From afd1ad6f68680c0f0a4afad7c67ddc8652948732 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Mon, 4 Mar 2019 01:06:05 +0100 Subject: segtree: fix crash when debug mode is active MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We must set output_fp to sensible filep, else crash. Reported-by: Václav Zindulka Signed-off-by: Florian Westphal --- src/segtree.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/segtree.c b/src/segtree.c index e5dfd413..e3a2f48c 100644 --- a/src/segtree.c +++ b/src/segtree.c @@ -9,6 +9,7 @@ */ #include +#include #include #include @@ -67,8 +68,6 @@ struct elementary_interval { struct expr *expr; }; -static struct output_ctx debug_octx = {}; - static void seg_tree_init(struct seg_tree *tree, const struct set *set, struct expr *init, unsigned int debug_mask) { @@ -570,6 +569,7 @@ int set_to_intervals(struct list_head *errs, struct set *set, bool merge) { struct elementary_interval *ei, *next; + struct output_ctx debug_octx; struct seg_tree tree; LIST_HEAD(list); @@ -590,6 +590,9 @@ int set_to_intervals(struct list_head *errs, struct set *set, } if (segtree_debug(tree.debug_mask)) { + memset(&debug_octx, 0, sizeof(debug_octx)); + debug_octx.output_fp = stderr; + debug_octx.error_fp = stderr; expr_print(init, &debug_octx); pr_gmp_debug("\n"); } -- cgit v1.2.3