tests/stat

#!/bin/sh

# Check how ftruncate, lseek and stat family syscalls are traced.

. "${srcdir=.}/init.sh"

check_strace
check_prog dd
check_prog find
check_prog grep
check_prog rm
check_prog timeout

umask 022
truncate_cmd='dd seek=46118400000 obs=1 count=0 if=/dev/null of=sample'
$truncate_cmd > check.log 2>&1 ||
	{ cat check.log; framework_skip_ 'failed to create a large sparse file'; }
rm -f sample

timeout -s 9 $check_timeout \
$STRACE -edesc $truncate_cmd 2>&1 > /dev/null 2> check.log &&
LC_ALL=C grep -x 'ftruncate\(64\)\?(1, 46118400000) \+= 0' check.log > /dev/null ||
	{ cat check.log; fail_ 'strace -edesc failed to trace ftruncate/ftruncate64 properly'; }

LC_ALL=C grep -x 'lseek(1, 46118400000, SEEK_CUR) \+= 46118400000\|_llseek(1, 46118400000, \[46118400000\], SEEK_CUR) \+= 0' check.log > /dev/null ||
	{ cat check.log; fail_ 'strace -edesc failed to trace lseek/_llseek properly'; }

timeout -s 9 $check_timeout \
$STRACE -efile find -L sample > /dev/null 2> check.log &&
LC_ALL=C grep -x 'stat\(64\)\?("sample", {st_mode=S_IFREG|0644, st_size=46118400000, \.\.\.}) \+= 0' check.log > /dev/null ||
	{ cat check.log; fail_ 'strace -efile failed to trace stat/stat64 properly'; }

timeout -s 9 $check_timeout \
$STRACE -efile find sample > /dev/null 2> check.log &&
LC_ALL=C grep '^[[:alnum:]_]*stat[[:alnum:]_]*([^()"]*"sample", {st_mode=S_IFREG|0644, st_size=46118400000, \.\.\.}' check.log > /dev/null ||
	{ cat check.log; fail_ 'strace -efile failed to trace newfstatat/fstatat64 properly'; }

exit 0