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-rw-r--r--URPM.xs4
1 files changed, 2 insertions, 2 deletions
diff --git a/URPM.xs b/URPM.xs
index 281c729..13fa296 100644
--- a/URPM.xs
+++ b/URPM.xs
@@ -2815,7 +2815,7 @@ Pkg_set_rflags(pkg, ...)
MODULE = URPM PACKAGE = URPM::DB PREFIX = Db_
URPM::DB
-Db_open(prefix="", write_perm=0)
+Db_open(prefix=NULL, write_perm=0)
char *prefix
int write_perm
PREINIT:
@@ -2825,7 +2825,7 @@ Db_open(prefix="", write_perm=0)
db = malloc(sizeof(struct s_Transaction));
db->count = 1;
db->ts = rpmtsCreate();
- rpmtsSetRootDir(db->ts, prefix);
+ rpmtsSetRootDir(db->ts, prefix && prefix[0] ? prefix : NULL);
if (rpmtsOpenDB(db->ts, write_perm ? O_RDWR | O_CREAT : O_RDONLY) == 0) {
RETVAL = db;
} else {