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authorDavid Kalnischkies <kalnischkies@gmail.com>2011-10-30 14:17:09 -0500
committerDavid Kalnischkies <kalnischkies@gmail.com>2011-10-30 14:17:09 -0500
commit1f8fe502967c41a811c50c9f07454239665047f8 (patch)
treef13cb2cf614d39cada64ab7114426d7ebb7733e0 /apt-pkg
parent89d88ac3ef3f82fdfeac6d8d231deddeeb0f02e9 (diff)
* apt-pkg/contrib/sha2_internal.cc:
- use a pointer-union to peace gcc strict-aliasing warning
Diffstat (limited to 'apt-pkg')
-rw-r--r--apt-pkg/contrib/sha2_internal.cc16
1 files changed, 13 insertions, 3 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);