From 8747cd034a460597a78c4ac616c13e3c981ff1d3 Mon Sep 17 00:00:00 2001
From: Konstantin Serebryany <konstantin.s.serebryany@gmail.com>
Date: Tue, 3 Jun 2014 16:39:08 +0530
Subject: Remove redundant nested function b64_from_24bit

Move multiple definitions of the nested function b64_from_24bit into a
single function __b64_from_24bit.
---
 crypt/crypt_util.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'crypt/crypt_util.c')

diff --git a/crypt/crypt_util.c b/crypt/crypt_util.c
index 287593142b..9381d67194 100644
--- a/crypt/crypt_util.c
+++ b/crypt/crypt_util.c
@@ -253,6 +253,10 @@ static ufc_long eperm32tab[4][256][2];
  */
 static ufc_long efp[16][64][2];
 
+/* Table with characters for base64 transformation.  */
+static const char b64t[64] =
+"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+
 /*
  * For use by the old, non-reentrant routines
  * (crypt/encrypt/setkey)
@@ -956,3 +960,17 @@ setkey(__key)
 {
   __setkey_r(__key, &_ufc_foobar);
 }
+
+void
+__b64_from_24bit (char **cp, int *buflen,
+		  unsigned int b2, unsigned int b1, unsigned int b0,
+		  int n)
+{
+  unsigned int w = (b2 << 16) | (b1 << 8) | b0;
+  while (n-- > 0 && (*buflen) > 0)
+    {
+      *(*cp)++ = b64t[w & 0x3f];
+      --(*buflen);
+      w >>= 6;
+    }
+}
-- 
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