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Handle very large URI pathnames for in-memory shared-cache databases.

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FossilOrigin-Name: 586a94e85bc13700a2093734711c1367fa814b8c
This commit is contained in:
drh
2015-03-31 16:33:08 +00:00
parent 1cc0d11a16
commit 6b5f0ebe97
4 changed files with 24 additions and 10 deletions
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6
src/btree.c
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@@ -1959,16 +1959,18 @@ int sqlite3BtreeOpen(
*/
if( isTempDb==0 && (isMemdb==0 || (vfsFlags&SQLITE_OPEN_URI)!=0) ){
if( vfsFlags & SQLITE_OPEN_SHAREDCACHE ){
int nFilename = sqlite3Strlen30(zFilename)+1;
int nFullPathname = pVfs->mxPathname+1;
char *zFullPathname = sqlite3Malloc(nFullPathname);
char *zFullPathname = sqlite3Malloc(MAX(nFullPathname,nFilename));
MUTEX_LOGIC( sqlite3_mutex *mutexShared; )
p->sharable = 1;
if( !zFullPathname ){
sqlite3_free(p);
return SQLITE_NOMEM;
}
if( isMemdb ){
memcpy(zFullPathname, zFilename, sqlite3Strlen30(zFilename)+1);
memcpy(zFullPathname, zFilename, nFilename);
}else{
rc = sqlite3OsFullPathname(pVfs, zFilename,
nFullPathname, zFullPathname);