core: hash: Unmap file data after hashing

Signed-off-by: Chloe M. <chloe@aptel.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/core/hash.c b/core/hash.c
index 557e406..17a8fa3 100644
--- a/core/hash.c
+++ b/core/hash.c
@@ -50,5 +50,8 @@ bop_hash_file(const char *path, char hashres[BOP_HASH_LEN])
     for (i = 0; i < SHA256_DIGEST_LENGTH; ++i) {
         sprintf((char *)hashres + i*2, "%02X", hash[i]);
     }
+
+    munmap(mem, len);
+    close(fd);
     return 0;
 }