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Use union to avoid casts in code to store results of hashsum computations

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This commit is contained in:
Ulrich Drepper
2011-07-19 16:53:43 -04:00
parent e0e7228480
commit 7dc6bd90c5
7 changed files with 47 additions and 23 deletions
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10
crypt/sha256.c
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@ -222,13 +222,11 @@ __sha256_finish_ctx (ctx, resbuf)
/* Put the 64-bit file length in *bits* at the end of the buffer. */
#ifdef _STRING_ARCH_unaligned
*(uint64_t *) &ctx->buffer[bytes + pad] = SWAP64 (ctx->total64 << 3);
ctx->buffer64[(bytes + pad) / 8] = SWAP64 (ctx->total64 << 3);
#else
*(uint32_t *) &ctx->buffer[bytes + pad + 4]
= SWAP (ctx->total[TOTAL64_low] << 3);
*(uint32_t *) &ctx->buffer[bytes + pad]
= SWAP ((ctx->total[TOTAL64_high] << 3) |
(ctx->total[TOTAL64_low] >> 29));
ctx->buffer32[(bytes + pad + 4) / 4] = SWAP (ctx->total[TOTAL64_low] << 3);
ctx->buffer32[(bytes + pad) / 4] = SWAP ((ctx->total[TOTAL64_high] << 3) |
(ctx->total[TOTAL64_low] >> 29));
#endif
/* Process last bytes. */