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See SF# 1751801: Windows: Add the _fileio builtin module, and undefine

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HAVE_FTRUNCATE because ftruncate does not exist on Windows.
This commit is contained in:
Thomas Heller 2007-07-11 12:45:46 +00:00
parent 9004427589
commit c6a55ee2a5
3 changed files with 12 additions and 1 deletions
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8
Modules/_fileio.c
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@ -22,7 +22,7 @@
#ifdef MS_WINDOWS
/* can simulate truncate with Win32 API functions; see file_truncate */
#define HAVE_FTRUNCATE
/* #define HAVE_FTRUNCATE */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
@ -581,6 +581,7 @@ fileio_tell(PyFileIOObject *self, PyObject *args)
return portable_lseek(self->fd, NULL, 1);
}
#ifdef HAVE_FTRUNCATE
static PyObject *
fileio_truncate(PyFileIOObject *self, PyObject *args)
{
@ -629,6 +630,7 @@ fileio_truncate(PyFileIOObject *self, PyObject *args)
return posobj;
}
#endif
static char *
mode_string(PyFileIOObject *self)
@ -711,10 +713,12 @@ PyDoc_STRVAR(seek_doc,
"\n"
"Note that not all file objects are seekable.");
#ifdef HAVE_FTRUNCATE
PyDoc_STRVAR(truncate_doc,
"truncate([size: int]) -> None. Truncate the file to at most size bytes.\n"
"\n"
"Size defaults to the current file position, as returned by tell().");
#endif
PyDoc_STRVAR(tell_doc,
"tell() -> int. Current file position");
@ -747,7 +751,9 @@ static PyMethodDef fileio_methods[] = {
{"write", (PyCFunction)fileio_write, METH_VARARGS, write_doc},
{"seek", (PyCFunction)fileio_seek, METH_VARARGS, seek_doc},
{"tell", (PyCFunction)fileio_tell, METH_VARARGS, tell_doc},
#ifdef HAVE_FTRUNCATE
{"truncate", (PyCFunction)fileio_truncate, METH_VARARGS, truncate_doc},
#endif
{"close", (PyCFunction)fileio_close, METH_NOARGS, close_doc},
{"seekable", (PyCFunction)fileio_seekable, METH_NOARGS, seekable_doc},
{"readable", (PyCFunction)fileio_readable, METH_NOARGS, readable_doc},

2
PC/config.c
View File

@ -59,6 +59,7 @@ extern void init_subprocess(void);
extern void init_lsprof(void);
extern void init_ast(void);
extern void init_types(void);
extern void init_fileio(void);
/* tools/freeze/makeconfig.py marker for additional "extern" */
/* -- ADDMODULE MARKER 1 -- */
@ -145,6 +146,7 @@ struct _inittab _PyImport_Inittab[] = {
{"sys", NULL},
{"_types", init_types},
{"_fileio", init_fileio},
/* Sentinel */
{0, 0}

3
PCbuild/pythoncore.vcproj
View File

@ -370,6 +370,9 @@
<File
RelativePath="..\Modules\_csv.c">
</File>
<File
RelativePath="..\Modules\_fileio.c">
</File>
<File
RelativePath="..\Modules\_functoolsmodule.c">
</File>