/**
* [interp] creates a new interpreter.
*/
static int JimInterpCommand(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
Jim_Interp *child;
char buf[32];
if (argc != 1) {
Jim_WrongNumArgs(interp, 1, argv, "");
return JIM_ERR;
}
/* Create the interpreter command */
child = Jim_CreateInterp();
Jim_RegisterCoreCommands(child);
Jim_InitStaticExtensions(child);
/* Copy some core variables to the new interpreter */
JimInterpCopyVariable(child, interp, "argv", NULL);
JimInterpCopyVariable(child, interp, "argc", NULL);
JimInterpCopyVariable(child, interp, "argv0", NULL);
JimInterpCopyVariable(child, interp, "jim::argv0", NULL);
JimInterpCopyVariable(child, interp, "jim::exe", NULL);
/* Allow the child interpreter to find the parent */
Jim_SetAssocData(child, "interp.parent", NULL, interp);
snprintf(buf, sizeof(buf), "interp.handle%ld", Jim_GetId(interp));
Jim_CreateCommand(interp, buf, JimInterpSubCmdProc, child, JimInterpDelProc);
Jim_SetResultString(interp, buf, -1);
return JIM_OK;
}
/**
* Creates a channel for fh/fd/filename.
*
* If fh is not NULL, uses that as the channel (and set AIO_KEEPOPEN).
* Otherwise, if fd is >= 0, uses that as the chanel.
* Otherwise opens 'filename' with mode 'mode'.
*
* hdlfmt is a sprintf format for the filehandle. Anything with %ld at the end will do.
* mode is used for open or fdopen.
*
* Creates the command and sets the name as the current result.
*/
static int JimMakeChannel(Jim_Interp *interp, FILE *fh, int fd, Jim_Obj *filename,
const char *hdlfmt, int family, const char *mode)
{
AioFile *af;
char buf[AIO_CMD_LEN];
int OpenFlags = 0;
if (filename == NULL) {
filename = Jim_NewStringObj(interp, hdlfmt, -1);
}
Jim_IncrRefCount(filename);
if (fh == NULL) {
if (fd < 0) {
fh = fopen(Jim_String(filename), mode);
}
else {
fh = fdopen(fd, mode);
}
}
else {
OpenFlags = AIO_KEEPOPEN;
}
if (fh == NULL) {
JimAioSetError(interp, filename);
#if !defined(JIM_ANSIC)
if (fd >= 0) {
close(fd);
}
#endif
Jim_DecrRefCount(interp, filename);
return JIM_ERR;
}
/* Create the file command */
af = Jim_Alloc(sizeof(*af));
memset(af, 0, sizeof(*af));
af->fp = fh;
af->fd = fileno(fh);
af->filename = filename;
#ifdef FD_CLOEXEC
if ((OpenFlags & AIO_KEEPOPEN) == 0) {
fcntl(af->fd, F_SETFD, FD_CLOEXEC);
}
#endif
af->OpenFlags = OpenFlags;
#ifdef O_NDELAY
af->flags = fcntl(af->fd, F_GETFL);
#endif
af->addr_family = family;
snprintf(buf, sizeof(buf), hdlfmt, Jim_GetId(interp));
Jim_CreateCommand(interp, buf, JimAioSubCmdProc, af, JimAioDelProc);
Jim_SetResultString(interp, buf, -1);
return JIM_OK;
}
static int JimSqliteOpenCommand(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
sqlite3 *db;
char buf[60];
int r;
if (argc != 2) {
Jim_WrongNumArgs(interp, 1, argv, "dbname");
return JIM_ERR;
}
r = sqlite3_open(Jim_String(argv[1]), &db);
if (r != SQLITE_OK) {
Jim_SetResultString(interp, sqlite3_errmsg(db), -1);
sqlite3_close(db);
return JIM_ERR;
}
/* Create the file command */
snprintf(buf, sizeof(buf), "sqlite.handle%ld", Jim_GetId(interp));
Jim_CreateCommand(interp, buf, JimSqliteHandlerCommand, db, JimSqliteDelProc);
Jim_SetResult(interp, Jim_MakeGlobalNamespaceName(interp, Jim_NewStringObj(interp, buf, -1)));
return JIM_OK;
}
