grn_pat: fix a bug of grn_pat_delete()

Note that this is a quick-fix approach. GitHub: #420
groonga · Oct 19, 2015 · 14e634a · 14e634a
1 parent f4bf9bd
commit 14e634a
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/pat.c b/lib/pat.c
@@ -1099,6 +1099,11 @@ _grn_pat_del(grn_ctx *ctx, grn_pat *pat, const char *key, uint32_t key_size, int
   uint32_t len = key_size * 16;
   grn_id r, otherside, *proot, *p, *p0 = NULL;
 
+  /* FIXME: This is a quick-fix approach. */
+  if (_grn_pat_get(ctx, pat, key, key_size, NULL) == GRN_ID_NIL) {
+    return GRN_INVALID_ARGUMENT;
+  }
+
   /* delinfo_new() must be called before searching for rn. */
   di = delinfo_new(ctx, pat);
   di->shared = shared;