Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/docs/nspr/reference/pr_read.rst b/docs/nspr/reference/pr_read.rst
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+PR_Read
+=======
+
+Reads bytes from a file or socket.
+
+
+Syntax
+------
+
+.. code::
+
+   #include <prio.h>
+
+   PRInt32 PR_Read(PRFileDesc *fd,
+                  void *buf,
+                  PRInt32 amount);
+
+
+Parameters
+~~~~~~~~~~
+
+The function has the following parameters:
+
+``fd``
+   A pointer to a :ref:`PRFileDesc` object for the file or socket.
+``buf``
+   A pointer to a buffer to hold the data read in. On output, the buffer
+   contains the data.
+``amount``
+   The size of ``buf`` (in bytes).
+
+
+Returns
+~~~~~~~
+
+One of the following values:
+
+-  A positive number indicates the number of bytes actually read in.
+-  The value 0 means end of file is reached or the network connection is
+   closed.
+-  The value -1 indicates a failure. To get the reason for the failure,
+   call :ref:`PR_GetError`.
+
+
+Description
+-----------
+
+The thread invoking :ref:`PR_Read` blocks until it encounters an
+end-of-stream indication, some positive number of bytes (but no more
+than ``amount`` bytes) are read in, or an error occurs.