From 54e9b07699993144dc7812e3e3a7d729f51ad150 Mon Sep 17 00:00:00 2001 From: Carles Fernandez Date: Sat, 24 Aug 2019 11:07:10 +0200 Subject: [PATCH] Avoid Wformat-truncation warning --- src/algorithms/PVT/libs/rtcm.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/algorithms/PVT/libs/rtcm.h b/src/algorithms/PVT/libs/rtcm.h index 2cccef89d..0cbba9d07 100644 --- a/src/algorithms/PVT/libs/rtcm.h +++ b/src/algorithms/PVT/libs/rtcm.h @@ -594,7 +594,11 @@ private: inline void encode_header() { char header[header_length + 1] = ""; - std::snprintf(header, header_length + 1, "GS%4d", std::min(static_cast(body_length_), static_cast(max_body_length))); + int num_chars = std::snprintf(header, header_length + 1, "GS%4d", std::min(static_cast(body_length_), static_cast(max_body_length))); + if ((num_chars <= 0) or (num_chars > header_length)) + { + // avoid Wformat-truncation warning + } std::memcpy(data_, header, header_length); }