annotate libtests/clean.sh @ 412:223eda8408e1 api-inversion

Fix the last compiler warning.

Bah.  A 26-line comment to explain a one-line change will not do any
good for the code deletion metric of productivity.  However, I have
learnt something today: specifically, the arithmetic type conversion
rules in C.  Wow.  I had been beginning to think that C programming
wasn't so bad after all: simple, clean semantics, and very little going
on under the hood; nothing there to help the programmer, but nothing
much to actively get in the way.  And then I spend an hour on this.

#! /bin/sh

for file in [0-9][0-9][0-9][0-9]*; do
  if [ -d ${file} ]; then
    echo Cleaning ${file}
    rm -f ${file}/test*
    (cd ${file} && make -f ../libtest.mk clean >/dev/null 2>&1)
    if [ -f ${file}/clean.sh ]; then
      (cd ${file} && sh ./clean.sh)
    fi
  fi
done