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-rw-r--r--lib/hashtable.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/hashtable.c b/lib/hashtable.c
index 6050dd0..4cdbc95 100644
--- a/lib/hashtable.c
+++ b/lib/hashtable.c
@@ -901,6 +901,12 @@ int himport_r(struct hsearch_data *htab,
*sp++ = '\0'; /* terminate value */
++dp;
+ if (*name == 0) {
+ debug("INSERT: unable to use an empty key\n");
+ __set_errno(EINVAL);
+ return 0;
+ }
+
/* Skip variables which are not supposed to be processed */
if (!drop_var_from_set(name, nvars, localvars))
continue;