md5.c: In function âMD5Finalâ: md5.c:156:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] md5.c:157:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
Signed-off-by: Marek Vasut <ma...@denx.de> Cc: Wolfgang Denk <w...@denx.de> --- include/u-boot/md5.h | 5 ++++- lib/md5.c | 4 ++-- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/include/u-boot/md5.h b/include/u-boot/md5.h index 08924cc..e09c16a 100644 --- a/include/u-boot/md5.h +++ b/include/u-boot/md5.h @@ -11,7 +11,10 @@ struct MD5Context { __u32 buf[4]; __u32 bits[2]; - unsigned char in[64]; + union { + unsigned char in[64]; + __u32 in32[16]; + }; }; /* diff --git a/lib/md5.c b/lib/md5.c index 81a09e3..2ae4a06 100644 --- a/lib/md5.c +++ b/lib/md5.c @@ -153,8 +153,8 @@ MD5Final(unsigned char digest[16], struct MD5Context *ctx) byteReverse(ctx->in, 14); /* Append length in bits and transform */ - ((__u32 *) ctx->in)[14] = ctx->bits[0]; - ((__u32 *) ctx->in)[15] = ctx->bits[1]; + ctx->in32[14] = ctx->bits[0]; + ctx->in32[15] = ctx->bits[1]; MD5Transform(ctx->buf, (__u32 *) ctx->in); byteReverse((unsigned char *) ctx->buf, 4); -- 1.7.10
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