468 lines
12 KiB
C
468 lines
12 KiB
C
/*
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* Option processing and main()
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*
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* Copyright 2000 Jon Griffiths
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "winedump.h"
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_globals globals; /* All global variables */
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static void do_include (const char *arg)
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{
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globals.directory = arg;
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globals.do_code = 1;
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}
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static inline const char* strip_ext (const char *str)
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{
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char *ext = strstr(str, ".dll");
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if (ext)
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return str_substring (str, ext);
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else
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return strdup (str);
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}
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static void do_name (const char *arg)
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{
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globals.dll_name = strip_ext (arg);
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}
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static void do_spec (const char *arg)
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{
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if (globals.mode != NONE) fatal("Only one mode can be specified\n");
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globals.mode = SPEC;
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}
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static void do_demangle (const char *arg)
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{
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if (globals.mode != NONE) fatal("Only one mode can be specified\n");
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globals.mode = DMGL;
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globals.do_code = 1;
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}
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static void do_dump (const char *arg)
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{
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if (globals.mode != NONE) fatal("Only one mode can be specified\n");
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globals.mode = DUMP;
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globals.do_code = 1;
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}
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static void do_code (void)
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{
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globals.do_code = 1;
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}
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static void do_trace (void)
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{
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globals.do_trace = 1;
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globals.do_code = 1;
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}
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static void do_forward (const char *arg)
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{
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globals.forward_dll = arg;
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globals.do_trace = 1;
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globals.do_code = 1;
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}
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static void do_document (void)
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{
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globals.do_documentation = 1;
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}
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static void do_cdecl (void)
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{
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globals.do_cdecl = 1;
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}
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static void do_quiet (void)
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{
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globals.do_quiet = 1;
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}
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static void do_start (const char *arg)
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{
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globals.start_ordinal = atoi (arg);
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if (!globals.start_ordinal)
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fatal ("Invalid -s option (must be numeric)");
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}
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static void do_end (const char *arg)
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{
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globals.end_ordinal = atoi (arg);
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if (!globals.end_ordinal)
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fatal ("Invalid -e option (must be numeric)");
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}
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static void do_symfile (const char *arg)
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{
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FILE *f;
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char symstring[256]; /* keep count with "%<width>s" below */
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search_symbol *symbolp,**symbolptail = &globals.search_symbol;
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if (!(f = fopen(arg, "rt")))
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fatal ("Cannot open <symfile>");
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while (1 == fscanf(f, "%255s", symstring)) /* keep count with [<width>] above */
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{
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symstring[sizeof(symstring)-1] = '\0';
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if (!(symbolp = malloc(sizeof(*symbolp) + strlen(symstring))))
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fatal ("Out of memory");
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strcpy(symbolp->symbolname, symstring);
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symbolp->found = 0;
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symbolp->next = NULL;
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*symbolptail = symbolp;
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symbolptail = &symbolp->next;
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}
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if (fclose(f))
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fatal ("Cannot close <symfile>");
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}
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static void do_verbose (void)
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{
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globals.do_verbose = 1;
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}
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static void do_symdmngl (void)
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{
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globals.do_demangle = 1;
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}
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static void do_dumphead (void)
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{
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globals.do_dumpheader = 1;
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}
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static void do_dumpsect (const char* arg)
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{
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globals.dumpsect = arg;
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}
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static void do_dumpall(void)
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{
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globals.do_dumpheader = 1;
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globals.dumpsect = "ALL";
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}
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struct option
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{
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const char *name;
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Mode mode;
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int has_arg;
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void (*func) ();
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const char *usage;
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};
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static const struct option option_table[] = {
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{"-h", NONE, 0, do_usage, "-h Display this help message"},
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{"sym", DMGL, 0, do_demangle, "sym <sym> Demangle C++ symbol <sym> and exit"},
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{"spec", SPEC, 0, do_spec, "spec <dll> Use dll for input file and generate implementation code"},
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{"-I", SPEC, 1, do_include, "-I dir Look for prototypes in 'dir' (implies -c)"},
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{"-c", SPEC, 0, do_code, "-c Generate skeleton code (requires -I)"},
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{"-t", SPEC, 0, do_trace, "-t TRACE arguments (implies -c)"},
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{"-f", SPEC, 1, do_forward, "-f dll Forward calls to 'dll' (implies -t)"},
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{"-D", SPEC, 0, do_document, "-D Generate documentation"},
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{"-o", SPEC, 1, do_name, "-o name Set the output dll name (default: dll)"},
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{"-C", SPEC, 0, do_cdecl, "-C Assume __cdecl calls (default: __stdcall)"},
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{"-s", SPEC, 1, do_start, "-s num Start prototype search after symbol 'num'"},
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{"-e", SPEC, 1, do_end, "-e num End prototype search after symbol 'num'"},
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{"-S", SPEC, 1, do_symfile, "-S symfile Search only prototype names found in 'symfile'"},
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{"-q", SPEC, 0, do_quiet, "-q Don't show progress (quiet)."},
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{"-v", SPEC, 0, do_verbose, "-v Show lots of detail while working (verbose)."},
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{"dump", DUMP, 0, do_dump, "dump <mod> Dumps the content of the module (dll, exe...) named <mod>"},
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{"-C", DUMP, 0, do_symdmngl, "-C Turns on symbol demangling"},
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{"-f", DUMP, 0, do_dumphead, "-f Dumps file header information"},
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{"-j", DUMP, 1, do_dumpsect, "-j sect_name Dumps only the content of section sect_name (import, export, debug, resource, tls)"},
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{"-x", DUMP, 0, do_dumpall, "-x Dumps everything"},
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{NULL, NONE, 0, NULL, NULL}
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};
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void do_usage (void)
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{
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const struct option *opt;
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printf ("Usage: winedump [-h | sym <sym> | spec <dll> | dump <dll>]\n");
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printf ("Mode options (can be put as the mode (sym/spec/dump...) is declared):\n");
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printf ("\tWhen used in -h mode\n");
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for (opt = option_table; opt->name; opt++)
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if (opt->mode == NONE)
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printf ("\t %s\n", opt->usage);
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printf ("\tWhen used in sym mode\n");
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for (opt = option_table; opt->name; opt++)
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if (opt->mode == DMGL)
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printf ("\t %s\n", opt->usage);
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printf ("\tWhen used in spec mode\n");
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for (opt = option_table; opt->name; opt++)
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if (opt->mode == SPEC)
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printf ("\t %s\n", opt->usage);
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printf ("\tWhen used in dump mode\n");
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for (opt = option_table; opt->name; opt++)
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if (opt->mode == DUMP)
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printf ("\t %s\n", opt->usage);
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puts ("\n");
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exit (1);
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}
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/*******************************************************************
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* parse_options
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*
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* Parse options from the argv array
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*/
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static void parse_options (char *argv[])
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{
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const struct option *opt;
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char *const *ptr;
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const char *arg = NULL;
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ptr = argv + 1;
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while (*ptr != NULL)
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{
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for (opt = option_table; opt->name; opt++)
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{
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if (globals.mode != NONE && opt->mode != NONE && globals.mode != opt->mode)
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continue;
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if (((opt->has_arg == 1) && !strncmp (*ptr, opt->name, strlen (opt->name))) ||
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((opt->has_arg == 2) && !strcmp (*ptr, opt->name)))
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{
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arg = *ptr + strlen (opt->name);
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if (*arg == '\0') arg = *++ptr;
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break;
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}
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if (!strcmp (*ptr, opt->name))
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{
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arg = NULL;
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break;
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}
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}
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if (!opt->name)
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{
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if ((*ptr)[0] == '-')
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fatal ("Unrecognized option");
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if (globals.input_name != NULL)
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fatal ("Only one file can be treated at once");
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globals.input_name = *ptr;
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}
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else if (opt->has_arg && arg != NULL)
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opt->func (arg);
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else
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opt->func ("");
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ptr++;
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}
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if (globals.mode == SPEC && globals.do_code && !globals.directory)
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fatal ("-I must be used if generating code");
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if (VERBOSE && QUIET)
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fatal ("Options -v and -q are mutually exclusive");
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}
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static void set_module_name(unsigned setUC)
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{
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const char* ptr;
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char* buf;
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int len;
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/* FIXME: we shouldn't assume all module extensions are .dll in winedump
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* in some cases, we could have some .drv for example
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*/
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/* get module name from name */
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if ((ptr = strrchr (globals.input_name, '/')))
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ptr++;
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else
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ptr = globals.input_name;
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len = strlen(ptr);
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if (len > 4 && strcmp(ptr + len - 4, ".dll") == 0)
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len -= 4;
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buf = malloc(len + 1);
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memcpy(buf, (const void*)ptr, len);
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buf[len] = 0;
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globals.input_module = buf;
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OUTPUT_UC_DLL_NAME = (setUC) ? str_toupper( strdup (OUTPUT_DLL_NAME)) : "";
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}
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/* Marks the symbol as 'found'! */
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/* return: perform-search */
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static int symbol_searched(int count, const char *symbolname)
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{
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search_symbol *search_symbol;
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if (!(count >= globals.start_ordinal
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&& (!globals.end_ordinal || count <= globals.end_ordinal)))
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return 0;
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if (!globals.search_symbol)
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return 1;
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for (search_symbol = globals.search_symbol;
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search_symbol;
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search_symbol = search_symbol->next)
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{
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if (!strcmp(symbolname, search_symbol->symbolname))
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{
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search_symbol->found = 1;
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return 1;
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}
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}
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return 0;
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}
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/* return: some symbols weren't found */
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static int symbol_finish(void)
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{
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const search_symbol *search_symbol;
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int started = 0;
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for (search_symbol = globals.search_symbol;
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search_symbol;
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search_symbol = search_symbol->next)
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{
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if (search_symbol->found)
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continue;
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if (!started)
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{
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/* stderr? not a practice here */
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puts("These requested <symfile> symbols weren't found:");
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started = 1;
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}
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printf("\t%s\n",search_symbol->symbolname);
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}
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return started;
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}
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/*******************************************************************
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* main
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*/
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#ifdef __GNUC__
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int main (int argc __attribute__((unused)), char *argv[])
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#else
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int main (int argc, char *argv[])
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#endif
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{
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parsed_symbol symbol;
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int count = 0;
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globals.mode = NONE;
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globals.forward_dll = NULL;
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globals.input_name = NULL;
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parse_options (argv);
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memset (&symbol, 0, sizeof (parsed_symbol));
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switch (globals.mode)
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{
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case DMGL:
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globals.uc_dll_name = "";
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VERBOSE = 1;
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symbol_init (&symbol, globals.input_name);
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globals.input_module = "";
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if (symbol_demangle (&symbol) == -1)
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fatal( "Symbol hasn't got a mangled name\n");
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if (symbol.flags & SYM_DATA)
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printf (symbol.arg_text[0]);
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else
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output_prototype (stdout, &symbol);
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fputc ('\n', stdout);
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symbol_clear(&symbol);
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break;
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case SPEC:
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if (globals.input_name == NULL)
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fatal("No file name has been given\n");
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set_module_name(1);
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if (!dll_open (globals.input_name))
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break;
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output_spec_preamble ();
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output_header_preamble ();
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output_c_preamble ();
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while (!dll_next_symbol (&symbol))
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{
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count++;
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if (NORMAL)
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printf ("Export %3d - '%s' ...%c", count, symbol.symbol,
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VERBOSE ? '\n' : ' ');
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if (globals.do_code && symbol_searched(count, symbol.symbol))
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{
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/* Attempt to get information about the symbol */
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int result = symbol_demangle (&symbol);
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if (result)
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result = symbol_search (&symbol);
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if (!result && symbol.function_name)
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/* Clean up the prototype */
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symbol_clean_string (symbol.function_name);
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if (NORMAL)
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puts (result ? "[Not Found]" : "[OK]");
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}
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else if (NORMAL)
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puts ("[Ignoring]");
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output_spec_symbol (&symbol);
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output_header_symbol (&symbol);
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output_c_symbol (&symbol);
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symbol_clear (&symbol);
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}
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output_makefile ();
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output_install_script ();
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if (VERBOSE)
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puts ("Finished, Cleaning up...");
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if (symbol_finish())
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return 1;
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break;
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case NONE:
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do_usage();
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break;
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case DUMP:
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if (globals.input_name == NULL)
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fatal("No file name has been given\n");
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set_module_name(0);
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dump_file(globals.input_name);
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break;
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}
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return 0;
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}
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