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Resolve one unconstify use 

A small API change makes it unnecessary.

Reported-by: Mark Dilger <hornschnorter@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/53a28052-f9f3-1808-fed9-460fd43035ab%402ndquadrant.com
This commit is contained in:
Peter Eisentraut 2019-02-14 17:00:25 +01:00
parent 49fa99e54e
commit 4b3b07fd5d
1 changed files with 4 additions and 4 deletions
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8
contrib/pgcrypto/md5.c
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@ -132,7 +132,7 @@ static const uint8 md5_paddat[MD5_BUFLEN] = {
0, 0, 0, 0, 0, 0, 0, 0,
};
static void md5_calc(uint8 *, md5_ctxt *);
static void md5_calc(const uint8 *, md5_ctxt *);
void
md5_init(md5_ctxt *ctxt)
@ -161,7 +161,7 @@ md5_loop(md5_ctxt *ctxt, const uint8 *input, unsigned len)
md5_calc(ctxt->md5_buf, ctxt);
for (i = gap; i + MD5_BUFLEN <= len; i += MD5_BUFLEN)
md5_calc(unconstify(uint8 *, (input + i)), ctxt);
md5_calc(input + i, ctxt);
ctxt->md5_i = len - i;
memmove(ctxt->md5_buf, input + i, ctxt->md5_i);
@ -242,7 +242,7 @@ static uint32 X[16];
#endif
static void
md5_calc(uint8 *b64, md5_ctxt *ctxt)
md5_calc(const uint8 *b64, md5_ctxt *ctxt)
{
uint32 A = ctxt->md5_sta;
uint32 B = ctxt->md5_stb;
@ -250,7 +250,7 @@ md5_calc(uint8 *b64, md5_ctxt *ctxt)
uint32 D = ctxt->md5_std;
#ifndef WORDS_BIGENDIAN
uint32 *X = (uint32 *) b64;
const uint32 *X = (const uint32 *) b64;
#else
/* 4 byte words */
/* what a brute force but fast! */