Return-Path: From: Claudio Takahasi To: linux-bluetooth@vger.kernel.org Cc: Claudio Takahasi Subject: [PATCH BlueZ v0 02/62] shared: Add get_le16() Date: Thu, 20 Mar 2014 11:42:27 -0300 Message-Id: <1395326607-27068-3-git-send-email-claudio.takahasi@openbossa.org> In-Reply-To: <1395326607-27068-1-git-send-email-claudio.takahasi@openbossa.org> References: <1395326607-27068-1-git-send-email-claudio.takahasi@openbossa.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Add helper to avoid possible unaligned memory access when handling uint16 value using little-endian representation. --- src/shared/util.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/shared/util.h b/src/shared/util.h index a129272..ef845ae 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -101,6 +101,11 @@ static inline void bswap_128(const void *src, void *dst) d[15 - i] = s[i]; } +static inline uint16_t get_le16(const void *ptr) +{ + return le16_to_cpu(get_unaligned((const uint16_t *) ptr)); +} + static inline void put_le16(uint16_t val, void *dst) { put_unaligned(cpu_to_le16(val), (uint16_t *) dst); -- 1.8.3.1