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Add interfaces sqlite3_uri_boolean() and sqlite3_uri_int64() which are

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wrappers around sqlite3_uri_parameter() combined with internal routines for
converting strings to booleans and 64-bit integers.

FossilOrigin-Name: 83d26b9a9115eadac9e59a33d608bca0ab2519e3
This commit is contained in:
drh
2011-12-23 00:07:33 +00:00
parent 64803bd2fa
commit 9291372094
7 changed files with 70 additions and 49 deletions
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28
src/test_multiplex.c
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@@ -495,35 +495,19 @@ static int multiplexOpen(
memset(pGroup, 0, sz);
pMultiplexOpen->pGroup = pGroup;
pGroup->bEnabled = -1;
pGroup->bTruncate = (flags & SQLITE_OPEN_MAIN_DB)==0;
pGroup->szChunk = SQLITE_MULTIPLEX_CHUNK_SIZE;
pGroup->bTruncate = sqlite3_uri_boolean(zName, "truncate",
(flags & SQLITE_OPEN_MAIN_DB)==0);
pGroup->szChunk = sqlite3_uri_int64(zName, "chunksize",
SQLITE_MULTIPLEX_CHUNK_SIZE);
pGroup->szChunk = (pGroup->szChunk+0xffff)&~0xffff;
if( zName ){
char *p = (char *)&pGroup[1];
if( flags & SQLITE_OPEN_URI ){
const char *zChunkSize;
zChunkSize = sqlite3_uri_parameter(zName, "chunksize");
if( zChunkSize ){
unsigned int n = 0;
int i;
for(i=0; zChunkSize[i]>='0' && zChunkSize[i]<='9'; i++){
n = n*10 + zChunkSize[i] - '0';
}
if( n>0 ){
pGroup->szChunk = (n+0xffff)&~0xffff;
}else{
/* A zero or negative chunksize disabled the multiplexor */
pGroup->bEnabled = 0;
}
}
if( sqlite3_uri_parameter(zName, "truncate") ) pGroup->bTruncate = 1;
}
pGroup->zName = p;
memcpy(pGroup->zName, zName, nName+1);
pGroup->nName = nName;
}
if( pGroup->bEnabled ){
/* Make sure that the chunksize is not such that the pending byte
/* Make sure that the chunksize is such that the pending byte does not
** falls at the end of a chunk. A region of up to 64K following
** the pending byte is never written, so if the pending byte occurs
** near the end of a chunk, that chunk will be too small. */