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Add the SQLITE_FCNTL_TEMPFILENAME file control that asks the underlying VFS

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to return a new temporary filename.  Per request from NSS team at Mozilla.

FossilOrigin-Name: 1a63b1d5fa5d79f96eddbda6d94bc10248863710
This commit is contained in:
drh
2012-12-06 19:01:42 +00:00
parent 48dd9deffe
commit 696b33e622
9 changed files with 90 additions and 17 deletions
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11
src/os_unix.c
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@@ -3581,6 +3581,9 @@ static void unixModeBit(unixFile *pFile, unsigned char mask, int *pArg){
}
}
/* Forward declaration */
static int unixGetTempname(int nBuf, char *zBuf);
/*
** Information and control of an open file handle.
*/
@@ -3618,6 +3621,14 @@ static int unixFileControl(sqlite3_file *id, int op, void *pArg){
*(char**)pArg = sqlite3_mprintf("%s", pFile->pVfs->zName);
return SQLITE_OK;
}
case SQLITE_FCNTL_TEMPFILENAME: {
char *zTFile = sqlite3_malloc( pFile->pVfs->mxPathname );
if( zTFile ){
unixGetTempname(pFile->pVfs->mxPathname, zTFile);
*(char**)pArg = zTFile;
}
return SQLITE_OK;
}
#ifdef SQLITE_DEBUG
/* The pager calls this method to signal that it has done
** a rollback and that the database is therefore unchanged and