/*
 * This file was generated automatically by ExtUtils::ParseXS version 3.51 from the
 * contents of SHA2.xs. Do not edit this file, edit SHA2.xs instead.
 *
 *    ANY CHANGES MADE HERE WILL BE LOST!
 *
 */

#line 1 "SHA2.xs"
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
#include "_sha2.c"

typedef struct sha2 {
    SHA256_CTX ctx256;
    SHA384_CTX ctx384;
    SHA512_CTX ctx512;
    int digestsize;
    int rounds;
}* Digest__SHA2;

#line 25 "SHA2.c"
#ifndef PERL_UNUSED_VAR
#  define PERL_UNUSED_VAR(var) if (0) var = var
#endif

#ifndef dVAR
#  define dVAR		dNOOP
#endif


/* This stuff is not part of the API! You have been warned. */
#ifndef PERL_VERSION_DECIMAL
#  define PERL_VERSION_DECIMAL(r,v,s) (r*1000000 + v*1000 + s)
#endif
#ifndef PERL_DECIMAL_VERSION
#  define PERL_DECIMAL_VERSION \
	  PERL_VERSION_DECIMAL(PERL_REVISION,PERL_VERSION,PERL_SUBVERSION)
#endif
#ifndef PERL_VERSION_GE
#  define PERL_VERSION_GE(r,v,s) \
	  (PERL_DECIMAL_VERSION >= PERL_VERSION_DECIMAL(r,v,s))
#endif
#ifndef PERL_VERSION_LE
#  define PERL_VERSION_LE(r,v,s) \
	  (PERL_DECIMAL_VERSION <= PERL_VERSION_DECIMAL(r,v,s))
#endif

/* XS_INTERNAL is the explicit static-linkage variant of the default
 * XS macro.
 *
 * XS_EXTERNAL is the same as XS_INTERNAL except it does not include
 * "STATIC", ie. it exports XSUB symbols. You probably don't want that
 * for anything but the BOOT XSUB.
 *
 * See XSUB.h in core!
 */


/* TODO: This might be compatible further back than 5.10.0. */
#if PERL_VERSION_GE(5, 10, 0) && PERL_VERSION_LE(5, 15, 1)
#  undef XS_EXTERNAL
#  undef XS_INTERNAL
#  if defined(__CYGWIN__) && defined(USE_DYNAMIC_LOADING)
#    define XS_EXTERNAL(name) __declspec(dllexport) XSPROTO(name)
#    define XS_INTERNAL(name) STATIC XSPROTO(name)
#  endif
#  if defined(__SYMBIAN32__)
#    define XS_EXTERNAL(name) EXPORT_C XSPROTO(name)
#    define XS_INTERNAL(name) EXPORT_C STATIC XSPROTO(name)
#  endif
#  ifndef XS_EXTERNAL
#    if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
#      define XS_EXTERNAL(name) void name(pTHX_ CV* cv __attribute__unused__)
#      define XS_INTERNAL(name) STATIC void name(pTHX_ CV* cv __attribute__unused__)
#    else
#      ifdef __cplusplus
#        define XS_EXTERNAL(name) extern "C" XSPROTO(name)
#        define XS_INTERNAL(name) static XSPROTO(name)
#      else
#        define XS_EXTERNAL(name) XSPROTO(name)
#        define XS_INTERNAL(name) STATIC XSPROTO(name)
#      endif
#    endif
#  endif
#endif

/* perl >= 5.10.0 && perl <= 5.15.1 */


/* The XS_EXTERNAL macro is used for functions that must not be static
 * like the boot XSUB of a module. If perl didn't have an XS_EXTERNAL
 * macro defined, the best we can do is assume XS is the same.
 * Dito for XS_INTERNAL.
 */
#ifndef XS_EXTERNAL
#  define XS_EXTERNAL(name) XS(name)
#endif
#ifndef XS_INTERNAL
#  define XS_INTERNAL(name) XS(name)
#endif

/* Now, finally, after all this mess, we want an ExtUtils::ParseXS
 * internal macro that we're free to redefine for varying linkage due
 * to the EXPORT_XSUB_SYMBOLS XS keyword. This is internal, use
 * XS_EXTERNAL(name) or XS_INTERNAL(name) in your code if you need to!
 */

#undef XS_EUPXS
#if defined(PERL_EUPXS_ALWAYS_EXPORT)
#  define XS_EUPXS(name) XS_EXTERNAL(name)
#else
   /* default to internal */
#  define XS_EUPXS(name) XS_INTERNAL(name)
#endif

#ifndef PERL_ARGS_ASSERT_CROAK_XS_USAGE
#define PERL_ARGS_ASSERT_CROAK_XS_USAGE assert(cv); assert(params)

/* prototype to pass -Wmissing-prototypes */
STATIC void
S_croak_xs_usage(const CV *const cv, const char *const params);

STATIC void
S_croak_xs_usage(const CV *const cv, const char *const params)
{
    const GV *const gv = CvGV(cv);

    PERL_ARGS_ASSERT_CROAK_XS_USAGE;

    if (gv) {
        const char *const gvname = GvNAME(gv);
        const HV *const stash = GvSTASH(gv);
        const char *const hvname = stash ? HvNAME(stash) : NULL;

        if (hvname)
	    Perl_croak_nocontext("Usage: %s::%s(%s)", hvname, gvname, params);
        else
	    Perl_croak_nocontext("Usage: %s(%s)", gvname, params);
    } else {
        /* Pants. I don't think that it should be possible to get here. */
	Perl_croak_nocontext("Usage: CODE(0x%" UVxf ")(%s)", PTR2UV(cv), params);
    }
}
#undef  PERL_ARGS_ASSERT_CROAK_XS_USAGE

#define croak_xs_usage        S_croak_xs_usage

#endif

/* NOTE: the prototype of newXSproto() is different in versions of perls,
 * so we define a portable version of newXSproto()
 */
#ifdef newXS_flags
#define newXSproto_portable(name, c_impl, file, proto) newXS_flags(name, c_impl, file, proto, 0)
#else
#define newXSproto_portable(name, c_impl, file, proto) (PL_Sv=(SV*)newXS(name, c_impl, file), sv_setpv(PL_Sv, proto), (CV*)PL_Sv)
#endif /* !defined(newXS_flags) */

#if PERL_VERSION_LE(5, 21, 5)
#  define newXS_deffile(a,b) Perl_newXS(aTHX_ a,b,file)
#else
#  define newXS_deffile(a,b) Perl_newXS_deffile(aTHX_ a,b)
#endif

#line 169 "SHA2.c"

XS_EUPXS(XS_Digest__SHA2_new); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Digest__SHA2_new)
{
    dVAR; dXSARGS;
    if (items < 1 || items > 2)
       croak_xs_usage(cv,  "class, hashlength=256");
    {
	int	hashlength;
	Digest__SHA2	RETVAL;

	if (items < 2)
	    hashlength = 256;
	else {
	    hashlength = (int)SvIV(ST(1))
;
	}
#line 23 "SHA2.xs"
    {
        switch (hashlength) {
            case 256:
            case 384:
            case 512:
                break;

            default:
                croak("\nAcceptable hash sizes are 256, 384, and 512 only\n");
                break;
        }

        Newz(0, RETVAL, 1, struct sha2);
        RETVAL->digestsize = hashlength;
        RETVAL->rounds = 1;

        switch (RETVAL->digestsize) {
            case 256:
                SHA256_Init(&RETVAL->ctx256);
                break;

            case 384:
                SHA384_Init(&RETVAL->ctx384);
                break;

            case 512:
                SHA512_Init(&RETVAL->ctx512);
                break;
        }
    }

#line 219 "SHA2.c"
	{
	    SV * RETVALSV;
	    RETVALSV = sv_newmortal();
	    sv_setref_pv(RETVALSV, "Digest::SHA2", (void*)RETVAL);
	    ST(0) = RETVALSV;
	}
    }
    XSRETURN(1);
}


XS_EUPXS(XS_Digest__SHA2_clone); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Digest__SHA2_clone)
{
    dVAR; dXSARGS;
    if (items != 1)
       croak_xs_usage(cv,  "self");
    {
	Digest__SHA2	self;
	Digest__SHA2	RETVAL;

	if (SvROK(ST(0)) && sv_derived_from(ST(0), "Digest::SHA2")) {
	    IV tmp = SvIV((SV*)SvRV(ST(0)));
	    self = INT2PTR(Digest__SHA2,tmp);
	}
	else {
		const char* refstr = SvROK(ST(0)) ? "" : SvOK(ST(0)) ? "scalar " : "undef";
	    Perl_croak_nocontext("%s: Expected %s to be of type %s; got %s%" SVf " instead",
			"Digest::SHA2::clone",
			"self", "Digest::SHA2",
			refstr, ST(0)
		);
	}
;
#line 62 "SHA2.xs"
    {
        Newz(0, RETVAL, 1, struct sha2);
        Copy(self, RETVAL, 1, struct sha2);
    }

#line 260 "SHA2.c"
	{
	    SV * RETVALSV;
	    RETVALSV = sv_newmortal();
	    sv_setref_pv(RETVALSV, "Digest::SHA2", (void*)RETVAL);
	    ST(0) = RETVALSV;
	}
    }
    XSRETURN(1);
}


XS_EUPXS(XS_Digest__SHA2_hashsize); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Digest__SHA2_hashsize)
{
    dVAR; dXSARGS;
    if (items != 1)
       croak_xs_usage(cv,  "self");
    {
	Digest__SHA2	self;
	int	RETVAL;
	dXSTARG;

	if (SvROK(ST(0)) && sv_derived_from(ST(0), "Digest::SHA2")) {
	    IV tmp = SvIV((SV*)SvRV(ST(0)));
	    self = INT2PTR(Digest__SHA2,tmp);
	}
	else {
		const char* refstr = SvROK(ST(0)) ? "" : SvOK(ST(0)) ? "scalar " : "undef";
	    Perl_croak_nocontext("%s: Expected %s to be of type %s; got %s%" SVf " instead",
			"Digest::SHA2::hashsize",
			"self", "Digest::SHA2",
			refstr, ST(0)
		);
	}
;
#line 74 "SHA2.xs"
        RETVAL = self->digestsize;

#line 299 "SHA2.c"
	XSprePUSH;
	PUSHi((IV)RETVAL);
    }
    XSRETURN(1);
}


XS_EUPXS(XS_Digest__SHA2_rounds); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Digest__SHA2_rounds)
{
    dVAR; dXSARGS;
    if (items != 1)
       croak_xs_usage(cv,  "self");
    {
	Digest__SHA2	self;
	int	RETVAL;
	dXSTARG;

	if (SvROK(ST(0)) && sv_derived_from(ST(0), "Digest::SHA2")) {
	    IV tmp = SvIV((SV*)SvRV(ST(0)));
	    self = INT2PTR(Digest__SHA2,tmp);
	}
	else {
		const char* refstr = SvROK(ST(0)) ? "" : SvOK(ST(0)) ? "scalar " : "undef";
	    Perl_croak_nocontext("%s: Expected %s to be of type %s; got %s%" SVf " instead",
			"Digest::SHA2::rounds",
			"self", "Digest::SHA2",
			refstr, ST(0)
		);
	}
;
#line 83 "SHA2.xs"
        RETVAL = self->rounds;

#line 334 "SHA2.c"
	XSprePUSH;
	PUSHi((IV)RETVAL);
    }
    XSRETURN(1);
}


XS_EUPXS(XS_Digest__SHA2_reset); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Digest__SHA2_reset)
{
    dVAR; dXSARGS;
    if (items != 1)
       croak_xs_usage(cv,  "self");
    {
	Digest__SHA2	self;

	if (SvROK(ST(0)) && sv_derived_from(ST(0), "Digest::SHA2")) {
	    IV tmp = SvIV((SV*)SvRV(ST(0)));
	    self = INT2PTR(Digest__SHA2,tmp);
	}
	else {
		const char* refstr = SvROK(ST(0)) ? "" : SvOK(ST(0)) ? "scalar " : "undef";
	    Perl_croak_nocontext("%s: Expected %s to be of type %s; got %s%" SVf " instead",
			"Digest::SHA2::reset",
			"self", "Digest::SHA2",
			refstr, ST(0)
		);
	}
;
#line 92 "SHA2.xs"
    {
        switch (self->digestsize) {
            case 256:
                SHA256_Init(&self->ctx256);
                break;

            case 384:
                SHA384_Init(&self->ctx384);
                break;

            case 512:
                SHA512_Init(&self->ctx512);
                break;
        }
    }
#line 380 "SHA2.c"
    }
    XSRETURN_EMPTY;
}


XS_EUPXS(XS_Digest__SHA2_add); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Digest__SHA2_add)
{
    dVAR; dXSARGS;
    if (items < 1)
       croak_xs_usage(cv,  "self, ...");
    {
	Digest__SHA2	self;

	if (SvROK(ST(0)) && sv_derived_from(ST(0), "Digest::SHA2")) {
	    IV tmp = SvIV((SV*)SvRV(ST(0)));
	    self = INT2PTR(Digest__SHA2,tmp);
	}
	else {
		const char* refstr = SvROK(ST(0)) ? "" : SvOK(ST(0)) ? "scalar " : "undef";
	    Perl_croak_nocontext("%s: Expected %s to be of type %s; got %s%" SVf " instead",
			"Digest::SHA2::add",
			"self", "Digest::SHA2",
			refstr, ST(0)
		);
	}
;
#line 112 "SHA2.xs"
    {
        STRLEN len;
        unsigned char* data;
        unsigned int i;

        for (i = 1; i < items; i++) {
            data = (unsigned char*)(SvPV(ST(i), len));

            switch (self->digestsize) {
                case 256:
                    SHA256_Update(&self->ctx256, data, len);
                    break;

                case 384:
                    SHA384_Update(&self->ctx384, data, len);
                    break;

                case 512:
                    SHA512_Update(&self->ctx512, data, len);
                    break;
            }
        }
    }
#line 432 "SHA2.c"
    }
    XSRETURN_EMPTY;
}


XS_EUPXS(XS_Digest__SHA2_hexdigest); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Digest__SHA2_hexdigest)
{
    dVAR; dXSARGS;
    if (items != 1)
       croak_xs_usage(cv,  "self");
    {
	Digest__SHA2	self;
	SV *	RETVAL;

	if (SvROK(ST(0)) && sv_derived_from(ST(0), "Digest::SHA2")) {
	    IV tmp = SvIV((SV*)SvRV(ST(0)));
	    self = INT2PTR(Digest__SHA2,tmp);
	}
	else {
		const char* refstr = SvROK(ST(0)) ? "" : SvOK(ST(0)) ? "scalar " : "undef";
	    Perl_croak_nocontext("%s: Expected %s to be of type %s; got %s%" SVf " instead",
			"Digest::SHA2::hexdigest",
			"self", "Digest::SHA2",
			refstr, ST(0)
		);
	}
;
#line 140 "SHA2.xs"
    {
        RETVAL = newSVpv("", 64);  /* defaults to SHA-256 */

        switch (self->digestsize) {
            case 256:
                SHA256_End(&self->ctx256, SvPV_nolen(RETVAL));
                break;

            case 384:
                RETVAL = newSVpv("", 96);
                SHA384_End(&self->ctx384, SvPV_nolen(RETVAL));
                break;

            case 512:
                RETVAL = newSVpv("", 128);
                SHA512_End(&self->ctx512, SvPV_nolen(RETVAL));
                break;
        }
    }

#line 482 "SHA2.c"
	RETVAL = sv_2mortal(RETVAL);
	ST(0) = RETVAL;
    }
    XSRETURN(1);
}


XS_EUPXS(XS_Digest__SHA2_DESTROY); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Digest__SHA2_DESTROY)
{
    dVAR; dXSARGS;
    if (items != 1)
       croak_xs_usage(cv,  "self");
    {
	Digest__SHA2	self;

	if (SvROK(ST(0))) {
	    IV tmp = SvIV((SV*)SvRV(ST(0)));
	    self = INT2PTR(Digest__SHA2,tmp);
	}
	else
	    Perl_croak_nocontext("%s: %s is not a reference",
			"Digest::SHA2::DESTROY",
			"self")
;
#line 167 "SHA2.xs"
        Safefree(self);
#line 510 "SHA2.c"
    }
    XSRETURN_EMPTY;
}

#ifdef __cplusplus
extern "C" {
#endif
XS_EXTERNAL(boot_Digest__SHA2); /* prototype to pass -Wmissing-prototypes */
XS_EXTERNAL(boot_Digest__SHA2)
{
#if PERL_VERSION_LE(5, 21, 5)
    dVAR; dXSARGS;
#else
    dVAR; dXSBOOTARGSXSAPIVERCHK;
#endif
#if PERL_VERSION_LE(5, 8, 999) /* PERL_VERSION_LT is 5.33+ */
    char* file = __FILE__;
#else
    const char* file = __FILE__;
#endif

    PERL_UNUSED_VAR(file);

    PERL_UNUSED_VAR(cv); /* -W */
    PERL_UNUSED_VAR(items); /* -W */
#if PERL_VERSION_LE(5, 21, 5)
    XS_VERSION_BOOTCHECK;
#  ifdef XS_APIVERSION_BOOTCHECK
    XS_APIVERSION_BOOTCHECK;
#  endif
#endif

        newXS_deffile("Digest::SHA2::new", XS_Digest__SHA2_new);
        newXS_deffile("Digest::SHA2::clone", XS_Digest__SHA2_clone);
        newXS_deffile("Digest::SHA2::hashsize", XS_Digest__SHA2_hashsize);
        newXS_deffile("Digest::SHA2::rounds", XS_Digest__SHA2_rounds);
        newXS_deffile("Digest::SHA2::reset", XS_Digest__SHA2_reset);
        newXS_deffile("Digest::SHA2::add", XS_Digest__SHA2_add);
        newXS_deffile("Digest::SHA2::hexdigest", XS_Digest__SHA2_hexdigest);
        newXS_deffile("Digest::SHA2::DESTROY", XS_Digest__SHA2_DESTROY);
#if PERL_VERSION_LE(5, 21, 5)
#  if PERL_VERSION_GE(5, 9, 0)
    if (PL_unitcheckav)
        call_list(PL_scopestack_ix, PL_unitcheckav);
#  endif
    XSRETURN_YES;
#else
    Perl_xs_boot_epilog(aTHX_ ax);
#endif
}

#ifdef __cplusplus
}
#endif
