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_fusemodule.c
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/*
Copyright (C) 2001 Jeff Epler <[email protected]>
This program can be distributed under the terms of the GNU LGPL.
See the file COPYING.
Updated for libfuse API changes
2004 Steven James <[email protected]> and
Linux Labs International, Inc. http://www.linuxlabs.com
Copyright (C) 2006-2007 Csaba Henk <[email protected]>
*/
/*
* Local Variables:
* indent-tabs-mode: t
* c-basic-offset: 8
* End:
* Changed by David McNab ([email protected]) to work with recent pythons.
* Namely, replacing PyTuple_* with PySequence_*, and checking numerical values
* with both PyInt_Check and PyLong_Check.
*/
#ifndef FUSE_USE_VERSION
#define FUSE_USE_VERSION 26
#endif
#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include <fuse.h>
#include <sys/ioctl.h>
#ifndef _UAPI_ASM_GENERIC_IOCTL_H
/* Essential IOCTL definitions from Linux /include/uapi/asm-generic/ioctl.h
to fix compilation errors on FreeBSD
Mikhail Zakharov <[email protected]> 2018.10.22 */
#define _IOC_NRBITS 8
#define _IOC_TYPEBITS 8
#ifndef _IOC_SIZEBITS
# define _IOC_SIZEBITS 14
#endif
#ifndef _IOC_DIRBITS
# define _IOC_DIRBITS 2
#endif
#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
#define _IOC_NRSHIFT 0
#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
#ifndef _IOC_NONE
# define _IOC_NONE 0U
#endif
#ifndef _IOC_WRITE
# define _IOC_WRITE 1U
#endif
#ifndef _IOC_READ
# define _IOC_READ 2U
#endif
#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
#endif
#ifndef FUSE_VERSION
#ifndef FUSE_MAKE_VERSION
#define FUSE_MAKE_VERSION(maj, min) ((maj) * 10 + (min))
#endif
#define FUSE_VERSION FUSE_MAKE_VERSION(FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION)
#endif
#if PY_MAJOR_VERSION >= 3
#define PyInt_FromLong PyLong_FromLong
#define PyInt_AsLong PyLong_AsLong
#define PyInt_Check PyLong_Check
#define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
#if PY_MINOR_VERSION >= 6
#define FIX_PATH_DECODING
PyObject* Path_AsDecodedUnicode(void* path) {
if (path) {
return PyUnicode_DecodeFSDefault(path);
}
PyErr_SetString(PyExc_ValueError, "non-decodable filename");
return NULL;
}
static inline Py_ssize_t PyString_Size(PyObject *s) {
Py_ssize_t result = -1;
(void)PyUnicode_AsUTF8AndSize(s, &result);
return result;
}
#else
#define PyString_AsString PyUnicode_AsUTF8
#define PyString_Size PyUnicode_GET_LENGTH
#endif
#define PyString_Check PyUnicode_Check
#endif
#ifdef FIX_PATH_DECODING
// use appropriate utf-8 conversion
#define PATH_AS_STR_BEGIN(py_obj, str) \
PyObject *py_bytes_tmp = PyUnicode_EncodeFSDefault(py_obj); \
str = PyBytes_AsString(py_bytes_tmp);
#else
#define PATH_AS_STR_BEGIN(py_obj, str) \
str = PyString_AsString(py_obj);
#endif
#ifdef FIX_PATH_DECODING
#define PATH_AS_STR_END \
Py_DECREF(py_bytes_tmp);
#else
#define PATH_AS_STR_END
#endif
static PyObject *getattr_cb=NULL, *readlink_cb=NULL, *readdir_cb=NULL,
*mknod_cb=NULL, *mkdir_cb=NULL, *unlink_cb=NULL, *rmdir_cb=NULL,
*symlink_cb=NULL, *rename_cb=NULL, *link_cb=NULL, *chmod_cb=NULL,
*chown_cb=NULL, *truncate_cb=NULL, *utime_cb=NULL,
*open_cb=NULL, *read_cb=NULL, *write_cb=NULL, *release_cb=NULL,
*statfs_cb=NULL, *fsync_cb=NULL, *create_cb=NULL, *opendir_cb=NULL,
*releasedir_cb=NULL, *fsyncdir_cb=NULL, *flush_cb=NULL, *ftruncate_cb=NULL,
*fgetattr_cb=NULL, *getxattr_cb=NULL, *listxattr_cb=NULL, *setxattr_cb=NULL,
*removexattr_cb=NULL, *access_cb=NULL, *lock_cb = NULL, *utimens_cb = NULL,
*bmap_cb = NULL, *fsinit_cb=NULL, *fsdestroy_cb = NULL, *ioctl_cb = NULL,
*poll_cb = NULL;
static PyObject *Py_FuseError;
static PyInterpreterState *interp;
#ifdef WITH_THREAD
#if PY_MAJOR_VERSION >= 3
#define PYLOCK() \
PyGILState_STATE gstate; \
gstate = PyGILState_Ensure();
#else
#define PYLOCK() \
PyThreadState *_state = NULL; \
if (interp) { \
PyEval_AcquireLock(); \
_state = PyThreadState_New(interp); \
PyThreadState_Swap(_state); \
}
#endif
#if PY_MAJOR_VERSION >= 3
#define PYUNLOCK() PyGILState_Release(gstate);
#else
#define PYUNLOCK() \
if (interp) { \
PyThreadState_Clear(_state); \
PyThreadState_Swap(NULL); \
PyThreadState_Delete(_state); \
PyEval_ReleaseLock(); \
}
#endif
#else
#define PYLOCK()
#define PYUNLOCK()
#endif /* WITH_THREAD */
#define PROLOGUE(pyval) \
int ret = -EINVAL; \
PyObject *v; \
\
PYLOCK(); \
\
v = pyval; \
\
if (!v) { \
PyErr_Print(); \
goto OUT; \
} \
if (v == Py_None) { \
ret = 0; \
goto OUT_DECREF; \
} \
if (PyInt_Check(v)) { \
ret = PyInt_AsLong(v); \
goto OUT_DECREF; \
}
#define EPILOGUE \
OUT_DECREF: \
Py_DECREF(v); \
OUT: \
PYUNLOCK(); \
return ret;
#if FUSE_VERSION >= 22
static __inline PyObject *
fi_to_py(struct fuse_file_info *fi)
{
return (PyObject *)(uintptr_t)fi->fh;
}
#define PYO_CALLWITHFI(fi, fnc, fmt, ...) \
fi_to_py(fi) ? \
PyObject_CallFunction(fnc, #fmt "O", ## __VA_ARGS__, fi_to_py(fi)) : \
PyObject_CallFunction(fnc, #fmt, ## __VA_ARGS__)
#else
#define PYO_CALLWITHFI(fi, fnc, fmt, ...) \
PyObject_CallFunction(fnc, #fmt, ## __VA_ARGS__)
#endif /* FUSE_VERSION >= 22 */
/* transform a Python integer to an unsigned C numeric value */
#define py2attr(st, attr) { \
if (PyInt_Check(pytmp) && sizeof((st)->attr) <= sizeof(long)) { \
/* \
* We'd rather use here PyInt_AsUnsignedLong() here \
* but there is no such thing. Closest match is \
* PyInt_AsUnsignedLongMask() but that doesn't check \
* for overflows. Duh. \
*/ \
ctmp = PyInt_AsLong(pytmp); \
if (ctmp > \
/* damn the funcall overhead... \
PyInt_GetMax() */ \
LONG_MAX) { \
/* \
* If the value, as unsigned, is bigger than \
* Python ints can be, then it was a negative \
* integer so bail out. \
*/ \
Py_DECREF(pytmp); \
goto OUT_DECREF; \
} \
} else { \
if (PyInt_Check(pytmp)) \
/* \
* This fnc doesn't catch overflows but I guess \
* it shouldn't overflow after passing \
* PyInt_Check() ... \
*/ \
ctmp = PyInt_AsUnsignedLongLongMask(pytmp); \
else if (PyLong_Check(pytmp)) \
ctmp = PyLong_AsUnsignedLongLong(pytmp); \
else if (PyFloat_Check(pytmp)) \
ctmp = \
(unsigned long long)PyFloat_AsDouble(pytmp); \
else { \
Py_DECREF(pytmp); \
goto OUT_DECREF; \
} \
} \
Py_DECREF(pytmp); \
if (PyErr_Occurred()) \
goto OUT_DECREF; \
(st)->attr = ctmp; \
if ((unsigned long long)(st)->attr != ctmp) \
goto OUT_DECREF; \
}
#define fetchattr_nam(st, attr, aname) \
if (!(pytmp = PyObject_GetAttrString(v, aname))) \
goto OUT_DECREF; \
py2attr(st, attr);
#define fetchattr(st, attr) \
fetchattr_nam(st, attr, #attr)
#define fetchattr_soft(st, attr) \
if (PyObject_HasAttrString(v, #attr)) { \
pytmp = PyObject_GetAttrString(v, #attr); \
if (!pytmp) \
goto OUT_DECREF; \
if (pytmp == Py_None) \
Py_DECREF(pytmp); \
else \
py2attr(st, attr); \
}
/*
* Following macros are only for getattr-alikes, we undef them after
* the getattr type functions.
*/
#define fetchattr_soft_d(st, attr, defa) \
fetchattr_soft(st, attr) else st->attr = defa
#define FETCH_STAT_DATA() \
fetchattr(st, st_mode); \
fetchattr(st, st_ino); \
fetchattr(st, st_dev); \
fetchattr(st, st_nlink); \
fetchattr(st, st_uid); \
fetchattr(st, st_gid); \
fetchattr(st, st_size); \
fetchattr(st, st_atime); \
fetchattr(st, st_mtime); \
fetchattr(st, st_ctime); \
\
/* \
* Following fields are not necessarily available on all \
* platforms (were "all" stands for "POSIX-like"). Therefore \
* we should have some #ifdef-s around... However, they _are_ \
* available on those platforms where FUSE has a chance to \
* run now and in the foreseeable future, and we don't use \
* autotools so we just dare to throw these in as is. \
*/ \
\
fetchattr_soft(st, st_rdev); \
fetchattr_soft_d(st, st_blksize, 4096); \
fetchattr_soft_d(st, st_blocks, (st->st_size + 511)/512)
static int
getattr_func(const char *path, struct stat *st)
{
PyObject *pytmp;
unsigned long long ctmp;
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(getattr_cb, "O&", &Path_AsDecodedUnicode, path) )
#else
PROLOGUE( PyObject_CallFunction(getattr_cb, "s", path) )
#endif
FETCH_STAT_DATA();
ret = 0;
EPILOGUE
}
#if FUSE_VERSION >= 25
static int
fgetattr_func(const char *path, struct stat *st, struct fuse_file_info *fi)
{
PyObject *pytmp;
unsigned long long ctmp;
#ifdef FIX_PATH_DECODING
PROLOGUE( PYO_CALLWITHFI(fi, fgetattr_cb, O&, &Path_AsDecodedUnicode, path) )
#else
PROLOGUE( PYO_CALLWITHFI(fi, fgetattr_cb, s, path) )
#endif
FETCH_STAT_DATA();
ret = 0;
EPILOGUE
}
#endif
#undef fetchattr_soft_d
#undef FETCH_STAT_DATA
static int
readlink_func(const char *path, char *link, size_t size)
{
char *s;
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(readlink_cb, "O&", &Path_AsDecodedUnicode, path) )
#else
PROLOGUE( PyObject_CallFunction(readlink_cb, "s", path) )
#endif
if(!PyString_Check(v)) {
ret = -EINVAL;
goto OUT_DECREF;
}
PATH_AS_STR_BEGIN(v, s);
strncpy(link, s, size);
PATH_AS_STR_END;
link[size-1] = '\0';
ret = 0;
EPILOGUE
}
#if FUSE_VERSION >= 23
static int
opendir_func(const char *path, struct fuse_file_info *fi)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(opendir_cb, "O&", &Path_AsDecodedUnicode, path) )
#else
PROLOGUE( PyObject_CallFunction(opendir_cb, "s", path) )
#endif
fi->fh = (uintptr_t) v;
ret = 0;
goto OUT;
EPILOGUE
}
static int
releasedir_func(const char *path, struct fuse_file_info *fi)
{
PROLOGUE(
fi_to_py(fi) ?
#ifdef FIX_PATH_DECODING
PyObject_CallFunction(releasedir_cb, "O&N", &Path_AsDecodedUnicode, path,
fi_to_py(fi)) :
PyObject_CallFunction(releasedir_cb, "O&", &Path_AsDecodedUnicode, path)
#else
PyObject_CallFunction(releasedir_cb, "sN", path,
fi_to_py(fi)) :
PyObject_CallFunction(releasedir_cb, "s", path)
#endif
)
EPILOGUE
}
static int
fsyncdir_func(const char *path, int datasync, struct fuse_file_info *fi)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PYO_CALLWITHFI(fi, fsyncdir_cb, &Oi, &Path_AsDecodedUnicode, path, datasync) )
#else
PROLOGUE( PYO_CALLWITHFI(fi, fsyncdir_cb, si, path, datasync) )
#endif
EPILOGUE
}
static __inline int
dir_add_entry(PyObject *v, void *buf, fuse_fill_dir_t df)
#else
static __inline int
dir_add_entry(PyObject *v, fuse_dirh_t buf, fuse_dirfil_t df)
#endif
{
PyObject *pytmp;
unsigned long long ctmp;
int ret = -EINVAL;
struct stat st;
struct { off_t offset; } offs;
memset(&st, 0, sizeof(st));
fetchattr_nam(&st, st_ino, "ino");
fetchattr_nam(&st, st_mode, "type");
fetchattr(&offs, offset);
if (!(pytmp = PyObject_GetAttrString(v, "name")))
goto OUT_DECREF;
if (!PyString_Check(pytmp)) {
Py_DECREF(pytmp);
goto OUT_DECREF;
}
char *s;
PATH_AS_STR_BEGIN(pytmp, s);
#if FUSE_VERSION >= 23
ret = df(buf, s, &st, offs.offset);
#elif FUSE_VERSION >= 21
ret = df(buf, s, (st.st_mode & 0170000) >> 12, st.st_ino);
#else
ret = df(buf, s, (st.st_mode & 0170000) >> 12);
#endif
PATH_AS_STR_END;
Py_DECREF(pytmp);
OUT_DECREF:
Py_DECREF(v);
return ret;
}
#if FUSE_VERSION >= 23
static int
readdir_func(const char *path, void *buf, fuse_fill_dir_t df, off_t off,
struct fuse_file_info *fi)
{
PyObject *iter, *w;
#ifdef FIX_PATH_DECODING
PROLOGUE( PYO_CALLWITHFI(fi, readdir_cb, O&K, &Path_AsDecodedUnicode, path, off) )
#else
PROLOGUE( PYO_CALLWITHFI(fi, readdir_cb, sK, path, off) )
#endif
#else
static int
readdir_func(const char *path, fuse_dirh_t buf, fuse_dirfil_t df)
{
PyObject *iter, *w;
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(readdir_cb, "O&K", &Path_AsDecodedUnicode, path) )
#else
PROLOGUE( PyObject_CallFunction(readdir_cb, "sK", path) )
#endif
#endif
iter = PyObject_GetIter(v);
if(!iter) {
PyErr_Print();
goto OUT_DECREF;
}
while ((w = PyIter_Next(iter))) {
if (dir_add_entry(w, buf, df))
break;
}
Py_DECREF(iter);
if (PyErr_Occurred()) {
PyErr_Print();
goto OUT_DECREF;
}
ret = 0;
EPILOGUE
}
static int
mknod_func(const char *path, mode_t m, dev_t d)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(mknod_cb, "O&ii", &Path_AsDecodedUnicode, path, m, d) )
#else
PROLOGUE( PyObject_CallFunction(mknod_cb, "sii", path, m, d) )
#endif
EPILOGUE
}
static int
mkdir_func(const char *path, mode_t m)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(mkdir_cb, "O&i", &Path_AsDecodedUnicode, path, m) )
#else
PROLOGUE( PyObject_CallFunction(mkdir_cb, "si", path, m) )
#endif
EPILOGUE
}
static int
unlink_func(const char *path)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(unlink_cb, "O&", &Path_AsDecodedUnicode, path) )
#else
PROLOGUE( PyObject_CallFunction(unlink_cb, "s", path) )
#endif
EPILOGUE
}
static int
rmdir_func(const char *path)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(rmdir_cb, "O&", &Path_AsDecodedUnicode, path) )
#else
PROLOGUE( PyObject_CallFunction(rmdir_cb, "s", path) )
#endif
EPILOGUE
}
static int
symlink_func(const char *path, const char *path1)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(symlink_cb, "O&O&", &Path_AsDecodedUnicode, path, &Path_AsDecodedUnicode, path1) )
#else
PROLOGUE( PyObject_CallFunction(symlink_cb, "ss", path, path1) )
#endif
EPILOGUE
}
static int
rename_func(const char *path, const char *path1)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(rename_cb, "O&O&", &Path_AsDecodedUnicode, path, &Path_AsDecodedUnicode, path1) )
#else
PROLOGUE( PyObject_CallFunction(rename_cb, "ss", path, path1) )
#endif
EPILOGUE
}
static int
link_func(const char *path, const char *path1)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(link_cb, "O&O&", &Path_AsDecodedUnicode, path, &Path_AsDecodedUnicode, path1) )
#else
PROLOGUE( PyObject_CallFunction(link_cb, "ss", path, path1) )
#endif
EPILOGUE
}
static int
chmod_func(const char *path, mode_t m)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(chmod_cb, "O&i", &Path_AsDecodedUnicode, path, m) )
#else
PROLOGUE( PyObject_CallFunction(chmod_cb, "si", path, m) )
#endif
EPILOGUE
}
static int
chown_func(const char *path, uid_t u, gid_t g)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(chown_cb, "O&ii", &Path_AsDecodedUnicode, path, u, g) )
#else
PROLOGUE( PyObject_CallFunction(chown_cb, "sii", path, u, g) )
#endif
EPILOGUE
}
static int
truncate_func(const char *path, off_t length)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(truncate_cb, "O&K", &Path_AsDecodedUnicode, path, length) )
#else
PROLOGUE( PyObject_CallFunction(truncate_cb, "sK", path, length) )
#endif
EPILOGUE
}
#if FUSE_VERSION >= 25
static int
ftruncate_func(const char *path, off_t length, struct fuse_file_info *fi)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PYO_CALLWITHFI(fi, ftruncate_cb, O&K, &Path_AsDecodedUnicode, path, length) )
#else
PROLOGUE( PYO_CALLWITHFI(fi, ftruncate_cb, sK, path, length) )
#endif
EPILOGUE
}
#endif
static int
utime_func(const char *path, struct utimbuf *u)
{
int actime = u ? u->actime : time(NULL);
int modtime = u ? u->modtime : actime;
PROLOGUE(
#ifdef FIX_PATH_DECODING
PyObject_CallFunction(utime_cb, "O&(ii)", &Path_AsDecodedUnicode, path, actime, modtime)
#else
PyObject_CallFunction(utime_cb, "s(ii)", path, actime, modtime)
#endif
)
EPILOGUE
}
#if FUSE_VERSION >= 22
static int
read_func(const char *path, char *buf, size_t s, off_t off,
struct fuse_file_info *fi)
#else
static int
read_func(const char *path, char *buf, size_t s, off_t off)
#endif
{
#if PY_VERSION_HEX < 0x02050000
PROLOGUE( PYO_CALLWITHFI(fi, read_cb, siK, path, s, off) )
#else
#ifdef FIX_PATH_DECODING
PROLOGUE( PYO_CALLWITHFI(fi, read_cb, O&nK, &Path_AsDecodedUnicode, path, s, off) )
#else
PROLOGUE( PYO_CALLWITHFI(fi, read_cb, snK, path, s, off) )
#endif
#endif
#if PY_MAJOR_VERSION >= 3
Py_buffer buffer;
if(PyObject_CheckBuffer(v)) {
PyObject_GetBuffer(v, &buffer, PyBUF_SIMPLE);
if((size_t)buffer.len <= s) {
memcpy(buf, buffer.buf, buffer.len);
ret = buffer.len;
}
PyBuffer_Release(&buffer);
} else if(PyBytes_Check(v)) {
if((size_t)PyBytes_Size(v) > s)
goto OUT_DECREF;
memcpy(buf, PyBytes_AsString(v), PyBytes_Size(v));
ret = PyBytes_Size(v);
}
#else
if(PyString_Check(v)) {
if(PyString_Size(v) > s)
goto OUT_DECREF;
memcpy(buf, PyString_AsString(v), PyString_Size(v));
ret = PyString_Size(v);
}
#endif
EPILOGUE
}
#if FUSE_VERSION >= 22
static int
write_func(const char *path, const char *buf, size_t t, off_t off,
struct fuse_file_info *fi)
#else
static int
write_func(const char *path, const char *buf, size_t t, off_t off)
#endif
{
#if PY_MAJOR_VERSION >= 3
#ifdef FIX_PATH_DECODING
PROLOGUE( PYO_CALLWITHFI(fi, write_cb, O&y#K, &Path_AsDecodedUnicode, path, buf, t, off) )
#else
PROLOGUE( PYO_CALLWITHFI(fi, write_cb, sy#K, path, buf, t, off) )
#endif
#else
PROLOGUE( PYO_CALLWITHFI(fi, write_cb, ss#K, path, buf, t, off) )
#endif
EPILOGUE
}
#if FUSE_VERSION >= 22
static int
open_func(const char *path, struct fuse_file_info *fi)
{
PyObject *pytmp, *pytmp1;
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(open_cb, "O&i", &Path_AsDecodedUnicode, path, fi->flags) )
#else
PROLOGUE( PyObject_CallFunction(open_cb, "si", path, fi->flags) )
#endif
pytmp = PyTuple_GetItem(v, 0);
#if FUSE_VERSION >= 23
pytmp1 = PyObject_GetAttrString(pytmp, "keep_cache");
if (pytmp1) {
fi->keep_cache = PyObject_IsTrue(pytmp1);
Py_DECREF(pytmp1);
} else {
PyErr_Clear();
}
pytmp1 = PyObject_GetAttrString(pytmp, "direct_io");
if (pytmp1) {
fi->direct_io = PyObject_IsTrue(pytmp1);
Py_DECREF(pytmp1);
} else {
PyErr_Clear();
}
if (PyObject_IsTrue(PyTuple_GetItem(v, 1)))
#endif
{
Py_INCREF(pytmp);
fi->fh = (uintptr_t) pytmp;
}
ret = 0;
goto OUT_DECREF;
EPILOGUE
}
#else
static int
open_func(const char *path, int mode)
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(open_cb, "O&i", &Path_AsDecodedUnicode, path, mode) )
#else
PROLOGUE( PyObject_CallFunction(open_cb, "si", path, mode) )
#endif
EPILOGUE
}
#endif
#if FUSE_VERSION >= 25
static int
create_func(const char *path, mode_t mode, struct fuse_file_info *fi)
{
PyObject *pytmp, *pytmp1;
PROLOGUE(
#ifdef FIX_PATH_DECODING
PyObject_CallFunction(create_cb, "O&ii", &Path_AsDecodedUnicode, path, fi->flags, mode)
#else
PyObject_CallFunction(create_cb, "sii", path, fi->flags, mode)
#endif
)
pytmp = PyTuple_GetItem(v, 0);
pytmp1 = PyObject_GetAttrString(pytmp, "keep_cache");
if (pytmp1) {
fi->keep_cache = PyObject_IsTrue(pytmp1);
Py_DECREF(pytmp1);
} else {
PyErr_Clear();
}
pytmp1 = PyObject_GetAttrString(pytmp, "direct_io");
if (pytmp1) {
fi->direct_io = PyObject_IsTrue(pytmp1);
Py_DECREF(pytmp1);
} else {
PyErr_Clear();
}
if (PyObject_IsTrue(PyTuple_GetItem(v, 1))) {
Py_INCREF(pytmp);
fi->fh = (uintptr_t) pytmp;
}
ret = 0;
goto OUT;
EPILOGUE
}
#endif
#if FUSE_VERSION >= 22
static int
release_func(const char *path, struct fuse_file_info *fi)
{
PROLOGUE(
fi_to_py(fi) ?
#ifdef FIX_PATH_DECODING
PyObject_CallFunction(release_cb, "O&iN", &Path_AsDecodedUnicode, path, fi->flags,
#else
PyObject_CallFunction(release_cb, "siN", path, fi->flags,
#endif
fi_to_py(fi)) :
#ifdef FIX_PATH_DECODING
PyObject_CallFunction(release_cb, "O&i", &Path_AsDecodedUnicode, path, fi->flags)
#else
PyObject_CallFunction(release_cb, "si", path, fi->flags)
#endif
)
#else
static int
release_func(const char *path, int flags)
{
PROLOGUE( PyObject_CallFunction(release_cb, "si", path, flags) )
#endif
EPILOGUE
}
#if FUSE_VERSION >= 25
static int
statfs_func(const char *dummy, struct statvfs *fst)
#else
static int
statfs_func(const char *dummy, struct statfs *fst)
#endif
{
PyObject *pytmp;
unsigned long long ctmp;
PROLOGUE( PyObject_CallFunction(statfs_cb, "") )
fetchattr(fst, f_bsize);
#if FUSE_VERSION >= 25
fetchattr(fst, f_frsize);
#endif
fetchattr(fst, f_blocks);
fetchattr(fst, f_bfree);
fetchattr(fst, f_bavail);
fetchattr(fst, f_files);
fetchattr(fst, f_ffree);
#if FUSE_VERSION >= 25
fetchattr(fst, f_favail);
fetchattr(fst, f_flag);
fetchattr(fst, f_namemax);
#else
fetchattr_nam(fst, f_namelen, "f_namemax");
#endif
ret = 0;
EPILOGUE
}
#if FUSE_VERSION >= 22
static int
fsync_func(const char *path, int datasync, struct fuse_file_info *fi)
#else
static int
fsync_func(const char *path, int datasync)
#endif
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PYO_CALLWITHFI(fi, fsync_cb, O&i, &Path_AsDecodedUnicode, path, datasync) )
#else
PROLOGUE( PYO_CALLWITHFI(fi, fsync_cb, si, path, datasync) )
#endif
EPILOGUE
}
#if FUSE_VERSION >= 22
static int
flush_func(const char *path, struct fuse_file_info *fi)
#else
static int
flush_func(const char *path)
#endif
{
#ifdef FIX_PATH_DECODING
PROLOGUE( PYO_CALLWITHFI(fi, flush_cb, O&, &Path_AsDecodedUnicode, path) )
#else
PROLOGUE( PYO_CALLWITHFI(fi, flush_cb, s, path) )
#endif
EPILOGUE
}
#ifdef __APPLE__
static int
getxattr_func(const char *path, const char *name, char *value, size_t size, uint32_t position)
#else
static int
getxattr_func(const char *path, const char *name, char *value, size_t size)
#endif
{
#if PY_VERSION_HEX < 0x02050000
PROLOGUE( PyObject_CallFunction(getxattr_cb, "ssi", path, name, size) )
#else
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(getxattr_cb, "O&O&n", &Path_AsDecodedUnicode, path, &Path_AsDecodedUnicode, name, size) )
#else
PROLOGUE( PyObject_CallFunction(getxattr_cb, "ssn", path, name, size) )
#endif
#endif
if(PyString_Check(v)) {
/* size zero can be passed into these calls to return the current size of
* the named extended attribute
*/
if (size == 0) {
ret = PyString_Size(v);
goto OUT_DECREF;
}
/* If the size of the value buffer is too small to hold the result, errno
* is set to ERANGE.
*/
if ((size_t)PyString_Size(v) > size) {
ret = -ERANGE;
goto OUT_DECREF;
}
char *s;
PATH_AS_STR_BEGIN(v, s);
memcpy(value, s, PyString_Size(v));
PATH_AS_STR_END;
ret = PyString_Size(v);
}
EPILOGUE
}
static int
listxattr_func(const char *path, char *list, size_t size)
{
PyObject *iter, *w;
char *lx = list;
#if PY_VERSION_HEX < 0x02050000
PROLOGUE( PyObject_CallFunction(listxattr_cb, "si", path, size) )
#else
#ifdef FIX_PATH_DECODING
PROLOGUE( PyObject_CallFunction(listxattr_cb, "O&n", &Path_AsDecodedUnicode, path, size) )
#else
PROLOGUE( PyObject_CallFunction(listxattr_cb, "sn", path, size) )
#endif
#endif
iter = PyObject_GetIter(v);
if(!iter) {
PyErr_Print();
goto OUT_DECREF;
}
for (;;) {
size_t ilen;
w = PyIter_Next(iter);
if (!w) {
ret = lx - list;
break;
}
if (!PyString_Check(w)) {