From b42ed9c6185362e6153597160c494631938cfb5c Mon Sep 17 00:00:00 2001
From: CK Tan <cktan@vitessedata.com>
Date: Sat, 18 Nov 2017 11:57:45 -0800
Subject: [PATCH] libtomlc99: fix segfaulting test

Pulled from cktan/tomlc99@01ecb88d1.

This fixes cktan/tomlc99#3: bad input file causes segfault.
---
 src/libtomlc99/toml.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libtomlc99/toml.c b/src/libtomlc99/toml.c
index 0e00a83affca..669d6d218c77 100644
--- a/src/libtomlc99/toml.c
+++ b/src/libtomlc99/toml.c
@@ -1140,6 +1140,10 @@ static void parse_select(context_t* ctx)
 	/* [[x.y.z]] -> create z = [] in x.y */
 	toml_array_t* arr = create_keyarray_in_table(ctx, ctx->curtab, z,
 						     1 /*skip_if_exist*/);
+        if (!arr) {
+            e_syntax_error(ctx, z.lineno, "key exists");
+            return;
+        }
 	if (arr->kind == 0) arr->kind = 't';
 	if (arr->kind != 't') {
             e_syntax_error(ctx, z.lineno, "array mismatch");