From: Jonathan Dieter <jdieter@gmail.com>
Date: Mon, 3 Dec 2018 20:32:28 +0000 (+0000)
Subject: Make sure we initialize hash if it hasn't been initialized yet
X-Git-Tag: archive/raspbian/1.1.9+ds1-1+rpi1~1^2~64
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=17de9967808f0316a343f7a977ab7f7e59c9c164;p=zchunk.git

Make sure we initialize hash if it hasn't been initialized yet

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

diff --git a/src/lib/comp/comp.c b/src/lib/comp/comp.c
index 1a3ea55..cd23634 100644
--- a/src/lib/comp/comp.c
+++ b/src/lib/comp/comp.c
@@ -507,6 +507,10 @@ ssize_t comp_read(zckCtx *zck, char *dst, size_t dst_size, bool use_dict) {
             zck_log(ZCK_LOG_DDEBUG, "EOF");
             finished_rd = true;
         }
+        if(&(zck->check_chunk_hash) == NULL)
+            if(!hash_init(zck, &(zck->check_chunk_hash),
+                          &(zck->chunk_hash_type)))
+                goto hash_error;
         if(!hash_update(zck, &(zck->check_full_hash), src, rb) ||
            !hash_update(zck, &(zck->check_chunk_hash), src, rb) ||
            !comp_add_to_data(zck, &(zck->comp), src, rb))
@@ -709,6 +713,5 @@ ssize_t PUBLIC zck_get_chunk_data(zckChunk *idx, char *dst,
     if(!seek_data(zck, zck_get_chunk_start(idx), SEEK_SET))
         return -1;
     zck->comp.data_idx = idx;
-
     return comp_read(zck, dst, dst_size, 1);
 }