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/*

  Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.

  See the accompanying file LICENSE, version 2000-Apr-09 or later

  (the contents of which are also included in unzip.h) for terms of use.

  If, for some reason, all these files are missing, the Info-ZIP license

  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html

*/

/* Write out a fragment of assembly or C preprocessor source giving offsets

 * in "Uz_Globs" and "struct huft".  Used by Amiga and Human68k ports.

 */

#define UNZIP_INTERNAL

#include "unzip.h"

#include "crypt.h"

#ifndef REENTRANT

  Uz_Globs G;

#endif

static int asm_setflag(const char *flagname);

static int ccp_setflag(const char *flagname);

static int asm_setflag(const char *flagname)

{

    static const char asm_flagdef[] = "   IFND %s\n%-15s EQU     1\n   ENDC\n";

    return printf(asm_flagdef, flagname, flagname);

}

static int ccp_setflag(const char *flagname)

{

    static const char ccp_flagdef[] = "#ifndef %s\n#  define %s\n#endif\n";

    return printf(ccp_flagdef, flagname, flagname);

}

int main(argc, argv)

    int argc;

    char **argv;

{

#ifdef REENTRANT

    Uz_Globs *pG = NULL;

#endif

    struct huft *t = NULL;

    static const char asm_offsdef[] = "%-15s EQU     %lu\n";

    static const char ccp_offsdef[] = "#define %-15s %lu\n";

    const char *out_format;

    int (*set_flag)(const char *flagname);

    int ccp_select = 0;

    if (argc > 1 && argv[1] != NULL && !strcmp(argv[1], "-ccp"))

      ccp_select = 1;

    if (ccp_select) {

        out_format = ccp_offsdef;

        set_flag = ccp_setflag;

    } else {

        out_format = asm_offsdef;

        set_flag = asm_setflag;

    }

    printf(out_format, "h_e", (ulg)&t->e - (ulg)t);

    printf(out_format, "h_b", (ulg)&t->b - (ulg)t);

    printf(out_format, "h_v_n", (ulg)&t->v.n - (ulg)t);

    printf(out_format, "h_v_t", (ulg)&t->v.t - (ulg)t);

    printf(out_format, "SIZEOF_huft", (ulg)sizeof(struct huft));

    printf(out_format, "bb", (ulg)&G.bb - (ulg)&G);

    printf(out_format, "bk", (ulg)&G.bk - (ulg)&G);

    printf(out_format, "wp", (ulg)&G.wp - (ulg)&G);

#ifdef FUNZIP

    printf(out_format, "in", (ulg)&G.in - (ulg)&G);

#else

    printf(out_format, "incnt", (ulg)&G.incnt - (ulg)&G);

    printf(out_format, "inptr", (ulg)&G.inptr - (ulg)&G);

    printf(out_format, "csize", (ulg)&G.csize - (ulg)&G);

    printf(out_format, "mem_mode", (ulg)&G.mem_mode - (ulg)&G);

#endif

    printf(out_format, "redirslide", (ulg)&redirSlide - (ulg)&G);

    printf(out_format, "SIZEOF_slide", (ulg)sizeof(redirSlide));

#if (defined(DLL) && !defined(NO_SLIDE_REDIR))

    printf(out_format, "_wsize", (ulg)&G._wsize - (ulg)&G);

#endif /* DLL && !NO_SLIDE_REDIR */

    printf(out_format, "CRYPT", (ulg)CRYPT);

#ifdef FUNZIP

    (*set_flag)("FUNZIP");

#endif

#ifdef SFX

    (*set_flag)("SFX");

#endif

#ifdef REENTRANT

    (*set_flag)("REENTRANT");

#endif

#ifdef DLL

    (*set_flag)("DLL");

# ifdef NO_SLIDE_REDIR

    (*set_flag)("NO_SLIDE_REDIR");

# endif

#endif

#ifdef USE_DEFLATE64

    (*set_flag)("USE_DEFLATE64");

#endif

    return 0;

}