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authorsthen <sthen@openbsd.org>2016-09-23 09:21:58 +0000
committersthen <sthen@openbsd.org>2016-09-23 09:21:58 +0000
commit25e4f8ab5acd0ef40feec6767a572bebbbe294b3 (patch)
tree20197c0e46bb6d260f4a310b6d5dd73b8d826f01 /lib/libsqlite3/src/test_tclvar.c
parentremove usr.bin/sqlite3, it has moved back to ports (diff)
downloadwireguard-openbsd-25e4f8ab5acd0ef40feec6767a572bebbbe294b3.tar.xz
wireguard-openbsd-25e4f8ab5acd0ef40feec6767a572bebbbe294b3.zip
remove lib/libsqlite3, it has moved back to ports
Diffstat (limited to 'lib/libsqlite3/src/test_tclvar.c')
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diff --git a/lib/libsqlite3/src/test_tclvar.c b/lib/libsqlite3/src/test_tclvar.c
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-/*
-** 2006 June 13
-**
-** The author disclaims copyright to this source code. In place of
-** a legal notice, here is a blessing:
-**
-** May you do good and not evil.
-** May you find forgiveness for yourself and forgive others.
-** May you share freely, never taking more than you give.
-**
-*************************************************************************
-** Code for testing the virtual table interfaces. This code
-** is not included in the SQLite library. It is used for automated
-** testing of the SQLite library.
-**
-** The emphasis of this file is a virtual table that provides
-** access to TCL variables.
-*/
-#include "sqliteInt.h"
-#include "tcl.h"
-#include <stdlib.h>
-#include <string.h>
-
-#ifndef SQLITE_OMIT_VIRTUALTABLE
-
-typedef struct tclvar_vtab tclvar_vtab;
-typedef struct tclvar_cursor tclvar_cursor;
-
-/*
-** A tclvar virtual-table object
-*/
-struct tclvar_vtab {
- sqlite3_vtab base;
- Tcl_Interp *interp;
-};
-
-/* A tclvar cursor object */
-struct tclvar_cursor {
- sqlite3_vtab_cursor base;
-
- Tcl_Obj *pList1; /* Result of [info vars ?pattern?] */
- Tcl_Obj *pList2; /* Result of [array names [lindex $pList1 $i1]] */
- int i1; /* Current item in pList1 */
- int i2; /* Current item (if any) in pList2 */
-};
-
-/* Methods for the tclvar module */
-static int tclvarConnect(
- sqlite3 *db,
- void *pAux,
- int argc, const char *const*argv,
- sqlite3_vtab **ppVtab,
- char **pzErr
-){
- tclvar_vtab *pVtab;
- static const char zSchema[] =
- "CREATE TABLE whatever(name TEXT, arrayname TEXT, value TEXT)";
- pVtab = sqlite3MallocZero( sizeof(*pVtab) );
- if( pVtab==0 ) return SQLITE_NOMEM;
- *ppVtab = &pVtab->base;
- pVtab->interp = (Tcl_Interp *)pAux;
- sqlite3_declare_vtab(db, zSchema);
- return SQLITE_OK;
-}
-/* Note that for this virtual table, the xCreate and xConnect
-** methods are identical. */
-
-static int tclvarDisconnect(sqlite3_vtab *pVtab){
- sqlite3_free(pVtab);
- return SQLITE_OK;
-}
-/* The xDisconnect and xDestroy methods are also the same */
-
-/*
-** Open a new tclvar cursor.
-*/
-static int tclvarOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){
- tclvar_cursor *pCur;
- pCur = sqlite3MallocZero(sizeof(tclvar_cursor));
- *ppCursor = &pCur->base;
- return SQLITE_OK;
-}
-
-/*
-** Close a tclvar cursor.
-*/
-static int tclvarClose(sqlite3_vtab_cursor *cur){
- tclvar_cursor *pCur = (tclvar_cursor *)cur;
- if( pCur->pList1 ){
- Tcl_DecrRefCount(pCur->pList1);
- }
- if( pCur->pList2 ){
- Tcl_DecrRefCount(pCur->pList2);
- }
- sqlite3_free(pCur);
- return SQLITE_OK;
-}
-
-/*
-** Returns 1 if data is ready, or 0 if not.
-*/
-static int next2(Tcl_Interp *interp, tclvar_cursor *pCur, Tcl_Obj *pObj){
- Tcl_Obj *p;
-
- if( pObj ){
- if( !pCur->pList2 ){
- p = Tcl_NewStringObj("array names", -1);
- Tcl_IncrRefCount(p);
- Tcl_ListObjAppendElement(0, p, pObj);
- Tcl_EvalObjEx(interp, p, TCL_EVAL_GLOBAL);
- Tcl_DecrRefCount(p);
- pCur->pList2 = Tcl_GetObjResult(interp);
- Tcl_IncrRefCount(pCur->pList2);
- assert( pCur->i2==0 );
- }else{
- int n = 0;
- pCur->i2++;
- Tcl_ListObjLength(0, pCur->pList2, &n);
- if( pCur->i2>=n ){
- Tcl_DecrRefCount(pCur->pList2);
- pCur->pList2 = 0;
- pCur->i2 = 0;
- return 0;
- }
- }
- }
-
- return 1;
-}
-
-static int tclvarNext(sqlite3_vtab_cursor *cur){
- Tcl_Obj *pObj;
- int n = 0;
- int ok = 0;
-
- tclvar_cursor *pCur = (tclvar_cursor *)cur;
- Tcl_Interp *interp = ((tclvar_vtab *)(cur->pVtab))->interp;
-
- Tcl_ListObjLength(0, pCur->pList1, &n);
- while( !ok && pCur->i1<n ){
- Tcl_ListObjIndex(0, pCur->pList1, pCur->i1, &pObj);
- ok = next2(interp, pCur, pObj);
- if( !ok ){
- pCur->i1++;
- }
- }
-
- return 0;
-}
-
-static int tclvarFilter(
- sqlite3_vtab_cursor *pVtabCursor,
- int idxNum, const char *idxStr,
- int argc, sqlite3_value **argv
-){
- tclvar_cursor *pCur = (tclvar_cursor *)pVtabCursor;
- Tcl_Interp *interp = ((tclvar_vtab *)(pVtabCursor->pVtab))->interp;
-
- Tcl_Obj *p = Tcl_NewStringObj("info vars", -1);
- Tcl_IncrRefCount(p);
-
- assert( argc==0 || argc==1 );
- if( argc==1 ){
- Tcl_Obj *pArg = Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1);
- Tcl_ListObjAppendElement(0, p, pArg);
- }
- Tcl_EvalObjEx(interp, p, TCL_EVAL_GLOBAL);
- if( pCur->pList1 ){
- Tcl_DecrRefCount(pCur->pList1);
- }
- if( pCur->pList2 ){
- Tcl_DecrRefCount(pCur->pList2);
- pCur->pList2 = 0;
- }
- pCur->i1 = 0;
- pCur->i2 = 0;
- pCur->pList1 = Tcl_GetObjResult(interp);
- Tcl_IncrRefCount(pCur->pList1);
- assert( pCur->i1==0 && pCur->i2==0 && pCur->pList2==0 );
-
- Tcl_DecrRefCount(p);
- return tclvarNext(pVtabCursor);
-}
-
-static int tclvarColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){
- Tcl_Obj *p1;
- Tcl_Obj *p2;
- const char *z1;
- const char *z2 = "";
- tclvar_cursor *pCur = (tclvar_cursor*)cur;
- Tcl_Interp *interp = ((tclvar_vtab *)cur->pVtab)->interp;
-
- Tcl_ListObjIndex(interp, pCur->pList1, pCur->i1, &p1);
- Tcl_ListObjIndex(interp, pCur->pList2, pCur->i2, &p2);
- z1 = Tcl_GetString(p1);
- if( p2 ){
- z2 = Tcl_GetString(p2);
- }
- switch (i) {
- case 0: {
- sqlite3_result_text(ctx, z1, -1, SQLITE_TRANSIENT);
- break;
- }
- case 1: {
- sqlite3_result_text(ctx, z2, -1, SQLITE_TRANSIENT);
- break;
- }
- case 2: {
- Tcl_Obj *pVal = Tcl_GetVar2Ex(interp, z1, *z2?z2:0, TCL_GLOBAL_ONLY);
- sqlite3_result_text(ctx, Tcl_GetString(pVal), -1, SQLITE_TRANSIENT);
- break;
- }
- }
- return SQLITE_OK;
-}
-
-static int tclvarRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){
- *pRowid = 0;
- return SQLITE_OK;
-}
-
-static int tclvarEof(sqlite3_vtab_cursor *cur){
- tclvar_cursor *pCur = (tclvar_cursor*)cur;
- return (pCur->pList2?0:1);
-}
-
-static int tclvarBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
- int ii;
-
- for(ii=0; ii<pIdxInfo->nConstraint; ii++){
- struct sqlite3_index_constraint const *pCons = &pIdxInfo->aConstraint[ii];
- if( pCons->iColumn==0 && pCons->usable
- && pCons->op==SQLITE_INDEX_CONSTRAINT_EQ ){
- struct sqlite3_index_constraint_usage *pUsage;
- pUsage = &pIdxInfo->aConstraintUsage[ii];
- pUsage->omit = 0;
- pUsage->argvIndex = 1;
- return SQLITE_OK;
- }
- }
-
- for(ii=0; ii<pIdxInfo->nConstraint; ii++){
- struct sqlite3_index_constraint const *pCons = &pIdxInfo->aConstraint[ii];
- if( pCons->iColumn==0 && pCons->usable
- && pCons->op==SQLITE_INDEX_CONSTRAINT_MATCH ){
- struct sqlite3_index_constraint_usage *pUsage;
- pUsage = &pIdxInfo->aConstraintUsage[ii];
- pUsage->omit = 1;
- pUsage->argvIndex = 1;
- return SQLITE_OK;
- }
- }
-
- return SQLITE_OK;
-}
-
-/*
-** A virtual table module that provides read-only access to a
-** Tcl global variable namespace.
-*/
-static sqlite3_module tclvarModule = {
- 0, /* iVersion */
- tclvarConnect,
- tclvarConnect,
- tclvarBestIndex,
- tclvarDisconnect,
- tclvarDisconnect,
- tclvarOpen, /* xOpen - open a cursor */
- tclvarClose, /* xClose - close a cursor */
- tclvarFilter, /* xFilter - configure scan constraints */
- tclvarNext, /* xNext - advance a cursor */
- tclvarEof, /* xEof - check for end of scan */
- tclvarColumn, /* xColumn - read data */
- tclvarRowid, /* xRowid - read data */
- 0, /* xUpdate */
- 0, /* xBegin */
- 0, /* xSync */
- 0, /* xCommit */
- 0, /* xRollback */
- 0, /* xFindMethod */
- 0, /* xRename */
-};
-
-/*
-** Decode a pointer to an sqlite3 object.
-*/
-extern int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb);
-
-/*
-** Register the echo virtual table module.
-*/
-static int register_tclvar_module(
- ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
- Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
- int objc, /* Number of arguments */
- Tcl_Obj *CONST objv[] /* Command arguments */
-){
- sqlite3 *db;
- if( objc!=2 ){
- Tcl_WrongNumArgs(interp, 1, objv, "DB");
- return TCL_ERROR;
- }
- if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-#ifndef SQLITE_OMIT_VIRTUALTABLE
- sqlite3_create_module(db, "tclvar", &tclvarModule, (void *)interp);
-#endif
- return TCL_OK;
-}
-
-#endif
-
-
-/*
-** Register commands with the TCL interpreter.
-*/
-int Sqlitetesttclvar_Init(Tcl_Interp *interp){
-#ifndef SQLITE_OMIT_VIRTUALTABLE
- static struct {
- char *zName;
- Tcl_ObjCmdProc *xProc;
- void *clientData;
- } aObjCmd[] = {
- { "register_tclvar_module", register_tclvar_module, 0 },
- };
- int i;
- for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
- Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
- aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
- }
-#endif
- return TCL_OK;
-}