fix parameter alignment when alignee has zero parameters

The number of parameters was passed as an unsigned integer and
later decremented, leading to an allocation request for a huge
amount of memory.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>

diff --git a/isl_reordering.c b/isl_reordering.c
index 63df9e7..94a1832 100644 (file)
--- a/isl_reordering.c
+++ b/isl_reordering.c
@@ -11,7 +11,7 @@
 #include <isl_dim_private.h>
 #include <isl_reordering.h>
 
-__isl_give isl_reordering *isl_reordering_alloc(isl_ctx *ctx, unsigned len)
+__isl_give isl_reordering *isl_reordering_alloc(isl_ctx *ctx, int len)
 {
        isl_reordering *exp;