Changeset 957 for trunk/zoo-project/zoo-kernel/service.c

Timestamp:

Feb 6, 2020, 3:12:42 PM (4 years ago)

Author:

knut

Message:

Added function for allocating memory for map values (allocateMapValue). Fixed issue with getting attributes from input data node. Added code to support MIME subtype attributes in key-value pairs.

File:

• trunk/zoo-project/zoo-kernel/service.c (modified) (1 diff)

trunk/zoo-project/zoo-kernel/service.c

@@ -1829 +1829 @@
 #endif
 #endif
+
+/*
+ * Dynamically allocate memory for a map value 
+ *
+ * @param node the map for which the value buffer should be allocated
+ * @param num_bytes the number of bytes to allocate
+ * @return pointer to the allocated memory buffer
+ *
+ * This function will free, and hence delete, any existing value in the map.
+ * The memory should be deallocated by calling freeMap.
+ */
+char* allocateMapValue(map* node, size_t num_bytes)
+{
+        if (node == NULL) {
+                return NULL;
+        }
+
+        if (node->value != NULL) {
+                free(node->value);
+        }
+        node->value = (char*) malloc(num_bytes);
+                
+        return node->value;
+}