From 1f8fe502967c41a811c50c9f07454239665047f8 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Sun, 30 Oct 2011 14:17:09 -0500 Subject: * apt-pkg/contrib/sha2_internal.cc: - use a pointer-union to peace gcc strict-aliasing warning --- apt-pkg/contrib/sha2_internal.cc | 16 +++++++++++++--- debian/changelog | 4 +++- 2 files changed, 16 insertions(+), 4 deletions(-) diff --git a/apt-pkg/contrib/sha2_internal.cc b/apt-pkg/contrib/sha2_internal.cc index ff995cdf2..6d27e8f2b 100644 --- a/apt-pkg/contrib/sha2_internal.cc +++ b/apt-pkg/contrib/sha2_internal.cc @@ -605,7 +605,12 @@ void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) { *context->buffer = 0x80; } /* Set the bit count: */ - *(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount; + union { + sha2_byte* c; + sha2_word64* l; + } bitcount; + bitcount.c = &context->buffer[SHA256_SHORT_BLOCK_LENGTH]; + *(bitcount.l) = context->bitcount; /* Final transform: */ SHA256_Transform(context, (sha2_word32*)context->buffer); @@ -922,8 +927,13 @@ static void SHA512_Last(SHA512_CTX* context) { *context->buffer = 0x80; } /* Store the length of input data (in bits): */ - *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1]; - *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0]; + union { + sha2_byte* c; + sha2_word64* l; + } bitcount; + bitcount.c = &context->buffer[SHA512_SHORT_BLOCK_LENGTH]; + bitcount.l[0] = context->bitcount[1]; + bitcount.l[1] = context->bitcount[0]; /* Final transform: */ SHA512_Transform(context, (sha2_word64*)context->buffer); diff --git a/debian/changelog b/debian/changelog index 406f1e8a4..03e5116a6 100644 --- a/debian/changelog +++ b/debian/changelog @@ -4,8 +4,10 @@ apt (0.8.16~exp8) experimental; urgency=low * apt-pkg/packagemanager.cc: - do not fail on unpacked packages in SmartUnPack, just don't shedule them for unpack, but do all checks and configure them + * apt-pkg/contrib/sha2_internal.cc: + - use a pointer-union to peace gcc strict-aliasing warning - -- David Kalnischkies Mon, 17 Oct 2011 11:21:21 +0200 + -- David Kalnischkies Sun, 30 Oct 2011 14:15:53 -0500 apt (0.8.16~exp7) experimental; urgency=low -- cgit v1.2.3