mbedtls/tests/scripts/check-names.sh
Gilles Peskine ef39c49cd7 Print a command trace if the check-names.sh exits unexpectedly
We've observed that sometimes check-names.sh exits unexpectedly with
status 2 and no error message. The failure is not reproducible. This
commits makes the script print a trace if it exits unexpectedly.
2019-05-15 17:41:27 +02:00

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#!/bin/sh
#
# This file is part of mbed TLS (https://tls.mbed.org)
#
# Copyright (c) 2015-2016, ARM Limited, All Rights Reserved
#
# Purpose
#
# This script confirms that the naming of all symbols and identifiers in mbed
# TLS are consistent with the house style and are also self-consistent.
#
set -eu
if grep --version|head -n1|grep GNU >/dev/null; then :; else
echo "This script requires GNU grep.">&2
exit 1
fi
trace=
if [ $# -ne 0 ] && [ "$1" = "-v" ]; then
shift
trace='-x'
exec 2>check-names.err
trap 'echo "FAILED UNEXPECTEDLY, status=$?";
cat check-names.err' EXIT
set -x
fi
printf "Analysing source code...\n"
sh $trace tests/scripts/list-macros.sh
tests/scripts/list-enum-consts.pl
sh $trace tests/scripts/list-identifiers.sh
sh $trace tests/scripts/list-symbols.sh
FAIL=0
printf "\nExported symbols declared in header: "
UNDECLARED=$( diff exported-symbols identifiers | sed -n -e 's/^< //p' )
if [ "x$UNDECLARED" = "x" ]; then
echo "PASS"
else
echo "FAIL"
echo "$UNDECLARED"
FAIL=1
fi
diff macros identifiers | sed -n -e 's/< //p' > actual-macros
for THING in actual-macros enum-consts; do
printf "Names of $THING: "
test -r $THING
BAD=$( grep -v '^MBEDTLS_[0-9A-Z_]*[0-9A-Z]$\|^YOTTA_[0-9A-Z_]*[0-9A-Z]$' $THING || true )
if [ "x$BAD" = "x" ]; then
echo "PASS"
else
echo "FAIL"
echo "$BAD"
FAIL=1
fi
done
for THING in identifiers; do
printf "Names of $THING: "
test -r $THING
BAD=$( grep -v '^mbedtls_[0-9a-z_]*[0-9a-z]$' $THING || true )
if [ "x$BAD" = "x" ]; then
echo "PASS"
else
echo "FAIL"
echo "$BAD"
FAIL=1
fi
done
printf "Likely typos: "
sort -u actual-macros enum-consts > _caps
HEADERS=$( ls include/mbedtls/*.h | egrep -v 'compat-1\.3\.h' )
NL='
'
sed -n 's/MBED..._[A-Z0-9_]*/\'"$NL"'&\'"$NL"/gp \
$HEADERS library/*.c \
| grep MBEDTLS | sort -u > _MBEDTLS_XXX
TYPOS=$( diff _caps _MBEDTLS_XXX | sed -n 's/^> //p' \
| egrep -v 'XXX|__|_$|^MBEDTLS_.*CONFIG_FILE$' || true )
rm _MBEDTLS_XXX _caps
if [ "x$TYPOS" = "x" ]; then
echo "PASS"
else
echo "FAIL"
echo "$TYPOS"
FAIL=1
fi
if [ -n "$trace" ]; then
set +x
trap - EXIT
rm check-names.err
fi
printf "\nOverall: "
if [ "$FAIL" -eq 0 ]; then
rm macros actual-macros enum-consts identifiers exported-symbols
echo "PASSED"
exit 0
else
echo "FAILED"
exit 1
fi