File 2571-Add-re-version-0.patch of Package erlang

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File 2571-Add-re-version-0.patch of Package erlang

From 74dc036b67427987f54b45beb3adcccd2cf2e27a Mon Sep 17 00:00:00 2001
From: Manuel Rubio <manuel@altenwald.com>
Date: Fri, 31 Mar 2017 01:14:07 +0100
Subject: [PATCH 1/3] Add re:version/0

---
 erts/emulator/beam/bif.tab      |  1 +
 erts/emulator/beam/erl_bif_re.c | 11 +++++++++++
 lib/stdlib/src/re.erl           |  7 ++++++-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 6f50297fc..b0819c642 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -392,6 +392,7 @@ bif erl_ddll:demonitor/1
 #
 # Bifs in the re module 
 #
+bif re:version/0
 bif re:compile/1
 bif re:compile/2
 bif re:run/2
diff --git a/erts/emulator/beam/erl_bif_re.c b/erts/emulator/beam/erl_bif_re.c
index a66b05c6f..5dbf2a7de 100644
--- a/erts/emulator/beam/erl_bif_re.c
+++ b/erts/emulator/beam/erl_bif_re.c
@@ -477,6 +477,17 @@ build_compile_result(Process *p, Eterm error_tag, pcre *result, int errcode, con
  * Compile BIFs
  */
 
+BIF_RETTYPE
+re_version_0(BIF_ALIST_0)
+{
+    Eterm ret;
+    size_t version_size = 0;
+    byte *version = (byte *) erts_pcre_version();
+    version_size = strlen((const char *) version);
+    ret = new_binary(BIF_P, version, version_size);
+    BIF_RET(ret);
+}
+
 static BIF_RETTYPE
 re_compile(Process* p, Eterm arg1, Eterm arg2)
 {
diff --git a/lib/stdlib/src/re.erl b/lib/stdlib/src/re.erl
index 52d3c3560..28aab7b59 100644
--- a/lib/stdlib/src/re.erl
+++ b/lib/stdlib/src/re.erl
@@ -33,7 +33,12 @@
 
 %%% BIFs
 
--export([compile/1, compile/2, run/2, run/3, inspect/2]).
+-export([version/0, compile/1, compile/2, run/2, run/3, inspect/2]).
+
+-spec version() -> binary().
+
+version() ->
+    erlang:nif_error(undef).
 
 -spec compile(Regexp) -> {ok, MP} | {error, ErrSpec} when
       Regexp :: iodata(),
-- 
2.12.2

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File 2571-Add-re-version-0.patch of Package erlang

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