isl_basic_set_opt: avoid invalid access on error path

[platform/upstream/isl.git] / isl_mat_private.h

diff --git a/isl_mat_private.h b/isl_mat_private.h
index 95b41d1..f27f29a 100644 (file)
--- a/isl_mat_private.h
+++ b/isl_mat_private.h
@@ -19,9 +19,12 @@ struct isl_mat {
        struct isl_blk block;
 };
 
-struct isl_mat *isl_mat_sub_alloc(struct isl_ctx *ctx, isl_int **row,
+__isl_give isl_mat *isl_mat_sub_alloc(__isl_keep isl_mat *mat,
+       unsigned first_row, unsigned n_row, unsigned first_col, unsigned n_col);
+__isl_give isl_mat *isl_mat_sub_alloc6(isl_ctx *ctx, isl_int **row,
        unsigned first_row, unsigned n_row, unsigned first_col, unsigned n_col);
 void isl_mat_sub_copy(struct isl_ctx *ctx, isl_int **dst, isl_int **src,
        unsigned n_row, unsigned dst_col, unsigned src_col, unsigned n_col);
 void isl_mat_sub_neg(struct isl_ctx *ctx, isl_int **dst, isl_int **src,
        unsigned n_row, unsigned dst_col, unsigned src_col, unsigned n_col);
+__isl_give isl_mat *isl_mat_diag(isl_ctx *ctx, unsigned n_row, isl_int d);