Splitted xorriso.c and xorrisoburn.c into smaller source modules
This commit is contained in:
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libisoburn/trunk/xorriso/xorriso_main.c
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229
libisoburn/trunk/xorriso/xorriso_main.c
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/*
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( cd .. ; libisoburn-develop/xorriso/compile_xorriso.sh -g )
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*/
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/* Command line oriented batch and dialog tool which creates, loads,
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manipulates and burns ISO 9660 filesystem images.
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Copyright 2007-2010 Thomas Schmitt, <scdbackup@gmx.net>
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Initial code of this program was derived from program src/askme.c out
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of scdbackup-0.8.8, Copyright 2007 Thomas Schmitt, BSD-License.
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Provided under GPL version 2 or later, with the announcement that this
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might get changed in future. I would prefer BSD or LGPL as soon as the
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license situation of the library code allows that.
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(This announcement affects only future releases of xorriso and it will
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always be possible to derive a GPLv2+ from the future license.)
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There is a derived package "GNU xorriso" under GPLv3+ which combines the
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libburnia libraries and program xorriso to a statically linked binary.
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Overview of xorriso architecture:
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libburn provides the ability to read and write data.
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libisofs interprets and manipulates ISO 9660 directory trees. It generates
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the output stream which is handed over to libburn.
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libisoburn encapsulates the connectivity issues between libburn and
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libisofs. It also enables multi-session emulation on overwritable media
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and random access file objects.
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xorriso is intended as reference application of libisoburn.
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xorriso.h exposes the public functions of xorriso which are intended
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to be used by programs which link with xorriso.o. These functions are
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direct equivalents of the xorriso interpreter commands.
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There is also the API for handling event messages.
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The source is divided in two groups:
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A set of source modules interacts with the libraries:
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base_obj.[ch] fundamental operations of the XorrisO object
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lib_mgt.[ch] manages the relation between xorriso and the libraries
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drive_mgt.[ch] operates on drives and media
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iso_img.[ch] operates on ISO images and their global properties
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iso_tree.[ch] access nodes of the libisofs tree model
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iso_manip.[ch] manipulates the libisofs tree model
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sort_cmp.[ch] sorts and compare tree nodes
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write_run.[ch] functions to write sessions
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read_run.[ch] functions to read data from ISO image
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filters.[ch] operates on data filter objects
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xorrisoburn.h declarations needed by the non-library modules
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Another set is independent of the liburnia libraries:
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parse_exec.c deals with parsing and interpretation of command input
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sfile.c functions around files and strings
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aux_objects.c various helper classes
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misc_funct.c miscellaneous helper functions
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findjob.c performs tree searches in libisofs or in POSIX filesystem
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check_media.c perform verifying runs on media resp. images
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text_io.c text i/o functions
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match.c functions for pattern matching
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emulators.c emulators for mkisofs and cdrecord
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disk_ops.c actions on onjects of disk filesystems
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cmp_update.c compare or update files between disk filesystem and
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ISO filesystem
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opts_a_c.c options -a* to -c*
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opts_d_h.c options -d* to -h*
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opts_i_o.c options -i* to -o*
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opts_p_z.c options -p* to -z*
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xorriso_main.c the main program
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xorriso_private.h contains the definition of struct Xorriso and for
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convenience includes the .h files of the non-library group.
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*/
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/* This may be changed to Xorriso_GNU_xorrisO in order to create GNU xorriso */
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#define Xorriso_libburnia_xorrisO yes
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#include <ctype.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <locale.h>
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/* The official xorriso options API. "No shortcuts" */
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#include "xorriso.h"
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#ifdef Xorriso_without_subS
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/* xorriso consists only of a main() stub which has an own version to match
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the version of libxorriso header and runtime code.
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*/
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#define Xorriso_main_program_versioN "0.5.7"
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#else /* Xorriso_without_subS */
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/* Make sure that both version tests always match. */
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#define Xorriso_main_program_versioN Xorriso_program_versioN
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#endif /* ! Xorriso_without_subS */
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static void yell_xorriso()
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{
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fprintf(stderr,
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"%sxorriso %s%s : RockRidge filesystem manipulator, libburnia project.\n\n",
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#ifdef Xorriso_GNU_xorrisO
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"GNU ",
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#else
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"",
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#endif
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Xorriso_main_program_versioN, Xorriso_program_patch_leveL);
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}
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int main(int argc, char **argv)
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{
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int ret, i;
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struct XorrisO *xorriso= NULL;
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char **orig_argv= NULL;
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if(strcmp(Xorriso_main_program_versioN, Xorriso_program_versioN)) {
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yell_xorriso();
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fprintf(stderr,
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"xorriso : FATAL : libxorriso compile time version mismatch. Found %s\n\n",
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Xorriso_program_versioN);
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exit(4);
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}
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if(strcmp(Xorriso_program_versioN, Xorriso__get_version_text(0))) {
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yell_xorriso();
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fprintf(stderr,
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"xorriso : FATAL : libxorriso runtime version mismatch. Found %s\n\n",
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Xorriso__get_version_text(0));
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exit(4);
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}
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if(argc < 2) {
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yell_xorriso();
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fprintf(stderr,"usage : %s [options]\n", argv[0]);
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fprintf(stderr, " More is told by option -help\n");
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exit(2);
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}
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setlocale(LC_CTYPE, "");
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ret= Xorriso_new(&xorriso, argv[0], 0);
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if(ret <= 0) {
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fprintf(stderr,"Creation of XorrisO object failed. (not enough memory ?)\n");
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exit(3);
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}
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/* The prescan of arguments performs actions which have to happen before
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the normal processing of startup files and arguments.
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*/
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ret= Xorriso_prescan_args(xorriso,argc,argv,0);
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if(ret == 0)
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goto end_sucessfully;
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if(ret < 0)
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exit(5);
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yell_xorriso();
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/* The following functions are allowed only after this initialization */
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ret= Xorriso_startup_libraries(xorriso, 0);
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if(ret <= 0)
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{ret= 4; goto emergency_exit;}
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Xorriso_process_msg_queues(xorriso, 0);
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/* Interpret startup files */
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ret= Xorriso_read_rc(xorriso, 0);
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if(ret == 3)
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goto end_sucessfully;
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if(ret <= 0)
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{ret= 5; goto emergency_exit;}
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/* Interpret program arguments */
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orig_argv= argv;
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ret= Xorriso_program_arg_bsl(xorriso, argc, &argv, 0);
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if(ret <= 0)
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{ret= 5; goto emergency_exit;}
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i= 1;
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ret= Xorriso_interpreter(xorriso, argc, argv, &i, 2);
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if(ret == 3)
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goto end_sucessfully;
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if(ret <= 0)
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{ret= 5; goto emergency_exit;}
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/* Enter dialog mode if it has been activated meanwhile */
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ret= Xorriso_dialog(xorriso, 0);
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if(ret <= 0)
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{ret= 6; goto emergency_exit;}
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end_sucessfully:; /* normal shutdown, including eventual -commit */
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Xorriso_process_msg_queues(xorriso, 0);
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if(Xorriso_change_is_pending(xorriso, 0))
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Xorriso_option_end(xorriso, 2);
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Xorriso_process_msg_queues(xorriso, 0);
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ret= Xorriso_make_return_value(xorriso, 0);
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Xorriso_process_errfile(xorriso, 0, "xorriso end", 0, 1);
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Xorriso_destroy(&xorriso, 1);
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if(orig_argv != argv && orig_argv != NULL) {
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for(i= 0; i < argc; i++)
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if(argv[i] != NULL)
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free(argv[i]);
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free(argv);
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}
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exit(ret);
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emergency_exit:;
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if(xorriso != NULL) { /* minimal shutdown */
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Xorriso_process_msg_queues(xorriso, 0);
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Xorriso_destroy(&xorriso, 1);
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}
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exit(ret);
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}
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