From 324004f7b370d6982035ad911b0ce0c5eb1afc8c Mon Sep 17 00:00:00 2001 From: Ivan Grokhotkov Date: Tue, 28 Aug 2018 12:23:27 +0800 Subject: [PATCH] spiffs: test: check for truncation in snprintf call --- components/spiffs/test/test_spiffs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/components/spiffs/test/test_spiffs.c b/components/spiffs/test/test_spiffs.c index 60bca410bd..cb2164ac1f 100644 --- a/components/spiffs/test/test_spiffs.c +++ b/components/spiffs/test/test_spiffs.c @@ -291,7 +291,8 @@ void test_spiffs_readdir_many_files(const char* dir_prefix) if (!de) { break; } - snprintf(file_name, sizeof(file_name), "%s/%s", dir_prefix, de->d_name); + int len = snprintf(file_name, sizeof(file_name), "%s/%s", dir_prefix, de->d_name); + assert(len < sizeof(file_name)); unlink(file_name); } }