/*
** Usage: page_lookup ID PGNO
**
** Return a pointer to a page if the page is already in cache.
** If not in cache, return an empty string.
*/
static int page_lookup(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Pager *pPager;
char zBuf[100];
DbPage *pPage;
int pgno;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID PGNO\"", 0);
return TCL_ERROR;
}
pPager = sqlite3TestTextToPtr(argv[1]);
if( Tcl_GetInt(interp, argv[2], &pgno) ) return TCL_ERROR;
pPage = sqlite3PagerLookup(pPager, pgno);
if( pPage ){
sqlite3_snprintf(sizeof(zBuf),zBuf,"%p",pPage);
Tcl_AppendResult(interp, zBuf, 0);
}
return TCL_OK;
}
static int page_lookup(
void *NotUsed,
Tcl_Interp *interp,
int argc,
const char **argv
){
Pager *pPager;
char zBuf[100];
DbPage *pPage;
int pgno;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID PGNO\"", 0);
return TCL_ERROR;
}
pPager = sqlite3TestTextToPtr(argv[1]);
if( Tcl_GetInt(interp, argv[2], &pgno) ) return TCL_ERROR;
pPage = sqlite3PagerLookup(pPager, pgno);
if( pPage ){
sqlite3_snprintf(sizeof(zBuf),zBuf,"%p",pPage);
Tcl_AppendResult(interp, zBuf, 0);
}
return TCL_OK;
}
