/*
 * This file was generated automatically by ExtUtils::ParseXS version 3.18 from the
 * contents of TZ.xs. Do not edit this file, edit TZ.xs instead.
 *
 *    ANY CHANGES MADE HERE WILL BE LOST!
 *
 */

#line 1 "TZ.xs"
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#include "ppport.h"

#include <time.h>
#include <string.h>


#define BACKUP_TZ()                                       \
    char* old_tz_p;                                       \
    int envsize = 1;                                      \
    old_tz_p = getenv("TZ");                              \
    envsize = old_tz_p == NULL ? 1 : strlen(old_tz_p)+1;  \
    char old_tz[envsize];                                 \
    if (old_tz_p != NULL)                                 \
        memcpy(old_tz, old_tz_p, envsize);                \

#define RESTORE_TZ()                                      \
    if (old_tz_p == NULL) {                               \
        unsetenv("TZ");                                   \
    } else {                                              \
        setenv("TZ", old_tz, 1);                          \
    }                                                     \


#line 38 "TZ.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(pTHX_ const CV *const cv, const char *const params);

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

#ifdef PERL_IMPLICIT_CONTEXT
#define croak_xs_usage(a,b)    S_croak_xs_usage(aTHX_ a,b)
#else
#define croak_xs_usage        S_croak_xs_usage
#endif

#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) */

#line 180 "TZ.c"

XS_EUPXS(XS_Time__Local__TZ_tz_localtime); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Time__Local__TZ_tz_localtime)
{
    dVAR; dXSARGS;
    if (items != 2)
       croak_xs_usage(cv,  "tz, time");
    PERL_UNUSED_VAR(ax); /* -Wall */
    SP -= items;
    {
	char*	tz = (char *)SvPV_nolen(ST(0))
;
	time_t	time = (time_t)SvNV(ST(1))
;
#line 37 "TZ.xs"
        char time_string[26];
        struct tm tm;
#line 198 "TZ.c"
#line 40 "TZ.xs"
        BACKUP_TZ();
            setenv("TZ", tz, 1);
            tzset();
            localtime_r(&time, &tm);
        RESTORE_TZ();

        if (GIMME_V == G_ARRAY) {
            EXTEND(SP, 9);
            ST(0) = sv_2mortal(newSViv(tm.tm_sec));
            ST(1) = sv_2mortal(newSViv(tm.tm_min));
            ST(2) = sv_2mortal(newSViv(tm.tm_hour));
            ST(3) = sv_2mortal(newSViv(tm.tm_mday));
            ST(4) = sv_2mortal(newSViv(tm.tm_mon));
            ST(5) = sv_2mortal(newSViv(tm.tm_year));
            ST(6) = sv_2mortal(newSViv(tm.tm_wday));
            ST(7) = sv_2mortal(newSViv(tm.tm_yday));
            ST(8) = sv_2mortal(newSViv(tm.tm_isdst));
            XSRETURN(9); 
        } else {
            asctime_r(&tm, time_string);
            ST(0) = sv_2mortal(newSVpv(time_string, 24));
            XSRETURN(1);
        }
#line 223 "TZ.c"
	PUTBACK;
	return;
    }
}


XS_EUPXS(XS_Time__Local__TZ_tz_timelocal); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Time__Local__TZ_tz_timelocal)
{
    dVAR; dXSARGS;
    PERL_UNUSED_VAR(cv); /* -W */
    PERL_UNUSED_VAR(ax); /* -Wall */
    SP -= items;
    {
#line 68 "TZ.xs"
        char* tz;
        struct tm tm;
        time_t time;
#line 242 "TZ.c"
#line 72 "TZ.xs"
        if (items < 7 || items > 10)
            croak("Usage: tz_truncate(tz, sec, min, hour, mday, mon, year, [ wday, yday, is_dst ])");

        tz = SvPV_nolen(ST(0));
        tm.tm_sec  = SvIV(ST(1));
        tm.tm_min  = SvIV(ST(2));
        tm.tm_hour = SvIV(ST(3));
        tm.tm_mday = SvIV(ST(4));
        tm.tm_mon  = SvIV(ST(5));
        tm.tm_year = SvIV(ST(6));
        tm.tm_wday = -1;
        tm.tm_yday = -1;
        tm.tm_isdst = -1;

        BACKUP_TZ();
            setenv("TZ", tz, 1);
            tzset();
            time = mktime(&tm);
        RESTORE_TZ();

        ST(0) = sv_2mortal(newSViv((IV)time));
        XSRETURN(1);
#line 266 "TZ.c"
	PUTBACK;
	return;
    }
}


XS_EUPXS(XS_Time__Local__TZ_tz_truncate); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Time__Local__TZ_tz_truncate)
{
    dVAR; dXSARGS;
    if (items != 3)
       croak_xs_usage(cv,  "tz, time, unit");
    PERL_UNUSED_VAR(ax); /* -Wall */
    SP -= items;
    {
	char*	tz = (char *)SvPV_nolen(ST(0))
;
	time_t	time = (time_t)SvNV(ST(1))
;
	int	unit = (int)SvIV(ST(2))
;
#line 102 "TZ.xs"
        struct tm tm;
#line 290 "TZ.c"
#line 104 "TZ.xs"
        if (unit < 1 || unit > 5)
            croak("tz_truncate: unit should be 1..5");

        BACKUP_TZ();
            setenv("TZ", tz, 1);
            tzset();
            localtime_r(&time, &tm);
            if (unit == 5) tm.tm_mon  = 0;
            if (unit >= 4) tm.tm_mday = 1;
            if (unit >= 3) tm.tm_hour = 0;
            if (unit >= 2) tm.tm_min  = 0;
            if (unit >= 1) tm.tm_sec  = 0;
            time = mktime(&tm);
        RESTORE_TZ();

        ST(0) = sv_2mortal(newSViv((int)time));
        XSRETURN(1);
#line 309 "TZ.c"
	PUTBACK;
	return;
    }
}


XS_EUPXS(XS_Time__Local__TZ_tz_offset); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Time__Local__TZ_tz_offset)
{
    dVAR; dXSARGS;
    if (items != 2)
       croak_xs_usage(cv,  "tz, time");
    PERL_UNUSED_VAR(ax); /* -Wall */
    SP -= items;
    {
	char*	tz = (char *)SvPV_nolen(ST(0))
;
	time_t	time = (time_t)SvNV(ST(1))
;
#line 128 "TZ.xs"
        struct tm tm;
        time_t time_utc;
#line 332 "TZ.c"
#line 131 "TZ.xs"
        BACKUP_TZ()
            setenv("TZ", tz, 1);
            tzset();
            gmtime_r(&time, &tm);
            time_utc = mktime(&tm);
        RESTORE_TZ();

        ST(0) = sv_2mortal(newSViv((int)(time-time_utc)));
        XSRETURN(1);
#line 343 "TZ.c"
	PUTBACK;
	return;
    }
}

#ifdef __cplusplus
extern "C"
#endif
XS_EXTERNAL(boot_Time__Local__TZ); /* prototype to pass -Wmissing-prototypes */
XS_EXTERNAL(boot_Time__Local__TZ)
{
    dVAR; dXSARGS;
#if (PERL_REVISION == 5 && PERL_VERSION < 9)
    char* file = __FILE__;
#else
    const char* file = __FILE__;
#endif

    PERL_UNUSED_VAR(cv); /* -W */
    PERL_UNUSED_VAR(items); /* -W */
#ifdef XS_APIVERSION_BOOTCHECK
    XS_APIVERSION_BOOTCHECK;
#endif
    XS_VERSION_BOOTCHECK;

        newXS("Time::Local::TZ::tz_localtime", XS_Time__Local__TZ_tz_localtime, file);
        newXS("Time::Local::TZ::tz_timelocal", XS_Time__Local__TZ_tz_timelocal, file);
        newXS("Time::Local::TZ::tz_truncate", XS_Time__Local__TZ_tz_truncate, file);
        newXS("Time::Local::TZ::tz_offset", XS_Time__Local__TZ_tz_offset, file);
#if (PERL_REVISION == 5 && PERL_VERSION >= 9)
  if (PL_unitcheckav)
       call_list(PL_scopestack_ix, PL_unitcheckav);
#endif
    XSRETURN_YES;
}

