From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 docs/nspr/reference/pr_seek.rst | 85 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 docs/nspr/reference/pr_seek.rst

(limited to 'docs/nspr/reference/pr_seek.rst')

diff --git a/docs/nspr/reference/pr_seek.rst b/docs/nspr/reference/pr_seek.rst
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+PR_Seek
+=======
+
+Moves the current read-write file pointer by an offset expressed as a
+32-bit integer.
+
+.. container:: blockIndicator deprecated deprecatedHeader
+
+   | **Deprecated**
+   | This feature is no longer recommended. Though some browsers might
+     still support it, it may have already been removed from the
+     relevant web standards, may be in the process of being dropped, or
+     may only be kept for compatibility purposes. Avoid using it, and
+     update existing code if possible; see the `compatibility
+     table <#Browser_compatibility>`__ at the bottom of this page to
+     guide your decision. Be aware that this feature may cease to work
+     at any time.
+
+Deprecated in favor of :ref:`PR_Seek64`.
+
+
+Syntax
+~~~~~~
+
+.. code::
+
+   #include <prio.h>
+
+   PRInt32 PR_Seek(
+     PRFileDesc *fd,
+     PRInt32 offset,
+     PRSeekWhence whence);
+
+
+Parameters
+~~~~~~~~~~
+
+The function has the following parameters:
+
+``fd``
+   A pointer to a :ref:`PRFileDesc` object.
+``offset``
+   A value, in bytes, used with the whence parameter to set the file
+   pointer. A negative value causes seeking in the reverse direction.
+``whence``
+   A value of type :ref:`PRSeekWhence` that specifies how to interpret the
+   ``offset`` parameter in setting the file pointer associated with the
+   fd parameter. The value for the ``whence`` parameter can be one of
+   the following:
+
+    - :ref:`PR_SEEK_SET`. Sets the file pointer to the value of the
+      ``offset`` parameter.
+    - :ref:`PR_SEEK_CUR`. Sets the file pointer to its current location
+      plus the value of the ``offset`` parameter.
+    - :ref:`PR_SEEK_END`. Sets the file pointer to the size of the file
+      plus the value of the ``offset`` parameter.
+
+
+Returns
+~~~~~~~
+
+The function returns one of the following values:
+
+-  If the function completes successfully, it returns the resulting file
+   pointer location, measured in bytes from the beginning of the file.
+-  If the function fails, the file pointer remains unchanged and the
+   function returns -1. The error code can then be retrieved with
+   :ref:`PR_GetError`.
+
+
+Description
+-----------
+
+Here's an idiom for obtaining the current location of the file pointer
+for the file descriptor ``fd``:
+
+``PR_Seek(fd, 0, PR_SEEK_CUR)``
+
+
+See Also
+--------
+
+If you need to move the file pointer by a large offset that's out of the
+range of a 32-bit integer, use :ref:`PR_Seek64`. New code should use
+:ref:`PR_Seek64` so that it can handle files larger than 2 GB.
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