From ef45d2c9f874354b17c2aca96de7b3306a9eb943 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Mon, 8 Dec 2014 20:37:59 +0100
Subject: erts: Add enif_getenv

to read OS environment variables in a safe and portable way.
---
 erts/doc/src/erl_nif.xml | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'erts/doc/src')

diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml
index 23c3d5fcee..3b77b1ffa0 100644
--- a/erts/doc/src/erl_nif.xml
+++ b/erts/doc/src/erl_nif.xml
@@ -791,6 +791,10 @@ typedef enum {
       and return true, or return false if <c>term</c> is not an unsigned integer or is
       outside the bounds of type <c>unsigned long</c>.</p></desc>
     </func>
+    <func><name><ret>int</ret><nametext>enif_getenv(const char* key, char* value, size_t *value_size)</nametext></name>
+      <fsummary>Get the value of an environment variable</fsummary>
+      <desc><p>Same as <seealso marker="erl_driver#erl_drv_getenv">erl_drv_getenv</seealso>.</p></desc>
+    </func>
     <func><name><ret>int</ret><nametext>enif_has_pending_exception(ErlNifEnv* env, ERL_NIF_TERM* reason)</nametext></name>
       <fsummary>Check if an exception has been raised</fsummary>
       <desc><p>Return true if a pending exception is associated
-- 
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