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path: root/recipes/busybox/busybox-1.2.1/add-getkey-applet.patch
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#
# Patch managed by http://www.holgerschurig.de/patcher.html
#

Index: busybox-1.1.0/console-tools/getkey.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ busybox-1.1.0/console-tools/getkey.c	2006-03-14 17:17:28.000000000 +0100
@@ -0,0 +1,94 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * getkey.c - Michael 'Mickey' Lauer
+ *
+ * Version 0.1
+ *
+ * A simple keygrapper. Displays a configurable message and waits a dedicated number
+ * of seconds for a keypress. Sets the exit code accordingly (SUCCESS on keypress).
+ */
+#include <stdio.h>
+#include <fcntl.h>
+#include <memory.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/kd.h>
+#include "busybox.h"
+
+extern int getkey_main(int argc, char **argv)
+{
+    int status = EXIT_FAILURE;
+
+    if ( argc < 2 )
+    {
+	bb_show_usage();
+    }
+
+    /*
+     * If no terminal is attached it is quite useless
+     * to treat it like one.
+     */
+    if( !isatty(STDIN_FILENO) )
+    {
+	goto error_hard;
+    }
+
+    //bb_printf( "DEBUG: time = '%s'\n", argv[1] );
+    //bb_printf( "DEBUG: mesg = '%s'\n", argv[2] );
+
+    struct termios orig;
+    struct termios attr;
+
+    if ( tcgetattr(STDIN_FILENO, &orig) == -1 )
+    {
+	goto error_hard;
+    }
+
+    attr = orig;
+    attr.c_cc[VMIN] = 0;
+    attr.c_cc[VTIME] = 0;
+    attr.c_iflag |= INLCR;
+    attr.c_oflag |= OPOST|ONLCR;
+    attr.c_cflag &= ~PARENB;
+    attr.c_lflag &= ~(ICANON/*|ECHO*/);
+    if ( tcsetattr(STDIN_FILENO,TCSANOW,&attr) == -1 )
+    {
+	goto error_hard;
+    }
+
+    fd_set rfds;
+    struct timeval tv;
+    int retval;
+
+    FD_ZERO(&rfds);
+    FD_SET(0, &rfds);
+
+    tv.tv_sec = atoi( argv[1] );
+    tv.tv_usec = 0;
+
+    if ( argc == 3 )
+    {
+	bb_printf( argv[2], tv.tv_sec );
+	bb_printf( "\n" );
+	fflush(stdout);
+    }
+    retval = select(1, &rfds, NULL, NULL, &tv);
+    if (retval > 0)
+    {
+	status = EXIT_SUCCESS;
+    }
+
+    if (tcsetattr(STDIN_FILENO,TCSANOW,&orig) == -1 )
+    {
+	goto error_hard;
+    }
+
+    return status;
+
+error_hard   :
+    return EXIT_FAILURE;
+};
+
Index: busybox-1.1.0/console-tools/Makefile.in
===================================================================
--- busybox-1.1.0.orig/console-tools/Makefile.in	2006-01-11 06:43:57.000000000 +0100
+++ busybox-1.1.0/console-tools/Makefile.in	2006-03-14 17:18:18.000000000 +0100
@@ -21,6 +21,7 @@
 CONSOLETOOLS_DIR-$(CONFIG_OPENVT)	+= openvt.o
 CONSOLETOOLS_DIR-$(CONFIG_RESET)	+= reset.o
 CONSOLETOOLS_DIR-$(CONFIG_SETKEYCODES)	+= setkeycodes.o
+CONSOLETOOLS_DIR-$(CONFIG_GETKEY)	+= getkey.o
 
 libraries-y+=$(CONSOLETOOLS_DIR)$(CONSOLETOOLS_AR)
 
Index: busybox-1.1.0/console-tools/Config.in
===================================================================
--- busybox-1.1.0.orig/console-tools/Config.in	2006-01-11 06:43:57.000000000 +0100
+++ busybox-1.1.0/console-tools/Config.in	2006-03-14 17:17:28.000000000 +0100
@@ -31,6 +31,14 @@
 	  This program dumps the kernel's keyboard translation table to
 	  stdout, in binary format. You can then use loadkmap to load it.
 
+config CONFIG_GETKEY
+	bool "getkey"
+	default n
+	help
+	  This program displays a configurable message and waits
+	  a dedicated number of seconds for a keypress. It sets
+	  the exit code accordingly, i.e. SUCCESS if there was a keypress.
+
 config CONFIG_LOADFONT
 	bool "loadfont"
 	default n
Index: busybox-1.1.0/include/applets.h
===================================================================
--- busybox-1.1.0.orig/include/applets.h	2006-01-11 06:44:14.000000000 +0100
+++ busybox-1.1.0/include/applets.h	2006-03-14 17:17:28.000000000 +0100
@@ -261,6 +261,9 @@
 #ifdef CONFIG_FUSER
 	APPLET(fuser, fuser_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
 #endif
+#ifdef CONFIG_GETKEY
+	APPLET(getkey, getkey_main, _BB_DIR_SBIN, _BB_SUID_NEVER)
+#endif
 #ifdef CONFIG_GETOPT
 	APPLET(getopt, getopt_main, _BB_DIR_BIN, _BB_SUID_NEVER)
 #endif
Index: busybox-1.1.0/include/usage.h
===================================================================
--- busybox-1.1.0.orig/include/usage.h	2006-01-11 06:44:14.000000000 +0100
+++ busybox-1.1.0/include/usage.h	2006-03-14 17:19:11.000000000 +0100
@@ -841,6 +841,13 @@
 	"\t-p, --password         Password to be used\n" \
 	"\t-P, --port             Port number to be used"
 
+#define getkey_trivial_usage \
+	"time [message]"
+#define getkey_full_usage \
+	"Display a message and wait for a keypress."
+#define getkey_example_usage \
+	"$ getkey 5 'Press a key within %d seconds to interrupt autoboot.'"
+
 #define fuser_trivial_usage \
 	"[options] file OR port/proto"
 #define fuser_full_usage \