From 8c8663f32f0e9fc2b9483e2b99cee5f703640e88 Mon Sep 17 00:00:00 2001
From: Tuncer Ayaz <tuncer.ayaz@gmail.com>
Date: Fri, 7 May 2010 18:12:05 +0200
Subject: erl_nif: add enif_get_atom_length and enif_get_list_length

Add new NIF API functions
 - enif_get_atom_length
 - enif_get_list_length

Signed-off-by: Tuncer Ayaz <tuncer.ayaz@gmail.com>
---
 erts/doc/src/erl_nif.xml | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'erts/doc/src')

diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml
index dda6354c61..dc68eb5e5e 100644
--- a/erts/doc/src/erl_nif.xml
+++ b/erts/doc/src/erl_nif.xml
@@ -477,6 +477,12 @@ typedef enum {
               <c>term</c> is not an atom with maximum length of 
               <c>size-1</c>.</p></desc>
     </func>
+    <func><name><ret>int</ret><nametext>enif_get_atom_length(ErlNifEnv* env, ERL_NIF_TERM term, unsigned* len)</nametext></name>
+      <fsummary>Get the length of atom <c>term</c>.</fsummary>
+      <desc><p>Set <c>*len</c> to the length (number of bytes excluding
+      terminating null character) of <c>term</c> or return false if
+      <c>term</c> is not an atom.</p></desc>
+    </func>
     <func><name><ret>int</ret><nametext>enif_get_double(ErlNifEnv* env, ERL_NIF_TERM term, double* dp)</nametext></name>
       <fsummary>Read a floating-point number term.</fsummary>
       <desc><p>Set <c>*dp</c> to the floating point value of
@@ -494,6 +500,11 @@ typedef enum {
       <c>list</c> or return false if <c>list</c> is not a non-empty
       list.</p></desc>
     </func>
+    <func><name><ret>int</ret><nametext>enif_get_list_length(ErlNifEnv* env, ERL_NIF_TERM term, unsigned* len)</nametext></name>
+      <fsummary>Get the length of list <c>term</c>.</fsummary>
+      <desc><p>Set <c>*len</c> to the length of <c>term</c> or return
+      false if <c>term</c> is not a list.</p></desc>
+    </func>
     <func><name><ret>int</ret><nametext>enif_get_long(ErlNifEnv* env, ERL_NIF_TERM term, long int* ip)</nametext></name>
       <fsummary>Read an long integer term.</fsummary>
       <desc><p>Set <c>*ip</c> to the long integer value of
-- 
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