Description: Modify data loading memory management to avoid crashes.

This patch fixes a crash in audsp in Festival and other

memory leaks.

Bug: #601294

Author: Samuel Thibault.

Forwarded: https://github.com/festvox/speech_tools/pull/7

--- a/base_class/rateconv.cc

+++ b/base_class/rateconv.cc

@@ -431,7 +431,7 @@ static int outmax;

 static int ioerr(void)

 {

-    delete g_coep;

+    delete[] g_coep;

     return -1;

 }

@@ -585,7 +585,7 @@ int rateconv(short *in,int isize, short

 	    return ioerr();

     } while (outsize == OUTBUFFSIZE); 

-    delete g_coep;

+    delete[] g_coep;

     *osize = outpos;

--- a/base_class/string/EST_String.cc

+++ b/base_class/string/EST_String.cc

@@ -329,6 +329,7 @@ int EST_String::gsub_internal (const cha

 	  p += length;

 	  at=end;

 	}

+   if (p != from+at)

       memcpy(p, from+at, size-at);

       p += size-at;

--- a/speech_class/EST_WaveFile.cc

+++ b/speech_class/EST_WaveFile.cc

@@ -90,7 +90,10 @@ EST_read_status load_using(standard_load

   if (status == read_ok)

     {

-      wv.values().set_memory(data, 0, nsamp, nchan, TRUE);

+      short *data2 = new short[nsamp*nchan];

+      memcpy(data2, data, nsamp*nchan*sizeof(short));

+      wfree(data);

+      wv.values().set_memory(data2, 0, nsamp, nchan, TRUE);

       wv.set_sample_rate(srate);

     }