63 lines
867 B
C
63 lines
867 B
C
#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <termios.h>
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#include <unistd.h>
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#include "terminal.h"
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#include "util.h"
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void
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loop()
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{
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char c;
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int command = 0;
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while (1) {
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c = '\0';
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/*
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* Note that Cygwin, apparently, will treat a read time-
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* out as an error with errno == EAGAIN. I don't really
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* have any interest in supporting code for Cygwin.
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*/
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if ((read(STDIN_FILENO, &c, 1) == -1)) {
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die("failed to read from the terminal");
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}
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if (c == 0x00) {
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continue;
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}
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if (command && ((c == 'q') || (c == 0x11))) {
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break;
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}
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if (c == 0x0b) {
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if (!command) {
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command = 1;
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continue;
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}
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} else {
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command = 0;
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}
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if (iscntrl(c)) {
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printf("%02x\r\n", c);
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} else {
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printf("%02x ('%c')\r\n", c, c);
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}
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}
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}
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int
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main()
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{
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setup_terminal();
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loop();
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return 0;
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}
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