regex: port to hosts where malloc (0) == NULL

[gnulib.git] / lib / regex_internal.c

diff --git a/lib/regex_internal.c b/lib/regex_internal.c
index 62b029d..cac0190 100644 (file)
--- a/lib/regex_internal.c
+++ b/lib/regex_internal.c
@@ -974,7 +974,7 @@ re_node_set_alloc (re_node_set *set, Idx size)
   set->alloc = size;
   set->nelem = 0;
   set->elems = re_malloc (Idx, size);
-  if (BE (set->elems == NULL, 0))
+  if (BE (set->elems == NULL, 0) && (MALLOC_0_IS_NONNULL || size != 0))
     return REG_ESPACE;
   return REG_NOERROR;
 }