From 86ba9a4e1f100b1adaf2c94e54963af08c4bb20e Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Thu, 6 Apr 2000 17:19:53 +0000
Subject: [PATCH] (decode_unsigned): add

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@8126 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/asn1/der_get.c | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/lib/asn1/der_get.c b/lib/asn1/der_get.c
index f331a6750..e6e667b0e 100644
--- a/lib/asn1/der_get.c
+++ b/lib/asn1/der_get.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -224,6 +224,33 @@ decode_integer (const unsigned char *p, size_t len,
     return 0;
 }
 
+int
+decode_unsigned (const unsigned char *p, size_t len,
+		 unsigned *num, size_t *size)
+{
+    size_t ret = 0;
+    size_t l, reallen;
+    int e;
+
+    e = der_match_tag (p, len, UNIV, PRIM, UT_Integer, &l);
+    if (e) return e;
+    p += l;
+    len -= l;
+    ret += l;
+    e = der_get_length (p, len, &reallen, &l);
+    if (e) return e;
+    p += l;
+    len -= l;
+    ret += l;
+    e = der_get_unsigned (p, reallen, num, &l);
+    if (e) return e;
+    p += l;
+    len -= l;
+    ret += l;
+    if(size) *size = ret;
+    return 0;
+}
+
 int
 decode_general_string (const unsigned char *p, size_t len, 
 		       general_string *str, size_t *size)