From a486ba59ea3e437a410ddda82282dbe573a5f0b0 Mon Sep 17 00:00:00 2001
From: "matthias.ringwald"
 <matthias.ringwald@1a0a8af8-31b5-11de-8e0c-53a27eea117e>
Date: Thu, 12 May 2011 20:02:14 +0000
Subject: [PATCH] added sdp_traversal_set_attribute_for_id

---
 include/btstack/sdp_util.h |  1 +
 src/sdp_util.c             | 39 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/include/btstack/sdp_util.h b/include/btstack/sdp_util.h
index e457d0259..fc9dff489 100644
--- a/include/btstack/sdp_util.h
+++ b/include/btstack/sdp_util.h
@@ -125,6 +125,7 @@ int de_get_data_size(uint8_t * header);
 #pragma mark SDP
 int sdp_append_attributes_in_attributeIDList(uint8_t *record, uint8_t *attributeIDList, uint16_t startIndex, uint16_t maxBytes, uint8_t *buffer);
 uint8_t * sdp_get_attribute_value_for_attribute_id(uint8_t * record, uint16_t attributeID);
+    uint8_t sdp_set_attribute_value_for_attribute_id(uint8_t * record, uint16_t attributeID, uint32_t value);
 int sdp_record_matches_service_search_pattern(uint8_t *record, uint8_t *serviceSearchPattern);
 
 #if defined __cplusplus
diff --git a/src/sdp_util.c b/src/sdp_util.c
index 93adeddc6..7468e7f52 100644
--- a/src/sdp_util.c
+++ b/src/sdp_util.c
@@ -366,6 +366,45 @@ uint8_t * sdp_get_attribute_value_for_attribute_id(uint8_t * record, uint16_t at
     return context.attributeValue;
 }
 
+#pragma mark Set AttributeValue for AttributeID
+struct sdp_context_set_attribute_for_id {
+    uint16_t  attributeID;
+    uint32_t  attributeValue;
+    uint8_t   attributeFound;
+};
+static int sdp_traversal_set_attribute_for_id(uint16_t attributeID, uint8_t * attributeValue, de_type_t attributeType, de_size_t size, void *my_context){
+    struct sdp_context_set_attribute_for_id * context = (struct sdp_context_set_attribute_for_id *) my_context;
+    if (attributeID == context->attributeID) {
+        context->attributeFound = 1;
+        switch (size){
+            case DE_SIZE_8:
+                if (attributeType != DE_NIL){
+                    attributeValue[1] = context->attributeValue;
+                }
+                break;
+            case DE_SIZE_16:
+                net_store_16(attributeValue, 1, context->attributeValue);
+                break;
+            case DE_SIZE_32:
+                net_store_32(attributeValue, 1, context->attributeValue);
+                break;
+                // Might want to support STRINGS to, copy upto original length
+            default:
+                break;
+        }        
+        return 1;
+    }
+    return 0;
+}
+uint8_t sdp_set_attribute_value_for_attribute_id(uint8_t * record, uint16_t attributeID, uint32_t value){
+    struct sdp_context_set_attribute_for_id context;
+    context.attributeID = attributeID;
+    context.attributeValue = value;
+    context.attributeFound = 0;
+    sdp_attribute_list_traverse_sequence(record, sdp_traversal_set_attribute_for_id, &context);
+    return context.attributeFound;
+}
+
 #pragma mark ServiceRecord contains UUID
 // service record contains UUID
 // context { normalizedUUID }