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dirent.wo
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(module $dirent
(import "crt" "sp$" (global $crt:sp$ (mut i32)))
(import "crt" "memory" (memory $crt:memory 0))
(import "crt" "sp$" (global $crt:sp$ i32))
(import "wasi_snapshot_preview1" "fd_readdir" (func $wasi_snapshot_preview1:fd_readdir (param i32) (param i32) (param i32) (param i64) (param i32) (result i32)))
(import "string" "memcpy" (func $string:memcpy (param i32) (param i32) (param i32) (result i32)))
(import "string" "strcoll" (func $string:strcoll (param i32) (param i32) (result i32)))
(import "string" "memchr" (func $string:memchr (param i32) (param i32) (param i32) (result i32)))
(import "errno" "errno" (global $errno:errno i32))
(import "stdlib" "free" (func $stdlib:free (param i32)))
(import "stdlib" "malloc" (func $stdlib:malloc (param i32) (result i32)))
(import "stdlib" "realloc" (func $stdlib:realloc (param i32) (param i32) (result i32)))
(import "stdlib" "qsort" (func $stdlib:qsort (param i32) (param i32) (param i32) (param i32)))
(import "fcntl" "openat" (func $fcntl:openat (param i32) (param i32) (param i32) (result i32)))
(import "fcntl" "find_relpath" (func $fcntl:find_relpath (param i32) (param i32) (result i32)))
(import "unistd" "close" (func $unistd:close (param i32) (result i32)))
(func $dirent:fdopendir (export "fdopendir")
(param $fd i32) (result i32)
(local $dirp i32) (local $error i32) (local $i1$ i32) (local $i2$ i32) (local $i3$ i32) (local $i4$ i32) (local $i5$ i32) (local $i6$ i32) (local $i7$ i32)
i32.const 40
call $stdlib:malloc
local.tee $dirp
i32.const 0
i32.eq
if
i32.const 0
return
end
local.get $dirp
i32.const 16
i32.add
local.tee $i1$
i32.const 4096
call $stdlib:malloc
i32.store offset=0 align=4
local.get $dirp
i32.load offset=16 align=4
i32.const 0
i32.eq
if
local.get $dirp
call $stdlib:free
i32.const 0
return
end
local.get $fd
local.get $dirp
i32.load offset=16 align=4
i32.const 4096
i32.const 0
i64.extend_i32_u
local.get $dirp
i32.const 28
i32.add
call $wasi_snapshot_preview1:fd_readdir
local.tee $error
i32.const 65535
i32.and
i32.const 0
i32.ne
if
local.get $dirp
i32.load offset=16 align=4
call $stdlib:free
local.get $dirp
call $stdlib:free
local.get $error
i32.const 65535
i32.and
global.set $errno:errno
i32.const 0
return
end
local.get $dirp
local.tee $i2$
local.get $fd
i32.store offset=0 align=4
local.get $dirp
i32.const 8
i32.add
local.tee $i3$
i32.const 0
i64.extend_i32_u
i64.store offset=0 align=8
local.get $dirp
i32.const 20
i32.add
local.tee $i4$
i32.const 0
i32.store offset=0 align=4
local.get $dirp
i32.const 24
i32.add
local.tee $i5$
i32.const 4096
i32.store offset=0 align=4
local.get $dirp
i32.const 32
i32.add
local.tee $i6$
i32.const 0
i32.store offset=0 align=4
local.get $dirp
i32.const 36
i32.add
local.tee $i7$
i32.const 1
i32.store offset=0 align=4
local.get $dirp
return
)
(func $dirent:fdclosedir (export "fdclosedir")
(param $dirp i32) (result i32)
(local $fd i32)
local.get $dirp
i32.load offset=0 align=4
local.set $fd
local.get $dirp
i32.load offset=16 align=4
call $stdlib:free
local.get $dirp
i32.load offset=32 align=4
call $stdlib:free
local.get $dirp
call $stdlib:free
local.get $fd
return
)
(func $dirent:opendirat (export "opendirat")
(param $dirfd i32) (param $dirname i32) (result i32)
(local $fd i32) (local $result i32)
local.get $dirfd
local.get $dirname
i32.const 67117060
call $fcntl:openat
local.tee $fd
i32.const -1
i32.eq
if
i32.const 0
return
end
local.get $fd
call $dirent:fdopendir
local.tee $result
i32.const 0
i32.eq
if
local.get $fd
call $unistd:close
drop
end
local.get $result
return
)
(func $dirent:opendir (export "opendir")
(param $dirname i32) (result i32)
(local $dirfd i32) (local $bp$ i32) (local $fp$ i32)
global.get $crt:sp$
local.set $bp$
global.get $crt:sp$
i32.const 16
i32.sub
global.set $crt:sp$
global.get $crt:sp$
local.set $fp$
local.get $dirname
local.get $fp$
call $fcntl:find_relpath
local.tee $dirfd
i32.const -1
i32.eq
if
i32.const 76
global.set $errno:errno
i32.const 0
local.get $bp$
global.set $crt:sp$
return
end
local.get $dirfd
local.get $fp$
i32.load offset=0 align=4
call $dirent:opendirat
local.get $bp$
global.set $crt:sp$
return
)
(func $dirent:dirfd (export "dirfd")
(param $dirp i32) (result i32)
local.get $dirp
i32.load offset=0 align=4
return
)
(func $dirent:closedir (export "closedir")
(param $dirp i32) (result i32)
local.get $dirp
call $dirent:fdclosedir
call $unistd:close
return
)
(func $dirent:readdir (export "readdir")
(param $dirp i32) (result i32)
(local $buffer_left i32) (local $entry_size i32) (local $new_size i32) (local $new_buffer i32) (local $name i32) (local $new_size#6 i32) (local $new_buffer#7 i32) (local $dirent i32) (local $error i32) (local $bp$ i32) (local $fp$ i32) (local $i1$ i32) (local $i2$ i32) (local $i3$ i32) (local $i4$ i32) (local $i5$ i32) (local $i6$ i32) (local $i7$ i32) (local $i8$ i32) (local $i9$ i32) (local $i10$ i32) (local $i11$ i32) (local $i13$ i32) (local $i12$ i32) (local $i14$ i32)
global.get $crt:sp$
local.set $bp$
global.get $crt:sp$
i32.const 32
i32.sub
global.set $crt:sp$
global.get $crt:sp$
local.set $fp$
block $2$
loop $1$
i32.const 0
br_if $2$
block $3$
block $read_entries
local.get $dirp
i32.load offset=28 align=4
local.get $dirp
i32.load offset=20 align=4
i32.sub
local.tee $buffer_left
i32.const 24
i32.lt_u
if
local.get $dirp
i32.load offset=28 align=4
local.get $dirp
i32.load offset=24 align=4
i32.lt_u
if
i32.const 0
local.get $bp$
global.set $crt:sp$
return
end
br $read_entries
end
local.get $fp$
local.get $dirp
i32.load offset=16 align=4
local.get $dirp
i32.load offset=20 align=4
i32.add
i32.const 24
call $string:memcpy
drop
i32.const 24
local.get $fp$
i32.load offset=16 align=4
i32.add
local.set $entry_size
local.get $fp$
i32.load offset=16 align=4
i32.const 0
i32.eq
if
local.get $dirp
i32.const 20
i32.add
local.tee $i1$
local.get $i1$
i32.load offset=0 align=4
local.get $entry_size
i32.add
i32.store offset=0 align=4
br $3$
end
local.get $buffer_left
local.get $entry_size
i32.lt_u
if
local.get $dirp
i32.load offset=24 align=4
local.get $entry_size
i32.lt_u
if
local.get $dirp
i32.load offset=24 align=4
local.set $new_size
block $4$
loop $5$
local.get $new_size
local.get $entry_size
i32.lt_u
if
local.get $new_size
i32.const 2
i32.mul
local.set $new_size
br $5$
end
end $5$
end $4$
local.get $dirp
i32.load offset=16 align=4
local.get $new_size
call $stdlib:realloc
local.tee $new_buffer
i32.const 0
i32.eq
if
i32.const 0
local.get $bp$
global.set $crt:sp$
return
end
local.get $dirp
i32.const 16
i32.add
local.tee $i2$
local.get $new_buffer
i32.store offset=0 align=4
local.get $dirp
i32.const 24
i32.add
local.tee $i3$
local.get $new_size
i32.store offset=0 align=4
end
br $read_entries
end
local.get $dirp
i32.load offset=16 align=4
local.get $dirp
i32.load offset=20 align=4
i32.add
i32.const 24
i32.add
local.tee $name
i32.const 0
local.get $fp$
i32.load offset=16 align=4
call $string:memchr
i32.const 0
i32.ne
if
local.get $dirp
i32.const 20
i32.add
local.tee $i4$
local.get $i4$
i32.load offset=0 align=4
local.get $entry_size
i32.add
i32.store offset=0 align=4
br $3$
end
local.get $dirp
i32.load offset=36 align=4
i32.const 9
local.get $fp$
i32.load offset=16 align=4
i32.add
i32.const 1
i32.add
i32.lt_u
if
local.get $dirp
i32.load offset=36 align=4
local.set $new_size#6
block $6$
loop $7$
local.get $new_size#6
i32.const 9
local.get $fp$
i32.load offset=16 align=4
i32.add
i32.const 1
i32.add
i32.lt_u
if
local.get $new_size#6
i32.const 2
i32.mul
local.set $new_size#6
br $7$
end
end $7$
end $6$
local.get $dirp
i32.load offset=32 align=4
local.get $new_size#6
call $stdlib:realloc
local.tee $new_buffer#7
i32.const 0
i32.eq
if
i32.const 0
local.get $bp$
global.set $crt:sp$
return
end
local.get $dirp
i32.const 32
i32.add
local.tee $i5$
local.get $new_buffer#7
i32.store offset=0 align=4
local.get $dirp
i32.const 36
i32.add
local.tee $i6$
local.get $new_size#6
i32.store offset=0 align=4
end
local.get $dirp
i32.load offset=32 align=4
local.tee $dirent
local.tee $i7$
local.get $fp$
i64.load offset=8 align=8
i64.store offset=0 align=8
local.get $dirent
i32.const 8
i32.add
local.tee $i8$
local.get $fp$
i32.load8_u offset=20 align=1
i32.store8 offset=0 align=1
local.get $dirent
i32.const 9
i32.add
local.get $name
local.get $fp$
i32.load offset=16 align=4
call $string:memcpy
drop
local.get $dirent
i32.const 9
i32.add
local.get $fp$
i32.load offset=16 align=4
i32.add
local.tee $i9$
i32.const 0
i32.store8 offset=0 align=1
local.get $dirp
i32.const 8
i32.add
local.tee $i10$
local.get $fp$
i64.load offset=0 align=8
i64.store offset=0 align=8
local.get $dirp
i32.const 20
i32.add
local.tee $i11$
local.get $i11$
i32.load offset=0 align=4
local.get $entry_size
i32.add
i32.store offset=0 align=4
local.get $dirent
local.get $bp$
global.set $crt:sp$
return
end $read_entries
local.get $dirp
i32.const 28
i32.add
local.tee $i13$
local.get $dirp
i32.const 20
i32.add
local.tee $i12$
local.get $dirp
i32.load offset=24 align=4
i32.store offset=0 align=4
local.get $i12$
i32.load offset=0 align=4
i32.store offset=0 align=4
local.get $dirp
i32.load offset=0 align=4
local.get $dirp
i32.load offset=16 align=4
local.get $dirp
i32.load offset=24 align=4
local.get $dirp
i64.load offset=8 align=8
local.get $dirp
i32.const 28
i32.add
call $wasi_snapshot_preview1:fd_readdir
local.tee $error
i32.const 65535
i32.and
i32.const 0
i32.ne
if
local.get $error
i32.const 65535
i32.and
global.set $errno:errno
br $2$
end
local.get $dirp
i32.const 20
i32.add
local.tee $i14$
i32.const 0
i32.store offset=0 align=4
end $3$
br $1$
end $1$
end $2$
i32.const 0
local.get $bp$
global.set $crt:sp$
return
)
(func $dirent:rewinddir (export "rewinddir")
(param $dirp i32)
(local $i1$ i32) (local $i3$ i32) (local $i2$ i32)
local.get $dirp
i32.const 8
i32.add
local.tee $i1$
i32.const 0
i64.extend_i32_u
i64.store offset=0 align=8
local.get $dirp
i32.const 28
i32.add
local.tee $i3$
local.get $dirp
i32.const 20
i32.add
local.tee $i2$
local.get $dirp
i32.load offset=24 align=4
i32.store offset=0 align=4
local.get $i2$
i32.load offset=0 align=4
i32.store offset=0 align=4
return
)
(func $dirent:seekdir (export "seekdir")
(param $dirp i32) (param $loc i32)
(local $i1$ i32) (local $i3$ i32) (local $i2$ i32)
local.get $dirp
i32.const 8
i32.add
local.tee $i1$
local.get $loc
i64.extend_i32_u
i64.store offset=0 align=8
local.get $dirp
i32.const 28
i32.add
local.tee $i3$
local.get $dirp
i32.const 20
i32.add
local.tee $i2$
local.get $dirp
i32.load offset=24 align=4
i32.store offset=0 align=4
local.get $i2$
i32.load offset=0 align=4
i32.store offset=0 align=4
return
)
(func $dirent:telldir (export "telldir")
(param $dirp i32) (result i32)
local.get $dirp
i64.load offset=8 align=8
i32.wrap_i64
return
)
(func $dirent:sel_true
(param $de i32) (result i32)
i32.const 1
return
)
(func $dirent:scandirat (export "scandirat")
(param $dirfd i32) (param $dir i32) (param $namelist i32) (param $sel i32) (param $compar i32) (result i32)
(local $fd i32) (local $buffer_size i32) (local $buffer i32) (local $buffer_processed i32) (local $dirents i32) (local $dirents_size i32) (local $dirents_used i32) (local $cookie i64) (local $buffer_left i32) (local $entry_size i32) (local $new_buffer i32) (local $name i32) (local $dirent i32) (local $new_dirents i32) (local $error i32) (local $i i32) (local $bp$ i32) (local $fp$ i32) (local $i1$ i32) (local $i2$ i32) (local $i3$ i32) (local $i4$ i32) (local $i5$ i32) (local $i6$ i32)
global.get $crt:sp$
local.set $bp$
global.get $crt:sp$
i32.const 32
i32.sub
global.set $crt:sp$
global.get $crt:sp$
local.set $fp$
local.get $sel
i32.const 0
i32.eq
if
ref.func $dirent:sel_true
local.set $sel
end
local.get $dirfd
local.get $dir
i32.const 67117060
call $fcntl:openat
local.tee $fd
i32.const -1
i32.eq
if
i32.const -1
local.get $bp$
global.set $crt:sp$
return
end
i32.const 4096
local.tee $buffer_size
call $stdlib:malloc
local.tee $buffer
i32.const 0
i32.eq
if
local.get $fd
call $unistd:close
drop
i32.const -1
local.get $bp$
global.set $crt:sp$
return
end
block $bad
local.get $buffer_size
local.set $buffer_processed
local.get $fp$
local.tee $i1$
local.get $buffer_size
i32.store offset=0 align=4
i32.const 0
local.set $dirents
i32.const 0
local.set $dirents_size
i32.const 0
local.set $dirents_used
i32.const 0
i64.extend_i32_u
local.set $cookie
block $2$
loop $1$
i32.const 0
br_if $2$
block $3$
block $read_entries
local.get $fp$
i32.load offset=0 align=4
local.get $buffer_processed
i32.sub
local.tee $buffer_left
i32.const 24
i32.lt_u
if
local.get $fp$
i32.load offset=0 align=4
local.get $buffer_size
i32.lt_u
br_if $2$
br $read_entries
end
local.get $fp$
i32.const 8
i32.add
local.get $buffer
local.get $buffer_processed
i32.add
i32.const 24
call $string:memcpy
drop
i32.const 24
local.get $fp$
i32.load offset=24 align=4
i32.add
local.set $entry_size
local.get $fp$
i32.load offset=24 align=4
i32.const 0
i32.eq
if
local.get $buffer_processed
local.get $entry_size
i32.add
local.set $buffer_processed
br $3$
end
local.get $buffer_left
local.get $entry_size
i32.lt_u
if
block $4$
loop $5$
local.get $buffer_size
local.get $entry_size
i32.lt_u
if
local.get $buffer_size
i32.const 2
i32.mul
local.set $buffer_size
br $5$
end
end $5$
end $4$
local.get $buffer
local.get $buffer_size
call $stdlib:realloc
local.tee $new_buffer
i32.const 0
i32.eq
br_if $bad
local.get $new_buffer
local.set $buffer
br $read_entries
end
local.get $buffer
local.get $buffer_processed
i32.add
i32.const 24
i32.add
local.set $name
local.get $buffer_processed
local.get $entry_size
i32.add
local.set $buffer_processed
local.get $name
i32.const 0
local.get $fp$
i32.load offset=24 align=4
call $string:memchr
i32.const 0
i32.ne
br_if $3$
i32.const 9
local.get $fp$
i32.load offset=24 align=4
i32.add
i32.const 1
i32.add
call $stdlib:malloc
local.tee $dirent
i32.const 0
i32.eq
br_if $bad
local.get $dirent
local.tee $i2$
local.get $fp$
i64.load offset=16 align=8
i64.store offset=0 align=8
local.get $dirent
i32.const 8
i32.add
local.tee $i3$
local.get $fp$
i32.load8_u offset=28 align=1
i32.store8 offset=0 align=1
local.get $dirent
i32.const 9
i32.add
local.get $name
local.get $fp$
i32.load offset=24 align=4
call $string:memcpy
drop
local.get $dirent
i32.const 9
i32.add
local.get $fp$
i32.load offset=24 align=4
i32.add
local.tee $i4$
i32.const 0
i32.store8 offset=0 align=1
local.get $fp$
i64.load offset=8 align=8
local.set $cookie
local.get $dirent
local.get $sel
call_indirect (param i32) (result i32)
if
local.get $dirents_used
local.get $dirents_size
i32.eq
if
local.get $dirents_size
i32.const 8
i32.lt_u
if (result i32)
i32.const 8
else
local.get $dirents_size
i32.const 2
i32.mul
end
local.set $dirents_size
local.get $dirents
local.get $dirents_size
i32.const 4
i32.mul
call $stdlib:realloc
local.tee $new_dirents
i32.const 0
i32.eq
if
local.get $dirent
call $stdlib:free
br $bad
end
local.get $new_dirents
local.set $dirents
end
local.get $dirents
local.get $dirents_used
local.get $dirents_used
i32.const 1
i32.add
local.set $dirents_used
i32.const 4
i32.mul
i32.add
local.tee $i5$
local.get $dirent
i32.store offset=0 align=4
else
local.get $dirent
call $stdlib:free
end
br $3$
end $read_entries
local.get $fd
local.get $buffer
local.get $buffer_size
local.get $cookie
local.get $fp$
call $wasi_snapshot_preview1:fd_readdir
local.tee $error
i32.const 65535
i32.and
i32.const 0
i32.ne
if
local.get $error
i32.const 65535
i32.and
global.set $errno:errno
br $bad
end
i32.const 0
local.set $buffer_processed
end $3$
br $1$
end $1$
end $2$
local.get $buffer
call $stdlib:free
local.get $fd
call $unistd:close
drop
local.get $dirents
local.get $dirents_used
i32.const 4
local.get $compar
call $stdlib:qsort
local.get $namelist
local.tee $i6$
local.get $dirents
i32.store offset=0 align=4
local.get $dirents_used
local.get $bp$
global.set $crt:sp$
return
end $bad
block $7$
i32.const 0
local.set $i
loop $6$
local.get $i
local.get $dirents_used
i32.lt_u
i32.eqz
br_if $7$
block $8$
local.get $dirents
local.get $i
i32.const 4
i32.mul
i32.add
i32.load offset=0 align=4
call $stdlib:free
end $8$
local.get $i
i32.const 1
i32.add
local.set $i
br $6$
end $6$
end $7$
local.get $dirents
call $stdlib:free
local.get $buffer
call $stdlib:free
local.get $fd
call $unistd:close
drop
i32.const -1
local.get $bp$
global.set $crt:sp$
return
)
(func $dirent:scandir (export "scandir")
(param $dir i32) (param $namelist i32) (param $filter i32) (param $compar i32) (result i32)
(local $dirfd i32) (local $bp$ i32) (local $fp$ i32)
global.get $crt:sp$
local.set $bp$
global.get $crt:sp$
i32.const 16
i32.sub
global.set $crt:sp$
global.get $crt:sp$
local.set $fp$
local.get $dir
local.get $fp$
call $fcntl:find_relpath
local.tee $dirfd
i32.const -1
i32.eq
if
i32.const 76
global.set $errno:errno
i32.const -1
local.get $bp$
global.set $crt:sp$
return
end
local.get $dirfd
local.get $fp$
i32.load offset=0 align=4
local.get $namelist
local.get $filter
local.get $compar
call $dirent:scandirat
local.get $bp$
global.set $crt:sp$
return
)
(func $dirent:alphasort (export "alphasort")
(param $a i32) (param $b i32) (result i32)
local.get $a
i32.load offset=0 align=4
i32.const 9
i32.add
local.get $b
i32.load offset=0 align=4
i32.const 9
i32.add
call $string:strcoll
return
)
)