strace/tests/statfs.test
Dmitry V. Levin 4176d533e0 fsmagic: sort array by value and use bsearch for faster lookup
* defs.h (xlat_search): New prototype.
* util.c (xlat_bsearch_compare, xlat_search): New functions.
* file.c (sprintfstype): Use xlat_search for fsmagic lookup.
* xlat/fsmagic.in: Sort by value and mark as not NULL-terminated.
* tests/statfs.c: New file.
* tests/statfs.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add statfs.
(statfs_CFLAGS): Define.
(TESTS): Add statfs.test.
* tests/.gitignore: Add statfs.
2014-09-22 00:31:06 +00:00

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#!/bin/sh
# Check how statfs/statfs64 syscalls are traced.
. "${srcdir=.}/init.sh"
check_prog grep
# this test probes /proc/self/status
[ -f /proc/self/status ] ||
framework_skip_ '/proc/self/status is not available'
./statfs ||
fail_ 'statfs failed'
args="-efile ./statfs"
$STRACE $args > $LOG 2>&1 || {
cat $LOG
fail_ "$STRACE $args failed"
}
grep_log()
{
local syscall="$1"; shift
LC_ALL=C grep -E -x "$syscall$*" $LOG > /dev/null || {
cat $LOG
fail_ "$STRACE $args failed to trace \"$syscall\" properly"
}
}
grep_log 'statfs(64)?' '\("/proc/self/status"(, [1-9][0-9]*)?, {f_type="PROC_SUPER_MAGIC", f_bsize=[1-9][0-9]*, f_blocks=[0-9]+, f_bfree=[0-9]+, f_bavail=[0-9]+, f_files=[0-9]+, f_ffree=[0-9]+, f_fsid={[0-9]+, [0-9]+}, f_namelen=[1-9][0-9]*(, f_frsize=[0-9]+)?(, f_flags=[0-9]+)?}\) += 0'
exit 0