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prevent segfault caused by bitidx++#80
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tdicola merged 1 commit intoadafruit:masterfrom May 31, 2014
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This patch modifies Adafruit_DHT_Driver/Adafruit_DHT.c so that the code that increments `bitidx` without bound is protected by #ifdef DEBUG. This prevents this code from generating a segfault if readDHT is called several times (which will ultimately cause bitidx to increment beyond the end of the bits array). Resolves github issue adafruit#78.
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Thanks for sending the pull request. I just started looking at the DHT sensors and this looks like a good quick fix to take so folks don't run into issues adapting the code to something that runs continuously. I tried the change in a modified version of the example which continually grabs a reading and sleeps for a second--no stability issues with the fix. Thanks! |
tdicola
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prevent segfault caused by bitidx++
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This patch modifies Adafruit_DHT_Driver/Adafruit_DHT.c so that the code
that increments
bitidxwithout bound is protected by #ifdef DEBUG.This prevents this code from generating a segfault if readDHT is called several
times (which will ultimately cause bitidx to increment beyond the end of the
bits array).
Resolves github issue #78.