intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 73 insertions, 0 deletions

diff --git a/contrib/tools/python/src/Include/cStringIO.h b/contrib/tools/python/src/Include/cStringIO.h
new file mode 100644
index 00000000000..973a4710868
--- /dev/null
+++ b/contrib/tools/python/src/Include/cStringIO.h
@@ -0,0 +1,73 @@
+#ifndef Py_CSTRINGIO_H
+#define Py_CSTRINGIO_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*
+
+  This header provides access to cStringIO objects from C.
+  Functions are provided for calling cStringIO objects and
+  macros are provided for testing whether you have cStringIO
+  objects.
+
+  Before calling any of the functions or macros, you must initialize
+  the routines with:
+
+    PycString_IMPORT
+
+  This would typically be done in your init function.
+
+*/
+
+#define PycStringIO_CAPSULE_NAME "cStringIO.cStringIO_CAPI"
+
+#define PycString_IMPORT \
+  PycStringIO = ((struct PycStringIO_CAPI*)PyCapsule_Import(\
+    PycStringIO_CAPSULE_NAME, 0))
+
+/* Basic functions to manipulate cStringIO objects from C */
+
+static struct PycStringIO_CAPI {
+
+ /* Read a string from an input object.  If the last argument
+    is -1, the remainder will be read.
+    */
+  int(*cread)(PyObject *, char **, Py_ssize_t);
+
+ /* Read a line from an input object.  Returns the length of the read
+    line as an int and a pointer inside the object buffer as char** (so
+    the caller doesn't have to provide its own buffer as destination).
+    */
+  int(*creadline)(PyObject *, char **);
+
+  /* Write a string to an output object*/
+  int(*cwrite)(PyObject *, const char *, Py_ssize_t);
+
+  /* Get the output object as a Python string (returns new reference). */
+  PyObject *(*cgetvalue)(PyObject *);
+
+  /* Create a new output object */
+  PyObject *(*NewOutput)(int);
+
+  /* Create an input object from a Python string
+     (copies the Python string reference).
+     */
+  PyObject *(*NewInput)(PyObject *);
+
+  /* The Python types for cStringIO input and output objects.
+     Note that you can do input on an output object.
+     */
+  PyTypeObject *InputType, *OutputType;
+
+} *PycStringIO;
+
+/* These can be used to test if you have one */
+#define PycStringIO_InputCheck(O) \
+  (Py_TYPE(O)==PycStringIO->InputType)
+#define PycStringIO_OutputCheck(O) \
+  (Py_TYPE(O)==PycStringIO->OutputType)
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_CSTRINGIO_H */