Mercurial > hg
changeset 32367:a9c71d578a1c
osutil: switch to policy importer
"make clean" is recommended to test this change, though C API compatibility
should be preserved.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Fri, 12 Aug 2016 11:35:17 +0900 |
| parents | 8e0327dae3f4 |
| children | 008d37c4d783 |
| files | contrib/check-py3-compat.py contrib/import-checker.py contrib/wix/dist.wxs mercurial/__init__.py mercurial/cext/osutil.c mercurial/debugcommands.py mercurial/osutil.c mercurial/pure/osutil.py mercurial/util.py mercurial/windows.py setup.py |
| diffstat | 11 files changed, 1346 insertions(+), 1343 deletions(-) [+] |
line wrap: on
line diff
--- a/contrib/check-py3-compat.py Fri Aug 12 11:30:17 2016 +0900 +++ b/contrib/check-py3-compat.py Fri Aug 12 11:35:17 2016 +0900 @@ -21,7 +21,6 @@ 'bdiff.py', 'diffhelpers.py', 'mpatch.py', - 'osutil.py', 'parsers.py', )
--- a/contrib/import-checker.py Fri Aug 12 11:30:17 2016 +0900 +++ b/contrib/import-checker.py Fri Aug 12 11:35:17 2016 +0900 @@ -30,7 +30,6 @@ 'bdiff.py', 'diffhelpers.py', 'mpatch.py', - 'osutil.py', 'parsers.py', )
--- a/contrib/wix/dist.wxs Fri Aug 12 11:30:17 2016 +0900 +++ b/contrib/wix/dist.wxs Fri Aug 12 11:35:17 2016 +0900 @@ -16,7 +16,7 @@ <File Name="mercurial.bdiff.pyd" /> <File Name="mercurial.diffhelpers.pyd" /> <File Name="mercurial.mpatch.pyd" /> - <File Name="mercurial.osutil.pyd" /> + <File Name="mercurial.cext.osutil.pyd" /> <File Name="mercurial.parsers.pyd" /> <File Name="pyexpat.pyd" /> <File Name="bz2.pyd" />
--- a/mercurial/__init__.py Fri Aug 12 11:30:17 2016 +0900 +++ b/mercurial/__init__.py Fri Aug 12 11:35:17 2016 +0900 @@ -27,7 +27,6 @@ 'mercurial.bdiff', 'mercurial.diffhelpers', 'mercurial.mpatch', - 'mercurial.osutil', 'mercurial.parsers', }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mercurial/cext/osutil.c Fri Aug 12 11:35:17 2016 +0900 @@ -0,0 +1,1335 @@ +/* + osutil.c - native operating system services + + Copyright 2007 Matt Mackall and others + + This software may be used and distributed according to the terms of + the GNU General Public License, incorporated herein by reference. +*/ + +#define _ATFILE_SOURCE +#include <Python.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> + +#ifdef _WIN32 +#include <windows.h> +#include <io.h> +#else +#include <dirent.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> +#ifdef HAVE_LINUX_STATFS +#include <linux/magic.h> +#include <sys/vfs.h> +#endif +#ifdef HAVE_BSD_STATFS +#include <sys/mount.h> +#include <sys/param.h> +#endif +#endif + +#ifdef __APPLE__ +#include <sys/attr.h> +#include <sys/vnode.h> +#endif + +#include "util.h" + +/* some platforms lack the PATH_MAX definition (eg. GNU/Hurd) */ +#ifndef PATH_MAX +#define PATH_MAX 4096 +#endif + +#ifdef _WIN32 +/* +stat struct compatible with hg expectations +Mercurial only uses st_mode, st_size and st_mtime +the rest is kept to minimize changes between implementations +*/ +struct hg_stat { + int st_dev; + int st_mode; + int st_nlink; + __int64 st_size; + int st_mtime; + int st_ctime; +}; +struct listdir_stat { + PyObject_HEAD + struct hg_stat st; +}; +#else +struct listdir_stat { + PyObject_HEAD + struct stat st; +}; +#endif + +#ifdef IS_PY3K +#define listdir_slot(name) \ + static PyObject *listdir_stat_##name(PyObject *self, void *x) \ + { \ + return PyLong_FromLong(((struct listdir_stat *)self)->st.name); \ + } +#else +#define listdir_slot(name) \ + static PyObject *listdir_stat_##name(PyObject *self, void *x) \ + { \ + return PyInt_FromLong(((struct listdir_stat *)self)->st.name); \ + } +#endif + +listdir_slot(st_dev) +listdir_slot(st_mode) +listdir_slot(st_nlink) +#ifdef _WIN32 +static PyObject *listdir_stat_st_size(PyObject *self, void *x) +{ + return PyLong_FromLongLong( + (PY_LONG_LONG)((struct listdir_stat *)self)->st.st_size); +} +#else +listdir_slot(st_size) +#endif +listdir_slot(st_mtime) +listdir_slot(st_ctime) + +static struct PyGetSetDef listdir_stat_getsets[] = { + {"st_dev", listdir_stat_st_dev, 0, 0, 0}, + {"st_mode", listdir_stat_st_mode, 0, 0, 0}, + {"st_nlink", listdir_stat_st_nlink, 0, 0, 0}, + {"st_size", listdir_stat_st_size, 0, 0, 0}, + {"st_mtime", listdir_stat_st_mtime, 0, 0, 0}, + {"st_ctime", listdir_stat_st_ctime, 0, 0, 0}, + {0, 0, 0, 0, 0} +}; + +static PyObject *listdir_stat_new(PyTypeObject *t, PyObject *a, PyObject *k) +{ + return t->tp_alloc(t, 0); +} + +static void listdir_stat_dealloc(PyObject *o) +{ + o->ob_type->tp_free(o); +} + +static PyTypeObject listdir_stat_type = { + PyVarObject_HEAD_INIT(NULL, 0) + "osutil.stat", /*tp_name*/ + sizeof(struct listdir_stat), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + (destructor)listdir_stat_dealloc, /*tp_dealloc*/ + 0, /*tp_print*/ + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + 0, /*tp_compare*/ + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash */ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ + "stat objects", /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + 0, /* tp_methods */ + 0, /* tp_members */ + listdir_stat_getsets, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + listdir_stat_new, /* tp_new */ +}; + +#ifdef _WIN32 + +static int to_python_time(const FILETIME *tm) +{ + /* number of seconds between epoch and January 1 1601 */ + const __int64 a0 = (__int64)134774L * (__int64)24L * (__int64)3600L; + /* conversion factor from 100ns to 1s */ + const __int64 a1 = 10000000; + /* explicit (int) cast to suspend compiler warnings */ + return (int)((((__int64)tm->dwHighDateTime << 32) + + tm->dwLowDateTime) / a1 - a0); +} + +static PyObject *make_item(const WIN32_FIND_DATAA *fd, int wantstat) +{ + PyObject *py_st; + struct hg_stat *stp; + + int kind = (fd->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) + ? _S_IFDIR : _S_IFREG; + + if (!wantstat) + return Py_BuildValue("si", fd->cFileName, kind); + + py_st = PyObject_CallObject((PyObject *)&listdir_stat_type, NULL); + if (!py_st) + return NULL; + + stp = &((struct listdir_stat *)py_st)->st; + /* + use kind as st_mode + rwx bits on Win32 are meaningless + and Hg does not use them anyway + */ + stp->st_mode = kind; + stp->st_mtime = to_python_time(&fd->ftLastWriteTime); + stp->st_ctime = to_python_time(&fd->ftCreationTime); + if (kind == _S_IFREG) + stp->st_size = ((__int64)fd->nFileSizeHigh << 32) + + fd->nFileSizeLow; + return Py_BuildValue("siN", fd->cFileName, + kind, py_st); +} + +static PyObject *_listdir(char *path, int plen, int wantstat, char *skip) +{ + PyObject *rval = NULL; /* initialize - return value */ + PyObject *list; + HANDLE fh; + WIN32_FIND_DATAA fd; + char *pattern; + + /* build the path + \* pattern string */ + pattern = PyMem_Malloc(plen + 3); /* path + \* + \0 */ + if (!pattern) { + PyErr_NoMemory(); + goto error_nomem; + } + memcpy(pattern, path, plen); + + if (plen > 0) { + char c = path[plen-1]; + if (c != ':' && c != '/' && c != '\\') + pattern[plen++] = '\\'; + } + pattern[plen++] = '*'; + pattern[plen] = '\0'; + + fh = FindFirstFileA(pattern, &fd); + if (fh == INVALID_HANDLE_VALUE) { + PyErr_SetFromWindowsErrWithFilename(GetLastError(), path); + goto error_file; + } + + list = PyList_New(0); + if (!list) + goto error_list; + + do { + PyObject *item; + + if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { + if (!strcmp(fd.cFileName, ".") + || !strcmp(fd.cFileName, "..")) + continue; + + if (skip && !strcmp(fd.cFileName, skip)) { + rval = PyList_New(0); + goto error; + } + } + + item = make_item(&fd, wantstat); + if (!item) + goto error; + + if (PyList_Append(list, item)) { + Py_XDECREF(item); + goto error; + } + + Py_XDECREF(item); + } while (FindNextFileA(fh, &fd)); + + if (GetLastError() != ERROR_NO_MORE_FILES) { + PyErr_SetFromWindowsErrWithFilename(GetLastError(), path); + goto error; + } + + rval = list; + Py_XINCREF(rval); +error: + Py_XDECREF(list); +error_list: + FindClose(fh); +error_file: + PyMem_Free(pattern); +error_nomem: + return rval; +} + +#else + +int entkind(struct dirent *ent) +{ +#ifdef DT_REG + switch (ent->d_type) { + case DT_REG: return S_IFREG; + case DT_DIR: return S_IFDIR; + case DT_LNK: return S_IFLNK; + case DT_BLK: return S_IFBLK; + case DT_CHR: return S_IFCHR; + case DT_FIFO: return S_IFIFO; + case DT_SOCK: return S_IFSOCK; + } +#endif + return -1; +} + +static PyObject *makestat(const struct stat *st) +{ + PyObject *stat; + + stat = PyObject_CallObject((PyObject *)&listdir_stat_type, NULL); + if (stat) + memcpy(&((struct listdir_stat *)stat)->st, st, sizeof(*st)); + return stat; +} + +static PyObject *_listdir_stat(char *path, int pathlen, int keepstat, + char *skip) +{ + PyObject *list, *elem, *stat = NULL, *ret = NULL; + char fullpath[PATH_MAX + 10]; + int kind, err; + struct stat st; + struct dirent *ent; + DIR *dir; +#ifdef AT_SYMLINK_NOFOLLOW + int dfd = -1; +#endif + + if (pathlen >= PATH_MAX) { + errno = ENAMETOOLONG; + PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); + goto error_value; + } + strncpy(fullpath, path, PATH_MAX); + fullpath[pathlen] = '/'; + +#ifdef AT_SYMLINK_NOFOLLOW + dfd = open(path, O_RDONLY); + if (dfd == -1) { + PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); + goto error_value; + } + dir = fdopendir(dfd); +#else + dir = opendir(path); +#endif + if (!dir) { + PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); + goto error_dir; + } + + list = PyList_New(0); + if (!list) + goto error_list; + + while ((ent = readdir(dir))) { + if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) + continue; + + kind = entkind(ent); + if (kind == -1 || keepstat) { +#ifdef AT_SYMLINK_NOFOLLOW + err = fstatat(dfd, ent->d_name, &st, + AT_SYMLINK_NOFOLLOW); +#else + strncpy(fullpath + pathlen + 1, ent->d_name, + PATH_MAX - pathlen); + fullpath[PATH_MAX] = '\0'; + err = lstat(fullpath, &st); +#endif + if (err == -1) { + /* race with file deletion? */ + if (errno == ENOENT) + continue; + strncpy(fullpath + pathlen + 1, ent->d_name, + PATH_MAX - pathlen); + fullpath[PATH_MAX] = 0; + PyErr_SetFromErrnoWithFilename(PyExc_OSError, + fullpath); + goto error; + } + kind = st.st_mode & S_IFMT; + } + + /* quit early? */ + if (skip && kind == S_IFDIR && !strcmp(ent->d_name, skip)) { + ret = PyList_New(0); + goto error; + } + + if (keepstat) { + stat = makestat(&st); + if (!stat) + goto error; + elem = Py_BuildValue("siN", ent->d_name, kind, stat); + } else + elem = Py_BuildValue("si", ent->d_name, kind); + if (!elem) + goto error; + stat = NULL; + + PyList_Append(list, elem); + Py_DECREF(elem); + } + + ret = list; + Py_INCREF(ret); + +error: + Py_DECREF(list); + Py_XDECREF(stat); +error_list: + closedir(dir); + /* closedir also closes its dirfd */ + goto error_value; +error_dir: +#ifdef AT_SYMLINK_NOFOLLOW + close(dfd); +#endif +error_value: + return ret; +} + +#ifdef __APPLE__ + +typedef struct { + u_int32_t length; + attrreference_t name; + fsobj_type_t obj_type; + struct timespec mtime; +#if __LITTLE_ENDIAN__ + mode_t access_mask; + uint16_t padding; +#else + uint16_t padding; + mode_t access_mask; +#endif + off_t size; +} __attribute__((packed)) attrbuf_entry; + +int attrkind(attrbuf_entry *entry) +{ + switch (entry->obj_type) { + case VREG: return S_IFREG; + case VDIR: return S_IFDIR; + case VLNK: return S_IFLNK; + case VBLK: return S_IFBLK; + case VCHR: return S_IFCHR; + case VFIFO: return S_IFIFO; + case VSOCK: return S_IFSOCK; + } + return -1; +} + +/* get these many entries at a time */ +#define LISTDIR_BATCH_SIZE 50 + +static PyObject *_listdir_batch(char *path, int pathlen, int keepstat, + char *skip, bool *fallback) +{ + PyObject *list, *elem, *stat = NULL, *ret = NULL; + int kind, err; + unsigned long index; + unsigned int count, old_state, new_state; + bool state_seen = false; + attrbuf_entry *entry; + /* from the getattrlist(2) man page: a path can be no longer than + (NAME_MAX * 3 + 1) bytes. Also, "The getattrlist() function will + silently truncate attribute data if attrBufSize is too small." So + pass in a buffer big enough for the worst case. */ + char attrbuf[LISTDIR_BATCH_SIZE * (sizeof(attrbuf_entry) + NAME_MAX * 3 + 1)]; + unsigned int basep_unused; + + struct stat st; + int dfd = -1; + + /* these must match the attrbuf_entry struct, otherwise you'll end up + with garbage */ + struct attrlist requested_attr = {0}; + requested_attr.bitmapcount = ATTR_BIT_MAP_COUNT; + requested_attr.commonattr = (ATTR_CMN_NAME | ATTR_CMN_OBJTYPE | + ATTR_CMN_MODTIME | ATTR_CMN_ACCESSMASK); + requested_attr.fileattr = ATTR_FILE_DATALENGTH; + + *fallback = false; + + if (pathlen >= PATH_MAX) { + errno = ENAMETOOLONG; + PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); + goto error_value; + } + + dfd = open(path, O_RDONLY); + if (dfd == -1) { + PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); + goto error_value; + } + + list = PyList_New(0); + if (!list) + goto error_dir; + + do { + count = LISTDIR_BATCH_SIZE; + err = getdirentriesattr(dfd, &requested_attr, &attrbuf, + sizeof(attrbuf), &count, &basep_unused, + &new_state, 0); + if (err < 0) { + if (errno == ENOTSUP) { + /* We're on a filesystem that doesn't support + getdirentriesattr. Fall back to the + stat-based implementation. */ + *fallback = true; + } else + PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); + goto error; + } + + if (!state_seen) { + old_state = new_state; + state_seen = true; + } else if (old_state != new_state) { + /* There's an edge case with getdirentriesattr. Consider + the following initial list of files: + + a + b + <-- + c + d + + If the iteration is paused at the arrow, and b is + deleted before it is resumed, getdirentriesattr will + not return d at all! Ordinarily we're expected to + restart the iteration from the beginning. To avoid + getting stuck in a retry loop here, fall back to + stat. */ + *fallback = true; + goto error; + } + + entry = (attrbuf_entry *)attrbuf; + + for (index = 0; index < count; index++) { + char *filename = ((char *)&entry->name) + + entry->name.attr_dataoffset; + + if (!strcmp(filename, ".") || !strcmp(filename, "..")) + continue; + + kind = attrkind(entry); + if (kind == -1) { + PyErr_Format(PyExc_OSError, + "unknown object type %u for file " + "%s%s!", + entry->obj_type, path, filename); + goto error; + } + + /* quit early? */ + if (skip && kind == S_IFDIR && !strcmp(filename, skip)) { + ret = PyList_New(0); + goto error; + } + + if (keepstat) { + /* from the getattrlist(2) man page: "Only the + permission bits ... are valid". */ + st.st_mode = (entry->access_mask & ~S_IFMT) | kind; + st.st_mtime = entry->mtime.tv_sec; + st.st_size = entry->size; + stat = makestat(&st); + if (!stat) + goto error; + elem = Py_BuildValue("siN", filename, kind, stat); + } else + elem = Py_BuildValue("si", filename, kind); + if (!elem) + goto error; + stat = NULL; + + PyList_Append(list, elem); + Py_DECREF(elem); + + entry = (attrbuf_entry *)((char *)entry + entry->length); + } + } while (err == 0); + + ret = list; + Py_INCREF(ret); + +error: + Py_DECREF(list); + Py_XDECREF(stat); +error_dir: + close(dfd); +error_value: + return ret; +} + +#endif /* __APPLE__ */ + +static PyObject *_listdir(char *path, int pathlen, int keepstat, char *skip) +{ +#ifdef __APPLE__ + PyObject *ret; + bool fallback = false; + + ret = _listdir_batch(path, pathlen, keepstat, skip, &fallback); + if (ret != NULL || !fallback) + return ret; +#endif + return _listdir_stat(path, pathlen, keepstat, skip); +} + +static PyObject *statfiles(PyObject *self, PyObject *args) +{ + PyObject *names, *stats; + Py_ssize_t i, count; + + if (!PyArg_ParseTuple(args, "O:statfiles", &names)) + return NULL; + + count = PySequence_Length(names); + if (count == -1) { + PyErr_SetString(PyExc_TypeError, "not a sequence"); + return NULL; + } + + stats = PyList_New(count); + if (stats == NULL) + return NULL; + + for (i = 0; i < count; i++) { + PyObject *stat, *pypath; + struct stat st; + int ret, kind; + char *path; + + /* With a large file count or on a slow filesystem, + don't block signals for long (issue4878). */ + if ((i % 1000) == 999 && PyErr_CheckSignals() == -1) + goto bail; + + pypath = PySequence_GetItem(names, i); + if (!pypath) + goto bail; + path = PyBytes_AsString(pypath); + if (path == NULL) { + Py_DECREF(pypath); + PyErr_SetString(PyExc_TypeError, "not a string"); + goto bail; + } + ret = lstat(path, &st); + Py_DECREF(pypath); + kind = st.st_mode & S_IFMT; + if (ret != -1 && (kind == S_IFREG || kind == S_IFLNK)) { + stat = makestat(&st); + if (stat == NULL) + goto bail; + PyList_SET_ITEM(stats, i, stat); + } else { + Py_INCREF(Py_None); + PyList_SET_ITEM(stats, i, Py_None); + } + } + + return stats; + +bail: + Py_DECREF(stats); + return NULL; +} + +/* + * recvfds() simply does not release GIL during blocking io operation because + * command server is known to be single-threaded. + * + * Old systems such as Solaris don't provide CMSG_LEN, msg_control, etc. + * Currently, recvfds() is not supported on these platforms. + */ +#ifdef CMSG_LEN + +static ssize_t recvfdstobuf(int sockfd, int **rfds, void *cbuf, size_t cbufsize) +{ + char dummy[1]; + struct iovec iov = {dummy, sizeof(dummy)}; + struct msghdr msgh = {0}; + struct cmsghdr *cmsg; + + msgh.msg_iov = &iov; + msgh.msg_iovlen = 1; + msgh.msg_control = cbuf; + msgh.msg_controllen = (socklen_t)cbufsize; + if (recvmsg(sockfd, &msgh, 0) < 0) + return -1; + + for (cmsg = CMSG_FIRSTHDR(&msgh); cmsg; + cmsg = CMSG_NXTHDR(&msgh, cmsg)) { + if (cmsg->cmsg_level != SOL_SOCKET || + cmsg->cmsg_type != SCM_RIGHTS) + continue; + *rfds = (int *)CMSG_DATA(cmsg); + return (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int); + } + + *rfds = cbuf; + return 0; +} + +static PyObject *recvfds(PyObject *self, PyObject *args) +{ + int sockfd; + int *rfds = NULL; + ssize_t rfdscount, i; + char cbuf[256]; + PyObject *rfdslist = NULL; + + if (!PyArg_ParseTuple(args, "i", &sockfd)) + return NULL; + + rfdscount = recvfdstobuf(sockfd, &rfds, cbuf, sizeof(cbuf)); + if (rfdscount < 0) + return PyErr_SetFromErrno(PyExc_OSError); + + rfdslist = PyList_New(rfdscount); + if (!rfdslist) + goto bail; + for (i = 0; i < rfdscount; i++) { + PyObject *obj = PyLong_FromLong(rfds[i]); + if (!obj) + goto bail; + PyList_SET_ITEM(rfdslist, i, obj); + } + return rfdslist; + +bail: + Py_XDECREF(rfdslist); + return NULL; +} + +#endif /* CMSG_LEN */ + +#if defined(HAVE_SETPROCTITLE) +/* setproctitle is the first choice - available in FreeBSD */ +#define SETPROCNAME_USE_SETPROCTITLE +#elif (defined(__linux__) || defined(__APPLE__)) && PY_MAJOR_VERSION == 2 +/* rewrite the argv buffer in place - works in Linux and OS X. Py_GetArgcArgv + * in Python 3 returns the copied wchar_t **argv, thus unsupported. */ +#define SETPROCNAME_USE_ARGVREWRITE +#else +#define SETPROCNAME_USE_NONE +#endif + +#ifndef SETPROCNAME_USE_NONE +static PyObject *setprocname(PyObject *self, PyObject *args) +{ + const char *name = NULL; + if (!PyArg_ParseTuple(args, "s", &name)) + return NULL; + +#if defined(SETPROCNAME_USE_SETPROCTITLE) + setproctitle("%s", name); +#elif defined(SETPROCNAME_USE_ARGVREWRITE) + { + static char *argvstart = NULL; + static size_t argvsize = 0; + if (argvstart == NULL) { + int argc = 0, i; + char **argv = NULL; + char *argvend; + extern void Py_GetArgcArgv(int *argc, char ***argv); + Py_GetArgcArgv(&argc, &argv); + + /* Check the memory we can use. Typically, argv[i] and + * argv[i + 1] are continuous. */ + argvend = argvstart = argv[0]; + for (i = 0; i < argc; ++i) { + if (argv[i] > argvend || argv[i] < argvstart) + break; /* not continuous */ + size_t len = strlen(argv[i]); + argvend = argv[i] + len + 1 /* '\0' */; + } + if (argvend > argvstart) /* sanity check */ + argvsize = argvend - argvstart; + } + + if (argvstart && argvsize > 1) { + int n = snprintf(argvstart, argvsize, "%s", name); + if (n >= 0 && (size_t)n < argvsize) + memset(argvstart + n, 0, argvsize - n); + } + } +#endif + + Py_RETURN_NONE; +} +#endif /* ndef SETPROCNAME_USE_NONE */ + +#if defined(HAVE_BSD_STATFS) +static const char *describefstype(const struct statfs *pbuf) +{ + /* BSD or OSX provides a f_fstypename field */ + return pbuf->f_fstypename; +} +#elif defined(HAVE_LINUX_STATFS) +static const char *describefstype(const struct statfs *pbuf) +{ + /* Begin of Linux filesystems */ +#ifdef ADFS_SUPER_MAGIC + if (pbuf->f_type == ADFS_SUPER_MAGIC) + return "adfs"; +#endif +#ifdef AFFS_SUPER_MAGIC + if (pbuf->f_type == AFFS_SUPER_MAGIC) + return "affs"; +#endif +#ifdef AUTOFS_SUPER_MAGIC + if (pbuf->f_type == AUTOFS_SUPER_MAGIC) + return "autofs"; +#endif +#ifdef BDEVFS_MAGIC + if (pbuf->f_type == BDEVFS_MAGIC) + return "bdevfs"; +#endif +#ifdef BEFS_SUPER_MAGIC + if (pbuf->f_type == BEFS_SUPER_MAGIC) + return "befs"; +#endif +#ifdef BFS_MAGIC + if (pbuf->f_type == BFS_MAGIC) + return "bfs"; +#endif +#ifdef BINFMTFS_MAGIC + if (pbuf->f_type == BINFMTFS_MAGIC) + return "binfmtfs"; +#endif +#ifdef BTRFS_SUPER_MAGIC + if (pbuf->f_type == BTRFS_SUPER_MAGIC) + return "btrfs"; +#endif +#ifdef CGROUP_SUPER_MAGIC + if (pbuf->f_type == CGROUP_SUPER_MAGIC) + return "cgroup"; +#endif +#ifdef CIFS_MAGIC_NUMBER + if (pbuf->f_type == CIFS_MAGIC_NUMBER) + return "cifs"; +#endif +#ifdef CODA_SUPER_MAGIC + if (pbuf->f_type == CODA_SUPER_MAGIC) + return "coda"; +#endif +#ifdef COH_SUPER_MAGIC + if (pbuf->f_type == COH_SUPER_MAGIC) + return "coh"; +#endif +#ifdef CRAMFS_MAGIC + if (pbuf->f_type == CRAMFS_MAGIC) + return "cramfs"; +#endif +#ifdef DEBUGFS_MAGIC + if (pbuf->f_type == DEBUGFS_MAGIC) + return "debugfs"; +#endif +#ifdef DEVFS_SUPER_MAGIC + if (pbuf->f_type == DEVFS_SUPER_MAGIC) + return "devfs"; +#endif +#ifdef DEVPTS_SUPER_MAGIC + if (pbuf->f_type == DEVPTS_SUPER_MAGIC) + return "devpts"; +#endif +#ifdef EFIVARFS_MAGIC + if (pbuf->f_type == EFIVARFS_MAGIC) + return "efivarfs"; +#endif +#ifdef EFS_SUPER_MAGIC + if (pbuf->f_type == EFS_SUPER_MAGIC) + return "efs"; +#endif +#ifdef EXT_SUPER_MAGIC + if (pbuf->f_type == EXT_SUPER_MAGIC) + return "ext"; +#endif +#ifdef EXT2_OLD_SUPER_MAGIC + if (pbuf->f_type == EXT2_OLD_SUPER_MAGIC) + return "ext2"; +#endif +#ifdef EXT2_SUPER_MAGIC + if (pbuf->f_type == EXT2_SUPER_MAGIC) + return "ext2"; +#endif +#ifdef EXT3_SUPER_MAGIC + if (pbuf->f_type == EXT3_SUPER_MAGIC) + return "ext3"; +#endif +#ifdef EXT4_SUPER_MAGIC + if (pbuf->f_type == EXT4_SUPER_MAGIC) + return "ext4"; +#endif +#ifdef F2FS_SUPER_MAGIC + if (pbuf->f_type == F2FS_SUPER_MAGIC) + return "f2fs"; +#endif +#ifdef FUSE_SUPER_MAGIC + if (pbuf->f_type == FUSE_SUPER_MAGIC) + return "fuse"; +#endif +#ifdef FUTEXFS_SUPER_MAGIC + if (pbuf->f_type == FUTEXFS_SUPER_MAGIC) + return "futexfs"; +#endif +#ifdef HFS_SUPER_MAGIC + if (pbuf->f_type == HFS_SUPER_MAGIC) + return "hfs"; +#endif +#ifdef HOSTFS_SUPER_MAGIC + if (pbuf->f_type == HOSTFS_SUPER_MAGIC) + return "hostfs"; +#endif +#ifdef HPFS_SUPER_MAGIC + if (pbuf->f_type == HPFS_SUPER_MAGIC) + return "hpfs"; +#endif +#ifdef HUGETLBFS_MAGIC + if (pbuf->f_type == HUGETLBFS_MAGIC) + return "hugetlbfs"; +#endif +#ifdef ISOFS_SUPER_MAGIC + if (pbuf->f_type == ISOFS_SUPER_MAGIC) + return "isofs"; +#endif +#ifdef JFFS2_SUPER_MAGIC + if (pbuf->f_type == JFFS2_SUPER_MAGIC) + return "jffs2"; +#endif +#ifdef JFS_SUPER_MAGIC + if (pbuf->f_type == JFS_SUPER_MAGIC) + return "jfs"; +#endif +#ifdef MINIX_SUPER_MAGIC + if (pbuf->f_type == MINIX_SUPER_MAGIC) + return "minix"; +#endif +#ifdef MINIX2_SUPER_MAGIC + if (pbuf->f_type == MINIX2_SUPER_MAGIC) + return "minix2"; +#endif +#ifdef MINIX3_SUPER_MAGIC + if (pbuf->f_type == MINIX3_SUPER_MAGIC) + return "minix3"; +#endif +#ifdef MQUEUE_MAGIC + if (pbuf->f_type == MQUEUE_MAGIC) + return "mqueue"; +#endif +#ifdef MSDOS_SUPER_MAGIC + if (pbuf->f_type == MSDOS_SUPER_MAGIC) + return "msdos"; +#endif +#ifdef NCP_SUPER_MAGIC + if (pbuf->f_type == NCP_SUPER_MAGIC) + return "ncp"; +#endif +#ifdef NFS_SUPER_MAGIC + if (pbuf->f_type == NFS_SUPER_MAGIC) + return "nfs"; +#endif +#ifdef NILFS_SUPER_MAGIC + if (pbuf->f_type == NILFS_SUPER_MAGIC) + return "nilfs"; +#endif +#ifdef NTFS_SB_MAGIC + if (pbuf->f_type == NTFS_SB_MAGIC) + return "ntfs-sb"; +#endif +#ifdef OCFS2_SUPER_MAGIC + if (pbuf->f_type == OCFS2_SUPER_MAGIC) + return "ocfs2"; +#endif +#ifdef OPENPROM_SUPER_MAGIC + if (pbuf->f_type == OPENPROM_SUPER_MAGIC) + return "openprom"; +#endif +#ifdef OVERLAYFS_SUPER_MAGIC + if (pbuf->f_type == OVERLAYFS_SUPER_MAGIC) + return "overlay"; +#endif +#ifdef PIPEFS_MAGIC + if (pbuf->f_type == PIPEFS_MAGIC) + return "pipefs"; +#endif +#ifdef PROC_SUPER_MAGIC + if (pbuf->f_type == PROC_SUPER_MAGIC) + return "proc"; +#endif +#ifdef PSTOREFS_MAGIC + if (pbuf->f_type == PSTOREFS_MAGIC) + return "pstorefs"; +#endif +#ifdef QNX4_SUPER_MAGIC + if (pbuf->f_type == QNX4_SUPER_MAGIC) + return "qnx4"; +#endif +#ifdef QNX6_SUPER_MAGIC + if (pbuf->f_type == QNX6_SUPER_MAGIC) + return "qnx6"; +#endif +#ifdef RAMFS_MAGIC + if (pbuf->f_type == RAMFS_MAGIC) + return "ramfs"; +#endif +#ifdef REISERFS_SUPER_MAGIC + if (pbuf->f_type == REISERFS_SUPER_MAGIC) + return "reiserfs"; +#endif +#ifdef ROMFS_MAGIC + if (pbuf->f_type == ROMFS_MAGIC) + return "romfs"; +#endif +#ifdef SECURITYFS_MAGIC + if (pbuf->f_type == SECURITYFS_MAGIC) + return "securityfs"; +#endif +#ifdef SELINUX_MAGIC + if (pbuf->f_type == SELINUX_MAGIC) + return "selinux"; +#endif +#ifdef SMACK_MAGIC + if (pbuf->f_type == SMACK_MAGIC) + return "smack"; +#endif +#ifdef SMB_SUPER_MAGIC + if (pbuf->f_type == SMB_SUPER_MAGIC) + return "smb"; +#endif +#ifdef SOCKFS_MAGIC + if (pbuf->f_type == SOCKFS_MAGIC) + return "sockfs"; +#endif +#ifdef SQUASHFS_MAGIC + if (pbuf->f_type == SQUASHFS_MAGIC) + return "squashfs"; +#endif +#ifdef SYSFS_MAGIC + if (pbuf->f_type == SYSFS_MAGIC) + return "sysfs"; +#endif +#ifdef SYSV2_SUPER_MAGIC + if (pbuf->f_type == SYSV2_SUPER_MAGIC) + return "sysv2"; +#endif +#ifdef SYSV4_SUPER_MAGIC + if (pbuf->f_type == SYSV4_SUPER_MAGIC) + return "sysv4"; +#endif +#ifdef TMPFS_MAGIC + if (pbuf->f_type == TMPFS_MAGIC) + return "tmpfs"; +#endif +#ifdef UDF_SUPER_MAGIC + if (pbuf->f_type == UDF_SUPER_MAGIC) + return "udf"; +#endif +#ifdef UFS_MAGIC + if (pbuf->f_type == UFS_MAGIC) + return "ufs"; +#endif +#ifdef USBDEVICE_SUPER_MAGIC + if (pbuf->f_type == USBDEVICE_SUPER_MAGIC) + return "usbdevice"; +#endif +#ifdef V9FS_MAGIC + if (pbuf->f_type == V9FS_MAGIC) + return "v9fs"; +#endif +#ifdef VXFS_SUPER_MAGIC + if (pbuf->f_type == VXFS_SUPER_MAGIC) + return "vxfs"; +#endif +#ifdef XENFS_SUPER_MAGIC + if (pbuf->f_type == XENFS_SUPER_MAGIC) + return "xenfs"; +#endif +#ifdef XENIX_SUPER_MAGIC + if (pbuf->f_type == XENIX_SUPER_MAGIC) + return "xenix"; +#endif +#ifdef XFS_SUPER_MAGIC + if (pbuf->f_type == XFS_SUPER_MAGIC) + return "xfs"; +#endif + /* End of Linux filesystems */ + return NULL; +} +#endif /* def HAVE_LINUX_STATFS */ + +#if defined(HAVE_BSD_STATFS) || defined(HAVE_LINUX_STATFS) +/* given a directory path, return filesystem type name (best-effort) */ +static PyObject *getfstype(PyObject *self, PyObject *args) +{ + const char *path = NULL; + struct statfs buf; + int r; + if (!PyArg_ParseTuple(args, "s", &path)) + return NULL; + + memset(&buf, 0, sizeof(buf)); + r = statfs(path, &buf); + if (r != 0) + return PyErr_SetFromErrno(PyExc_OSError); + return Py_BuildValue("s", describefstype(&buf)); +} +#endif /* defined(HAVE_LINUX_STATFS) || defined(HAVE_BSD_STATFS) */ + +#endif /* ndef _WIN32 */ + +static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs) +{ + PyObject *statobj = NULL; /* initialize - optional arg */ + PyObject *skipobj = NULL; /* initialize - optional arg */ + char *path, *skip = NULL; + int wantstat, plen; + + static char *kwlist[] = {"path", "stat", "skip", NULL}; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|OO:listdir", + kwlist, &path, &plen, &statobj, &skipobj)) + return NULL; + + wantstat = statobj && PyObject_IsTrue(statobj); + + if (skipobj && skipobj != Py_None) { + skip = PyBytes_AsString(skipobj); + if (!skip) + return NULL; + } + + return _listdir(path, plen, wantstat, skip); +} + +#ifdef _WIN32 +static PyObject *posixfile(PyObject *self, PyObject *args, PyObject *kwds) +{ + static char *kwlist[] = {"name", "mode", "buffering", NULL}; + PyObject *file_obj = NULL; + char *name = NULL; + char *mode = "rb"; + DWORD access = 0; + DWORD creation; + HANDLE handle; + int fd, flags = 0; + int bufsize = -1; + char m0, m1, m2; + char fpmode[4]; + int fppos = 0; + int plus; + FILE *fp; + + if (!PyArg_ParseTupleAndKeywords(args, kwds, "et|si:posixfile", kwlist, + Py_FileSystemDefaultEncoding, + &name, &mode, &bufsize)) + return NULL; + + m0 = mode[0]; + m1 = m0 ? mode[1] : '\0'; + m2 = m1 ? mode[2] : '\0'; + plus = m1 == '+' || m2 == '+'; + + fpmode[fppos++] = m0; + if (m1 == 'b' || m2 == 'b') { + flags = _O_BINARY; + fpmode[fppos++] = 'b'; + } + else + flags = _O_TEXT; + if (m0 == 'r' && !plus) { + flags |= _O_RDONLY; + access = GENERIC_READ; + } else { + /* + work around http://support.microsoft.com/kb/899149 and + set _O_RDWR for 'w' and 'a', even if mode has no '+' + */ + flags |= _O_RDWR; + access = GENERIC_READ | GENERIC_WRITE; + fpmode[fppos++] = '+'; + } + fpmode[fppos++] = '\0'; + + switch (m0) { + case 'r': + creation = OPEN_EXISTING; + break; + case 'w': + creation = CREATE_ALWAYS; + break; + case 'a': + creation = OPEN_ALWAYS; + flags |= _O_APPEND; + break; + default: + PyErr_Format(PyExc_ValueError, + "mode string must begin with one of 'r', 'w', " + "or 'a', not '%c'", m0); + goto bail; + } + + handle = CreateFile(name, access, + FILE_SHARE_READ | FILE_SHARE_WRITE | + FILE_SHARE_DELETE, + NULL, + creation, + FILE_ATTRIBUTE_NORMAL, + 0); + + if (handle == INVALID_HANDLE_VALUE) { + PyErr_SetFromWindowsErrWithFilename(GetLastError(), name); + goto bail; + } + + fd = _open_osfhandle((intptr_t)handle, flags); + + if (fd == -1) { + CloseHandle(handle); + PyErr_SetFromErrnoWithFilename(PyExc_IOError, name); + goto bail; + } +#ifndef IS_PY3K + fp = _fdopen(fd, fpmode); + if (fp == NULL) { + _close(fd); + PyErr_SetFromErrnoWithFilename(PyExc_IOError, name); + goto bail; + } + + file_obj = PyFile_FromFile(fp, name, mode, fclose); + if (file_obj == NULL) { + fclose(fp); + goto bail; + } + + PyFile_SetBufSize(file_obj, bufsize); +#else + file_obj = PyFile_FromFd(fd, name, mode, bufsize, NULL, NULL, NULL, 1); + if (file_obj == NULL) + goto bail; +#endif +bail: + PyMem_Free(name); + return file_obj; +} +#endif + +#ifdef __APPLE__ +#include <ApplicationServices/ApplicationServices.h> + +static PyObject *isgui(PyObject *self) +{ + CFDictionaryRef dict = CGSessionCopyCurrentDictionary(); + + if (dict != NULL) { + CFRelease(dict); + Py_RETURN_TRUE; + } else { + Py_RETURN_FALSE; + } +} +#endif + +static char osutil_doc[] = "Native operating system services."; + +static PyMethodDef methods[] = { + {"listdir", (PyCFunction)listdir, METH_VARARGS | METH_KEYWORDS, + "list a directory\n"}, +#ifdef _WIN32 + {"posixfile", (PyCFunction)posixfile, METH_VARARGS | METH_KEYWORDS, + "Open a file with POSIX-like semantics.\n" +"On error, this function may raise either a WindowsError or an IOError."}, +#else + {"statfiles", (PyCFunction)statfiles, METH_VARARGS | METH_KEYWORDS, + "stat a series of files or symlinks\n" +"Returns None for non-existent entries and entries of other types.\n"}, +#ifdef CMSG_LEN + {"recvfds", (PyCFunction)recvfds, METH_VARARGS, + "receive list of file descriptors via socket\n"}, +#endif +#ifndef SETPROCNAME_USE_NONE + {"setprocname", (PyCFunction)setprocname, METH_VARARGS, + "set process title (best-effort)\n"}, +#endif +#if defined(HAVE_BSD_STATFS) || defined(HAVE_LINUX_STATFS) + {"getfstype", (PyCFunction)getfstype, METH_VARARGS, + "get filesystem type (best-effort)\n"}, +#endif +#endif /* ndef _WIN32 */ +#ifdef __APPLE__ + { + "isgui", (PyCFunction)isgui, METH_NOARGS, + "Is a CoreGraphics session available?" + }, +#endif + {NULL, NULL} +}; + +static const int version = 1; + +#ifdef IS_PY3K +static struct PyModuleDef osutil_module = { + PyModuleDef_HEAD_INIT, + "osutil", + osutil_doc, + -1, + methods +}; + +PyMODINIT_FUNC PyInit_osutil(void) +{ + PyObject *m; + if (PyType_Ready(&listdir_stat_type) < 0) + return NULL; + + m = PyModule_Create(&osutil_module); + PyModule_AddIntConstant(m, "version", version); + return m; +} +#else +PyMODINIT_FUNC initosutil(void) +{ + PyObject *m; + if (PyType_Ready(&listdir_stat_type) == -1) + return; + + m = Py_InitModule3("osutil", methods, osutil_doc); + PyModule_AddIntConstant(m, "version", version); +} +#endif
--- a/mercurial/debugcommands.py Fri Aug 12 11:30:17 2016 +0900 +++ b/mercurial/debugcommands.py Fri Aug 12 11:35:17 2016 +0900 @@ -1029,6 +1029,8 @@ base85, bdiff, mpatch, + ) + from .cext import ( osutil, ) dir(bdiff), dir(mpatch), dir(base85), dir(osutil) # quiet pyflakes
--- a/mercurial/osutil.c Fri Aug 12 11:30:17 2016 +0900 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1335 +0,0 @@ -/* - osutil.c - native operating system services - - Copyright 2007 Matt Mackall and others - - This software may be used and distributed according to the terms of - the GNU General Public License, incorporated herein by reference. -*/ - -#define _ATFILE_SOURCE -#include <Python.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> - -#ifdef _WIN32 -#include <windows.h> -#include <io.h> -#else -#include <dirent.h> -#include <sys/socket.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <unistd.h> -#ifdef HAVE_LINUX_STATFS -#include <linux/magic.h> -#include <sys/vfs.h> -#endif -#ifdef HAVE_BSD_STATFS -#include <sys/mount.h> -#include <sys/param.h> -#endif -#endif - -#ifdef __APPLE__ -#include <sys/attr.h> -#include <sys/vnode.h> -#endif - -#include "util.h" - -/* some platforms lack the PATH_MAX definition (eg. GNU/Hurd) */ -#ifndef PATH_MAX -#define PATH_MAX 4096 -#endif - -#ifdef _WIN32 -/* -stat struct compatible with hg expectations -Mercurial only uses st_mode, st_size and st_mtime -the rest is kept to minimize changes between implementations -*/ -struct hg_stat { - int st_dev; - int st_mode; - int st_nlink; - __int64 st_size; - int st_mtime; - int st_ctime; -}; -struct listdir_stat { - PyObject_HEAD - struct hg_stat st; -}; -#else -struct listdir_stat { - PyObject_HEAD - struct stat st; -}; -#endif - -#ifdef IS_PY3K -#define listdir_slot(name) \ - static PyObject *listdir_stat_##name(PyObject *self, void *x) \ - { \ - return PyLong_FromLong(((struct listdir_stat *)self)->st.name); \ - } -#else -#define listdir_slot(name) \ - static PyObject *listdir_stat_##name(PyObject *self, void *x) \ - { \ - return PyInt_FromLong(((struct listdir_stat *)self)->st.name); \ - } -#endif - -listdir_slot(st_dev) -listdir_slot(st_mode) -listdir_slot(st_nlink) -#ifdef _WIN32 -static PyObject *listdir_stat_st_size(PyObject *self, void *x) -{ - return PyLong_FromLongLong( - (PY_LONG_LONG)((struct listdir_stat *)self)->st.st_size); -} -#else -listdir_slot(st_size) -#endif -listdir_slot(st_mtime) -listdir_slot(st_ctime) - -static struct PyGetSetDef listdir_stat_getsets[] = { - {"st_dev", listdir_stat_st_dev, 0, 0, 0}, - {"st_mode", listdir_stat_st_mode, 0, 0, 0}, - {"st_nlink", listdir_stat_st_nlink, 0, 0, 0}, - {"st_size", listdir_stat_st_size, 0, 0, 0}, - {"st_mtime", listdir_stat_st_mtime, 0, 0, 0}, - {"st_ctime", listdir_stat_st_ctime, 0, 0, 0}, - {0, 0, 0, 0, 0} -}; - -static PyObject *listdir_stat_new(PyTypeObject *t, PyObject *a, PyObject *k) -{ - return t->tp_alloc(t, 0); -} - -static void listdir_stat_dealloc(PyObject *o) -{ - o->ob_type->tp_free(o); -} - -static PyTypeObject listdir_stat_type = { - PyVarObject_HEAD_INIT(NULL, 0) - "osutil.stat", /*tp_name*/ - sizeof(struct listdir_stat), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)listdir_stat_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ - "stat objects", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - 0, /* tp_methods */ - 0, /* tp_members */ - listdir_stat_getsets, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - 0, /* tp_init */ - 0, /* tp_alloc */ - listdir_stat_new, /* tp_new */ -}; - -#ifdef _WIN32 - -static int to_python_time(const FILETIME *tm) -{ - /* number of seconds between epoch and January 1 1601 */ - const __int64 a0 = (__int64)134774L * (__int64)24L * (__int64)3600L; - /* conversion factor from 100ns to 1s */ - const __int64 a1 = 10000000; - /* explicit (int) cast to suspend compiler warnings */ - return (int)((((__int64)tm->dwHighDateTime << 32) - + tm->dwLowDateTime) / a1 - a0); -} - -static PyObject *make_item(const WIN32_FIND_DATAA *fd, int wantstat) -{ - PyObject *py_st; - struct hg_stat *stp; - - int kind = (fd->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) - ? _S_IFDIR : _S_IFREG; - - if (!wantstat) - return Py_BuildValue("si", fd->cFileName, kind); - - py_st = PyObject_CallObject((PyObject *)&listdir_stat_type, NULL); - if (!py_st) - return NULL; - - stp = &((struct listdir_stat *)py_st)->st; - /* - use kind as st_mode - rwx bits on Win32 are meaningless - and Hg does not use them anyway - */ - stp->st_mode = kind; - stp->st_mtime = to_python_time(&fd->ftLastWriteTime); - stp->st_ctime = to_python_time(&fd->ftCreationTime); - if (kind == _S_IFREG) - stp->st_size = ((__int64)fd->nFileSizeHigh << 32) - + fd->nFileSizeLow; - return Py_BuildValue("siN", fd->cFileName, - kind, py_st); -} - -static PyObject *_listdir(char *path, int plen, int wantstat, char *skip) -{ - PyObject *rval = NULL; /* initialize - return value */ - PyObject *list; - HANDLE fh; - WIN32_FIND_DATAA fd; - char *pattern; - - /* build the path + \* pattern string */ - pattern = PyMem_Malloc(plen + 3); /* path + \* + \0 */ - if (!pattern) { - PyErr_NoMemory(); - goto error_nomem; - } - memcpy(pattern, path, plen); - - if (plen > 0) { - char c = path[plen-1]; - if (c != ':' && c != '/' && c != '\\') - pattern[plen++] = '\\'; - } - pattern[plen++] = '*'; - pattern[plen] = '\0'; - - fh = FindFirstFileA(pattern, &fd); - if (fh == INVALID_HANDLE_VALUE) { - PyErr_SetFromWindowsErrWithFilename(GetLastError(), path); - goto error_file; - } - - list = PyList_New(0); - if (!list) - goto error_list; - - do { - PyObject *item; - - if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { - if (!strcmp(fd.cFileName, ".") - || !strcmp(fd.cFileName, "..")) - continue; - - if (skip && !strcmp(fd.cFileName, skip)) { - rval = PyList_New(0); - goto error; - } - } - - item = make_item(&fd, wantstat); - if (!item) - goto error; - - if (PyList_Append(list, item)) { - Py_XDECREF(item); - goto error; - } - - Py_XDECREF(item); - } while (FindNextFileA(fh, &fd)); - - if (GetLastError() != ERROR_NO_MORE_FILES) { - PyErr_SetFromWindowsErrWithFilename(GetLastError(), path); - goto error; - } - - rval = list; - Py_XINCREF(rval); -error: - Py_XDECREF(list); -error_list: - FindClose(fh); -error_file: - PyMem_Free(pattern); -error_nomem: - return rval; -} - -#else - -int entkind(struct dirent *ent) -{ -#ifdef DT_REG - switch (ent->d_type) { - case DT_REG: return S_IFREG; - case DT_DIR: return S_IFDIR; - case DT_LNK: return S_IFLNK; - case DT_BLK: return S_IFBLK; - case DT_CHR: return S_IFCHR; - case DT_FIFO: return S_IFIFO; - case DT_SOCK: return S_IFSOCK; - } -#endif - return -1; -} - -static PyObject *makestat(const struct stat *st) -{ - PyObject *stat; - - stat = PyObject_CallObject((PyObject *)&listdir_stat_type, NULL); - if (stat) - memcpy(&((struct listdir_stat *)stat)->st, st, sizeof(*st)); - return stat; -} - -static PyObject *_listdir_stat(char *path, int pathlen, int keepstat, - char *skip) -{ - PyObject *list, *elem, *stat = NULL, *ret = NULL; - char fullpath[PATH_MAX + 10]; - int kind, err; - struct stat st; - struct dirent *ent; - DIR *dir; -#ifdef AT_SYMLINK_NOFOLLOW - int dfd = -1; -#endif - - if (pathlen >= PATH_MAX) { - errno = ENAMETOOLONG; - PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); - goto error_value; - } - strncpy(fullpath, path, PATH_MAX); - fullpath[pathlen] = '/'; - -#ifdef AT_SYMLINK_NOFOLLOW - dfd = open(path, O_RDONLY); - if (dfd == -1) { - PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); - goto error_value; - } - dir = fdopendir(dfd); -#else - dir = opendir(path); -#endif - if (!dir) { - PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); - goto error_dir; - } - - list = PyList_New(0); - if (!list) - goto error_list; - - while ((ent = readdir(dir))) { - if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) - continue; - - kind = entkind(ent); - if (kind == -1 || keepstat) { -#ifdef AT_SYMLINK_NOFOLLOW - err = fstatat(dfd, ent->d_name, &st, - AT_SYMLINK_NOFOLLOW); -#else - strncpy(fullpath + pathlen + 1, ent->d_name, - PATH_MAX - pathlen); - fullpath[PATH_MAX] = '\0'; - err = lstat(fullpath, &st); -#endif - if (err == -1) { - /* race with file deletion? */ - if (errno == ENOENT) - continue; - strncpy(fullpath + pathlen + 1, ent->d_name, - PATH_MAX - pathlen); - fullpath[PATH_MAX] = 0; - PyErr_SetFromErrnoWithFilename(PyExc_OSError, - fullpath); - goto error; - } - kind = st.st_mode & S_IFMT; - } - - /* quit early? */ - if (skip && kind == S_IFDIR && !strcmp(ent->d_name, skip)) { - ret = PyList_New(0); - goto error; - } - - if (keepstat) { - stat = makestat(&st); - if (!stat) - goto error; - elem = Py_BuildValue("siN", ent->d_name, kind, stat); - } else - elem = Py_BuildValue("si", ent->d_name, kind); - if (!elem) - goto error; - stat = NULL; - - PyList_Append(list, elem); - Py_DECREF(elem); - } - - ret = list; - Py_INCREF(ret); - -error: - Py_DECREF(list); - Py_XDECREF(stat); -error_list: - closedir(dir); - /* closedir also closes its dirfd */ - goto error_value; -error_dir: -#ifdef AT_SYMLINK_NOFOLLOW - close(dfd); -#endif -error_value: - return ret; -} - -#ifdef __APPLE__ - -typedef struct { - u_int32_t length; - attrreference_t name; - fsobj_type_t obj_type; - struct timespec mtime; -#if __LITTLE_ENDIAN__ - mode_t access_mask; - uint16_t padding; -#else - uint16_t padding; - mode_t access_mask; -#endif - off_t size; -} __attribute__((packed)) attrbuf_entry; - -int attrkind(attrbuf_entry *entry) -{ - switch (entry->obj_type) { - case VREG: return S_IFREG; - case VDIR: return S_IFDIR; - case VLNK: return S_IFLNK; - case VBLK: return S_IFBLK; - case VCHR: return S_IFCHR; - case VFIFO: return S_IFIFO; - case VSOCK: return S_IFSOCK; - } - return -1; -} - -/* get these many entries at a time */ -#define LISTDIR_BATCH_SIZE 50 - -static PyObject *_listdir_batch(char *path, int pathlen, int keepstat, - char *skip, bool *fallback) -{ - PyObject *list, *elem, *stat = NULL, *ret = NULL; - int kind, err; - unsigned long index; - unsigned int count, old_state, new_state; - bool state_seen = false; - attrbuf_entry *entry; - /* from the getattrlist(2) man page: a path can be no longer than - (NAME_MAX * 3 + 1) bytes. Also, "The getattrlist() function will - silently truncate attribute data if attrBufSize is too small." So - pass in a buffer big enough for the worst case. */ - char attrbuf[LISTDIR_BATCH_SIZE * (sizeof(attrbuf_entry) + NAME_MAX * 3 + 1)]; - unsigned int basep_unused; - - struct stat st; - int dfd = -1; - - /* these must match the attrbuf_entry struct, otherwise you'll end up - with garbage */ - struct attrlist requested_attr = {0}; - requested_attr.bitmapcount = ATTR_BIT_MAP_COUNT; - requested_attr.commonattr = (ATTR_CMN_NAME | ATTR_CMN_OBJTYPE | - ATTR_CMN_MODTIME | ATTR_CMN_ACCESSMASK); - requested_attr.fileattr = ATTR_FILE_DATALENGTH; - - *fallback = false; - - if (pathlen >= PATH_MAX) { - errno = ENAMETOOLONG; - PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); - goto error_value; - } - - dfd = open(path, O_RDONLY); - if (dfd == -1) { - PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); - goto error_value; - } - - list = PyList_New(0); - if (!list) - goto error_dir; - - do { - count = LISTDIR_BATCH_SIZE; - err = getdirentriesattr(dfd, &requested_attr, &attrbuf, - sizeof(attrbuf), &count, &basep_unused, - &new_state, 0); - if (err < 0) { - if (errno == ENOTSUP) { - /* We're on a filesystem that doesn't support - getdirentriesattr. Fall back to the - stat-based implementation. */ - *fallback = true; - } else - PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); - goto error; - } - - if (!state_seen) { - old_state = new_state; - state_seen = true; - } else if (old_state != new_state) { - /* There's an edge case with getdirentriesattr. Consider - the following initial list of files: - - a - b - <-- - c - d - - If the iteration is paused at the arrow, and b is - deleted before it is resumed, getdirentriesattr will - not return d at all! Ordinarily we're expected to - restart the iteration from the beginning. To avoid - getting stuck in a retry loop here, fall back to - stat. */ - *fallback = true; - goto error; - } - - entry = (attrbuf_entry *)attrbuf; - - for (index = 0; index < count; index++) { - char *filename = ((char *)&entry->name) + - entry->name.attr_dataoffset; - - if (!strcmp(filename, ".") || !strcmp(filename, "..")) - continue; - - kind = attrkind(entry); - if (kind == -1) { - PyErr_Format(PyExc_OSError, - "unknown object type %u for file " - "%s%s!", - entry->obj_type, path, filename); - goto error; - } - - /* quit early? */ - if (skip && kind == S_IFDIR && !strcmp(filename, skip)) { - ret = PyList_New(0); - goto error; - } - - if (keepstat) { - /* from the getattrlist(2) man page: "Only the - permission bits ... are valid". */ - st.st_mode = (entry->access_mask & ~S_IFMT) | kind; - st.st_mtime = entry->mtime.tv_sec; - st.st_size = entry->size; - stat = makestat(&st); - if (!stat) - goto error; - elem = Py_BuildValue("siN", filename, kind, stat); - } else - elem = Py_BuildValue("si", filename, kind); - if (!elem) - goto error; - stat = NULL; - - PyList_Append(list, elem); - Py_DECREF(elem); - - entry = (attrbuf_entry *)((char *)entry + entry->length); - } - } while (err == 0); - - ret = list; - Py_INCREF(ret); - -error: - Py_DECREF(list); - Py_XDECREF(stat); -error_dir: - close(dfd); -error_value: - return ret; -} - -#endif /* __APPLE__ */ - -static PyObject *_listdir(char *path, int pathlen, int keepstat, char *skip) -{ -#ifdef __APPLE__ - PyObject *ret; - bool fallback = false; - - ret = _listdir_batch(path, pathlen, keepstat, skip, &fallback); - if (ret != NULL || !fallback) - return ret; -#endif - return _listdir_stat(path, pathlen, keepstat, skip); -} - -static PyObject *statfiles(PyObject *self, PyObject *args) -{ - PyObject *names, *stats; - Py_ssize_t i, count; - - if (!PyArg_ParseTuple(args, "O:statfiles", &names)) - return NULL; - - count = PySequence_Length(names); - if (count == -1) { - PyErr_SetString(PyExc_TypeError, "not a sequence"); - return NULL; - } - - stats = PyList_New(count); - if (stats == NULL) - return NULL; - - for (i = 0; i < count; i++) { - PyObject *stat, *pypath; - struct stat st; - int ret, kind; - char *path; - - /* With a large file count or on a slow filesystem, - don't block signals for long (issue4878). */ - if ((i % 1000) == 999 && PyErr_CheckSignals() == -1) - goto bail; - - pypath = PySequence_GetItem(names, i); - if (!pypath) - goto bail; - path = PyBytes_AsString(pypath); - if (path == NULL) { - Py_DECREF(pypath); - PyErr_SetString(PyExc_TypeError, "not a string"); - goto bail; - } - ret = lstat(path, &st); - Py_DECREF(pypath); - kind = st.st_mode & S_IFMT; - if (ret != -1 && (kind == S_IFREG || kind == S_IFLNK)) { - stat = makestat(&st); - if (stat == NULL) - goto bail; - PyList_SET_ITEM(stats, i, stat); - } else { - Py_INCREF(Py_None); - PyList_SET_ITEM(stats, i, Py_None); - } - } - - return stats; - -bail: - Py_DECREF(stats); - return NULL; -} - -/* - * recvfds() simply does not release GIL during blocking io operation because - * command server is known to be single-threaded. - * - * Old systems such as Solaris don't provide CMSG_LEN, msg_control, etc. - * Currently, recvfds() is not supported on these platforms. - */ -#ifdef CMSG_LEN - -static ssize_t recvfdstobuf(int sockfd, int **rfds, void *cbuf, size_t cbufsize) -{ - char dummy[1]; - struct iovec iov = {dummy, sizeof(dummy)}; - struct msghdr msgh = {0}; - struct cmsghdr *cmsg; - - msgh.msg_iov = &iov; - msgh.msg_iovlen = 1; - msgh.msg_control = cbuf; - msgh.msg_controllen = (socklen_t)cbufsize; - if (recvmsg(sockfd, &msgh, 0) < 0) - return -1; - - for (cmsg = CMSG_FIRSTHDR(&msgh); cmsg; - cmsg = CMSG_NXTHDR(&msgh, cmsg)) { - if (cmsg->cmsg_level != SOL_SOCKET || - cmsg->cmsg_type != SCM_RIGHTS) - continue; - *rfds = (int *)CMSG_DATA(cmsg); - return (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int); - } - - *rfds = cbuf; - return 0; -} - -static PyObject *recvfds(PyObject *self, PyObject *args) -{ - int sockfd; - int *rfds = NULL; - ssize_t rfdscount, i; - char cbuf[256]; - PyObject *rfdslist = NULL; - - if (!PyArg_ParseTuple(args, "i", &sockfd)) - return NULL; - - rfdscount = recvfdstobuf(sockfd, &rfds, cbuf, sizeof(cbuf)); - if (rfdscount < 0) - return PyErr_SetFromErrno(PyExc_OSError); - - rfdslist = PyList_New(rfdscount); - if (!rfdslist) - goto bail; - for (i = 0; i < rfdscount; i++) { - PyObject *obj = PyLong_FromLong(rfds[i]); - if (!obj) - goto bail; - PyList_SET_ITEM(rfdslist, i, obj); - } - return rfdslist; - -bail: - Py_XDECREF(rfdslist); - return NULL; -} - -#endif /* CMSG_LEN */ - -#if defined(HAVE_SETPROCTITLE) -/* setproctitle is the first choice - available in FreeBSD */ -#define SETPROCNAME_USE_SETPROCTITLE -#elif (defined(__linux__) || defined(__APPLE__)) && PY_MAJOR_VERSION == 2 -/* rewrite the argv buffer in place - works in Linux and OS X. Py_GetArgcArgv - * in Python 3 returns the copied wchar_t **argv, thus unsupported. */ -#define SETPROCNAME_USE_ARGVREWRITE -#else -#define SETPROCNAME_USE_NONE -#endif - -#ifndef SETPROCNAME_USE_NONE -static PyObject *setprocname(PyObject *self, PyObject *args) -{ - const char *name = NULL; - if (!PyArg_ParseTuple(args, "s", &name)) - return NULL; - -#if defined(SETPROCNAME_USE_SETPROCTITLE) - setproctitle("%s", name); -#elif defined(SETPROCNAME_USE_ARGVREWRITE) - { - static char *argvstart = NULL; - static size_t argvsize = 0; - if (argvstart == NULL) { - int argc = 0, i; - char **argv = NULL; - char *argvend; - extern void Py_GetArgcArgv(int *argc, char ***argv); - Py_GetArgcArgv(&argc, &argv); - - /* Check the memory we can use. Typically, argv[i] and - * argv[i + 1] are continuous. */ - argvend = argvstart = argv[0]; - for (i = 0; i < argc; ++i) { - if (argv[i] > argvend || argv[i] < argvstart) - break; /* not continuous */ - size_t len = strlen(argv[i]); - argvend = argv[i] + len + 1 /* '\0' */; - } - if (argvend > argvstart) /* sanity check */ - argvsize = argvend - argvstart; - } - - if (argvstart && argvsize > 1) { - int n = snprintf(argvstart, argvsize, "%s", name); - if (n >= 0 && (size_t)n < argvsize) - memset(argvstart + n, 0, argvsize - n); - } - } -#endif - - Py_RETURN_NONE; -} -#endif /* ndef SETPROCNAME_USE_NONE */ - -#if defined(HAVE_BSD_STATFS) -static const char *describefstype(const struct statfs *pbuf) -{ - /* BSD or OSX provides a f_fstypename field */ - return pbuf->f_fstypename; -} -#elif defined(HAVE_LINUX_STATFS) -static const char *describefstype(const struct statfs *pbuf) -{ - /* Begin of Linux filesystems */ -#ifdef ADFS_SUPER_MAGIC - if (pbuf->f_type == ADFS_SUPER_MAGIC) - return "adfs"; -#endif -#ifdef AFFS_SUPER_MAGIC - if (pbuf->f_type == AFFS_SUPER_MAGIC) - return "affs"; -#endif -#ifdef AUTOFS_SUPER_MAGIC - if (pbuf->f_type == AUTOFS_SUPER_MAGIC) - return "autofs"; -#endif -#ifdef BDEVFS_MAGIC - if (pbuf->f_type == BDEVFS_MAGIC) - return "bdevfs"; -#endif -#ifdef BEFS_SUPER_MAGIC - if (pbuf->f_type == BEFS_SUPER_MAGIC) - return "befs"; -#endif -#ifdef BFS_MAGIC - if (pbuf->f_type == BFS_MAGIC) - return "bfs"; -#endif -#ifdef BINFMTFS_MAGIC - if (pbuf->f_type == BINFMTFS_MAGIC) - return "binfmtfs"; -#endif -#ifdef BTRFS_SUPER_MAGIC - if (pbuf->f_type == BTRFS_SUPER_MAGIC) - return "btrfs"; -#endif -#ifdef CGROUP_SUPER_MAGIC - if (pbuf->f_type == CGROUP_SUPER_MAGIC) - return "cgroup"; -#endif -#ifdef CIFS_MAGIC_NUMBER - if (pbuf->f_type == CIFS_MAGIC_NUMBER) - return "cifs"; -#endif -#ifdef CODA_SUPER_MAGIC - if (pbuf->f_type == CODA_SUPER_MAGIC) - return "coda"; -#endif -#ifdef COH_SUPER_MAGIC - if (pbuf->f_type == COH_SUPER_MAGIC) - return "coh"; -#endif -#ifdef CRAMFS_MAGIC - if (pbuf->f_type == CRAMFS_MAGIC) - return "cramfs"; -#endif -#ifdef DEBUGFS_MAGIC - if (pbuf->f_type == DEBUGFS_MAGIC) - return "debugfs"; -#endif -#ifdef DEVFS_SUPER_MAGIC - if (pbuf->f_type == DEVFS_SUPER_MAGIC) - return "devfs"; -#endif -#ifdef DEVPTS_SUPER_MAGIC - if (pbuf->f_type == DEVPTS_SUPER_MAGIC) - return "devpts"; -#endif -#ifdef EFIVARFS_MAGIC - if (pbuf->f_type == EFIVARFS_MAGIC) - return "efivarfs"; -#endif -#ifdef EFS_SUPER_MAGIC - if (pbuf->f_type == EFS_SUPER_MAGIC) - return "efs"; -#endif -#ifdef EXT_SUPER_MAGIC - if (pbuf->f_type == EXT_SUPER_MAGIC) - return "ext"; -#endif -#ifdef EXT2_OLD_SUPER_MAGIC - if (pbuf->f_type == EXT2_OLD_SUPER_MAGIC) - return "ext2"; -#endif -#ifdef EXT2_SUPER_MAGIC - if (pbuf->f_type == EXT2_SUPER_MAGIC) - return "ext2"; -#endif -#ifdef EXT3_SUPER_MAGIC - if (pbuf->f_type == EXT3_SUPER_MAGIC) - return "ext3"; -#endif -#ifdef EXT4_SUPER_MAGIC - if (pbuf->f_type == EXT4_SUPER_MAGIC) - return "ext4"; -#endif -#ifdef F2FS_SUPER_MAGIC - if (pbuf->f_type == F2FS_SUPER_MAGIC) - return "f2fs"; -#endif -#ifdef FUSE_SUPER_MAGIC - if (pbuf->f_type == FUSE_SUPER_MAGIC) - return "fuse"; -#endif -#ifdef FUTEXFS_SUPER_MAGIC - if (pbuf->f_type == FUTEXFS_SUPER_MAGIC) - return "futexfs"; -#endif -#ifdef HFS_SUPER_MAGIC - if (pbuf->f_type == HFS_SUPER_MAGIC) - return "hfs"; -#endif -#ifdef HOSTFS_SUPER_MAGIC - if (pbuf->f_type == HOSTFS_SUPER_MAGIC) - return "hostfs"; -#endif -#ifdef HPFS_SUPER_MAGIC - if (pbuf->f_type == HPFS_SUPER_MAGIC) - return "hpfs"; -#endif -#ifdef HUGETLBFS_MAGIC - if (pbuf->f_type == HUGETLBFS_MAGIC) - return "hugetlbfs"; -#endif -#ifdef ISOFS_SUPER_MAGIC - if (pbuf->f_type == ISOFS_SUPER_MAGIC) - return "isofs"; -#endif -#ifdef JFFS2_SUPER_MAGIC - if (pbuf->f_type == JFFS2_SUPER_MAGIC) - return "jffs2"; -#endif -#ifdef JFS_SUPER_MAGIC - if (pbuf->f_type == JFS_SUPER_MAGIC) - return "jfs"; -#endif -#ifdef MINIX_SUPER_MAGIC - if (pbuf->f_type == MINIX_SUPER_MAGIC) - return "minix"; -#endif -#ifdef MINIX2_SUPER_MAGIC - if (pbuf->f_type == MINIX2_SUPER_MAGIC) - return "minix2"; -#endif -#ifdef MINIX3_SUPER_MAGIC - if (pbuf->f_type == MINIX3_SUPER_MAGIC) - return "minix3"; -#endif -#ifdef MQUEUE_MAGIC - if (pbuf->f_type == MQUEUE_MAGIC) - return "mqueue"; -#endif -#ifdef MSDOS_SUPER_MAGIC - if (pbuf->f_type == MSDOS_SUPER_MAGIC) - return "msdos"; -#endif -#ifdef NCP_SUPER_MAGIC - if (pbuf->f_type == NCP_SUPER_MAGIC) - return "ncp"; -#endif -#ifdef NFS_SUPER_MAGIC - if (pbuf->f_type == NFS_SUPER_MAGIC) - return "nfs"; -#endif -#ifdef NILFS_SUPER_MAGIC - if (pbuf->f_type == NILFS_SUPER_MAGIC) - return "nilfs"; -#endif -#ifdef NTFS_SB_MAGIC - if (pbuf->f_type == NTFS_SB_MAGIC) - return "ntfs-sb"; -#endif -#ifdef OCFS2_SUPER_MAGIC - if (pbuf->f_type == OCFS2_SUPER_MAGIC) - return "ocfs2"; -#endif -#ifdef OPENPROM_SUPER_MAGIC - if (pbuf->f_type == OPENPROM_SUPER_MAGIC) - return "openprom"; -#endif -#ifdef OVERLAYFS_SUPER_MAGIC - if (pbuf->f_type == OVERLAYFS_SUPER_MAGIC) - return "overlay"; -#endif -#ifdef PIPEFS_MAGIC - if (pbuf->f_type == PIPEFS_MAGIC) - return "pipefs"; -#endif -#ifdef PROC_SUPER_MAGIC - if (pbuf->f_type == PROC_SUPER_MAGIC) - return "proc"; -#endif -#ifdef PSTOREFS_MAGIC - if (pbuf->f_type == PSTOREFS_MAGIC) - return "pstorefs"; -#endif -#ifdef QNX4_SUPER_MAGIC - if (pbuf->f_type == QNX4_SUPER_MAGIC) - return "qnx4"; -#endif -#ifdef QNX6_SUPER_MAGIC - if (pbuf->f_type == QNX6_SUPER_MAGIC) - return "qnx6"; -#endif -#ifdef RAMFS_MAGIC - if (pbuf->f_type == RAMFS_MAGIC) - return "ramfs"; -#endif -#ifdef REISERFS_SUPER_MAGIC - if (pbuf->f_type == REISERFS_SUPER_MAGIC) - return "reiserfs"; -#endif -#ifdef ROMFS_MAGIC - if (pbuf->f_type == ROMFS_MAGIC) - return "romfs"; -#endif -#ifdef SECURITYFS_MAGIC - if (pbuf->f_type == SECURITYFS_MAGIC) - return "securityfs"; -#endif -#ifdef SELINUX_MAGIC - if (pbuf->f_type == SELINUX_MAGIC) - return "selinux"; -#endif -#ifdef SMACK_MAGIC - if (pbuf->f_type == SMACK_MAGIC) - return "smack"; -#endif -#ifdef SMB_SUPER_MAGIC - if (pbuf->f_type == SMB_SUPER_MAGIC) - return "smb"; -#endif -#ifdef SOCKFS_MAGIC - if (pbuf->f_type == SOCKFS_MAGIC) - return "sockfs"; -#endif -#ifdef SQUASHFS_MAGIC - if (pbuf->f_type == SQUASHFS_MAGIC) - return "squashfs"; -#endif -#ifdef SYSFS_MAGIC - if (pbuf->f_type == SYSFS_MAGIC) - return "sysfs"; -#endif -#ifdef SYSV2_SUPER_MAGIC - if (pbuf->f_type == SYSV2_SUPER_MAGIC) - return "sysv2"; -#endif -#ifdef SYSV4_SUPER_MAGIC - if (pbuf->f_type == SYSV4_SUPER_MAGIC) - return "sysv4"; -#endif -#ifdef TMPFS_MAGIC - if (pbuf->f_type == TMPFS_MAGIC) - return "tmpfs"; -#endif -#ifdef UDF_SUPER_MAGIC - if (pbuf->f_type == UDF_SUPER_MAGIC) - return "udf"; -#endif -#ifdef UFS_MAGIC - if (pbuf->f_type == UFS_MAGIC) - return "ufs"; -#endif -#ifdef USBDEVICE_SUPER_MAGIC - if (pbuf->f_type == USBDEVICE_SUPER_MAGIC) - return "usbdevice"; -#endif -#ifdef V9FS_MAGIC - if (pbuf->f_type == V9FS_MAGIC) - return "v9fs"; -#endif -#ifdef VXFS_SUPER_MAGIC - if (pbuf->f_type == VXFS_SUPER_MAGIC) - return "vxfs"; -#endif -#ifdef XENFS_SUPER_MAGIC - if (pbuf->f_type == XENFS_SUPER_MAGIC) - return "xenfs"; -#endif -#ifdef XENIX_SUPER_MAGIC - if (pbuf->f_type == XENIX_SUPER_MAGIC) - return "xenix"; -#endif -#ifdef XFS_SUPER_MAGIC - if (pbuf->f_type == XFS_SUPER_MAGIC) - return "xfs"; -#endif - /* End of Linux filesystems */ - return NULL; -} -#endif /* def HAVE_LINUX_STATFS */ - -#if defined(HAVE_BSD_STATFS) || defined(HAVE_LINUX_STATFS) -/* given a directory path, return filesystem type name (best-effort) */ -static PyObject *getfstype(PyObject *self, PyObject *args) -{ - const char *path = NULL; - struct statfs buf; - int r; - if (!PyArg_ParseTuple(args, "s", &path)) - return NULL; - - memset(&buf, 0, sizeof(buf)); - r = statfs(path, &buf); - if (r != 0) - return PyErr_SetFromErrno(PyExc_OSError); - return Py_BuildValue("s", describefstype(&buf)); -} -#endif /* defined(HAVE_LINUX_STATFS) || defined(HAVE_BSD_STATFS) */ - -#endif /* ndef _WIN32 */ - -static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs) -{ - PyObject *statobj = NULL; /* initialize - optional arg */ - PyObject *skipobj = NULL; /* initialize - optional arg */ - char *path, *skip = NULL; - int wantstat, plen; - - static char *kwlist[] = {"path", "stat", "skip", NULL}; - - if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|OO:listdir", - kwlist, &path, &plen, &statobj, &skipobj)) - return NULL; - - wantstat = statobj && PyObject_IsTrue(statobj); - - if (skipobj && skipobj != Py_None) { - skip = PyBytes_AsString(skipobj); - if (!skip) - return NULL; - } - - return _listdir(path, plen, wantstat, skip); -} - -#ifdef _WIN32 -static PyObject *posixfile(PyObject *self, PyObject *args, PyObject *kwds) -{ - static char *kwlist[] = {"name", "mode", "buffering", NULL}; - PyObject *file_obj = NULL; - char *name = NULL; - char *mode = "rb"; - DWORD access = 0; - DWORD creation; - HANDLE handle; - int fd, flags = 0; - int bufsize = -1; - char m0, m1, m2; - char fpmode[4]; - int fppos = 0; - int plus; - FILE *fp; - - if (!PyArg_ParseTupleAndKeywords(args, kwds, "et|si:posixfile", kwlist, - Py_FileSystemDefaultEncoding, - &name, &mode, &bufsize)) - return NULL; - - m0 = mode[0]; - m1 = m0 ? mode[1] : '\0'; - m2 = m1 ? mode[2] : '\0'; - plus = m1 == '+' || m2 == '+'; - - fpmode[fppos++] = m0; - if (m1 == 'b' || m2 == 'b') { - flags = _O_BINARY; - fpmode[fppos++] = 'b'; - } - else - flags = _O_TEXT; - if (m0 == 'r' && !plus) { - flags |= _O_RDONLY; - access = GENERIC_READ; - } else { - /* - work around http://support.microsoft.com/kb/899149 and - set _O_RDWR for 'w' and 'a', even if mode has no '+' - */ - flags |= _O_RDWR; - access = GENERIC_READ | GENERIC_WRITE; - fpmode[fppos++] = '+'; - } - fpmode[fppos++] = '\0'; - - switch (m0) { - case 'r': - creation = OPEN_EXISTING; - break; - case 'w': - creation = CREATE_ALWAYS; - break; - case 'a': - creation = OPEN_ALWAYS; - flags |= _O_APPEND; - break; - default: - PyErr_Format(PyExc_ValueError, - "mode string must begin with one of 'r', 'w', " - "or 'a', not '%c'", m0); - goto bail; - } - - handle = CreateFile(name, access, - FILE_SHARE_READ | FILE_SHARE_WRITE | - FILE_SHARE_DELETE, - NULL, - creation, - FILE_ATTRIBUTE_NORMAL, - 0); - - if (handle == INVALID_HANDLE_VALUE) { - PyErr_SetFromWindowsErrWithFilename(GetLastError(), name); - goto bail; - } - - fd = _open_osfhandle((intptr_t)handle, flags); - - if (fd == -1) { - CloseHandle(handle); - PyErr_SetFromErrnoWithFilename(PyExc_IOError, name); - goto bail; - } -#ifndef IS_PY3K - fp = _fdopen(fd, fpmode); - if (fp == NULL) { - _close(fd); - PyErr_SetFromErrnoWithFilename(PyExc_IOError, name); - goto bail; - } - - file_obj = PyFile_FromFile(fp, name, mode, fclose); - if (file_obj == NULL) { - fclose(fp); - goto bail; - } - - PyFile_SetBufSize(file_obj, bufsize); -#else - file_obj = PyFile_FromFd(fd, name, mode, bufsize, NULL, NULL, NULL, 1); - if (file_obj == NULL) - goto bail; -#endif -bail: - PyMem_Free(name); - return file_obj; -} -#endif - -#ifdef __APPLE__ -#include <ApplicationServices/ApplicationServices.h> - -static PyObject *isgui(PyObject *self) -{ - CFDictionaryRef dict = CGSessionCopyCurrentDictionary(); - - if (dict != NULL) { - CFRelease(dict); - Py_RETURN_TRUE; - } else { - Py_RETURN_FALSE; - } -} -#endif - -static char osutil_doc[] = "Native operating system services."; - -static PyMethodDef methods[] = { - {"listdir", (PyCFunction)listdir, METH_VARARGS | METH_KEYWORDS, - "list a directory\n"}, -#ifdef _WIN32 - {"posixfile", (PyCFunction)posixfile, METH_VARARGS | METH_KEYWORDS, - "Open a file with POSIX-like semantics.\n" -"On error, this function may raise either a WindowsError or an IOError."}, -#else - {"statfiles", (PyCFunction)statfiles, METH_VARARGS | METH_KEYWORDS, - "stat a series of files or symlinks\n" -"Returns None for non-existent entries and entries of other types.\n"}, -#ifdef CMSG_LEN - {"recvfds", (PyCFunction)recvfds, METH_VARARGS, - "receive list of file descriptors via socket\n"}, -#endif -#ifndef SETPROCNAME_USE_NONE - {"setprocname", (PyCFunction)setprocname, METH_VARARGS, - "set process title (best-effort)\n"}, -#endif -#if defined(HAVE_BSD_STATFS) || defined(HAVE_LINUX_STATFS) - {"getfstype", (PyCFunction)getfstype, METH_VARARGS, - "get filesystem type (best-effort)\n"}, -#endif -#endif /* ndef _WIN32 */ -#ifdef __APPLE__ - { - "isgui", (PyCFunction)isgui, METH_NOARGS, - "Is a CoreGraphics session available?" - }, -#endif - {NULL, NULL} -}; - -static const int version = 1; - -#ifdef IS_PY3K -static struct PyModuleDef osutil_module = { - PyModuleDef_HEAD_INIT, - "osutil", - osutil_doc, - -1, - methods -}; - -PyMODINIT_FUNC PyInit_osutil(void) -{ - PyObject *m; - if (PyType_Ready(&listdir_stat_type) < 0) - return NULL; - - m = PyModule_Create(&osutil_module); - PyModule_AddIntConstant(m, "version", version); - return m; -} -#else -PyMODINIT_FUNC initosutil(void) -{ - PyObject *m; - if (PyType_Ready(&listdir_stat_type) == -1) - return; - - m = Py_InitModule3("osutil", methods, osutil_doc); - PyModule_AddIntConstant(m, "version", version); -} -#endif
--- a/mercurial/pure/osutil.py Fri Aug 12 11:30:17 2016 +0900 +++ b/mercurial/pure/osutil.py Fri Aug 12 11:35:17 2016 +0900 @@ -13,7 +13,7 @@ import socket import stat as statmod -from . import ( +from .. import ( policy, pycompat, )
--- a/mercurial/util.py Fri Aug 12 11:30:17 2016 +0900 +++ b/mercurial/util.py Fri Aug 12 11:35:17 2016 +0900 @@ -46,11 +46,13 @@ encoding, error, i18n, - osutil, parsers, + policy, pycompat, ) +osutil = policy.importmod(r'osutil') + b85decode = base85.b85decode b85encode = base85.b85encode
--- a/mercurial/windows.py Fri Aug 12 11:30:17 2016 +0900 +++ b/mercurial/windows.py Fri Aug 12 11:35:17 2016 +0900 @@ -17,7 +17,7 @@ from .i18n import _ from . import ( encoding, - osutil, + policy, pycompat, win32, ) @@ -28,6 +28,8 @@ except ImportError: import winreg +osutil = policy.importmod(r'osutil') + executablepath = win32.executablepath getuser = win32.getuser hidewindow = win32.hidewindow
--- a/setup.py Fri Aug 12 11:30:17 2016 +0900 +++ b/setup.py Fri Aug 12 11:35:17 2016 +0900 @@ -641,7 +641,7 @@ 'mercurial/pathencode.c'], include_dirs=common_include_dirs, depends=common_depends), - Extension('mercurial.osutil', ['mercurial/osutil.c'], + Extension('mercurial.cext.osutil', ['mercurial/cext/osutil.c'], include_dirs=common_include_dirs, extra_compile_args=osutil_cflags, extra_link_args=osutil_ldflags,