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File 2857-snmp-Types-and-specs-for-snmp_generic-get_status_col.patch of Package erlang (Revision 2f15b05a39d64e5cba90e927e8665465)

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From 2281e3cda748d1ffeca4b52b8bd3418f549f57c9 Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Fri, 12 Jan 2024 13:18:51 +0100
Subject: [PATCH 37/67] [snmp] Types and specs for
 snmp_generic:get_status_col/2

---
 lib/snmp/doc/src/snmp_generic.xml   | 45 ++++++++++++++++++++---------
 lib/snmp/src/agent/snmp_generic.erl | 15 ++++++++++
 2 files changed, 47 insertions(+), 13 deletions(-)

diff --git a/lib/snmp/doc/src/snmp_generic.xml b/lib/snmp/doc/src/snmp_generic.xml
index ec1d1460eb..22d198636f 100644
--- a/lib/snmp/doc/src/snmp_generic.xml
+++ b/lib/snmp/doc/src/snmp_generic.xml
@@ -94,6 +94,32 @@
 </pre>
 </description>
 
+
+ <datatypes>
+ <datatype>
+ <name name="column"/>
+ 
+ </datatype>
+
+ <datatype>
+ <name name="columns"/>
+ <desc>
+	
+	 Is a list of column numbers in the case of a get operation,
+	 and a list of column numbers and values in the case of a
+	 set operation.
+	
+ </desc>
+ </datatype>
+
+ </datatypes>
+ 
 <section>
 <marker id="data_types"></marker>
 <title>DATA TYPES</title>
@@ -127,21 +153,14 @@ value() = term()
 
 <funcs>
 <func>
- <name since="">get_status_col(Name, Cols)</name>
- <name since="">get_status_col(NameDb, Cols) -> {ok, StatusVal} | false</name>
+ <name name="get_status_col" arity="2" clause_i="1" since=""/>
 <fsummary>Get the value of the status column from <c>Cols</c></fsummary>
- <type>
- <v>Name = name()</v>
- <v>NameDb = name_db()</v>
- <v>Cols = columns()</v>
- <v>StatusVal = term()</v>
- </type>
 <desc>
- Gets the value of the status column from <c>Cols</c>.
- 
- This function can be used in instrumentation functions for
- <c>is_set_ok</c>, <c>undo</c> or <c>set</c> to check if the
- status column of a table is modified.
+ Gets the value of the status column from <c>Cols</c>. 
+
+	This function can be used in instrumentation functions for
+	<c>is_set_ok</c>, <c>undo</c> or <c>set</c> to check if the
+	status column of a table is modified. 
 	 
 	 <marker id="get_index_types"></marker>
 </desc>
diff --git a/lib/snmp/src/agent/snmp_generic.erl b/lib/snmp/src/agent/snmp_generic.erl
index 9c25a70519..1c070388e8 100644
--- a/lib/snmp/src/agent/snmp_generic.erl
+++ b/lib/snmp/src/agent/snmp_generic.erl
@@ -37,6 +37,11 @@
 	 handle_table_get/4, variable_inc/2,
 	 get_status_col/2, get_table_info/2, get_index_types/1]).
 
+-export_type([
+ column/0,
+ columns/0
+ ]).
+
 -include("STANDARD-MIB.hrl").
 -include("snmp_types.hrl").
 
@@ -48,6 +53,10 @@
 -endif.
 
 
+-type column() :: integer().
+-type columns() :: [column()] | [{column(), Value :: term()}].
+
+
 %%%-----------------------------------------------------------------
 %%% Generic functions for implementing software tables
 %%% and variables. 
@@ -837,6 +846,12 @@ table_get_row(NameDb, RowIndex, _FOI) ->
 %% Used by user's instrum func to check if mstatus column is 
 %% modified.
 %%-----------------------------------------------------------------
+
+-spec get_status_col(Name, Cols) -> false | {value, StatusCol} when
+ Name :: snmpa:name() | snmpa:name_db(),
+ Cols :: columns(),
+ StatusCol :: term().
+
 get_status_col(Name, Cols) ->
 #table_info{status_col = StatusCol} = table_info(Name),
 case lists:keysearch(StatusCol, 1, Cols) of
-- 
2.35.3

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