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/*
* test_key - Test client key-input
*
* Copyright (c) 2012 David Herrmann <dh.herrmann@googlemail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <termios.h>
int main()
{
int res;
unsigned char buf;
struct termios omode, nmode;
bool reset = false;
fprintf(stderr, "Quit with 'q' (maybe followed by 'enter'/'return')\r\n");
fprintf(stderr, "Maybe your terminal may be unusable after this, use 'reset' to fix it\r\n");
if (tcgetattr(0, &omode) < 0) {
fprintf(stderr, "cannot retrieve terminal attributes (%d): %m\r\n",
errno);
} else {
memcpy(&nmode, &omode, sizeof(nmode));
cfmakeraw(&nmode);
if (tcsetattr(0, TCSANOW, &nmode) < 0)
fprintf(stderr, "cannot set terminal attributes (%d): %m\r\n",
errno);
else
reset = true;
}
while (1) {
res = fread(&buf, 1, 1, stdin);
if (res != 1) {
fprintf(stderr, "error on stdin: %d %d: %m\r\n",
res, errno);
break;
}
if (buf == '\n')
fprintf(stderr, "key: <newline>\r\n");
else
fprintf(stderr, "key: %x %u %o '%c'\r\n",
(int)buf, buf, buf, buf);
if (buf == 'q')
break;
}
if (reset && tcsetattr(0, TCSANOW, &omode) < 0)
fprintf(stderr, "cannot reset terminal attributes (%d): %m\r\n",
errno);
return 0;
}
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