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Replace bcopy by memmove for more portability.

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This commit is contained in:
Tom Lane
2004-08-29 16:43:05 +00:00
parent 0ffe11abd3
commit b83e592671
2 changed files with 15 additions and 20 deletions
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27
contrib/pgcrypto/md5.c
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@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/contrib/pgcrypto/md5.c,v 1.11 2004/05/07 00:24:57 tgl Exp $ */
/* $PostgreSQL: pgsql/contrib/pgcrypto/md5.c,v 1.12 2004/08/29 16:43:05 tgl Exp $ */
/* $KAME: md5.c,v 1.3 2000/02/22 14:01:17 itojun Exp $ */
/*
@ -155,20 +155,18 @@ md5_loop(md5_ctxt * ctxt, const uint8 *input, unsigned len)
if (len >= gap)
{
bcopy((void *) input, (void *) (ctxt->md5_buf + ctxt->md5_i),
gap);
memmove(ctxt->md5_buf + ctxt->md5_i, input, gap);
md5_calc(ctxt->md5_buf, ctxt);
for (i = gap; i + MD5_BUFLEN <= len; i += MD5_BUFLEN)
md5_calc((uint8 *) (input + i), ctxt);
ctxt->md5_i = len - i;
bcopy((void *) (input + i), (void *) ctxt->md5_buf, ctxt->md5_i);
memmove(ctxt->md5_buf, input + i, ctxt->md5_i);
}
else
{
bcopy((void *) input, (void *) (ctxt->md5_buf + ctxt->md5_i),
len);
memmove(ctxt->md5_buf + ctxt->md5_i, input, len);
ctxt->md5_i += len;
}
}
@ -182,24 +180,21 @@ md5_pad(md5_ctxt * ctxt)
gap = MD5_BUFLEN - ctxt->md5_i;
if (gap > 8)
{
bcopy((void *) md5_paddat,
(void *) (ctxt->md5_buf + ctxt->md5_i),
gap - sizeof(ctxt->md5_n));
memmove(ctxt->md5_buf + ctxt->md5_i, md5_paddat,
gap - sizeof(ctxt->md5_n));
}
else
{
/* including gap == 8 */
bcopy((void *) md5_paddat, (void *) (ctxt->md5_buf + ctxt->md5_i),
gap);
memmove(ctxt->md5_buf + ctxt->md5_i, md5_paddat, gap);
md5_calc(ctxt->md5_buf, ctxt);
bcopy((void *) (md5_paddat + gap),
(void *) ctxt->md5_buf,
MD5_BUFLEN - sizeof(ctxt->md5_n));
memmove(ctxt->md5_buf, md5_paddat + gap,
MD5_BUFLEN - sizeof(ctxt->md5_n));
}
/* 8 byte word */
#if BYTE_ORDER == LITTLE_ENDIAN
bcopy(&ctxt->md5_n8[0], &ctxt->md5_buf[56], 8);
memmove(&ctxt->md5_buf[56], &ctxt->md5_n8[0], 8);
#endif
#if BYTE_ORDER == BIG_ENDIAN
ctxt->md5_buf[56] = ctxt->md5_n8[7];
@ -220,7 +215,7 @@ md5_result(uint8 *digest, md5_ctxt * ctxt)
{
/* 4 byte words */
#if BYTE_ORDER == LITTLE_ENDIAN
bcopy(&ctxt->md5_st8[0], digest, 16);
memmove(digest, &ctxt->md5_st8[0], 16);
#endif
#if BYTE_ORDER == BIG_ENDIAN
digest[0] = ctxt->md5_st8[3];