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From 2d38a12d686a5156d4e7afb1fed7851805590582 Mon Sep 17 00:00:00 2001
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From: W-Mark Kubacki <wmark@hurrikane.de>
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Date: Fri, 19 Aug 2016 19:50:39 +0200
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Subject: [PATCH] Skip printing at MAX_DEPTH and deeper
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This addresses #1136, and mitigates a stack exhaustion when printing
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a very deeply nested term.
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---
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src/jv_print.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/src/jv_print.c b/src/jv_print.c
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index 5f4f234..cf6651b 100644
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--- src/jv_print.c
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+++ src/jv_print.c
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@@ -13,6 +13,10 @@
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#include "jv_dtoa.h"
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#include "jv_unicode.h"
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+#ifndef MAX_DEPTH
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+#define MAX_DEPTH 256
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+#endif
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+
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#define ESC "\033"
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#define COL(c) (ESC "[" c "m")
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#define COLRESET (ESC "[0m")
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@@ -150,7 +154,9 @@ static void jv_dump_term(struct dtoa_context* C, jv x, int flags, int indent, FI
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}
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}
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}
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- switch (jv_get_kind(x)) {
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+ if (indent > MAX_DEPTH) {
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+ put_str("<stripped: exceeds max depth>", F, S, flags & JV_PRINT_ISATTY);
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+ } else switch (jv_get_kind(x)) {
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default:
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case JV_KIND_INVALID:
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if (flags & JV_PRINT_INVALID) {
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