libopenjpip/jpipstream_manager.c
index c557a3a0..8cb2a77f 100644
--- a/applications/jpip/libopenjpip/jpipstream_manager.c
+++ b/applications/jpip/libopenjpip/jpipstream_manager.c
@@ -77,7 +77,7 @@ Byte_t * jpipstream_to_pnm( Byte_t *jpipstream, msgqueue_param_t *msgqueue, Byte
   Byte_t *j2kstream; /* j2k or jp2 codestream */
   Byte8_t j2klen;
   FILE *fp;
-  char j2kfname[] = "tmp.j2k";
+  const char j2kfname[] = "tmp.j2k";
 
   j2kstream = recons_j2k( msgqueue, jpipstream, csn, fw, fh, &j2klen); 
 
diff --git a/applications/jpip/libopenjpip/openjpip.c b/applications/jpip/libopenjpip/openjpip.c
index ab1ad25a..de6293d4 100644
--- a/applications/jpip/libopenjpip/openjpip.c
+++ b/applications/jpip/libopenjpip/openjpip.c
@@ -75,7 +75,7 @@ void terminate_JPIPserver( server_record_t **rec)
   free( *rec);
 }
 
-QR_t * parse_querystring( char *query_string)
+QR_t * parse_querystring( const char *query_string)
 {
   QR_t *qr;
 
@@ -127,7 +127,7 @@ void add_EORmsg( int fd, QR_t *qr);
 void send_responsedata( server_record_t *rec, QR_t *qr)
 {
   int fd;
-  char tmpfname[] = "tmpjpipstream.jpp";
+  const char tmpfname[] = "tmpjpipstream.jpp";
   Byte_t *jpipstream;
   Byte8_t len_of_jpipstream;
 
@@ -321,7 +321,7 @@ jpip_dec_param_t * init_jpipdecoder( bool jp2)
 }
 
 
-bool fread_jpip( char fname[], jpip_dec_param_t *dec)
+bool fread_jpip( const char fname[], jpip_dec_param_t *dec)
 {
   int infd;
 
@@ -361,7 +361,7 @@ void decode_jpip( jpip_dec_param_t *dec)
     dec->jp2kstream = recons_j2k( dec->msgqueue, dec->jpipstream, dec->msgqueue->first->csn, 0, 0, &dec->jp2klen);  
 }
 
-bool fwrite_jp2k( char fname[], jpip_dec_param_t *dec)
+bool fwrite_jp2k( const char fname[], jpip_dec_param_t *dec)
 {
   int outfd;
   
diff --git a/applications/jpip/libopenjpip/openjpip.h b/applications/jpip/libopenjpip/openjpip.h
index fa37929c..a00b8b0c 100644
--- a/applications/jpip/libopenjpip/openjpip.h
+++ b/applications/jpip/libopenjpip/openjpip.h
@@ -104,7 +104,7 @@ void terminate_JPIPserver( server_record_t **rec);
  * @param[in]  query_string request query string
  * @return     initialized query/response data pointer
  */
-QR_t * parse_querystring( char *query_string);
+QR_t * parse_querystring( const char *query_string);
 
 /**
  * 2nd process; process JPIP request and construct message queue
@@ -245,7 +245,7 @@ void destroy_jpipdecoder( jpip_dec_param_t **dec);
  * @param[in]  dec   JPIP decoding parameters pointer
  * @return           true if succeed
  */
-bool fread_jpip( char fname[], jpip_dec_param_t *dec);
+bool fread_jpip( const char fname[], jpip_dec_param_t *dec);
 
 /**
  * Decode jpip codestream
@@ -261,7 +261,7 @@ void decode_jpip( jpip_dec_param_t *dec);
  * @param[in]  dec   JPIP decoding parameters pointer
  * @return           true if succeed
  */
-bool fwrite_jp2k( char fname[], jpip_dec_param_t *dec);
+bool fwrite_jp2k( const char fname[], jpip_dec_param_t *dec);
 
 /**
  * Option; print out parameter values to stderr
diff --git a/applications/jpip/libopenjpip/query_parser.c b/applications/jpip/libopenjpip/query_parser.c
index fc025935..460a5eb6 100644
--- a/applications/jpip/libopenjpip/query_parser.c
+++ b/applications/jpip/libopenjpip/query_parser.c
@@ -70,7 +70,7 @@ query_param_t * get_initquery(void);
  * @param[out] fieldval string to copy the field value, if not found, NULL
  * @return pointer to the next field string, if there is none, NULL
  */
-char * get_fieldparam( char *stringptr, char *fieldname, char *fieldval);
+char * get_fieldparam( const char *stringptr, char *fieldname, char *fieldval);
 
 void parse_cclose( char *src, query_param_t *query_param);
 void parse_metareq( char *field, query_param_t *query_param);
@@ -85,10 +85,11 @@ void parse_comps( char *field, query_param_t *query_param);
 /** maximum length of field value*/
 #define MAX_LENOFFIELDVAL 128
 
-query_param_t * parse_query( char *query_string)
+query_param_t * parse_query( const char *query_string)
 {
   query_param_t *query_param;
-  char *pquery, fieldname[MAX_LENOFFIELDNAME], fieldval[MAX_LENOFFIELDVAL];
+  const char *pquery;
+  char fieldname[MAX_LENOFFIELDNAME], fieldval[MAX_LENOFFIELDVAL];
 
   query_param = get_initquery();
   
@@ -194,7 +195,7 @@ query_param_t * get_initquery(void)
 }
 
 
-char * get_fieldparam( char *stringptr, char *fieldname, char *fieldval)
+char * get_fieldparam( const char *stringptr, char *fieldname, char *fieldval)
 {
   char *eqp, *andp, *nexfieldptr;
 
diff --git a/applications/jpip/libopenjpip/query_parser.h b/applications/jpip/libopenjpip/query_parser.h
index f72e16df..d60cafe6 100644
--- a/applications/jpip/libopenjpip/query_parser.h
+++ b/applications/jpip/libopenjpip/query_parser.h
@@ -77,7 +77,7 @@ typedef struct query_param{
  * @param[in]  query_string request query string
  * @return     pointer to query parameters
  */
-query_param_t * parse_query( char *query_string);
+query_param_t * parse_query( const char *query_string);
 
 /**
  * print query parameters
diff --git a/applications/jpip/libopenjpip/target_manager.c b/applications/jpip/libopenjpip/target_manager.c
index 6f97aee6..8b4763a5 100644
--- a/applications/jpip/libopenjpip/target_manager.c
+++ b/applications/jpip/libopenjpip/target_manager.c
@@ -74,7 +74,7 @@ targetlist_param_t * gene_targetlist(void)
  * @param[out] tmpfname new file name if filepath is a URL
  * @return              file descriptor
  */
-int open_jp2file( char filepath[], char tmpfname[]);
+int open_jp2file( const char filepath[], char tmpfname[]);
 
 target_param_t * gene_target( targetlist_param_t *targetlist, char *targetpath)
 {
@@ -215,7 +215,7 @@ void print_alltarget( targetlist_param_t *targetlist)
   }
 }
 
-target_param_t * search_target( char targetname[], targetlist_param_t *targetlist)
+target_param_t * search_target( const char targetname[], targetlist_param_t *targetlist)
 {
   target_param_t *foundtarget;
 
@@ -231,7 +231,7 @@ target_param_t * search_target( char targetname[], targetlist_param_t *targetlis
   return NULL;
 }
 
-target_param_t * search_targetBytid( char tid[], targetlist_param_t *targetlist)
+target_param_t * search_targetBytid( const char tid[], targetlist_param_t *targetlist)
 {
   target_param_t *foundtarget;
   
@@ -248,9 +248,9 @@ target_param_t * search_targetBytid( char tid[], targetlist_param_t *targetlist)
   return NULL;
 }
 
-int open_remotefile( char filepath[], char tmpfname[]);
+int open_remotefile( const char filepath[], char tmpfname[]);
 
-int open_jp2file( char filepath[], char tmpfname[])
+int open_jp2file( const char filepath[], char tmpfname[])
 {
   int fd;
   char *data;
@@ -300,7 +300,7 @@ int open_jp2file( char filepath[], char tmpfname[])
 static size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream);
 #endif
 
-int open_remotefile( char filepath[], char tmpfname[])
+int open_remotefile( const char filepath[], char tmpfname[])
 {
 #ifndef SERVER
   (void)filepath;
diff --git a/applications/jpip/libopenjpip/target_manager.h b/applications/jpip/libopenjpip/target_manager.h
index 47284dc2..275adc4a 100644
--- a/applications/jpip/libopenjpip/target_manager.h
+++ b/applications/jpip/libopenjpip/target_manager.h
@@ -143,7 +143,7 @@ void print_alltarget( targetlist_param_t *targetlist);
  * @param[in] targetlist target list pointer
  * @return               found target pointer
  */
-target_param_t * search_target( char targetname[], targetlist_param_t *targetlist);
+target_param_t * search_target( const char targetname[], targetlist_param_t *targetlist);
 
 
 /**
@@ -153,7 +153,7 @@ target_param_t * search_target( char targetname[], targetlist_param_t *targetlis
  * @param[in] targetlist target list pointer
  * @return               found target pointer
  */
-target_param_t * search_targetBytid( char tid[], targetlist_param_t *targetlist);
+target_param_t * search_targetBytid( const char tid[], targetlist_param_t *targetlist);
 
 #endif 	    /* !TARGET_MANAGER_H_ */
 
diff --git a/applications/jpip/util/addXMLinJP2.c b/applications/jpip/util/addXMLinJP2.c
index 6cb3c83e..ffb162e5 100644
--- a/applications/jpip/util/addXMLinJP2.c
+++ b/applications/jpip/util/addXMLinJP2.c
@@ -59,7 +59,7 @@
  * @param[in] filename file name string
  * @return             file descriptor
  */
-FILE * open_jp2file( char filename[]);
+FILE * open_jp2file( const char filename[]);
 
 
 /**
@@ -69,7 +69,7 @@ FILE * open_jp2file( char filename[]);
  * @param[out] fsize    file byte size
  * @return              pointer to the xml file content buffer
  */
-char * read_xmlfile( char filename[], long *fsize);
+char * read_xmlfile( const char filename[], long *fsize);
 
 int main(int argc, char *argv[])
 {
@@ -102,7 +102,7 @@ int main(int argc, char *argv[])
   return 0;
 }
 
-FILE * open_jp2file( char filename[])
+FILE * open_jp2file( const char filename[])
 {
   FILE *fp;
   char *data;
@@ -137,7 +137,7 @@ FILE * open_jp2file( char filename[])
   return fp;
 }
 
-char * read_xmlfile( char filename[], long *fsize)
+char * read_xmlfile( const char filename[], long *fsize)
 {
   FILE *fp;
   char *data;