Add ability to get index based on file location

Signed-off-by: Jonathan Dieter <jdieter@gmail.com>

diff --git a/src/lib/index/index_common.c b/src/lib/index/index_common.c
index 04917d366e2ece53c749a346285dd15897397287..396c6c1a3c32ed90d988d3f2bf2bf98872264159 100644 (file)
--- a/src/lib/index/index_common.c
+++ b/src/lib/index/index_common.c
@@ -31,6 +31,18 @@
 
 #include "zck_private.h"
 
+zckIndexItem *zck_get_index_of_loc(zckIndex *index, size_t loc) {
+    zckIndexItem *idx = index->first;
+    while(idx != NULL) {
+        if(loc >= idx->start && loc < idx->start + idx->comp_length)
+            return idx;
+        idx = idx->next;
+    }
+    zck_log(ZCK_LOG_ERROR, "Unable to find index that contains position %lu\n",
+            loc);
+    return NULL;
+}
+
 void zck_index_free_item(zckIndexItem **item) {
     if(*item == NULL)
         return;