* Wrote a "screenmode" application that can be used to get and set the current
screen mode from the command line. * With its "--fall-back" parameter, it's also thought to be called from BWindow when a specific shortcut has been pressed (similar to screenshots) - this part is not implemented yet. Anyone against <Command><Control>-<Escape>? * Added it to the image. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26150 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
@@ -39,7 +39,7 @@ BEOS_BIN = "[" addattr alert arp base64 basename bc beep bootman bzip2 cal cat
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mount_nfs mountvolume mv nc netstat nl nohup od open passwd paste patch
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pathchk pc ping play playfile playsound playwav pr prio printenv printf ps
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ptx pwd query quit rc readlink release renice rescan rlog rm rmattr rmindex
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rmdir roster route safemode screen_blanker sed setdecor settype setversion
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rmdir roster route safemode screen_blanker screenmode sed setdecor settype setversion
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setvolume seq sh sha1sum shar shred shuf shutdown sleep sort split stat
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strace stty su sum sync sysinfo tac tail tar tcpdump tcptester tee telnet
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telnetd test top touch tput tr traceroute
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@@ -204,6 +204,7 @@ SubInclude HAIKU_TOP src bin playsound ;
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SubInclude HAIKU_TOP src bin rc ;
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SubInclude HAIKU_TOP src bin rmd160 ;
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SubInclude HAIKU_TOP src bin screen_blanker ;
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SubInclude HAIKU_TOP src bin screenmode ;
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SubInclude HAIKU_TOP src bin sed ;
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SubInclude HAIKU_TOP src bin sharutils ;
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SubInclude HAIKU_TOP src bin strace ;
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@@ -0,0 +1,22 @@
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SubDir HAIKU_TOP src bin screenmode ;
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SetSubDirSupportedPlatformsBeOSCompatible ;
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UsePrivateHeaders [ FDirName graphics radeon ] ;
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# for multimon.h
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SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src preferences screen ] ;
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BinCommand screenmode :
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screenmode.cpp
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# from Screen preferences
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ScreenMode.cpp
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multimon.cpp
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: be
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;
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#SEARCH on [ FGristFiles
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# ScreenMode.cpp
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# ] = [ FDirName $(HAIKU_TOP) src preferences screen ] ;
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@@ -0,0 +1,187 @@
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/*
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* Copyright 2008, Axel Dörfler, [email protected].
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* Distributed under the terms of the MIT License.
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*/
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <Alert.h>
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#include <Application.h>
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#include <Screen.h>
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#include "ScreenMode.h"
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static struct option const kLongOptions[] = {
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{"fall-back", no_argument, 0, 'f'},
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{"short", no_argument, 0, 's'},
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{"help", no_argument, 0, 'h'},
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{NULL}
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};
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extern const char *__progname;
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static const char *kProgramName = __progname;
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static color_space
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color_space_for_depth(int32 depth)
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{
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switch (depth) {
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case 8:
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return B_CMAP8;
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case 15:
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return B_RGB15;
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case 16:
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return B_RGB16;
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case 24:
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return B_RGB24;
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case 32:
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default:
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return B_RGB32;
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}
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}
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static void
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usage(int status)
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{
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fprintf(stderr,
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"Usage: %s [options] <mode>\n"
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"Sets the specified screen mode. When no screen mode has been chosen,\n"
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"the current one is printed. <mode> takes the form: <width> <height>\n"
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"<depth> <refresh-rate>, or <width>x<height>, etc.\n"
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" --fall-back\tchanges to the standard fallback mode, and displays a\n"
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"\t\t\tnotification requester.\n"
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" -s --short\t\twhen no mode is given the current screen mode is\n"
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"\t\t\tprinted in short form.\n",
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kProgramName);
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exit(status);
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}
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int
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main(int argc, char** argv)
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{
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bool fallbackMode = false;
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bool setMode = false;
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bool shortOutput = false;
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int width = -1;
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int height = -1;
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int depth = -1;
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float refresh = -1;
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// TODO: add a possibility to set a virtual screen size in addition to
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// the display resolution!
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int c;
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while ((c = getopt_long(argc, argv, "sh", kLongOptions, NULL)) != -1) {
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switch (c) {
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case 0:
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break;
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case 'f':
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fallbackMode = true;
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setMode = true;
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break;
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case 's':
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shortOutput = true;
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break;
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case 'h':
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usage(0);
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break;
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default:
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usage(1);
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break;
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}
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}
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if (argc - optind > 0) {
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int depthIndex = -1;
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// arguments to specify the mode are following
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int parsed = sscanf(argv[optind], "%dx%dx%d", &width, &height, &depth);
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if (parsed == 2)
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depthIndex = optind + 1;
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else if (parsed == 1) {
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if (argc - optind > 1) {
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height = strtol(argv[optind + 1], NULL, 0);
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depthIndex = optind + 2;
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} else
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usage(1);
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} else if (parsed != 3)
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usage(1);
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if (depthIndex > 0 && depthIndex < argc)
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depth = strtol(argv[depthIndex], NULL, 0);
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if (depthIndex + 1 < argc)
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refresh = strtod(argv[depthIndex + 1], NULL);
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setMode = true;
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}
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BApplication application("application/x-vnd.Haiku-screenmode");
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ScreenMode screenMode(NULL);
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screen_mode currentMode;
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screenMode.Get(currentMode);
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if (!setMode) {
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const char* format = shortOutput
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? "%ld %ld %ld %g\n" : "Resolution: %ld %ld, %ld bits, %g Hz\n";
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printf(format, currentMode.width, currentMode.height,
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currentMode.BitsPerPixel(), currentMode.refresh);
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return 0;
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}
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screen_mode newMode = currentMode;
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if (fallbackMode) {
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if (currentMode.width == 800 && currentMode.height == 600) {
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newMode.width = 640;
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newMode.height = 480;
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newMode.space = B_CMAP8;
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newMode.refresh = 60;
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} else {
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newMode.width = 800;
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newMode.height = 600;
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newMode.space = B_RGB16;
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newMode.refresh = 60;
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}
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} else {
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newMode.width = width;
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newMode.height = height;
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if (depth != -1)
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newMode.space = color_space_for_depth(depth);
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else
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newMode.space = B_RGB32;
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if (refresh > 0)
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newMode.refresh = refresh;
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else
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newMode.refresh = 60;
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}
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status_t status = screenMode.Set(newMode);
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if (status != B_OK) {
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fprintf(stderr, "%s: Could not set screen mode %ldx%ldx%ldx: %s\n",
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kProgramName, newMode.width, newMode.height, newMode.BitsPerPixel(),
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strerror(status));
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return 1;
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}
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if (fallbackMode) {
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// display notification requester
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BAlert* alert = new BAlert("screenmode",
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"You have used the shortcut <Command><Ctrl><Escape> to reset the "
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"screen mode to a safe fallback.", "Keep", "Revert");
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if (alert->Go() == 1)
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screenMode.Revert();
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}
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return 0;
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}
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