################################################################################
##
##  Version 3.x, Copyright (C) 2004-2013, Marcus Holland-Moritz.
##  Version 2.x, Copyright (C) 2001, Paul Marquess.
##  Version 1.x, Copyright (C) 1999, Kenneth Albanowski.
##
##  This program is free software; you can redistribute it and/or
##  modify it under the same terms as Perl itself.
##
################################################################################

=provides

vnewSVpvf
sv_vcatpvf
sv_vsetpvf

sv_catpvf_mg
sv_catpvf_mg_nocontext
sv_vcatpvf_mg

sv_setpvf_mg
sv_setpvf_mg_nocontext
sv_vsetpvf_mg

=implementation

#if { VERSION >= 5.004 } && !defined(vnewSVpvf)
#if { NEED vnewSVpvf }

SV *
vnewSVpvf(pTHX_ const char *pat, va_list *args)
{
  register SV *sv = newSV(0);
  sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
  return sv;
}

#endif
#endif

#if { VERSION >= 5.004 } && !defined(sv_vcatpvf)
#  define sv_vcatpvf(sv, pat, args)  sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*))
#endif

#if { VERSION >= 5.004 } && !defined(sv_vsetpvf)
#  define sv_vsetpvf(sv, pat, args)  sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*))
#endif

#if { VERSION >= 5.004 } && !defined(sv_catpvf_mg)
#if { NEED sv_catpvf_mg }

void
sv_catpvf_mg(pTHX_ SV *sv, const char *pat, ...)
{
  va_list args;
  va_start(args, pat);
  sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
  SvSETMAGIC(sv);
  va_end(args);
}

#endif
#endif

#ifdef PERL_IMPLICIT_CONTEXT
#if { VERSION >= 5.004 } && !defined(sv_catpvf_mg_nocontext)
#if { NEED sv_catpvf_mg_nocontext }

void
sv_catpvf_mg_nocontext(SV *sv, const char *pat, ...)
{
  dTHX;
  va_list args;
  va_start(args, pat);
  sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
  SvSETMAGIC(sv);
  va_end(args);
}

#endif
#endif
#endif

/* sv_catpvf_mg depends on sv_catpvf_mg_nocontext */
#ifndef sv_catpvf_mg
#  ifdef PERL_IMPLICIT_CONTEXT
#    define sv_catpvf_mg   Perl_sv_catpvf_mg_nocontext
#  else
#    define sv_catpvf_mg   Perl_sv_catpvf_mg
#  endif
#endif

#if { VERSION >= 5.004 } && !defined(sv_vcatpvf_mg)
#  define sv_vcatpvf_mg(sv, pat, args)                                     \
   STMT_START {                                                            \
     sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));  \
     SvSETMAGIC(sv);                                                       \
   } STMT_END
#endif

#if { VERSION >= 5.004 } && !defined(sv_setpvf_mg)
#if { NEED sv_setpvf_mg }

void
sv_setpvf_mg(pTHX_ SV *sv, const char *pat, ...)
{
  va_list args;
  va_start(args, pat);
  sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
  SvSETMAGIC(sv);
  va_end(args);
}

#endif
#endif

#ifdef PERL_IMPLICIT_CONTEXT
#if { VERSION >= 5.004 } && !defined(sv_setpvf_mg_nocontext)
#if { NEED sv_setpvf_mg_nocontext }

void
sv_setpvf_mg_nocontext(SV *sv, const char *pat, ...)
{
  dTHX;
  va_list args;
  va_start(args, pat);
  sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
  SvSETMAGIC(sv);
  va_end(args);
}

#endif
#endif
#endif

/* sv_setpvf_mg depends on sv_setpvf_mg_nocontext */
#ifndef sv_setpvf_mg
#  ifdef PERL_IMPLICIT_CONTEXT
#    define sv_setpvf_mg   Perl_sv_setpvf_mg_nocontext
#  else
#    define sv_setpvf_mg   Perl_sv_setpvf_mg
#  endif
#endif

#if { VERSION >= 5.004 } && !defined(sv_vsetpvf_mg)
#  define sv_vsetpvf_mg(sv, pat, args)                                     \
   STMT_START {                                                            \
     sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));  \
     SvSETMAGIC(sv);                                                       \
   } STMT_END
#endif

=xsinit

#define NEED_vnewSVpvf
#define NEED_sv_catpvf_mg
#define NEED_sv_catpvf_mg_nocontext
#define NEED_sv_setpvf_mg
#define NEED_sv_setpvf_mg_nocontext

=xsmisc

static SV * test_vnewSVpvf(pTHX_ const char *pat, ...)
{
  SV *sv;
  va_list args;
  va_start(args, pat);
#if { VERSION >= 5.004 }
  sv = vnewSVpvf(pat, &args);
#else
  sv = newSVpv((char *) pat, 0);
#endif
  va_end(args);
  return sv;
}

static void test_sv_vcatpvf(pTHX_ SV *sv, const char *pat, ...)
{
  va_list args;
  va_start(args, pat);
#if { VERSION >= 5.004 }
  sv_vcatpvf(sv, pat, &args);
#else
  sv_catpv(sv, (char *) pat);
#endif
  va_end(args);
}

static void test_sv_vsetpvf(pTHX_ SV *sv, const char *pat, ...)
{
  va_list args;
  va_start(args, pat);
#if { VERSION >= 5.004 }
  sv_vsetpvf(sv, pat, &args);
#else
  sv_setpv(sv, (char *) pat);
#endif
  va_end(args);
}

=xsubs

SV *
vnewSVpvf()
        CODE:
                RETVAL = test_vnewSVpvf(aTHX_ "%s-%d", "Perl", 42);
        OUTPUT:
                RETVAL

SV *
sv_vcatpvf(sv)
        SV *sv
        CODE:
                RETVAL = newSVsv(sv);
                test_sv_vcatpvf(aTHX_ RETVAL, "%s-%d", "Perl", 42);
        OUTPUT:
                RETVAL

SV *
sv_vsetpvf(sv)
        SV *sv
        CODE:
                RETVAL = newSVsv(sv);
                test_sv_vsetpvf(aTHX_ RETVAL, "%s-%d", "Perl", 42);
        OUTPUT:
                RETVAL

void
sv_catpvf_mg(sv)
        SV *sv
        CODE:
#if { VERSION >= 5.004 }
                sv_catpvf_mg(sv, "%s-%d", "Perl", 42);
#endif

void
Perl_sv_catpvf_mg(sv)
        SV *sv
        CODE:
#if { VERSION >= 5.004 }
                Perl_sv_catpvf_mg(aTHX_ sv, "%s-%d", "-Perl", 43);
#endif

void
sv_catpvf_mg_nocontext(sv)
        SV *sv
        CODE:
#if { VERSION >= 5.004 }
#ifdef PERL_IMPLICIT_CONTEXT
                sv_catpvf_mg_nocontext(sv, "%s-%d", "-Perl", 44);
#else
                sv_catpvf_mg(sv, "%s-%d", "-Perl", 44);
#endif
#endif

void
sv_setpvf_mg(sv)
        SV *sv
        CODE:
#if { VERSION >= 5.004 }
                sv_setpvf_mg(sv, "%s-%d", "mhx", 42);
#endif

void
Perl_sv_setpvf_mg(sv)
        SV *sv
        CODE:
#if { VERSION >= 5.004 }
                Perl_sv_setpvf_mg(aTHX_ sv, "%s-%d", "foo", 43);
#endif

void
sv_setpvf_mg_nocontext(sv)
        SV *sv
        CODE:
#if { VERSION >= 5.004 }
#ifdef PERL_IMPLICIT_CONTEXT
                sv_setpvf_mg_nocontext(sv, "%s-%d", "bar", 44);
#else
                sv_setpvf_mg(sv, "%s-%d", "bar", 44);
#endif
#endif

=tests plan => 9

use Tie::Hash;
my %h;
tie %h, 'Tie::StdHash';
$h{foo} = 'foo-';
$h{bar} = '';

ok(&Devel::PPPort::vnewSVpvf(), $] >= 5.004 ? 'Perl-42' : '%s-%d');
ok(&Devel::PPPort::sv_vcatpvf('1-2-3-'), $] >= 5.004 ? '1-2-3-Perl-42' : '1-2-3-%s-%d');
ok(&Devel::PPPort::sv_vsetpvf('1-2-3-'), $] >= 5.004 ? 'Perl-42' : '%s-%d');

&Devel::PPPort::sv_catpvf_mg($h{foo});
ok($h{foo}, $] >= 5.004 ? 'foo-Perl-42' : 'foo-');

&Devel::PPPort::Perl_sv_catpvf_mg($h{foo});
ok($h{foo}, $] >= 5.004 ? 'foo-Perl-42-Perl-43' : 'foo-');

&Devel::PPPort::sv_catpvf_mg_nocontext($h{foo});
ok($h{foo}, $] >= 5.004 ? 'foo-Perl-42-Perl-43-Perl-44' : 'foo-');

&Devel::PPPort::sv_setpvf_mg($h{bar});
ok($h{bar}, $] >= 5.004 ? 'mhx-42' : '');

&Devel::PPPort::Perl_sv_setpvf_mg($h{bar});
ok($h{bar}, $] >= 5.004 ? 'foo-43' : '');

&Devel::PPPort::sv_setpvf_mg_nocontext($h{bar});
ok($h{bar}, $] >= 5.004 ? 'bar-44' : '');