database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-07-29 08:01:23 +03:00
Code Activity

Enhancements to sqlite_dbpage() so that it accepts INSERT statements that can

Browse Source 
extend or truncate the database.  Add the sqlite3-rsync utility program that
make a copy of a live database over SSH.

FossilOrigin-Name: b7a8ce4c8c5fc6a3b4744d412d96f99d2452eb4086ad84472511da3b4d6afec6
This commit is contained in:
drh
2024-09-14 16:39:02 +00:00
parent 99f50dd219 3d56d59adc
commit dbff02abc5
9 changed files with 1985 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
ext/misc/sha1.c
View File

@ -196,7 +196,8 @@ static void hash_step_vformat(
** zOut[]. zOut[] must be at least 41 bytes long. */
static void hash_finish(
SHA1Context *p, /* The SHA1 context to finish and render */
char *zOut /* Store hexadecimal hash here */
char *zOut, /* Store hex or binary hash here */
int bAsBinary /* 1 for binary hash, 0 for hex hash */
){
unsigned int i;
unsigned char finalcount[8];
@ -215,11 +216,15 @@ static void hash_finish(
for (i = 0; i < 20; i++){
digest[i] = (unsigned char)((p->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
}
for(i=0; i<20; i++){
zOut[i*2] = zEncode[(digest[i]>>4)&0xf];
zOut[i*2+1] = zEncode[digest[i] & 0xf];
if( bAsBinary ){
memcpy(zOut, digest, 20);
}else{
for(i=0; i<20; i++){
zOut[i*2] = zEncode[(digest[i]>>4)&0xf];
zOut[i*2+1] = zEncode[digest[i] & 0xf];
}
zOut[i*2]= 0;
}
zOut[i*2]= 0;
}
/* End of the hashing logic
*****************************************************************************/
@ -251,8 +256,13 @@ static void sha1Func(
}else{
hash_step(&cx, sqlite3_value_text(argv[0]), nByte);
}
hash_finish(&cx, zOut);
sqlite3_result_text(context, zOut, 40, SQLITE_TRANSIENT);
if( sqlite3_user_data(context)!=0 ){
hash_finish(&cx, zOut, 1);
sqlite3_result_blob(context, zOut, 20, SQLITE_TRANSIENT);
}else{
hash_finish(&cx, zOut, 0);
sqlite3_result_blob(context, zOut, 40, SQLITE_TRANSIENT);
}
}
/*
@ -365,7 +375,7 @@ static void sha1QueryFunc(
}
sqlite3_finalize(pStmt);
}
hash_finish(&cx, zOut);
hash_finish(&cx, zOut, 0);
sqlite3_result_text(context, zOut, 40, SQLITE_TRANSIENT);
}
@ -379,11 +389,17 @@ int sqlite3_sha_init(
const sqlite3_api_routines *pApi
){
int rc = SQLITE_OK;
static int one = 1;
SQLITE_EXTENSION_INIT2(pApi);
(void)pzErrMsg; /* Unused parameter */
rc = sqlite3_create_function(db, "sha1", 1,
SQLITE_UTF8 | SQLITE_INNOCUOUS | SQLITE_DETERMINISTIC,
0, sha1Func, 0, 0);
0, sha1Func, 0, 0);
if( rc==SQLITE_OK ){
rc = sqlite3_create_function(db, "sha1b", 1,
SQLITE_UTF8 | SQLITE_INNOCUOUS | SQLITE_DETERMINISTIC,
(void*)&one, sha1Func, 0, 0);
}
if( rc==SQLITE_OK ){
rc = sqlite3_create_function(db, "sha1_query", 1,
SQLITE_UTF8|SQLITE_DIRECTONLY, 0,