phoned/scripts/terminal.c

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#include <stdio.h>
#include <stdlib.h>
#include <termios.h>
#include <string.h>
#include <limits.h> /*For MAX_CANON -- Linux: use <limits.h> instead */
#include <tcl.h>
#define CMD_ARGS (ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
int TerminalEchoOff CMD_ARGS {
struct termios terminal;
int fid = fileno (stdout);
if (objc != 1) {
Tcl_WrongNumArgs (interp, 0, NULL, "terminal:echoOff");
return TCL_ERROR;
}
tcgetattr (fid, &terminal);
terminal.c_lflag &= (~ECHO);
tcsetattr (fid, TCSANOW, &terminal);
return TCL_OK;
}
int TerminalEchoOn CMD_ARGS {
struct termios terminal;
int fid = fileno (stdout);
if (objc != 1) {
Tcl_WrongNumArgs (interp, 0, NULL, "terminal:echoOn");
return TCL_ERROR;
}
tcgetattr (fid, &terminal);
terminal.c_lflag |= (ECHO);
tcsetattr (fid, TCSANOW, &terminal);
return TCL_OK;
}
int TerminalCanonicalOff CMD_ARGS {
struct termios terminal;
int fid = fileno (stdin);
if (objc != 1) {
Tcl_WrongNumArgs (interp, 0, NULL, "terminal:canonicalOff");
return TCL_ERROR;
}
tcgetattr (fid, &terminal);
terminal.c_lflag &= (~ICANON);
terminal.c_cc[VTIME] = 0;
terminal.c_cc[VMIN] = 1;
tcsetattr (fid, TCSANOW, &terminal);
return TCL_OK;
}
int TerminalCanonicalOn CMD_ARGS {
struct termios terminal;
int fid = fileno (stdin);
if (objc != 1) {
Tcl_WrongNumArgs (interp, 0, NULL, "terminal:canonicalOn");
return TCL_ERROR;
}
tcgetattr (fid, &terminal);
terminal.c_lflag |= (ICANON);
terminal.c_cc[VTIME] = 0;
terminal.c_cc[VMIN] = MAX_CANON;
tcsetattr (fid, TCSANOW, &terminal);
return TCL_OK;
}
int Terminal_Init (Tcl_Interp *interp) {
#define OBJ_CMD(name,func) Tcl_CreateObjCommand(interp, name, func, (ClientData) NULL, (Tcl_CmdDeleteProc *) NULL)
OBJ_CMD ("terminal:echoOff", TerminalEchoOff);
OBJ_CMD ("terminal:echoOn", TerminalEchoOn);
OBJ_CMD ("terminal:canonicalOff", TerminalCanonicalOff);
OBJ_CMD ("terminal:canonicalOn", TerminalCanonicalOn);
#undef OBJ_CMD
return TCL_OK;
}