diff options
Diffstat (limited to 'src/getkey.c')
| -rw-r--r-- | src/getkey.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/src/getkey.c b/src/getkey.c deleted file mode 100644 index 11496260..00000000 --- a/src/getkey.c +++ /dev/null @@ -1,141 +0,0 @@ -/*
- * Copyright (c) 1999-2003, 2006 Red Hat, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- * - * getkey
- *
- * A very simple keygrabber.
- *
- */
-#include <ctype.h>
-#include <errno.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <termios.h>
-#include <unistd.h>
-#include <sys/poll.h>
-#include "popt.h"
-
-static struct termios orig_tp;
-
-static void reset_term(int x) {
- tcsetattr(0,TCSANOW,&orig_tp);
- _exit(x);
-}
-
-int main(int argc, char **argv) {
- static const char default_list[] = "";
-
- const char *list;
- char *waitmessage = NULL;
- char *waitprint, *waitsprint;
- int waitseconds=0;
- int alarmlen=0;
- int ignore_control=0;
- struct termios tp;
- int r;
- struct pollfd ufds; /* only one, no need for an array... */
- poptContext context;
- struct poptOption options[] = {
- { "wait", 'c', POPT_ARG_INT, &waitseconds, 0, "Number of seconds to wait for keypress", NULL },
- { "message", 'm', POPT_ARG_STRING, &waitmessage, 0, "Message to print out while waiting for string\nNOTE: The message may have a \"%d\" in it, to hold the number of seconds left to wait.", NULL },
- { "ignore-control-chars", 'i', POPT_ARG_NONE, &ignore_control, 0, "Ignore Control-C and Control-D", NULL },
- POPT_AUTOHELP
- POPT_TABLEEND
- };
-
- context = poptGetContext("getkey", argc, (const char **)argv, options,
- POPT_CONTEXT_POSIXMEHARDER);
- poptSetOtherOptionHelp(context, "[keys]");
-
- r = poptGetNextOpt(context);
- if (r < -1) {
- fprintf(stderr, "%s: %s\n",
- poptBadOption(context, POPT_BADOPTION_NOALIAS),
- poptStrerror(r));
-
- return -1;
- }
- list = poptGetArg(context);
- if (list != NULL) {
- char *p;
-
- p = strdup(list);
- list = p;
- while (*p != 0) {
- *p = toupper(*p);
- p++;
- }
- } else
- list = default_list;
- if (waitseconds) {
- if (waitseconds < 0) {
- fprintf(stderr, "--wait: Invalid time %d seconds\n",
- waitseconds);
- return -1;
- }
- alarmlen = waitseconds;
- }
-
- tcgetattr(0,&tp);
- orig_tp = tp;
- signal(SIGTERM,reset_term);
- if (alarmlen != 0) {
- signal(SIGALRM,reset_term);
- alarm(alarmlen);
- }
-
- tp.c_iflag=0;
- tp.c_oflag &= ~OPOST;
- tp.c_lflag &= ~(ISIG | ICANON);
- tcsetattr(0,TCSANOW,&tp);
-
- ufds.events = POLLIN;
- ufds.fd = 0;
-
- if (waitmessage) {
- waitprint = alloca (strlen(waitmessage)+15); /* long enough */
- waitprint[0] = '\r';
- waitsprint = waitprint + 1;
- }
-
- while (1) {
- if (waitmessage) {
- sprintf (waitsprint, waitmessage, waitseconds);
- write (1, waitprint, strlen(waitprint));
- }
- r = poll(&ufds, 1, alarmlen ? 1000 : -1);
- if (r == 0) {
- /* we have waited a whole second with no keystroke... */
- waitseconds--;
- }
- if (r > 0) {
- char ch;
-
- read(0, &ch, sizeof(ch));
- ch = toupper(ch);
- /* Die if we get a control-c or control-d */
- if (ignore_control == 0 && (ch == 3 || ch == 4))
- reset_term(1);
- /* Don't let a null character be interpreted as a match
- by strchr */
- if (ch != 0
- && (strcmp(list, "") == 0 || strchr(list, ch) != NULL))
- reset_term(0);
- }
- }
-}
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