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#!/bin/sh
# Compare the two halves (user and group) of idcache.c.
# Once xformed, they'd better be the same:
pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
trap '(exit $?); exit $?' 1 2 13 15
srcdir=../..
framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
# Extract user-oriented functions.
perl -ne \
'print if /^static struct.*user_alist/ .. /^static struct.*group_alist/' \
$srcdir/idcache.c | head -n -3 > u
# Extract group-oriented functions.
perl -ne 'print if /^static struct.*group_alist/ .. eof' $srcdir/idcache.c > g
# Convert user-specific strings of "u" into corresponding group-specific strings
subst='
s/user_/group_/g;
s/\buser\b/group/g;
s/USER/GROUP/g;
s/\bu\b/g/g;
s/passwd/group/g;
s/pw_uid/gr_gid/g;
s/pwnam/grnam/g;
s/pwent/grent/g;
s/getpw/getgr/g;
s/pw_/gr_/g;
s/UID/GID/g;
s/uid/gid/g;
s/getuser/getgroup/;
s/login name/group name/;
s/to be the/to belong to/;
s/pwd fun/grp fun/;
'
fail=0
# Ensure that the transformed "u" is the same as g.
# Any differences here constitute an error.
perl -pe "$subst" u | diff -u - g || fail=1
exit $fail
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