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Included patch for persistent undo. Lots of changes and added test.

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This commit is contained in:
Bram Moolenaar
2010-05-23 23:34:36 +02:00
parent c39125d7c4
commit 55debbe384
34 changed files with 1232 additions and 97 deletions
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27
src/sha256.c
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@@ -20,18 +20,9 @@
#include "vim.h"
#ifdef FEAT_CRYPT
#if defined(FEAT_CRYPT) || defined(FEAT_PERSISTENT_UNDO)
typedef struct {
UINT32_T total[2];
UINT32_T state[8];
char_u buffer[64];
} context_sha256_T;
static void sha256_starts __ARGS((context_sha256_T *ctx));
static void sha256_process __ARGS((context_sha256_T *ctx, char_u data[64]));
static void sha256_update __ARGS((context_sha256_T *ctx, char_u *input, UINT32_T length));
static void sha256_finish __ARGS((context_sha256_T *ctx, char_u digest[32]));
static char_u *sha256_bytes __ARGS((char_u *buf, int buflen));
static unsigned int get_some_time __ARGS((void));
@@ -52,8 +43,8 @@ static unsigned int get_some_time __ARGS((void));
(b)[(i) + 3] = (char_u)((n) ); \
}
static void
sha256_starts(ctx)
void
sha256_start(ctx)
context_sha256_T *ctx;
{
ctx->total[0] = 0;
@@ -203,7 +194,7 @@ sha256_process(ctx, data)
ctx->state[7] += H;
}
static void
void
sha256_update(ctx, input, length)
context_sha256_T *ctx;
char_u *input;
@@ -250,7 +241,7 @@ static char_u sha256_padding[64] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
static void
void
sha256_finish(ctx, digest)
context_sha256_T *ctx;
char_u digest[32];
@@ -296,7 +287,7 @@ sha256_bytes(buf, buflen)
sha256_self_test();
sha256_starts(&ctx);
sha256_start(&ctx);
sha256_update(&ctx, buf, buflen);
sha256_finish(&ctx, sha256sum);
for (j = 0; j < 32; j++)
@@ -368,7 +359,7 @@ sha256_self_test()
}
else
{
sha256_starts(&ctx);
sha256_start(&ctx);
memset(buf, 'a', 1000);
for (j = 0; j < 1000; j++)
sha256_update(&ctx, (char_u *)buf, 1000);
@@ -416,7 +407,7 @@ sha2_seed(header, header_len)
for (i = 0; i < (int)sizeof(random_data) - 1; i++)
random_data[i] = (char_u)((get_some_time() ^ rand()) & 0xff);
sha256_starts(&ctx);
sha256_start(&ctx);
sha256_update(&ctx, (char_u *)random_data, sizeof(random_data));
sha256_finish(&ctx, sha256sum);
@@ -424,4 +415,4 @@ sha2_seed(header, header_len)
header[i] = sha256sum[i % sizeof(sha256sum)];
}
#endif /* FEAT_CRYPT */
#endif /* FEAT_CRYPT || FEAT_PERSISTENT_UNDO */