patched source

src/scanbuttond-0.2.3/backends/plustek_umax.c

+// plustek_umax.c: Plustek device backend for UMAX models
+// This file is part of scanbuttond.
+// Copyleft )c( 2005 by Hans Verkuil
+// Copyleft )c( 2005-2006 by Bernhard Stiftner
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <syslog.h>
+#include "scanbuttond/scanbuttond.h"
+#include "scanbuttond/libusbi.h"
+#include "plustek_umax.h"
+
+static char* backend_name = "Plustek USB for UMAX";
+
+#define NUM_SUPPORTED_USB_DEVICES 1
+
+static int supported_usb_devices[NUM_SUPPORTED_USB_DEVICES][3] = {
+	// vendor, product, num_buttons
+	{ 0x1606, 0x0060, 4 }  // UMAX Astra 3400 (3450?)
+};
+
+static char* usb_device_descriptions[NUM_SUPPORTED_USB_DEVICES][2] = {
+	{ "UMAX", "Astra 3400/3450" }
+};
+
+
+libusb_handle_t* libusb_handle;
+scanner_t* plustek_scanners = NULL;
+
+
+// returns -1 if the scanner is unsupported, or the index of the
+// corresponding vendor-product pair in the supported_usb_devices array.
+int plustek_match_libusb_scanner(libusb_device_t* device)
+{
+	int index;
+	for (index = 0; index < NUM_SUPPORTED_USB_DEVICES; index++) {
+		if (supported_usb_devices[index][0] == device->vendorID &&
+				  supported_usb_devices[index][1] == device->productID) {
+			break;
+		}
+	}
+	if (index >= NUM_SUPPORTED_USB_DEVICES) return -1;
+	return index;
+}
+
+
+void plustek_attach_libusb_scanner(libusb_device_t* device)
+{
+	const char* descriptor_prefix = "plustek:libusb:";
+	int index = plustek_match_libusb_scanner(device);
+	if (index < 0) return; // unsupported
+	scanner_t* scanner = (scanner_t*)malloc(sizeof(scanner_t));
+	scanner->vendor = usb_device_descriptions[index][0];
+	scanner->product = usb_device_descriptions[index][1];
+	scanner->connection = CONNECTION_LIBUSB;
+	scanner->internal_dev_ptr = (void*)device;
+	scanner->lastbutton = 0;
+	scanner->sane_device = (char*)malloc(strlen(device->location) +
+		strlen(descriptor_prefix) + 1);
+	strcpy(scanner->sane_device, descriptor_prefix);
+	strcat(scanner->sane_device, device->location);
+	scanner->num_buttons = supported_usb_devices[index][2];
+	scanner->is_open = 0;
+	scanner->next = plustek_scanners;
+	plustek_scanners = scanner;
+}
+
+
+void plustek_detach_scanners(void)
+{
+	scanner_t* next;
+	while (plustek_scanners != NULL) {
+		next = plustek_scanners->next;
+		free(plustek_scanners->sane_device);
+		free(plustek_scanners);
+		plustek_scanners = next;
+	}
+}
+
+
+void plustek_scan_devices(libusb_device_t* devices)
+{
+	int index;
+	libusb_device_t* device = devices;
+	while (device != NULL) {
+		index = plustek_match_libusb_scanner(device);
+		if (index >= 0) 
+			plustek_attach_libusb_scanner(device);
+		device = device->next;
+	}
+}
+
+
+int plustek_init_libusb(void)
+{
+	libusb_device_t* devices;
+
+	libusb_handle = libusb_init();
+	devices = libusb_get_devices(libusb_handle);
+	plustek_scan_devices(devices);
+	return 0;
+}
+
+
+const char* scanbtnd_get_backend_name(void)
+{
+	return backend_name;
+}
+
+
+int scanbtnd_init(void)
+{
+	plustek_scanners = NULL;
+
+	syslog(LOG_INFO, "plustek-umax-backend: init");
+	return plustek_init_libusb();
+}
+
+
+int scanbtnd_rescan(void)
+{
+	libusb_device_t* devices;
+
+	plustek_detach_scanners();
+	plustek_scanners = NULL;
+	libusb_rescan(libusb_handle);
+	devices = libusb_get_devices(libusb_handle);
+	plustek_scan_devices(devices);
+	return 0;
+}
+
+
+const scanner_t* scanbtnd_get_supported_devices(void)
+{
+	return plustek_scanners;
+}
+
+
+int scanbtnd_open(scanner_t* scanner)
+{
+	int result = -ENOSYS;
+	if (scanner->is_open)
+		return -EINVAL;
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			// if devices have been added/removed, return -ENODEV to
+			// make scanbuttond update its device list
+			if (libusb_get_changed_device_count() != 0)
+				return -ENODEV;
+			result = libusb_open((libusb_device_t*)scanner->internal_dev_ptr);
+			break;
+	}
+	if (result == 0)
+		scanner->is_open = 1;
+	return result;
+}
+
+
+int scanbtnd_close(scanner_t* scanner)
+{
+	int result = -ENOSYS;
+	if (!scanner->is_open)
+		return -EINVAL;
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			result = libusb_close((libusb_device_t*)scanner->internal_dev_ptr);
+			break;
+	}
+	if (result == 0)
+		scanner->is_open = 0;
+	return result;
+}
+
+
+int plustek_read(scanner_t* scanner, void* buffer, int bytecount)
+{
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			return libusb_read((libusb_device_t*)scanner->internal_dev_ptr,
+				buffer, bytecount);
+			break;
+	}
+	return -1;
+}
+
+
+int plustek_write(scanner_t* scanner, void* buffer, int bytecount)
+{
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			return libusb_write((libusb_device_t*)scanner->internal_dev_ptr,
+				buffer, bytecount);
+			break;
+	}
+	return -1;
+}
+
+void plustek_flush(scanner_t* scanner)
+{
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			libusb_flush((libusb_device_t*)scanner->internal_dev_ptr);
+			break;
+	}
+}
+
+
+int scanbtnd_get_button(scanner_t* scanner)
+{
+	unsigned char bytes[255];
+	int num_bytes;
+	int button = 0;
+	
+	bytes[0] = 1;
+	bytes[1] = 2;
+	bytes[2] = 0;
+	bytes[3] = 1;
+
+	if (!scanner->is_open)
+		return -EINVAL;
+
+	num_bytes = plustek_write(scanner, (void*)bytes, 4);
+	if (num_bytes != 4) {
+		plustek_flush(scanner);
+		return 0;
+	}
+	num_bytes = plustek_read(scanner, (void*)bytes, 1);
+	if (num_bytes != 1) {
+		plustek_flush(scanner);
+		return 0;
+	}
+	
+	switch (scanner->num_buttons) {
+	case 1: // not tested
+		if ((bytes[0] & 0x04) != 0) button = 1;
+		break;
+	case 2: // not tested
+		if ((bytes[0] & 0x08) != 0) button = 1;
+		if ((bytes[0] & 0x04) != 0) button = 2;
+		break;
+	case 3: // not tested
+		if ((bytes[0] & 0x10) != 0) button = 1;
+		if ((bytes[0] & 0x08) != 0) button = 2;
+		if ((bytes[0] & 0x04) != 0) button = 3;
+		break;	
+	case 4: // only tested on UMAX Astra 3400
+		if ((bytes[0] & 0x04) != 0) button = 1;
+		if ((bytes[0] & 0x08) != 0) button = 2;
+		if ((bytes[0] & 0x40) != 0) button = 3;
+		if ((bytes[0] & 0x20) != 0) button = 4;
+		break;
+	}
+	return button;
+}
+
+
+const char* scanbtnd_get_sane_device_descriptor(scanner_t* scanner)
+{
+	return scanner->sane_device;
+}
+
+
+int scanbtnd_exit(void)
+{
+	syslog(LOG_INFO, "plustek-umax-backend: exit");
+	plustek_detach_scanners();
+	libusb_exit(libusb_handle);
+	return 0;
+}
+

src/scanbuttond-0.2.3/backends/plustek_umax.h

+// plustek_umax.h: Plustek device backend for UMAX models
+// This file is part of scanbuttond.
+// Copyleft )c( 2005 by Hans Verkuil
+// Copyleft )c( 2005 by Bernhard Stiftner
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#ifndef __PLUSTEK_UMAX_H_INCLUDED
+#define __PLUSTEK_UMAX_H_INCLUDED
+
+#include "scanbuttond/backend.h"
+
+#endif

src/scanbuttond-0.2.3/backends/snapscan.c

+// snapscan.c: Snapscan device backend
+// This file is part of scanbuttond.
+// Copyleft )c( 2005-2006 by Bernhard Stiftner
+// Thanks to J. Javier Maestro for sniffing the button codes ;-)
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <syslog.h>
+#include "scanbuttond/scanbuttond.h"
+#include "scanbuttond/libusbi.h"
+#include "snapscan.h"
+
+static char* backend_name = "Snapscan USB";
+
+#define NUM_SUPPORTED_USB_DEVICES 3
+
+static int supported_usb_devices[NUM_SUPPORTED_USB_DEVICES][3] = {
+	{ 0x04b8, 0x0121, 4 },	// Epson Perfection 2480
+	{ 0x04b8, 0x011f, 4 },	// Epson Perfection 1670
+	{ 0x04b8, 0x0122, 4 }	// Epson Perfection 3490
+};
+
+// TODO: check if this backend really works on the Epson 2580 too...
+static char* usb_device_descriptions[NUM_SUPPORTED_USB_DEVICES][2] = {
+	   { "Epson", "Perfection 2480 / 2580" },
+	   { "Epson", "Perfection 1670" },
+	   { "Epson", "Perfection 3490" }
+};
+
+
+libusb_handle_t* libusb_handle;
+scanner_t* snapscan_scanners = NULL;
+
+
+// returns -1 if the scanner is unsupported, or the index of the
+// corresponding vendor-product pair in the supported_usb_devices array.
+int snapscan_match_libusb_scanner(libusb_device_t* device)
+{
+	int index;
+	for (index = 0; index < NUM_SUPPORTED_USB_DEVICES; index++) {
+		if (supported_usb_devices[index][0] == device->vendorID &&
+				  supported_usb_devices[index][1] == device->productID) {
+			break;
+		}
+	}
+	if (index >= NUM_SUPPORTED_USB_DEVICES) return -1;
+	return index;
+}
+
+
+void snapscan_attach_libusb_scanner(libusb_device_t* device)
+{
+	const char* descriptor_prefix = "snapscan:libusb:";
+	int index = snapscan_match_libusb_scanner(device);
+	if (index < 0) return; // unsupported
+	scanner_t* scanner = (scanner_t*)malloc(sizeof(scanner_t));
+	scanner->vendor = usb_device_descriptions[index][0];
+	scanner->product = usb_device_descriptions[index][1];
+	scanner->connection = CONNECTION_LIBUSB;
+	scanner->internal_dev_ptr = (void*)device;
+	scanner->lastbutton = 0;
+	scanner->sane_device = (char*)malloc(strlen(device->location) + 
+		strlen(descriptor_prefix) + 1);
+	strcpy(scanner->sane_device, descriptor_prefix);
+	strcat(scanner->sane_device, device->location);
+	scanner->num_buttons = supported_usb_devices[index][2];
+	scanner->is_open = 0;
+	scanner->next = snapscan_scanners;
+	snapscan_scanners = scanner;
+}
+
+
+void snapscan_detach_scanners(void)
+{
+	scanner_t* next;
+	while (snapscan_scanners != NULL) {
+		next = snapscan_scanners->next;
+		free(snapscan_scanners->sane_device);
+		free(snapscan_scanners);
+		snapscan_scanners = next;
+	}
+}
+
+
+void snapscan_scan_devices(libusb_device_t* devices)
+{
+	int index;
+	libusb_device_t* device = devices;
+	while (device != NULL) {
+		index = snapscan_match_libusb_scanner(device);
+		if (index >= 0) 
+			snapscan_attach_libusb_scanner(device);
+		device = device->next;
+	}
+}
+
+
+int snapscan_init_libusb(void)
+{
+	libusb_device_t* devices;
+
+	libusb_handle = libusb_init();
+	devices = libusb_get_devices(libusb_handle);
+	snapscan_scan_devices(devices);
+	return 0;
+}
+
+
+const char* scanbtnd_get_backend_name(void)
+{
+	return backend_name;
+}
+
+
+int scanbtnd_init(void)
+{
+	snapscan_scanners = NULL;
+
+	syslog(LOG_INFO, "snapscan-backend: init");
+	return snapscan_init_libusb();
+}
+
+
+int scanbtnd_rescan(void)
+{
+	libusb_device_t* devices;
+
+	snapscan_detach_scanners();
+	snapscan_scanners = NULL;
+	libusb_rescan(libusb_handle);
+	devices = libusb_get_devices(libusb_handle);
+	snapscan_scan_devices(devices);
+	return 0;
+}
+
+
+const scanner_t* scanbtnd_get_supported_devices(void)
+{
+	return snapscan_scanners;
+}
+
+
+int scanbtnd_open(scanner_t* scanner)
+{
+	int result = -ENOSYS;
+	if (scanner->is_open)
+		return -EINVAL;
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			// if devices have been added/removed, return -ENODEV to
+			// make scanbuttond update its device list
+			if (libusb_get_changed_device_count() != 0)
+				return -ENODEV;
+			result = libusb_open((libusb_device_t*)scanner->internal_dev_ptr);
+			break;
+	}
+	if (result == 0)
+		scanner->is_open = 1;
+	return result;
+}
+
+
+int scanbtnd_close(scanner_t* scanner)
+{
+	int result = -ENOSYS;
+	if (!scanner->is_open)
+		return -EINVAL;
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			result = libusb_close((libusb_device_t*)scanner->internal_dev_ptr);
+			break;
+	}
+	if (result == 0)
+		scanner->is_open = 0;
+	return result;
+}
+
+
+int snapscan_read(scanner_t* scanner, void* buffer, int bytecount)
+{
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			return libusb_read((libusb_device_t*)scanner->internal_dev_ptr, 
+				buffer, bytecount);
+			break;
+	}
+	return -1;
+}
+
+
+int snapscan_write(scanner_t* scanner, void* buffer, int bytecount)
+{
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			return libusb_write((libusb_device_t*)scanner->internal_dev_ptr, 
+				buffer, bytecount);
+			break;
+	}
+	return -1;
+}
+
+void snapscan_flush(scanner_t* scanner)
+{
+	switch (scanner->connection) {
+		case CONNECTION_LIBUSB:
+			libusb_flush((libusb_device_t*)scanner->internal_dev_ptr);
+			break;
+	}
+}
+
+
+
+int scanbtnd_get_button(scanner_t* scanner)
+{
+	unsigned char bytes[255];
+	int num_bytes;
+	int button = 0;
+
+	bytes[0] = 0x03;
+	bytes[1] = 0x00;
+	bytes[2] = 0x00;
+	bytes[3] = 0x00;
+	bytes[4] = 0x14;
+	bytes[5] = 0x00;
+
+	if (!scanner->is_open)
+		return -EINVAL;
+
+	num_bytes = snapscan_write(scanner, (void*)bytes, 6);
+	if (num_bytes != 6) {
+		snapscan_flush(scanner);
+		return 0;
+	}
+
+	num_bytes = snapscan_read(scanner, (void*)bytes, 8);
+	if (num_bytes != 8 || bytes[0] != 0xF9) {
+		snapscan_flush(scanner);
+		return 0;
+	}
+
+	num_bytes = snapscan_read(scanner, (void*)bytes, 20);
+	if (num_bytes != 20 || bytes[0] != 0xF0) {
+		snapscan_flush(scanner); 
+		return 0;
+	}
+	if (bytes[2] == 0x06) {
+		switch (bytes[18] & 0xF0) {
+			case 0x10: button = 1; break;
+			case 0x20: button = 2; break;
+			case 0x40: button = 3; break;
+			case 0x80: button = 4; break;
+			default: button = 0; break;
+		}
+	}
+
+	num_bytes = snapscan_read(scanner, (void*)bytes, 8);
+	if (num_bytes != 8 || bytes[0] != 0xFB) {
+		snapscan_flush(scanner);
+		return 0;
+	}
+
+	return button;
+}
+
+
+const char* scanbtnd_get_sane_device_descriptor(scanner_t* scanner)
+{
+	return scanner->sane_device;
+}
+
+
+int scanbtnd_exit(void)
+{
+	syslog(LOG_INFO, "snapscan-backend: exit");
+	snapscan_detach_scanners();
+	libusb_exit(libusb_handle);
+	return 0;
+}
+

src/scanbuttond-0.2.3/backends/snapscan.h

+// snapscan.h: Snapscan device backend
+// This file is part of scanbuttond.
+// Copyleft )c( 2005 by Bernhard Stiftner
+// Thanks to J. Javier Maestro for sniffing the button codes ;-)
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#ifndef __SNAPSCAN_H_INCLUDED
+#define __SNAPSCAN_H_INCLUDED
+
+#include "scanbuttond/backend.h"
+
+#endif

src/scanbuttond-0.2.3/configure.in

+AC_INIT([scanbuttond], [0.2.3], [root84@users.soureforge.net])
+AC_CONFIG_HEADERS([include/scanbuttond/config.h])
+AM_INIT_AUTOMAKE
+
+AC_DISABLE_STATIC
+
+AC_LANG_C
+AC_PROG_CC
+AC_PROG_LIBTOOL
+
+AC_CHECK_HEADERS(errno.h string.h syslog.h unistd.h dlfcn.h usb.h)
+
+CFLAGS="${CFLAGS} -DCFG_DIR=\$(pkgsysconfdir) -DLIB_DIR=\$(libdir)"
+
+AC_OUTPUT(Makefile contrib/Makefile interface/Makefile backends/Makefile scripts/Makefile)

src/scanbuttond-0.2.3/contrib/Makefile.am

+EXTRA_DIST = initscript.gentoo

src/scanbuttond-0.2.3/contrib/Makefile.in

+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+top_builddir = ..
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+INSTALL = @INSTALL@
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = contrib
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/include/scanbuttond/config.h
+CONFIG_CLEAN_FILES =
+SOURCES =
+DIST_SOURCES =
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMDEP_FALSE = @AMDEP_FALSE@
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+AMTAR = @AMTAR@
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+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
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+CFLAGS = @CFLAGS@
+CPP = @CPP@
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+CXX = @CXX@
+CXXCPP = @CXXCPP@
+CXXDEPMODE = @CXXDEPMODE@
+CXXFLAGS = @CXXFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+ECHO = @ECHO@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
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+EXEEXT = @EXEEXT@
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+FFLAGS = @FFLAGS@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_F77 = @ac_ct_F77@
+ac_ct_RANLIB = @ac_ct_RANLIB@
+ac_ct_STRIP = @ac_ct_STRIP@
+am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
+am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
+am__fastdepCXX_FALSE = @am__fastdepCXX_FALSE@
+am__fastdepCXX_TRUE = @am__fastdepCXX_TRUE@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+datadir = @datadir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+EXTRA_DIST = initscript.gentoo
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  contrib/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  contrib/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+	-rm -f libtool
+uninstall-info-am:
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+	list='$(DISTFILES)'; for file in $$list; do \
+	  case $$file in \
+	    $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+	    $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+	  esac; \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+	    dir="/$$dir"; \
+	    $(mkdir_p) "$(distdir)$$dir"; \
+	  else \
+	    dir=''; \
+	  fi; \
+	  if test -d $$d/$$file; then \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-libtool
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-exec-am:
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-info-am
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	distclean distclean-generic distclean-libtool distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-exec install-exec-am \
+	install-info install-info-am install-man install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am \
+	uninstall-info-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

src/scanbuttond-0.2.3/contrib/initscript.gentoo

+#!/sbin/runscript
+# scanbuttond init script for Gentoo
+# copy it to /etc/init.d/scanbuttond
+#
+# Copyright 2005 by Bernhard Stiftner
+# Distributed under the terms of the GNU General Public License v2
+
+depend() {
+	need hotplug
+}
+
+start() {
+	ebegin "Starting scanner button daemon"
+	start-stop-daemon --chuid scanner:scanner --start --quiet --exec /usr/local/bin/scanbuttond
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping scanner button daemon"
+	start-stop-daemon --stop --quiet --exec /usr/local/bin/scanbuttond
+	eend $?
+}

src/scanbuttond-0.2.3/depcomp

+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2005-07-09.11
+
+# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by `PROGRAMS ARGS'.
+  object      Object file output by `PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputing dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+   # This is just like dashmstdout with a different argument.
+   dashmflag=-xM
+   depmode=dashmstdout
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+## The second -e expression handles DOS-style file names with drive letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the `deleted header file' problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+  tr ' ' '
+' < "$tmpdepfile" |
+## Some versions of gcc put a space before the `:'.  On the theory
+## that the space means something, we add a space to the output as
+## well.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like `#:fec' to the end of the
+    # dependency line.
+    tr ' ' '
+' < "$tmpdepfile" \
+    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
+    tr '
+' ' ' >> $depfile
+    echo >> $depfile
+
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' '
+' < "$tmpdepfile" \
+   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+   >> $depfile
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
+  tmpdepfile="$stripped.u"
+  if test "$libtool" = yes; then
+    "$@" -Wc,-M
+  else
+    "$@" -M
+  fi
+  stat=$?
+
+  if test -f "$tmpdepfile"; then :
+  else
+    stripped=`echo "$stripped" | sed 's,^.*/,,'`
+    tmpdepfile="$stripped.u"
+  fi
+
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+
+  if test -f "$tmpdepfile"; then
+    outname="$stripped.o"
+    # Each line is of the form `foo.o: dependent.h'.
+    # Do two passes, one to just change these to
+    # `$object: dependent.h' and one to simply `dependent.h:'.
+    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
+    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
+  else
+    # The sourcefile does not contain any dependencies, so just
+    # store a dummy comment line, to avoid errors with the Makefile
+    # "include basename.Plo" scheme.
+    echo "#dummy" > "$depfile"
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+icc)
+  # Intel's C compiler understands `-MD -MF file'.  However on
+  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+  # ICC 7.0 will fill foo.d with something like
+  #    foo.o: sub/foo.c
+  #    foo.o: sub/foo.h
+  # which is wrong.  We want:
+  #    sub/foo.o: sub/foo.c
+  #    sub/foo.o: sub/foo.h
+  #    sub/foo.c:
+  #    sub/foo.h:
+  # ICC 7.1 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using \ :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
+  else
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+    sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+tru64)
+   # The Tru64 compiler uses -MD to generate dependencies as a side
+   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
+   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+   # dependencies in `foo.d' instead, so we check for that too.
+   # Subdirectories are respected.
+   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+   test "x$dir" = "x$object" && dir=
+   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+
+   if test "$libtool" = yes; then
+      # With Tru64 cc, shared objects can also be used to make a
+      # static library.  This mecanism is used in libtool 1.4 series to
+      # handle both shared and static libraries in a single compilation.
+      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
+      #
+      # With libtool 1.5 this exception was removed, and libtool now
+      # generates 2 separate objects for the 2 libraries.  These two
+      # compilations output dependencies in in $dir.libs/$base.o.d and
+      # in $dir$base.o.d.  We have to check for both files, because
+      # one of the two compilations can be disabled.  We should prefer
+      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+      # automatically cleaned when .libs/ is deleted, while ignoring
+      # the former would cause a distcleancheck panic.
+      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
+      tmpdepfile2=$dir$base.o.d          # libtool 1.5
+      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
+      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
+      "$@" -Wc,-MD
+   else
+      tmpdepfile1=$dir$base.o.d
+      tmpdepfile2=$dir$base.d
+      tmpdepfile3=$dir$base.d
+      tmpdepfile4=$dir$base.d
+      "$@" -MD
+   fi
+
+   stat=$?
+   if test $stat -eq 0; then :
+   else
+      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+      exit $stat
+   fi
+
+   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+   do
+     test -f "$tmpdepfile" && break
+   done
+   if test -f "$tmpdepfile"; then
+      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+      # That's a tab and a space in the [].
+      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+   else
+      echo "#dummy" > "$depfile"
+   fi
+   rm -f "$tmpdepfile"
+   ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for `:'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+  "$@" $dashmflag |
+    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  tr ' ' '
+' < "$tmpdepfile" | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no
+  for arg in "$@"; do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix="`echo $object | sed 's/^.*\././'`"
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  sed '1,2d' "$tmpdepfile" | tr ' ' '
+' | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test $1 != '--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove `-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E |
+    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
+    sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o,
+  # because we must use -o when running libtool.
+  "$@" || exit $?
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+	set fnord "$@"
+	shift
+	shift
+	;;
+    *)
+	set fnord "$@" "$arg"
+	shift
+	shift
+	;;
+    esac
+  done
+  "$@" -E |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
+  echo "	" >> "$depfile"
+  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:

src/scanbuttond-0.2.3/include/scanbuttond/backend.h

+// backend.h: specification of the mandatory backend functions
+// This file is part of scanbuttond.
+// Copyleft )c( 2004-2005 by Bernhard Stiftner
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#ifndef __BACKEND_H_INCLUDED
+#define __BACKEND_H_INCLUDED
+
+#include "scanbuttond/scanbuttond.h"
+
+/**
+ * \file backend.h
+ * \brief Backend function specification.
+ *
+ * This file specifies which functions a scanbuttond backend has to
+ * provide and how it is supposed to interact with with the rest
+ * of the system.
+ */
+
+/**
+ * Gets the name of this backend.
+ * \return the backend name
+ */
+const char* scanbtnd_get_backend_name(void);
+
+/**
+ * Initializes the backend.
+ * This function makes the backend ready to operate and searches for supported
+ * devices (see scanbtnd_get_supported_devices()).
+ * \return 0 if successful, <0 otherwise
+ */
+int scanbtnd_init(void);
+
+/**
+ * Refreshes the list of supported devices.
+ * After this function has been called, scanbtnd_get_supported_devices() 
+ * should only return devices which are currently present on this system.
+ * \return 0 if successful, <0 otherwise
+ */
+int scanbtnd_rescan(void);
+
+/**
+ * Returns a list of devices which are currently driven by this backend.
+ * The devices are stored in a single-linked list.
+ * Note that the device list does not automagically refresh after pluggin in or
+ * unplugging a device. You have to explicitly call scanbtnd_rescan() to do
+ * that.
+ * \return a linked list of supported scanner devices
+ */
+const scanner_t* scanbtnd_get_supported_devices(void);
+
+/**
+ * Opens the given scanner device.
+ * This function must be called before using scanbtnd_get_button().
+ * After calling this function, it is usually not possible for another process
+ * to access the scanner until scanbtnd_close() is called.
+ * \param scanner the scanner device to be opened
+ * \return 0 if successful, <0 otherwise
+ * \retval -ENODEV if the device is no longer present (or the device list has to 
+ *         be refreshed). In this case, call scanbtnd_rescan() and try again.
+ * \retval -EBUSY if the device is currently used by another process.
+ * \retval -EINVAL if the device is already open
+ * \retval -ENOSYS if there is no connection method to communicate with the device
+ */
+int scanbtnd_open(scanner_t* scanner);
+
+/**
+ * Closes the given scanner device.
+ * This function must be called when you've finished querying the scanner button
+ * status using scanbtnd_get_button().
+ * After calling this function, other processes may access the device again.
+ * \param scanner the scanner device to be closed
+ * \return 0 if successful, <0 otherwise
+ * \retval -EINVAL if the device is already closed
+ * \retval -ENOSYS if there is no connection method to communicate with the device
+ */
+int scanbtnd_close(scanner_t* scanner);
+
+/**
+ * Queries the scanner's button status.
+ * \param scanner the scanner device
+ * \return the number of the currently pressed button, 0 if no button is currently
+ * pressed, or <0 if there was an error.
+ * \retval -EINVAL if the scanner device has not been opened before
+ */
+int scanbtnd_get_button(scanner_t* scanner);
+
+/**
+ * Gets the SANE device name of this scanner.
+ * The returned string should look like "epson:libusb:003:017".
+ * \param scanner the scanner device
+ * \return the SANE device name, or NULL if the SANE device name cannot be determined.
+ */
+const char* scanbtnd_get_sane_device_descriptor(scanner_t* scanner);
+
+/**
+ * Shuts down this backend.
+ * Cleans up some internal data structures and frees some memory.
+ * \return 0 if successful, <0 otherwise
+ */
+int scanbtnd_exit(void);
+
+#endif

src/scanbuttond-0.2.3/include/scanbuttond/common.h

+// common.h: useful stuff
+// This file is part of scanbuttond.
+// Copyleft )c( 2006 by Bernhard Stiftner
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#ifndef __COMMON_H_INCLUDED
+#define __COMMON_H_INCLUDED
+
+#define STRINGIFY1(x)                   #x
+#define STRINGIFY(x)                    STRINGIFY1(x)
+
+#endif

src/scanbuttond-0.2.3/interface/Makefile.am

+lib_LTLIBRARIES = libscanbtnd-interface_usb.la
+libscanbtnd_interface_usb_la_SOURCES = libusbi.c ../include/scanbuttond/libusbi.h
+libscanbtnd_interface_usb_la_LDFLAGS = -lusb -version-info 1:0:0
+
+INCLUDES = $(all_includes) -I$(top_builddir)/include -I.