svn commit: r335587 - head/share/man/man9
Oleksandr Tymoshenko
gonzo at FreeBSD.org
Sat Jun 23 20:05:09 UTC 2018
Author: gonzo
Date: Sat Jun 23 20:05:07 2018
New Revision: 335587
URL: https://svnweb.freebsd.org/changeset/base/335587
Log:
Document multi variants of *prop_alloc functions
Add documentation and symlinks for OF_getprop_alloc_multi
and OF_getencprop_alloc_multi functions.
Also while here fix copy-pasted .Dt value and add one more
failure condition for OF_getencprop_alloc.
Modified:
head/share/man/man9/Makefile
head/share/man/man9/OF_getprop.9
Modified: head/share/man/man9/Makefile
==============================================================================
--- head/share/man/man9/Makefile Sat Jun 23 19:30:29 2018 (r335586)
+++ head/share/man/man9/Makefile Sat Jun 23 20:05:07 2018 (r335587)
@@ -1540,7 +1540,9 @@ MLINKS+=OF_device_from_xref.9 OF_device_register_xref.
OF_device_from_xref.9 OF_xref_from_device.9
MLINKS+=OF_getprop.9 OF_getencprop.9 \
OF_getprop.9 OF_getencprop_alloc.9 \
+ OF_getprop.9 OF_getencprop_alloc_multi.9 \
OF_getprop.9 OF_getprop_alloc.9 \
+ OF_getprop.9 OF_getprop_alloc_multi.9 \
OF_getprop.9 OF_getproplen.9 \
OF_getprop.9 OF_hasprop.9 \
OF_getprop.9 OF_nextprop.9 \
Modified: head/share/man/man9/OF_getprop.9
==============================================================================
--- head/share/man/man9/OF_getprop.9 Sat Jun 23 19:30:29 2018 (r335586)
+++ head/share/man/man9/OF_getprop.9 Sat Jun 23 20:05:07 2018 (r335587)
@@ -25,8 +25,8 @@
.\"
.\" $FreeBSD$
.\"
-.Dd April 9, 2018
-.Dt OF_CHILD 9
+.Dd June 23, 2018
+.Dt OF_GETPROP 9
.Os
.Sh NAME
.Nm OF_getprop ,
@@ -37,6 +37,8 @@
.Nm OF_searchencprop ,
.Nm OF_getprop_alloc ,
.Nm OF_getencprop_alloc ,
+.Nm OF_getprop_alloc_multi ,
+.Nm OF_getencprop_alloc_multi ,
.Nm OF_prop_free ,
.Nm OF_nextprop ,
.Nm OF_setprop
@@ -66,6 +68,12 @@
.Ft ssize_t
.Fn OF_getencprop_alloc "phandle_t node" "const char *propname" \
"pcell_t **buf"
+.Ft ssize_t
+.Fn OF_getprop_alloc_multi "phandle_t node" "const char *propname" \
+"int elsz" "void **buf"
+.Ft ssize_t
+.Fn OF_getencprop_alloc_multi "phandle_t node" "const char *propname" \
+"int elsz" "pcell_t **buf"
.Ft void
.Fn OF_prop_free "void *buf"
.Ft int
@@ -204,19 +212,73 @@ If the property has zero-length value,
.Fa *buf
is set to NULL.
Returns -1 if the property does not exist or
-memory allocation failed.
+memory allocation failed or the size of the value is not
+divisible by a cell size (4 bytes).
Allocated memory should be released when no longer required
by calling
.Fn OF_prop_free .
The function might sleep when allocating memory.
.Pp
+.Fn OF_getprop_alloc_multi
+allocates memory large enough to hold the
+value associated with the property
+.Fa propname
+of the device node
+.Fa node
+and copies the value into the newly allocated memory region.
+The value is expected to be an array of zero or more elements
+.Fa elsz
+bytes long.
+Returns the number of elements in the value and stores
+the address of the allocated memory in
+.Fa *buf .
+If the property has a zero-sized value
+.Fa *buf
+is set NULL.
+Returns -1 if the property does not exist or
+memory allocation failed or the size of the value is not
+divisible by
+.Fa elsz .
+Allocated memory should be released when no longer required
+by calling
+.Fn OF_prop_free .
+The function might sleep when allocating memory.
+.Pp
+.Fn OF_getencprop_alloc_multi
+allocates memory large enough to hold the
+value associated with the property
+.Fa propname
+of the device node
+.Fa node
+and copies the value into the newly allocated memory region, and
+then converts cell values from big-endian to host byte
+order.
+The value is expected to be an array of zero or more elements
+.Fa elsz
+bytes long.
+Returns the number of elements in the value and stores
+the address of the allocated memory in
+.Fa *buf .
+If the property has a zero-sized value
+.Fa *buf
+is set NULL.
+Returns -1 if the property does not exist or
+memory allocation failed or the size of the value is not
+divisible by
+.Fa elsz .
+Allocated memory should be released when no longer required
+by calling
+.Fn OF_prop_free .
+The function might sleep when allocating memory.
+.Pp
.Fn OF_prop_free
releases memory at
.Fa buf
that was allocated by
-.Fn OF_getprop_alloc
-or
-.Fn OF_getencprop_alloc .
+.Fn OF_getprop_alloc ,
+.Fn OF_getencprop_alloc ,
+.Fn OF_getprop_alloc_multi ,
+.Fn OF_getencprop_alloc_multi .
.Pp
.Fn OF_nextprop
copies a maximum of
More information about the svn-src-all
mailing list