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improve description of buffers argument for readv/writev (closes #17811)

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Patch by Nikolaus Rath.
This commit is contained in:
Benjamin Peterson 2014-01-18 22:54:59 -05:00
parent a96860c91c
commit e83ed43281
2 changed files with 22 additions and 14 deletions
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16
Modules/posixmodule.c
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@ -8100,9 +8100,12 @@ iov_cleanup(struct iovec *iov, Py_buffer *buf, int cnt)
#ifdef HAVE_READV
PyDoc_STRVAR(posix_readv__doc__,
"readv(fd, buffers) -> bytesread\n\n\
Read from a file descriptor into a number of writable buffers. buffers\n\
is an arbitrary sequence of writable buffers.\n\
Returns the total number of bytes read.");
Read from a file descriptor fd into a number of mutable, bytes-like\n\
objects (\"buffers\"). readv will transfer data into each buffer\n\
until it is full and then move on to the next buffer in the sequence\n\
to hold the rest of the data.\n\n\
readv returns the total number of bytes read (which may be less than\n\
the total capacity of all the buffers.");
static PyObject *
posix_readv(PyObject *self, PyObject *args)
@ -8465,9 +8468,10 @@ posix_pipe2(PyObject *self, PyObject *arg)
#ifdef HAVE_WRITEV
PyDoc_STRVAR(posix_writev__doc__,
"writev(fd, buffers) -> byteswritten\n\n\
Write the contents of buffers to a file descriptor, where buffers is an\n\
arbitrary sequence of buffers.\n\
Returns the total bytes written.");
Write the contents of *buffers* to file descriptor *fd*. *buffers*\n\
must be a sequence of bytes-like objects.\n\n\
writev writes the contents of each object to the file descriptor\n\
and returns the total number of bytes written.");
static PyObject *
posix_writev(PyObject *self, PyObject *args)