diff options
| -rwxr-xr-x | tests/ls/stat-vs-dirent | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/ls/stat-vs-dirent b/tests/ls/stat-vs-dirent new file mode 100755 index 000000000..2e0c0282d --- /dev/null +++ b/tests/ls/stat-vs-dirent @@ -0,0 +1,59 @@ +#!/bin/sh +# Ensure that d_ino (from ls -di) and st_ino (from stat --format=%i) match. + +if test "$VERBOSE" = yes; then + set -x + ls --version +fi + +. $srcdir/../envvar-check + +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 + +framework_failure=0 +mkdir -p $tmp || framework_failure=1 +cd $tmp || framework_failure=1 + +if test $framework_failure = 1; then + echo "$0: failure in testing framework" 1>&2 + (exit 1); exit 1 +fi + +fail=0 + +root_dev_ino=`stat --format=%d-%i /` +t=`pwd` +while :; do + ls -i1 "$t" > tmp + if test $? = 0; then + # Extract the inode number from the first line of output from ls -i1. + # This value comes from dirent.d_ino, on systems with d_ino support. + d_ino=`sed -n '1s/^ *\([0-9][0-9]*\) .*/\1/p;q' tmp` + + # Extract the name of the corresponding directory entry. + file=`sed -n '1s/^ *[0-9][0-9]* *//p;q' tmp` + + # Get its inode number (stat.st_ino) via stat(1)'s call to lstat. + st_ino=`stat --format=%i "$t/$file"` + + # Make sure that they are the same. + # We know from experience that there may be mismatches on some + # buggy file systems, at mount points. + if test "$d_ino" != "$st_ino"; then + echo "$0: test failed: $t/$file: d_ino($d_ino) != st_ino($st_ino)" 1>&2 + echo "$0: This may indicate a flaw in your kernel or" \ + "file system implementation." 1>&2 + fail=1 + break + fi + fi + + t=`(cd "$t/.."; pwd)` + dev_ino=`stat --format=%d-%i "$t"` + test $dev_ino = $root_dev_ino && break +done + +(exit $fail); exit $fail |