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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2019/07/15 21:19:08 UTC

[GitHub] [mynewt-core] andrzej-kaczmarek opened a new pull request #1915: libc/baselibc: Fix memset on ARM

andrzej-kaczmarek opened a new pull request #1915: libc/baselibc: Fix memset on ARM
URL: https://github.com/apache/mynewt-core/pull/1915
 
 
   If buffer is unaligned and fits in single word, the number of unaligned
   bytes at the end of buffer is calculated as a negative number. This
   causes memset to overwrite few bytes before actual buffer.
   
   To fix this we just need to check if calculated value is negative and
   use the other routine to fill unaligned bytes.

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