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*: use SWAP_BE64 instead of open-coding it

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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Denys Vlasenko 2010-10-18 11:39:47 +02:00
parent 06f719fd79
commit b102e12253
5 changed files with 11 additions and 13 deletions
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2
include/libbb.h
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@ -1540,7 +1540,7 @@ typedef struct md5_ctx_t {
uint32_t C;
uint32_t D;
uint64_t total64;
char wbuffer[64];
char wbuffer[64]; /* NB: always correctly aligned for uint64_t */
} md5_ctx_t;
#else
/* libbb/md5prime.c uses a bit different one: */

8
libbb/hash_md5.c
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@ -417,11 +417,9 @@ void FAST_FUNC md5_end(md5_ctx_t *ctx, void *resbuf)
if (remaining >= 8) {
/* Store the 64-bit counter of bits in the buffer in BE format */
uint64_t t = ctx->total64 << 3;
unsigned i;
for (i = 0; i < 8; i++) {
ctx->wbuffer[56 + i] = t;
t >>= 8;
}
t = SWAP_BE64(t);
/* wbuffer is suitably aligned for this */
*(uint64_t *) (&ctx->wbuffer[64 - 8]) = t;
}
md5_process_block64(ctx);
if (remaining >= 8)

10
libbb/hash_sha.c
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@ -52,10 +52,10 @@ static ALWAYS_INLINE uint64_t rotr64(uint64_t x, unsigned n)
return (x >> n) | (x << (64 - n));
}
#if BB_LITTLE_ENDIAN
/* ALWAYS_INLINE below would hurt code size, using plain inline: */
/* ALWAYS_INLINE below sometimes hurts code size, using plain inline: */
static inline uint64_t hton64(uint64_t v)
{
return (((uint64_t)htonl(v)) << 32) | htonl(v >> 32);
return SWAP_BE64(v);
}
#else
#define hton64(v) (v)
@ -76,7 +76,7 @@ static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx)
const uint32_t *words = (uint32_t*) ctx->wbuffer;
for (t = 0; t < 16; ++t)
W[t] = ntohl(words[t]);
W[t] = SWAP_BE32(words[t]);
for (/*t = 16*/; t < 80; ++t) {
uint32_t T = W[t - 3] ^ W[t - 8] ^ W[t - 14] ^ W[t - 16];
W[t] = rotl32(T, 1);
@ -198,7 +198,7 @@ static void FAST_FUNC sha256_process_block64(sha256_ctx_t *ctx)
/* Compute the message schedule according to FIPS 180-2:6.2.2 step 2. */
for (t = 0; t < 16; ++t)
W[t] = ntohl(words[t]);
W[t] = SWAP_BE32(words[t]);
for (/*t = 16*/; t < 64; ++t)
W[t] = R1(W[t - 2]) + W[t - 7] + R0(W[t - 15]) + W[t - 16];
@ -490,7 +490,7 @@ void FAST_FUNC sha1_end(sha1_ctx_t *ctx, void *resbuf)
if (BB_LITTLE_ENDIAN) {
unsigned i;
for (i = 0; i < bufpos; ++i)
ctx->hash[i] = htonl(ctx->hash[i]);
ctx->hash[i] = SWAP_BE32(ctx->hash[i]);
}
memcpy(resbuf, ctx->hash, sizeof(ctx->hash[0]) * bufpos);
}

2
networking/udhcp/dumpleases.c
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@ -9,7 +9,7 @@
#if BB_LITTLE_ENDIAN
static inline uint64_t hton64(uint64_t v)
{
return (((uint64_t)htonl(v)) << 32) | htonl(v >> 32);
return SWAP_BE64(v);
}
#else
#define hton64(v) (v)

2
networking/udhcp/files.c
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@ -14,7 +14,7 @@
#if BB_LITTLE_ENDIAN
static inline uint64_t hton64(uint64_t v)
{
return (((uint64_t)htonl(v)) << 32) | htonl(v >> 32);
return SWAP_BE64(v);
}
#else
#define hton64(v) (v)