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Arithmetic expression evaluator as pseudo device.
C
branch: master

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.gitignore
Makefile
README.md
buffer.c
buffer.h
main.c
malloc.c
malloc.h
parser.c
parser.h
parser.leg

README.md

KCalc: simple kernel calculator module

Usage

echo "1 + 1" > /dev/kcalc
cat /dev/kcalc

write the pseudo /dev/kcalc device with the expression, then you can get result simply with counterpart system call read.

TODO

  • Read/Write lock
  • Permission FIX
  • Blocked read
  • Larger tests
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