shithub: aubio

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src/pitch/pitchschmitt.c: avoid out of bound reads

--- a/src/pitch/pitchschmitt.c

+++ b/src/pitch/pitchschmitt.c

@@ -84,9 +84,9 @@

       t1 = (sint_t) (A1 * trigfact + 0.5);

       t2 = -(sint_t) (A2 * trigfact + 0.5);

       startpoint = 0;

-      for (j = 1; schmittBuffer[j] <= t1 && j < blockSize; j++);

-      for (; !(schmittBuffer[j] >= t2 &&

-              schmittBuffer[j + 1] < t2) && j < blockSize; j++);

+      for (j = 1; j < blockSize && schmittBuffer[j] <= t1; j++);

+      for (     ; j < blockSize - 1 && !(schmittBuffer[j] >= t2 &&

+             schmittBuffer[j + 1] < t2); j++);

       startpoint = j;

       schmittTriggered = 0;

       endpoint = startpoint + 1;