1 files changed, 120 insertions, 0 deletions
diff --git a/src/python-missingos/missingos.c b/src/python-missingos/missingos.c
new file mode 100644
index 00000000..cbcde5bf
--- /dev/null
+++ b/src/python-missingos/missingos.c
@@ -0,0 +1,120 @@
+/* $Header: /var/cvsroot/gentoo-src/portage/src/python-missingos/missingos.c,v 1.5.2.1 2004/10/22 16:53:30 carpaski Exp $ */
+
+#include "Python.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+static char missingos_lchown__doc__[];
+static PyObject * missingos_lchown(PyObject *self, PyObject *args);
+static char missingos_mknod__doc__[];
+static PyObject * missingos_mknod(PyObject *self, PyObject *args);
+
+static char missingos__doc__[] = "Provide some operations that\
+    are missing from the standard os / posix modules.";
+
+static PyMethodDef missingos_methods[] = {
+    {"lchown", missingos_lchown, METH_VARARGS, missingos_lchown__doc__},
+    {"mknod", missingos_mknod, METH_VARARGS, missingos_mknod__doc__},
+    {NULL,		NULL}		/* sentinel */
+};
+
+static PyObject *
+posix_error_with_allocated_filename(char* name)
+{
+    PyObject *rc = PyErr_SetFromErrnoWithFilename(PyExc_OSError, name);
+    PyMem_Free(name);
+    return rc;
+}
+
+static char missingos_lchown__doc__[] =
+"lchown(path, uid, gid) -> None\n\
+Change the owner and group id of path to the numeric uid and gid.";
+
+static PyObject *
+missingos_lchown(PyObject *self, PyObject *args) {
+    char *path = NULL;
+    int uid, gid;
+    int res;
+    if (!PyArg_ParseTuple(args, "etii:lchown",
+                          Py_FileSystemDefaultEncoding, &path,
+                          &uid, &gid))
+        return NULL;
+    res = lchown(path, (uid_t) uid, (gid_t) gid);
+    if (res < 0)
+        return posix_error_with_allocated_filename(path);
+    PyMem_Free(path);
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+
+static char missingos_mknod__doc__[] =
+"mknod(path, type, major, minor [, mode=0600 ]) -> None\n\
+Create a special file. Mode fixed at 0600.\
+Note that for type 'p' major and minor are ignored.\
+";
+
+static PyObject *
+missingos_mknod(PyObject *self, PyObject *args) {
+    char *path = NULL;
+    char *type = NULL;
+    int major = 0;
+    int minor = 0;
+    mode_t real_mode;
+    dev_t real_dev;
+    int mode = 0600;
+
+    int res;
+    if (!PyArg_ParseTuple(args, "etsii|i:mknod",
+                          Py_FileSystemDefaultEncoding, &path,
+                          &type, &major, &minor, &mode))
+        return NULL;
+    /* type can be *one* of b, c, u, p */
+    /* major/minor are forbidden for p, reqd otherwise */
+    if (!strcmp(type, "p")) {
+        /* pipe */
+        if (major != 0 || minor != 0) {
+            return NULL;
+        }
+        real_mode = S_IFIFO;
+        major = 0;
+        minor = 0;
+    } else if (!strcmp(type, "b")) {
+        /* block */
+        real_mode = S_IFBLK;
+    } else if (!strcmp(type, "c")) {
+        real_mode = S_IFCHR;
+        /* char */
+    } else if (!strcmp(type, "u")) {
+        real_mode = S_IFCHR;
+        /* unbuffered char */
+    } else {
+        /* error */
+        PyErr_SetString(PyExc_ValueError, "type must be one of p,b,c,u");
+        return NULL;
+    }
+
+    real_mode |= mode;
+    real_dev = (major << 8) | minor;
+
+    /* use mode to modify real_mode */
+
+    res = mknod(path, real_mode, real_dev);
+    if (res < 0)
+        return posix_error_with_allocated_filename(path);
+    PyMem_Free(path);
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+
+
+DL_EXPORT(void)
+initmissingos(void) {
+    PyObject *m;
+
+    m = Py_InitModule4("missingos", missingos_methods,
+                       missingos__doc__, (PyObject *)NULL,
+                       PYTHON_API_VERSION);
+}