db: compressed index file

1 files changed, 12 insertions, 0 deletions

diff --git a/src/io.c b/src/io.c
index 84b556b564..e4dfd33c6d 100644
--- a/src/io.c
+++ b/src/io.c
@@ -362,3 +362,15 @@ int apk_file_get_info(const char *filename, struct apk_file_info *fi)
 
 	return 0;
 }
+
+struct apk_istream *apk_istream_from_file_gz(const char *file)
+{
+	int fd;
+
+	fd = open(file, O_RDONLY);
+	if (fd < 0)
+		return NULL;
+
+	return apk_gunzip_bstream(apk_bstream_from_fd(fd));
+}
+