diff options
Diffstat (limited to 'Modules/posixmodule.c')
| -rw-r--r-- | Modules/posixmodule.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index c993fb6..d737624 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -7087,7 +7087,7 @@ posix_readlink(PyObject *self, PyObject *args, PyObject *kwargs) { path_t path; int dir_fd = DEFAULT_DIR_FD; - char buffer[MAXPATHLEN]; + char buffer[MAXPATHLEN+1]; ssize_t length; PyObject *return_value = NULL; static char *keywords[] = {"path", "dir_fd", NULL}; @@ -7102,16 +7102,17 @@ posix_readlink(PyObject *self, PyObject *args, PyObject *kwargs) Py_BEGIN_ALLOW_THREADS #ifdef HAVE_READLINKAT if (dir_fd != DEFAULT_DIR_FD) - length = readlinkat(dir_fd, path.narrow, buffer, sizeof(buffer)); + length = readlinkat(dir_fd, path.narrow, buffer, MAXPATHLEN); else #endif - length = readlink(path.narrow, buffer, sizeof(buffer)); + length = readlink(path.narrow, buffer, MAXPATHLEN); Py_END_ALLOW_THREADS if (length < 0) { return_value = path_error(&path); goto exit; } + buffer[length] = '\0'; if (PyUnicode_Check(path.object)) return_value = PyUnicode_DecodeFSDefaultAndSize(buffer, length); |