Differences From Artifact [ebd6df1f69]:
- Executable file
leakcheck/check-malloc-free.sh
— part of check-in
[709b50760d]
at
2010-05-15 00:34:57
on branch trunk
— Added line numbers to debugging output
Added overloaded debugging strdup to check for leaks (user: rkeene, size: 1317) [annotate] [blame] [check-ins using]
- Executable file
leakcheck/leakcheck
— part of check-in
[168d86b82b]
at
2010-05-15 00:48:38
on branch trunk
— Renamed leakcheck tool
Added documentation for leakcheck tool (user: rkeene, size: 1317) [annotate] [blame] [check-ins using]
To Artifact [eea3ae5a09]:
- Executable file leakcheck/leakcheck — part of check-in [9cf62b20d5] at 2010-05-15 00:56:39 on branch trunk — Updated leakcheck to require a filename as parameter (user: rkeene, size: 1572) [annotate] [blame] [check-ins using]
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#! /bin/bash
TMPFILE="${TMPDIR:-/tmp}/malloc-free-check-$$${RANDOM}${RANDOM}${RANDOM}.tmp"
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#! /bin/bash
LEAKCHECKFILE="$1"
TMPFILE="${TMPDIR:-/tmp}/malloc-free-check-$$${RANDOM}${RANDOM}${RANDOM}.tmp"
export LEAKCHECKFILE TMPFILE
if [ -z "${LEAKCHECKFILE}" ]; then
echo "Usage: leakcheck <filename>" >&2
echo " filename Name of file containing debugging output" >&2
exit 1
fi
egrep '(MALLOC|FREE|REALLOC)' "${LEAKCHECKFILE}" | sed 's@^.*FREE(\(0x[0-9a-f]*\)).*$@free \1@;s@^.*MALLOC() = @malloc @;s@^.*REALLOC(\(0x[0-9a-f]*\)) = @realloc \1 @' > "${TMPFILE}"
cat "${TMPFILE}" | while read op addr newaddr; do
case "${op}" in
malloc)
if [ -z "${alloclist}" ]; then
alloclist="${addr}"
else
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done | tail -1 | while read leftovers; do
for leftover in ${leftovers}; do
case "${leftover}" in
!*)
leftover="$(echo "${leftover}" | cut -c 2-)"
echo "Double freed or never allocated ${leftover}:"
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done | tail -1 | while read leftovers; do
for leftover in ${leftovers}; do
case "${leftover}" in
!*)
leftover="$(echo "${leftover}" | cut -c 2-)"
echo "Double freed or never allocated ${leftover}:"
grep "${leftover}" "${LEAKCHECKFILE}" | sed 's@^@ @'
echo ''
;;
*)
echo "Unfreed memory ${leftover}:"
grep "${leftover}" "${LEAKCHECKFILE}" | sed 's@^@ @'
echo ''
;;
esac
done
done
rm -f "${TMPFILE}"
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