diff options
Diffstat (limited to 'python/gevent/libev/stathelper.c')
| -rw-r--r-- | python/gevent/libev/stathelper.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/python/gevent/libev/stathelper.c b/python/gevent/libev/stathelper.c new file mode 100644 index 0000000..1a70b55 --- /dev/null +++ b/python/gevent/libev/stathelper.c @@ -0,0 +1,187 @@ +/* copied from Python-2.7.2/Modules/posixmodule.c */ +#include "structseq.h" + +#define STRUCT_STAT struct stat + +#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE +#define ST_BLKSIZE_IDX 13 +#else +#define ST_BLKSIZE_IDX 12 +#endif + +#ifdef HAVE_STRUCT_STAT_ST_BLOCKS +#define ST_BLOCKS_IDX (ST_BLKSIZE_IDX+1) +#else +#define ST_BLOCKS_IDX ST_BLKSIZE_IDX +#endif + +#ifdef HAVE_STRUCT_STAT_ST_RDEV +#define ST_RDEV_IDX (ST_BLOCKS_IDX+1) +#else +#define ST_RDEV_IDX ST_BLOCKS_IDX +#endif + +#ifdef HAVE_STRUCT_STAT_ST_FLAGS +#define ST_FLAGS_IDX (ST_RDEV_IDX+1) +#else +#define ST_FLAGS_IDX ST_RDEV_IDX +#endif + +#ifdef HAVE_STRUCT_STAT_ST_GEN +#define ST_GEN_IDX (ST_FLAGS_IDX+1) +#else +#define ST_GEN_IDX ST_FLAGS_IDX +#endif + +#ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME +#define ST_BIRTHTIME_IDX (ST_GEN_IDX+1) +#else +#define ST_BIRTHTIME_IDX ST_GEN_IDX +#endif + + + +static PyObject* posixmodule = NULL; +static PyTypeObject* pStatResultType = NULL; + + +static PyObject* import_posixmodule(void) +{ + if (!posixmodule) { + posixmodule = PyImport_ImportModule("posix"); + } + return posixmodule; +} + + +static PyObject* import_StatResultType(void) +{ + PyObject* p = NULL; + if (!pStatResultType) { + PyObject* module; + module = import_posixmodule(); + if (module) { + p = PyObject_GetAttrString(module, "stat_result"); + } + } + return p; +} + +static void +fill_time(PyObject *v, int index, time_t sec, unsigned long nsec) +{ + PyObject *fval,*ival; +#if SIZEOF_TIME_T > SIZEOF_LONG + ival = PyLong_FromLongLong((PY_LONG_LONG)sec); +#else + ival = PyInt_FromLong((long)sec); +#endif + if (!ival) + return; + fval = PyFloat_FromDouble(sec + 1e-9*nsec); + PyStructSequence_SET_ITEM(v, index, ival); + PyStructSequence_SET_ITEM(v, index+3, fval); +} + +/* pack a system stat C structure into the Python stat tuple + (used by posix_stat() and posix_fstat()) */ +static PyObject* +_pystat_fromstructstat(STRUCT_STAT *st) +{ + unsigned long ansec, mnsec, cnsec; + PyObject *v; + + PyTypeObject* StatResultType = (PyTypeObject*)import_StatResultType(); + if (StatResultType == NULL) { + return NULL; + } + + v = PyStructSequence_New(StatResultType); + if (v == NULL) + return NULL; + + PyStructSequence_SET_ITEM(v, 0, PyInt_FromLong((long)st->st_mode)); +#ifdef HAVE_LARGEFILE_SUPPORT + PyStructSequence_SET_ITEM(v, 1, + PyLong_FromLongLong((PY_LONG_LONG)st->st_ino)); +#else + PyStructSequence_SET_ITEM(v, 1, PyInt_FromLong((long)st->st_ino)); +#endif +#if defined(HAVE_LONG_LONG) && !defined(MS_WINDOWS) + PyStructSequence_SET_ITEM(v, 2, + PyLong_FromLongLong((PY_LONG_LONG)st->st_dev)); +#else + PyStructSequence_SET_ITEM(v, 2, PyInt_FromLong((long)st->st_dev)); +#endif + PyStructSequence_SET_ITEM(v, 3, PyInt_FromLong((long)st->st_nlink)); + PyStructSequence_SET_ITEM(v, 4, PyInt_FromLong((long)st->st_uid)); + PyStructSequence_SET_ITEM(v, 5, PyInt_FromLong((long)st->st_gid)); +#ifdef HAVE_LARGEFILE_SUPPORT + PyStructSequence_SET_ITEM(v, 6, + PyLong_FromLongLong((PY_LONG_LONG)st->st_size)); +#else + PyStructSequence_SET_ITEM(v, 6, PyInt_FromLong(st->st_size)); +#endif + +#if defined(HAVE_STAT_TV_NSEC) + ansec = st->st_atim.tv_nsec; + mnsec = st->st_mtim.tv_nsec; + cnsec = st->st_ctim.tv_nsec; +#elif defined(HAVE_STAT_TV_NSEC2) + ansec = st->st_atimespec.tv_nsec; + mnsec = st->st_mtimespec.tv_nsec; + cnsec = st->st_ctimespec.tv_nsec; +#elif defined(HAVE_STAT_NSEC) + ansec = st->st_atime_nsec; + mnsec = st->st_mtime_nsec; + cnsec = st->st_ctime_nsec; +#else + ansec = mnsec = cnsec = 0; +#endif + fill_time(v, 7, st->st_atime, ansec); + fill_time(v, 8, st->st_mtime, mnsec); + fill_time(v, 9, st->st_ctime, cnsec); + +#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE + PyStructSequence_SET_ITEM(v, ST_BLKSIZE_IDX, + PyInt_FromLong((long)st->st_blksize)); +#endif +#ifdef HAVE_STRUCT_STAT_ST_BLOCKS + PyStructSequence_SET_ITEM(v, ST_BLOCKS_IDX, + PyInt_FromLong((long)st->st_blocks)); +#endif +#ifdef HAVE_STRUCT_STAT_ST_RDEV + PyStructSequence_SET_ITEM(v, ST_RDEV_IDX, + PyInt_FromLong((long)st->st_rdev)); +#endif +#ifdef HAVE_STRUCT_STAT_ST_GEN + PyStructSequence_SET_ITEM(v, ST_GEN_IDX, + PyInt_FromLong((long)st->st_gen)); +#endif +#ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME + { + PyObject *val; + unsigned long bsec,bnsec; + bsec = (long)st->st_birthtime; +#ifdef HAVE_STAT_TV_NSEC2 + bnsec = st->st_birthtimespec.tv_nsec; +#else + bnsec = 0; +#endif + val = PyFloat_FromDouble(bsec + 1e-9*bnsec); + PyStructSequence_SET_ITEM(v, ST_BIRTHTIME_IDX, + val); + } +#endif +#ifdef HAVE_STRUCT_STAT_ST_FLAGS + PyStructSequence_SET_ITEM(v, ST_FLAGS_IDX, + PyInt_FromLong((long)st->st_flags)); +#endif + + if (PyErr_Occurred()) { + Py_DECREF(v); + return NULL; + } + + return v; +} |