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| author | chenzero <stzdzyhs@gmail.com> | 2023-08-16 20:10:27 +0800 |
|---|---|---|
| committer | Alexey Gladkov <gladkov.alexey@gmail.com> | 2023-08-16 19:06:03 +0200 |
| commit | 8abc015d381d463bbc0d1152b7850c7f46f0fd20 (patch) | |
| tree | 3dde8c6be7c13a7961f76e57d0635ee3ee246627 | |
| parent | fa117304e2e8098bb72f267a07ecd70923149c82 (diff) | |
| download | kbd-8abc015d381d463bbc0d1152b7850c7f46f0fd20.tar.gz | |
showkey: Allow to change timeout
Signed-off-by: Zero Chen <stzdzyhs@gmail.com>
Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>
| -rw-r--r-- | src/showkey.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/showkey.c b/src/showkey.c index 3d7de5c1..dfd1dce0 100644 --- a/src/showkey.c +++ b/src/showkey.c @@ -117,18 +117,20 @@ usage(int rc, const struct kbd_help *options) int main(int argc, char *argv[]) { - const char *short_opts = "haskV"; + const char *short_opts = "haskVt:"; const struct option long_opts[] = { { "help", no_argument, NULL, 'h' }, { "ascii", no_argument, NULL, 'a' }, { "scancodes", no_argument, NULL, 's' }, { "keycodes", no_argument, NULL, 'k' }, + { "timeout", required_argument, NULL, 't' }, { "version", no_argument, NULL, 'V' }, { NULL, 0, NULL, 0 } }; int c; int show_keycodes = 1; int print_ascii = 0; + int timeout = 10; struct termios new = { 0 }; unsigned char buf[18]; /* divisible by 3 */ @@ -142,6 +144,7 @@ int main(int argc, char *argv[]) { "-a, --ascii", _("display the decimal/octal/hex values of the keys.") }, { "-s, --scancodes", _("display only the raw scan-codes.") }, { "-k, --keycodes", _("display only the interpreted keycodes (default).") }, + { "-t, --timeout", _("set timeout, default 10") }, { "-h, --help", _("print this usage message.") }, { "-V, --version", _("print version number.") }, { NULL, NULL } @@ -164,6 +167,12 @@ int main(int argc, char *argv[]) case 'h': usage(EXIT_SUCCESS, opthelp); break; + case 't': + timeout = atoi(optarg); + /* in anycase if conversion wrong */ + if (timeout < 1) + timeout = 10; + break; case '?': usage(EX_USAGE, opthelp); break; @@ -258,12 +267,12 @@ int main(int argc, char *argv[]) kbd_error(EXIT_FAILURE, errno, "ioctl KDSKBMODE"); } - printf(_("press any key (program terminates 10s after last keypress)...\n")); + printf(_("press any key (program terminates %ds after last keypress)...\n"), timeout); /* show scancodes */ if (!show_keycodes) { while (1) { - alarm(10); + alarm(timeout); n = read(fd, buf, sizeof(buf)); for (i = 0; i < n; i++) printf("0x%02x ", buf[i]); @@ -275,7 +284,7 @@ int main(int argc, char *argv[]) /* show keycodes - 2.6 allows 3-byte reports */ while (1) { - alarm(10); + alarm(timeout); n = read(fd, buf, sizeof(buf)); i = 0; while (i < n) { |