Embedded code-base updated to actual version from uLan repository.

[lincan.git] / embedded / libs4c / keyval / keyval_mem_store.c

diff --git a/embedded/libs4c/keyval/keyval_mem_store.c b/embedded/libs4c/keyval/keyval_mem_store.c
new file mode 100644 (file)
index 0000000..b32e4df
--- /dev/null
+++ b/embedded/libs4c/keyval/keyval_mem_store.c
@@ -0,0 +1,63 @@
+/******************************************************************************/
+/* Key Value block in RAM */
+
+#include <malloc.h>
+#include <string.h>
+#include <keyvalpb.h>
+#include <keyval_mem_store.h>
+
+int kvpb_mem_erase(kvpb_block_t *store, void *base,int size)
+{
+  memset(base,0xff,size);
+  return 0;
+}
+
+int kvpb_mem_copy(kvpb_block_t *store, void *dst,const void *src,int len)
+{
+  memcpy(dst,src,len);
+  return 0;
+}
+
+#ifndef  KVPB_MINIMALIZED
+kvpb_block_t *kvpb_store_create_ram(int size)
+{
+  kvpb_block_t *store;
+  int res;
+
+  if(!size)
+    size=0x4000;
+
+  store = malloc(sizeof(*store));
+  if(store == NULL)
+    return NULL;
+
+  memset(store, 0, sizeof(*store));
+
+  store->base = malloc(size*2);
+  if(store->base == NULL)
+    goto error_ret;
+
+  store->size = size;
+  store->flags = KVPB_DESC_DOUBLE;
+ #ifndef  KVPB_MINIMALIZED
+  store->erase = kvpb_mem_erase,
+  store->copy = kvpb_mem_copy;
+ #endif  /* KVPB_MINIMALIZED */
+
+  kvpb_block_erase(store, store->base,store->size);
+  if(store->flags & KVPB_DESC_DOUBLE)
+    kvpb_block_erase(store, (uint8_t*)store->base+store->size,store->size);
+
+  res=kvpb_check(store,3);
+
+  if(res<0)
+    goto error_ret;
+
+  return store;
+
+ error_ret:
+  if(store)
+    free(store);
+  return NULL;
+}
+#endif  /* KVPB_MINIMALIZED */