doc: fix typo

[platform/upstream/isl.git] / isl_output.c

diff --git a/isl_output.c b/isl_output.c
index d685160..deeb243 100644 (file)
--- a/isl_output.c
+++ b/isl_output.c
@@ -25,6 +25,7 @@
 #include <isl_local_space_private.h>
 #include <isl_aff_private.h>
 #include <isl_ast_build_expr.h>
+#include <isl_sort.h>
 
 static const char *s_to[2] = { " -> ", " \\to " };
 static const char *s_and[2] = { " and ", " \\wedge " };
@@ -738,7 +739,7 @@ error:
        return NULL;
 }
 
-static int aff_split_cmp(const void *p1, const void *p2)
+static int aff_split_cmp(const void *p1, const void *p2, void *user)
 {
        const struct isl_aff_split *s1, *s2;
        s1 = (const struct isl_aff_split *) p1;
@@ -800,7 +801,9 @@ static __isl_give struct isl_aff_split *split_aff(__isl_keep isl_map *map)
                        goto error;
        }
 
-       qsort(split, map->n, sizeof(struct isl_aff_split), &aff_split_cmp);
+       if (isl_sort(split, map->n, sizeof(struct isl_aff_split),
+                       &aff_split_cmp, NULL) < 0)
+               goto error;
 
        n = map->n;
        for (i = n - 1; i >= 1; --i) {
@@ -1361,6 +1364,8 @@ static __isl_give isl_printer *print_qpolynomial_c(__isl_take isl_printer *p,
        }
        if (qp)
                p = upoly_print(qp->upoly, dim, qp->div, p, 0);
+       else
+               p = isl_printer_free(p);
        if (!isl_int_is_one(den)) {
                p = isl_printer_print_str(p, ")/");
                p = isl_printer_print_isl_int(p, den);
@@ -1680,6 +1685,9 @@ static __isl_give isl_printer *print_set_c(__isl_take isl_printer *p,
 {
        int i;
 
+       if (!set)
+               return isl_printer_free(p);
+
        if (set->n == 0)
                p = isl_printer_print_str(p, "0");