From: Jonathan Dieter <jdieter@gmail.com>
Date: Tue, 10 Apr 2018 13:00:04 +0000 (+0300)
Subject: Add ability to get index based on file location
X-Git-Tag: archive/raspbian/1.1.9+ds1-1+rpi1~1^2~330
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=9507dd99c096281bbb2d080a2d22d2ffc61c7dd9;p=zchunk.git

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 04917d3..396c6c1 100644
--- 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;