# HG changeset patch
# User mas01cr
# Date 1217950450 0
# Node ID 8cec6eb40526c942c2c970d1695f79c388dc8925
# Parent  2d6efbe56bb892fc7e02ce0155d68f93438c1ac3
Guard against too-short tracks.  Fixes a segfault on attempting to index
the AWAL.frames1.mfcc20.adb with default parameters.

diff -r 2d6efbe56bb8 -r 8cec6eb40526 index.cpp
--- a/index.cpp	Tue Aug 05 13:38:36 2008 +0000
+++ b/index.cpp	Tue Aug 05 15:34:10 2008 +0000
@@ -226,7 +226,20 @@
 
 int audioDB::index_insert_track(Uns32T trackID, double** fvpp, double** snpp, double** sppp){
   // Loop over the current input track's vectors
-  Uns32T numVecs = (trackTable[trackID]>O2_MAXTRACKLEN?O2_MAXTRACKLEN:trackTable[trackID]) - sequenceLength + 1 ;
+  Uns32T numVecs = 0;
+  if (trackTable[trackID] > O2_MAXTRACKLEN) {
+    if (O2_MAXTRACKLEN < sequenceLength - 1) {
+      numVecs = 0;
+    } else {
+      numVecs = O2_MAXTRACKLEN - sequenceLength + 1;
+    }
+  } else {
+    if (trackTable[trackID] < sequenceLength - 1) {
+      numVecs = 0;
+    } else {
+      numVecs = trackTable[trackID] - sequenceLength + 1;
+    }
+  }
   vv = index_initialize_shingles(numVecs);
 
   for( Uns32T pointID = 0 ; pointID < numVecs; pointID++ )