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@@ -1,398 +1,406 b'' | |||||
1 | /* |
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1 | /* | |
2 | osutil.c - native operating system services |
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2 | osutil.c - native operating system services | |
3 |
|
3 | |||
4 | Copyright 2007 Matt Mackall and others |
|
4 | Copyright 2007 Matt Mackall and others | |
5 |
|
5 | |||
6 | This software may be used and distributed according to the terms of |
|
6 | This software may be used and distributed according to the terms of | |
7 | the GNU General Public License, incorporated herein by reference. |
|
7 | the GNU General Public License, incorporated herein by reference. | |
8 | */ |
|
8 | */ | |
9 |
|
9 | |||
10 | #define _ATFILE_SOURCE |
|
10 | #define _ATFILE_SOURCE | |
11 | #include <Python.h> |
|
11 | #include <Python.h> | |
12 | #ifdef _WIN32 |
|
12 | #ifdef _WIN32 | |
13 | #include <windows.h> |
|
13 | #include <windows.h> | |
14 | #else |
|
14 | #else | |
15 | #include <dirent.h> |
|
15 | #include <dirent.h> | |
16 | #include <fcntl.h> |
|
16 | #include <fcntl.h> | |
17 | #include <string.h> |
|
17 | #include <string.h> | |
18 | #include <sys/stat.h> |
|
18 | #include <sys/stat.h> | |
19 | #include <sys/types.h> |
|
19 | #include <sys/types.h> | |
20 | #include <unistd.h> |
|
20 | #include <unistd.h> | |
21 | #endif |
|
21 | #endif | |
22 |
|
22 | |||
23 | #ifdef _WIN32 |
|
23 | #ifdef _WIN32 | |
24 | /* |
|
24 | /* | |
25 | stat struct compatible with hg expectations |
|
25 | stat struct compatible with hg expectations | |
26 | Mercurial only uses st_mode, st_size and st_mtime |
|
26 | Mercurial only uses st_mode, st_size and st_mtime | |
27 | the rest is kept to minimize changes between implementations |
|
27 | the rest is kept to minimize changes between implementations | |
28 | */ |
|
28 | */ | |
29 | struct hg_stat { |
|
29 | struct hg_stat { | |
30 | int st_dev; |
|
30 | int st_dev; | |
31 | int st_mode; |
|
31 | int st_mode; | |
32 | int st_nlink; |
|
32 | int st_nlink; | |
33 | __int64 st_size; |
|
33 | __int64 st_size; | |
34 | int st_mtime; |
|
34 | int st_mtime; | |
35 | int st_ctime; |
|
35 | int st_ctime; | |
36 | }; |
|
36 | }; | |
37 | struct listdir_stat { |
|
37 | struct listdir_stat { | |
38 | PyObject_HEAD |
|
38 | PyObject_HEAD | |
39 | struct hg_stat st; |
|
39 | struct hg_stat st; | |
40 | }; |
|
40 | }; | |
41 | #else |
|
41 | #else | |
42 | struct listdir_stat { |
|
42 | struct listdir_stat { | |
43 | PyObject_HEAD |
|
43 | PyObject_HEAD | |
44 | struct stat st; |
|
44 | struct stat st; | |
45 | }; |
|
45 | }; | |
46 | #endif |
|
46 | #endif | |
47 |
|
47 | |||
48 | #define listdir_slot(name) \ |
|
48 | #define listdir_slot(name) \ | |
49 | static PyObject *listdir_stat_##name(PyObject *self, void *x) \ |
|
49 | static PyObject *listdir_stat_##name(PyObject *self, void *x) \ | |
50 | { \ |
|
50 | { \ | |
51 | return PyInt_FromLong(((struct listdir_stat *)self)->st.name); \ |
|
51 | return PyInt_FromLong(((struct listdir_stat *)self)->st.name); \ | |
52 | } |
|
52 | } | |
53 |
|
53 | |||
54 | listdir_slot(st_dev) |
|
54 | listdir_slot(st_dev) | |
55 | listdir_slot(st_mode) |
|
55 | listdir_slot(st_mode) | |
56 | listdir_slot(st_nlink) |
|
56 | listdir_slot(st_nlink) | |
57 | #ifdef _WIN32 |
|
57 | #ifdef _WIN32 | |
58 | static PyObject *listdir_stat_st_size(PyObject *self, void *x) |
|
58 | static PyObject *listdir_stat_st_size(PyObject *self, void *x) | |
59 | { |
|
59 | { | |
60 | return PyLong_FromLongLong( |
|
60 | return PyLong_FromLongLong( | |
61 | (PY_LONG_LONG)((struct listdir_stat *)self)->st.st_size); |
|
61 | (PY_LONG_LONG)((struct listdir_stat *)self)->st.st_size); | |
62 | } |
|
62 | } | |
63 | #else |
|
63 | #else | |
64 | listdir_slot(st_size) |
|
64 | listdir_slot(st_size) | |
65 | #endif |
|
65 | #endif | |
66 | listdir_slot(st_mtime) |
|
66 | listdir_slot(st_mtime) | |
67 | listdir_slot(st_ctime) |
|
67 | listdir_slot(st_ctime) | |
68 |
|
68 | |||
69 | static struct PyGetSetDef listdir_stat_getsets[] = { |
|
69 | static struct PyGetSetDef listdir_stat_getsets[] = { | |
70 | {"st_dev", listdir_stat_st_dev, 0, 0, 0}, |
|
70 | {"st_dev", listdir_stat_st_dev, 0, 0, 0}, | |
71 | {"st_mode", listdir_stat_st_mode, 0, 0, 0}, |
|
71 | {"st_mode", listdir_stat_st_mode, 0, 0, 0}, | |
72 | {"st_nlink", listdir_stat_st_nlink, 0, 0, 0}, |
|
72 | {"st_nlink", listdir_stat_st_nlink, 0, 0, 0}, | |
73 | {"st_size", listdir_stat_st_size, 0, 0, 0}, |
|
73 | {"st_size", listdir_stat_st_size, 0, 0, 0}, | |
74 | {"st_mtime", listdir_stat_st_mtime, 0, 0, 0}, |
|
74 | {"st_mtime", listdir_stat_st_mtime, 0, 0, 0}, | |
75 | {"st_ctime", listdir_stat_st_ctime, 0, 0, 0}, |
|
75 | {"st_ctime", listdir_stat_st_ctime, 0, 0, 0}, | |
76 | {0, 0, 0, 0, 0} |
|
76 | {0, 0, 0, 0, 0} | |
77 | }; |
|
77 | }; | |
78 |
|
78 | |||
79 | static PyObject *listdir_stat_new(PyTypeObject *t, PyObject *a, PyObject *k) |
|
79 | static PyObject *listdir_stat_new(PyTypeObject *t, PyObject *a, PyObject *k) | |
80 | { |
|
80 | { | |
81 | return t->tp_alloc(t, 0); |
|
81 | return t->tp_alloc(t, 0); | |
82 | } |
|
82 | } | |
83 |
|
83 | |||
84 | static void listdir_stat_dealloc(PyObject *o) |
|
84 | static void listdir_stat_dealloc(PyObject *o) | |
85 | { |
|
85 | { | |
86 | o->ob_type->tp_free(o); |
|
86 | o->ob_type->tp_free(o); | |
87 | } |
|
87 | } | |
88 |
|
88 | |||
89 | static PyTypeObject listdir_stat_type = { |
|
89 | static PyTypeObject listdir_stat_type = { | |
90 | PyObject_HEAD_INIT(NULL) |
|
90 | PyObject_HEAD_INIT(NULL) | |
91 | 0, /*ob_size*/ |
|
91 | 0, /*ob_size*/ | |
92 | "osutil.stat", /*tp_name*/ |
|
92 | "osutil.stat", /*tp_name*/ | |
93 | sizeof(struct listdir_stat), /*tp_basicsize*/ |
|
93 | sizeof(struct listdir_stat), /*tp_basicsize*/ | |
94 | 0, /*tp_itemsize*/ |
|
94 | 0, /*tp_itemsize*/ | |
95 | (destructor)listdir_stat_dealloc, /*tp_dealloc*/ |
|
95 | (destructor)listdir_stat_dealloc, /*tp_dealloc*/ | |
96 | 0, /*tp_print*/ |
|
96 | 0, /*tp_print*/ | |
97 | 0, /*tp_getattr*/ |
|
97 | 0, /*tp_getattr*/ | |
98 | 0, /*tp_setattr*/ |
|
98 | 0, /*tp_setattr*/ | |
99 | 0, /*tp_compare*/ |
|
99 | 0, /*tp_compare*/ | |
100 | 0, /*tp_repr*/ |
|
100 | 0, /*tp_repr*/ | |
101 | 0, /*tp_as_number*/ |
|
101 | 0, /*tp_as_number*/ | |
102 | 0, /*tp_as_sequence*/ |
|
102 | 0, /*tp_as_sequence*/ | |
103 | 0, /*tp_as_mapping*/ |
|
103 | 0, /*tp_as_mapping*/ | |
104 | 0, /*tp_hash */ |
|
104 | 0, /*tp_hash */ | |
105 | 0, /*tp_call*/ |
|
105 | 0, /*tp_call*/ | |
106 | 0, /*tp_str*/ |
|
106 | 0, /*tp_str*/ | |
107 | 0, /*tp_getattro*/ |
|
107 | 0, /*tp_getattro*/ | |
108 | 0, /*tp_setattro*/ |
|
108 | 0, /*tp_setattro*/ | |
109 | 0, /*tp_as_buffer*/ |
|
109 | 0, /*tp_as_buffer*/ | |
110 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ |
|
110 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ | |
111 | "stat objects", /* tp_doc */ |
|
111 | "stat objects", /* tp_doc */ | |
112 | 0, /* tp_traverse */ |
|
112 | 0, /* tp_traverse */ | |
113 | 0, /* tp_clear */ |
|
113 | 0, /* tp_clear */ | |
114 | 0, /* tp_richcompare */ |
|
114 | 0, /* tp_richcompare */ | |
115 | 0, /* tp_weaklistoffset */ |
|
115 | 0, /* tp_weaklistoffset */ | |
116 | 0, /* tp_iter */ |
|
116 | 0, /* tp_iter */ | |
117 | 0, /* tp_iternext */ |
|
117 | 0, /* tp_iternext */ | |
118 | 0, /* tp_methods */ |
|
118 | 0, /* tp_methods */ | |
119 | 0, /* tp_members */ |
|
119 | 0, /* tp_members */ | |
120 | listdir_stat_getsets, /* tp_getset */ |
|
120 | listdir_stat_getsets, /* tp_getset */ | |
121 | 0, /* tp_base */ |
|
121 | 0, /* tp_base */ | |
122 | 0, /* tp_dict */ |
|
122 | 0, /* tp_dict */ | |
123 | 0, /* tp_descr_get */ |
|
123 | 0, /* tp_descr_get */ | |
124 | 0, /* tp_descr_set */ |
|
124 | 0, /* tp_descr_set */ | |
125 | 0, /* tp_dictoffset */ |
|
125 | 0, /* tp_dictoffset */ | |
126 | 0, /* tp_init */ |
|
126 | 0, /* tp_init */ | |
127 | 0, /* tp_alloc */ |
|
127 | 0, /* tp_alloc */ | |
128 | listdir_stat_new, /* tp_new */ |
|
128 | listdir_stat_new, /* tp_new */ | |
129 | }; |
|
129 | }; | |
130 |
|
130 | |||
131 | #ifdef _WIN32 |
|
131 | #ifdef _WIN32 | |
132 |
|
132 | |||
133 | static int to_python_time(const FILETIME *tm) |
|
133 | static int to_python_time(const FILETIME *tm) | |
134 | { |
|
134 | { | |
135 | /* number of seconds between epoch and January 1 1601 */ |
|
135 | /* number of seconds between epoch and January 1 1601 */ | |
136 | const __int64 a0 = (__int64)134774L * (__int64)24L * (__int64)3600L; |
|
136 | const __int64 a0 = (__int64)134774L * (__int64)24L * (__int64)3600L; | |
137 | /* conversion factor from 100ns to 1s */ |
|
137 | /* conversion factor from 100ns to 1s */ | |
138 | const __int64 a1 = 10000000; |
|
138 | const __int64 a1 = 10000000; | |
139 | /* explicit (int) cast to suspend compiler warnings */ |
|
139 | /* explicit (int) cast to suspend compiler warnings */ | |
140 | return (int)((((__int64)tm->dwHighDateTime << 32) |
|
140 | return (int)((((__int64)tm->dwHighDateTime << 32) | |
141 | + tm->dwLowDateTime) / a1 - a0); |
|
141 | + tm->dwLowDateTime) / a1 - a0); | |
142 | } |
|
142 | } | |
143 |
|
143 | |||
144 | static PyObject *make_item(const WIN32_FIND_DATAA *fd, int wantstat) |
|
144 | static PyObject *make_item(const WIN32_FIND_DATAA *fd, int wantstat) | |
145 | { |
|
145 | { | |
146 | PyObject *py_st; |
|
146 | PyObject *py_st; | |
147 | struct hg_stat *stp; |
|
147 | struct hg_stat *stp; | |
148 |
|
148 | |||
149 | int kind = (fd->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
|
149 | int kind = (fd->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) | |
150 | ? _S_IFDIR : _S_IFREG; |
|
150 | ? _S_IFDIR : _S_IFREG; | |
151 |
|
151 | |||
152 | if (!wantstat) |
|
152 | if (!wantstat) | |
153 | return Py_BuildValue("si", fd->cFileName, kind); |
|
153 | return Py_BuildValue("si", fd->cFileName, kind); | |
154 |
|
154 | |||
155 | py_st = PyObject_CallObject((PyObject *)&listdir_stat_type, NULL); |
|
155 | py_st = PyObject_CallObject((PyObject *)&listdir_stat_type, NULL); | |
156 | if (!py_st) |
|
156 | if (!py_st) | |
157 | return NULL; |
|
157 | return NULL; | |
158 |
|
158 | |||
159 | stp = &((struct listdir_stat *)py_st)->st; |
|
159 | stp = &((struct listdir_stat *)py_st)->st; | |
160 | /* |
|
160 | /* | |
161 | use kind as st_mode |
|
161 | use kind as st_mode | |
162 | rwx bits on Win32 are meaningless |
|
162 | rwx bits on Win32 are meaningless | |
163 | and Hg does not use them anyway |
|
163 | and Hg does not use them anyway | |
164 | */ |
|
164 | */ | |
165 | stp->st_mode = kind; |
|
165 | stp->st_mode = kind; | |
166 | stp->st_mtime = to_python_time(&fd->ftLastWriteTime); |
|
166 | stp->st_mtime = to_python_time(&fd->ftLastWriteTime); | |
167 | stp->st_ctime = to_python_time(&fd->ftCreationTime); |
|
167 | stp->st_ctime = to_python_time(&fd->ftCreationTime); | |
168 | if (kind == _S_IFREG) |
|
168 | if (kind == _S_IFREG) | |
169 | stp->st_size = ((__int64)fd->nFileSizeHigh << 32) |
|
169 | stp->st_size = ((__int64)fd->nFileSizeHigh << 32) | |
170 | + fd->nFileSizeLow; |
|
170 | + fd->nFileSizeLow; | |
171 | return Py_BuildValue("siN", fd->cFileName, |
|
171 | return Py_BuildValue("siN", fd->cFileName, | |
172 | kind, py_st); |
|
172 | kind, py_st); | |
173 | } |
|
173 | } | |
174 |
|
174 | |||
175 | static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs) |
|
175 | static PyObject *_listdir(char *path, int plen, int wantstat, char *skip) | |
176 | { |
|
176 | { | |
177 | PyObject *rval = NULL; /* initialize - return value */ |
|
177 | PyObject *rval = NULL; /* initialize - return value */ | |
178 | PyObject *statobj = NULL; /* initialize - optional arg */ |
|
|||
179 | PyObject *list; |
|
178 | PyObject *list; | |
180 | HANDLE fh; |
|
179 | HANDLE fh; | |
181 | WIN32_FIND_DATAA fd; |
|
180 | WIN32_FIND_DATAA fd; | |
182 | char *path, *pattern, *skip = NULL; |
|
181 | char *pattern; | |
183 | int plen, wantstat; |
|
|||
184 |
|
||||
185 | static char *kwlist[] = {"path", "stat", "skip", NULL}; |
|
|||
186 |
|
||||
187 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|Os:listdir", |
|
|||
188 | kwlist, &path, &plen, &statobj, &skip)) |
|
|||
189 | goto error_parse; |
|
|||
190 |
|
||||
191 | wantstat = statobj && PyObject_IsTrue(statobj); |
|
|||
192 |
|
182 | |||
193 | /* build the path + \* pattern string */ |
|
183 | /* build the path + \* pattern string */ | |
194 | pattern = malloc(plen+3); /* path + \* + \0 */ |
|
184 | pattern = malloc(plen+3); /* path + \* + \0 */ | |
195 | if (!pattern) { |
|
185 | if (!pattern) { | |
196 | PyErr_NoMemory(); |
|
186 | PyErr_NoMemory(); | |
197 |
goto error_ |
|
187 | goto error_nomem; | |
198 | } |
|
188 | } | |
199 | strcpy(pattern, path); |
|
189 | strcpy(pattern, path); | |
200 |
|
190 | |||
201 | if (plen > 0) { |
|
191 | if (plen > 0) { | |
202 | char c = path[plen-1]; |
|
192 | char c = path[plen-1]; | |
203 | if (c != ':' && c != '/' && c != '\\') |
|
193 | if (c != ':' && c != '/' && c != '\\') | |
204 | pattern[plen++] = '\\'; |
|
194 | pattern[plen++] = '\\'; | |
205 | } |
|
195 | } | |
206 | strcpy(pattern + plen, "*"); |
|
196 | strcpy(pattern + plen, "*"); | |
207 |
|
197 | |||
208 | fh = FindFirstFileA(pattern, &fd); |
|
198 | fh = FindFirstFileA(pattern, &fd); | |
209 | if (fh == INVALID_HANDLE_VALUE) { |
|
199 | if (fh == INVALID_HANDLE_VALUE) { | |
210 | PyErr_SetFromWindowsErrWithFilename(GetLastError(), path); |
|
200 | PyErr_SetFromWindowsErrWithFilename(GetLastError(), path); | |
211 | goto error_file; |
|
201 | goto error_file; | |
212 | } |
|
202 | } | |
213 |
|
203 | |||
214 | list = PyList_New(0); |
|
204 | list = PyList_New(0); | |
215 | if (!list) |
|
205 | if (!list) | |
216 | goto error_list; |
|
206 | goto error_list; | |
217 |
|
207 | |||
218 | do { |
|
208 | do { | |
219 | PyObject *item; |
|
209 | PyObject *item; | |
220 |
|
210 | |||
221 | if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { |
|
211 | if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { | |
222 | if (!strcmp(fd.cFileName, ".") |
|
212 | if (!strcmp(fd.cFileName, ".") | |
223 | || !strcmp(fd.cFileName, "..")) |
|
213 | || !strcmp(fd.cFileName, "..")) | |
224 | continue; |
|
214 | continue; | |
225 |
|
215 | |||
226 | if (skip && !strcmp(fd.cFileName, skip)) { |
|
216 | if (skip && !strcmp(fd.cFileName, skip)) { | |
227 | rval = PyList_New(0); |
|
217 | rval = PyList_New(0); | |
228 | goto error; |
|
218 | goto error; | |
229 | } |
|
219 | } | |
230 | } |
|
220 | } | |
231 |
|
221 | |||
232 | item = make_item(&fd, wantstat); |
|
222 | item = make_item(&fd, wantstat); | |
233 | if (!item) |
|
223 | if (!item) | |
234 | goto error; |
|
224 | goto error; | |
235 |
|
225 | |||
236 | if (PyList_Append(list, item)) { |
|
226 | if (PyList_Append(list, item)) { | |
237 | Py_XDECREF(item); |
|
227 | Py_XDECREF(item); | |
238 | goto error; |
|
228 | goto error; | |
239 | } |
|
229 | } | |
240 |
|
230 | |||
241 | Py_XDECREF(item); |
|
231 | Py_XDECREF(item); | |
242 | } while (FindNextFileA(fh, &fd)); |
|
232 | } while (FindNextFileA(fh, &fd)); | |
243 |
|
233 | |||
244 | if (GetLastError() != ERROR_NO_MORE_FILES) { |
|
234 | if (GetLastError() != ERROR_NO_MORE_FILES) { | |
245 | PyErr_SetFromWindowsErrWithFilename(GetLastError(), path); |
|
235 | PyErr_SetFromWindowsErrWithFilename(GetLastError(), path); | |
246 | goto error; |
|
236 | goto error; | |
247 | } |
|
237 | } | |
248 |
|
238 | |||
249 | rval = list; |
|
239 | rval = list; | |
250 | Py_XINCREF(rval); |
|
240 | Py_XINCREF(rval); | |
251 | error: |
|
241 | error: | |
252 | Py_XDECREF(list); |
|
242 | Py_XDECREF(list); | |
253 | error_list: |
|
243 | error_list: | |
254 | FindClose(fh); |
|
244 | FindClose(fh); | |
255 | error_file: |
|
245 | error_file: | |
256 | free(pattern); |
|
246 | free(pattern); | |
257 |
error_ |
|
247 | error_nomem: | |
258 | return rval; |
|
248 | return rval; | |
259 | } |
|
249 | } | |
260 |
|
250 | |||
261 | #else |
|
251 | #else | |
262 |
|
252 | |||
263 | int entkind(struct dirent *ent) |
|
253 | int entkind(struct dirent *ent) | |
264 | { |
|
254 | { | |
265 | #ifdef DT_REG |
|
255 | #ifdef DT_REG | |
266 | switch (ent->d_type) { |
|
256 | switch (ent->d_type) { | |
267 | case DT_REG: return S_IFREG; |
|
257 | case DT_REG: return S_IFREG; | |
268 | case DT_DIR: return S_IFDIR; |
|
258 | case DT_DIR: return S_IFDIR; | |
269 | case DT_LNK: return S_IFLNK; |
|
259 | case DT_LNK: return S_IFLNK; | |
270 | case DT_BLK: return S_IFBLK; |
|
260 | case DT_BLK: return S_IFBLK; | |
271 | case DT_CHR: return S_IFCHR; |
|
261 | case DT_CHR: return S_IFCHR; | |
272 | case DT_FIFO: return S_IFIFO; |
|
262 | case DT_FIFO: return S_IFIFO; | |
273 | case DT_SOCK: return S_IFSOCK; |
|
263 | case DT_SOCK: return S_IFSOCK; | |
274 | } |
|
264 | } | |
275 | #endif |
|
265 | #endif | |
276 | return -1; |
|
266 | return -1; | |
277 | } |
|
267 | } | |
278 |
|
268 | |||
279 | static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs) |
|
269 | static PyObject *_listdir(char *path, int pathlen, int keepstat, char *skip) | |
280 | { |
|
270 | { | |
281 | static char *kwlist[] = { "path", "stat", "skip", NULL }; |
|
271 | PyObject *list, *elem, *stat, *ret = NULL; | |
282 | PyObject *statflag = NULL, *list, *elem, *stat, *ret = NULL; |
|
272 | char fullpath[PATH_MAX + 10]; | |
283 | char fullpath[PATH_MAX + 10], *path, *skip = NULL; |
|
273 | int kind, dfd = -1, err; | |
284 | int pathlen, keepstat, kind, dfd = -1, err; |
|
|||
285 | struct stat st; |
|
274 | struct stat st; | |
286 | struct dirent *ent; |
|
275 | struct dirent *ent; | |
287 | DIR *dir; |
|
276 | DIR *dir; | |
288 |
|
277 | |||
289 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|Os:listdir", kwlist, |
|
|||
290 | &path, &pathlen, &statflag, &skip)) |
|
|||
291 | goto error_parse; |
|
|||
292 |
|
||||
293 | if (pathlen >= PATH_MAX) { |
|
278 | if (pathlen >= PATH_MAX) { | |
294 | PyErr_SetString(PyExc_ValueError, "path too long"); |
|
279 | PyErr_SetString(PyExc_ValueError, "path too long"); | |
295 |
goto error_ |
|
280 | goto error_value; | |
296 | } |
|
281 | } | |
297 | strncpy(fullpath, path, PATH_MAX); |
|
282 | strncpy(fullpath, path, PATH_MAX); | |
298 | fullpath[pathlen] = '/'; |
|
283 | fullpath[pathlen] = '/'; | |
299 | keepstat = statflag && PyObject_IsTrue(statflag); |
|
|||
300 |
|
284 | |||
301 | #ifdef AT_SYMLINK_NOFOLLOW |
|
285 | #ifdef AT_SYMLINK_NOFOLLOW | |
302 | dfd = open(path, O_RDONLY); |
|
286 | dfd = open(path, O_RDONLY); | |
303 | if (dfd == -1) { |
|
287 | if (dfd == -1) { | |
304 | PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); |
|
288 | PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); | |
305 |
goto error_ |
|
289 | goto error_value; | |
306 | } |
|
290 | } | |
307 | dir = fdopendir(dfd); |
|
291 | dir = fdopendir(dfd); | |
308 | #else |
|
292 | #else | |
309 | dir = opendir(path); |
|
293 | dir = opendir(path); | |
310 | #endif |
|
294 | #endif | |
311 | if (!dir) { |
|
295 | if (!dir) { | |
312 | PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); |
|
296 | PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); | |
313 | goto error_dir; |
|
297 | goto error_dir; | |
314 | } |
|
298 | } | |
315 |
|
299 | |||
316 | list = PyList_New(0); |
|
300 | list = PyList_New(0); | |
317 | if (!list) |
|
301 | if (!list) | |
318 | goto error_list; |
|
302 | goto error_list; | |
319 |
|
303 | |||
320 | while ((ent = readdir(dir))) { |
|
304 | while ((ent = readdir(dir))) { | |
321 | if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) |
|
305 | if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) | |
322 | continue; |
|
306 | continue; | |
323 |
|
307 | |||
324 | kind = entkind(ent); |
|
308 | kind = entkind(ent); | |
325 | if (kind == -1 || keepstat) { |
|
309 | if (kind == -1 || keepstat) { | |
326 | #ifdef AT_SYMLINK_NOFOLLOW |
|
310 | #ifdef AT_SYMLINK_NOFOLLOW | |
327 | err = fstatat(dfd, ent->d_name, &st, |
|
311 | err = fstatat(dfd, ent->d_name, &st, | |
328 | AT_SYMLINK_NOFOLLOW); |
|
312 | AT_SYMLINK_NOFOLLOW); | |
329 | #else |
|
313 | #else | |
330 | strncpy(fullpath + pathlen + 1, ent->d_name, |
|
314 | strncpy(fullpath + pathlen + 1, ent->d_name, | |
331 | PATH_MAX - pathlen); |
|
315 | PATH_MAX - pathlen); | |
332 | fullpath[PATH_MAX] = 0; |
|
316 | fullpath[PATH_MAX] = 0; | |
333 | err = lstat(fullpath, &st); |
|
317 | err = lstat(fullpath, &st); | |
334 | #endif |
|
318 | #endif | |
335 | if (err == -1) { |
|
319 | if (err == -1) { | |
336 | strncpy(fullpath + pathlen + 1, ent->d_name, |
|
320 | strncpy(fullpath + pathlen + 1, ent->d_name, | |
337 | PATH_MAX - pathlen); |
|
321 | PATH_MAX - pathlen); | |
338 | fullpath[PATH_MAX] = 0; |
|
322 | fullpath[PATH_MAX] = 0; | |
339 | PyErr_SetFromErrnoWithFilename(PyExc_OSError, |
|
323 | PyErr_SetFromErrnoWithFilename(PyExc_OSError, | |
340 | fullpath); |
|
324 | fullpath); | |
341 | goto error; |
|
325 | goto error; | |
342 | } |
|
326 | } | |
343 | kind = st.st_mode & S_IFMT; |
|
327 | kind = st.st_mode & S_IFMT; | |
344 | } |
|
328 | } | |
345 |
|
329 | |||
346 | /* quit early? */ |
|
330 | /* quit early? */ | |
347 | if (skip && kind == S_IFDIR && !strcmp(ent->d_name, skip)) { |
|
331 | if (skip && kind == S_IFDIR && !strcmp(ent->d_name, skip)) { | |
348 | ret = PyList_New(0); |
|
332 | ret = PyList_New(0); | |
349 | goto error; |
|
333 | goto error; | |
350 | } |
|
334 | } | |
351 |
|
335 | |||
352 | if (keepstat) { |
|
336 | if (keepstat) { | |
353 | stat = PyObject_CallObject((PyObject *)&listdir_stat_type, NULL); |
|
337 | stat = PyObject_CallObject((PyObject *)&listdir_stat_type, NULL); | |
354 | if (!stat) |
|
338 | if (!stat) | |
355 | goto error; |
|
339 | goto error; | |
356 | memcpy(&((struct listdir_stat *)stat)->st, &st, sizeof(st)); |
|
340 | memcpy(&((struct listdir_stat *)stat)->st, &st, sizeof(st)); | |
357 | elem = Py_BuildValue("siN", ent->d_name, kind, stat); |
|
341 | elem = Py_BuildValue("siN", ent->d_name, kind, stat); | |
358 | } else |
|
342 | } else | |
359 | elem = Py_BuildValue("si", ent->d_name, kind); |
|
343 | elem = Py_BuildValue("si", ent->d_name, kind); | |
360 | if (!elem) |
|
344 | if (!elem) | |
361 | goto error; |
|
345 | goto error; | |
362 |
|
346 | |||
363 | PyList_Append(list, elem); |
|
347 | PyList_Append(list, elem); | |
364 | Py_DECREF(elem); |
|
348 | Py_DECREF(elem); | |
365 | } |
|
349 | } | |
366 |
|
350 | |||
367 | ret = list; |
|
351 | ret = list; | |
368 | Py_INCREF(ret); |
|
352 | Py_INCREF(ret); | |
369 |
|
353 | |||
370 | error: |
|
354 | error: | |
371 | Py_DECREF(list); |
|
355 | Py_DECREF(list); | |
372 | error_list: |
|
356 | error_list: | |
373 | closedir(dir); |
|
357 | closedir(dir); | |
374 | error_dir: |
|
358 | error_dir: | |
375 | #ifdef AT_SYMLINK_NOFOLLOW |
|
359 | #ifdef AT_SYMLINK_NOFOLLOW | |
376 | close(dfd); |
|
360 | close(dfd); | |
377 | #endif |
|
361 | #endif | |
378 |
error_ |
|
362 | error_value: | |
379 | return ret; |
|
363 | return ret; | |
380 | } |
|
364 | } | |
381 |
|
365 | |||
382 | #endif /* ndef _WIN32 */ |
|
366 | #endif /* ndef _WIN32 */ | |
383 |
|
367 | |||
|
368 | static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs) | |||
|
369 | { | |||
|
370 | PyObject *statobj = NULL; /* initialize - optional arg */ | |||
|
371 | PyObject *skipobj = NULL; /* initialize - optional arg */ | |||
|
372 | char *path, *skip = NULL; | |||
|
373 | int wantstat, plen; | |||
|
374 | ||||
|
375 | static char *kwlist[] = {"path", "stat", "skip", NULL}; | |||
|
376 | ||||
|
377 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|OO:listdir", | |||
|
378 | kwlist, &path, &plen, &statobj, &skipobj)) | |||
|
379 | return NULL; | |||
|
380 | ||||
|
381 | wantstat = statobj && PyObject_IsTrue(statobj); | |||
|
382 | ||||
|
383 | if (skipobj && skipobj != Py_None) { | |||
|
384 | skip = PyString_AsString(skipobj); | |||
|
385 | if (!skip) | |||
|
386 | return NULL; | |||
|
387 | } | |||
|
388 | ||||
|
389 | return _listdir(path, plen, wantstat, skip); | |||
|
390 | } | |||
|
391 | ||||
384 | static char osutil_doc[] = "Native operating system services."; |
|
392 | static char osutil_doc[] = "Native operating system services."; | |
385 |
|
393 | |||
386 | static PyMethodDef methods[] = { |
|
394 | static PyMethodDef methods[] = { | |
387 | {"listdir", (PyCFunction)listdir, METH_VARARGS | METH_KEYWORDS, |
|
395 | {"listdir", (PyCFunction)listdir, METH_VARARGS | METH_KEYWORDS, | |
388 | "list a directory\n"}, |
|
396 | "list a directory\n"}, | |
389 | {NULL, NULL} |
|
397 | {NULL, NULL} | |
390 | }; |
|
398 | }; | |
391 |
|
399 | |||
392 | PyMODINIT_FUNC initosutil(void) |
|
400 | PyMODINIT_FUNC initosutil(void) | |
393 | { |
|
401 | { | |
394 | if (PyType_Ready(&listdir_stat_type) == -1) |
|
402 | if (PyType_Ready(&listdir_stat_type) == -1) | |
395 | return; |
|
403 | return; | |
396 |
|
404 | |||
397 | Py_InitModule3("osutil", methods, osutil_doc); |
|
405 | Py_InitModule3("osutil", methods, osutil_doc); | |
398 | } |
|
406 | } |
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