mirror of
https://github.com/node-red/node-red-nodes.git
synced 2023-10-10 13:36:58 +02:00
31 lines
745 B
C
31 lines
745 B
C
|
/* Add your header comment here */
|
||
|
|
|
||
|
|
#include <sqlite3ext.h>
|
||
|
|
SQLITE_EXTENSION_INIT1
|
||
|
|
|
||
|
|
/*
|
||
|
|
** The half() SQL function returns half of its input value.
|
||
|
|
*/
|
||
|
|
static void halfFunc(
|
||
|
|
sqlite3_context *context,
|
||
|
|
int argc,
|
||
|
|
sqlite3_value **argv
|
||
|
|
){
|
||
|
|
sqlite3_result_double(context, 0.5*sqlite3_value_double(argv[0]));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* SQLite invokes this routine once when it loads the extension.
|
||
|
|
** Create new functions, collating sequences, and virtual table
|
||
|
|
** modules here. This is usually the only exported symbol in
|
||
|
|
** the shared library.
|
||
|
|
*/
|
||
|
|
int sqlite3_extension_init(
|
||
|
|
sqlite3 *db,
|
||
|
|
char **pzErrMsg,
|
||
|
|
const sqlite3_api_routines *pApi
|
||
|
|
){
|
||
|
|
SQLITE_EXTENSION_INIT2(pApi)
|
||
|
|
sqlite3_create_function(db, "half", 1, SQLITE_ANY, 0, halfFunc, 0, 0);
|
||
|
|
return 0;
|
||
|
|
}
|