[perl5.git] / ext / File-Glob / Glob.xs

#define PERL_NO_GET_CONTEXT

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#include "bsd_glob.h"

#define MY_CXT_KEY "File::Glob::_guts" XS_VERSION

typedef struct {
    int		x_GLOB_ERROR;
    HV *	x_GLOB_ENTRIES;
} my_cxt_t;

START_MY_CXT

#define GLOB_ERROR	(MY_CXT.x_GLOB_ERROR)

#include "const-c.inc"

#ifdef WIN32
#define errfunc		NULL
#else
static int
errfunc(const char *foo, int bar) {
  PERL_UNUSED_ARG(foo);
  return !(bar == EACCES || bar == ENOENT || bar == ENOTDIR);
}
#endif

static void
doglob(pTHX_ const char *pattern, int flags)
{
    dSP;
    glob_t pglob;
    int i;
    int retval;
    SV *tmp;
    {
	dMY_CXT;

	/* call glob */
	memset(&pglob, 0, sizeof(glob_t));
	retval = bsd_glob(pattern, flags, errfunc, &pglob);
	GLOB_ERROR = retval;

	/* return any matches found */
	EXTEND(sp, pglob.gl_pathc);
	for (i = 0; i < pglob.gl_pathc; i++) {
	    /* printf("# bsd_glob: %s\n", pglob.gl_pathv[i]); */
	    tmp = newSVpvn_flags(pglob.gl_pathv[i], strlen(pglob.gl_pathv[i]),
				 SVs_TEMP);
	    TAINT;
	    SvTAINT(tmp);
	    PUSHs(tmp);
	}
	PUTBACK;

	bsd_globfree(&pglob);
    }
}

static void
iterate(pTHX_ bool(*globber)(pTHX_ AV *entries, SV *patsv))
{
    dSP;
    dMY_CXT;

    SV * const cxixsv = POPs;
    const char *cxixpv;
    STRLEN cxixlen;
    AV *entries;
    U32 const gimme = GIMME_V;
    SV *patsv = POPs;
    bool on_stack = FALSE;

    /* assume global context if not provided one */
    SvGETMAGIC(cxixsv);
    if (SvOK(cxixsv)) cxixpv = SvPV_nomg(cxixsv, cxixlen);
    else cxixpv = "_G_", cxixlen = 3;

    if (!MY_CXT.x_GLOB_ENTRIES) MY_CXT.x_GLOB_ENTRIES = newHV();
    entries = (AV *)*(hv_fetch(MY_CXT.x_GLOB_ENTRIES, cxixpv, cxixlen, 1));

    /* if we're just beginning, do it all first */
    if (SvTYPE(entries) != SVt_PVAV) {
	PUTBACK;
	on_stack = globber(aTHX_ entries, patsv);
	SPAGAIN;
    }

    /* chuck it all out, quick or slow */
    if (gimme == G_ARRAY) {
	if (!on_stack) {
	    Copy(AvARRAY(entries), SP+1, AvFILLp(entries)+1, SV *);
	    SP += AvFILLp(entries)+1;
	}
	/* No G_DISCARD here!  It will free the stack items. */
	hv_delete(MY_CXT.x_GLOB_ENTRIES, cxixpv, cxixlen, 0);
    }
    else {
	if (AvFILLp(entries) + 1) {
	    mPUSHs(av_shift(entries));
	}
	else {
	    /* return undef for EOL */
	    hv_delete(MY_CXT.x_GLOB_ENTRIES, cxixpv, cxixlen, G_DISCARD);
	    PUSHs(&PL_sv_undef);
	}
    }
    PUTBACK;
}

/* returns true if the items are on the stack already, but only in
   list context */
static bool
csh_glob(pTHX_ AV *entries, SV *patsv)
{
	dSP;
	const char *pat;
	AV *patav = NULL;
	const char *patend;
	const char *s = NULL;
	const char *piece = NULL;
	SV *word = NULL;
	int const flags =
	    (int)SvIV(get_sv("File::Glob::DEFAULT_FLAGS", GV_ADD));
	bool is_utf8;
	STRLEN len;
	U32 const gimme = GIMME_V;

	/* glob without args defaults to $_ */
	SvGETMAGIC(patsv);
	if (
	    !SvOK(patsv)
	 && (patsv = DEFSV, SvGETMAGIC(patsv), !SvOK(patsv))
	)
	     pat = "", len = 0, is_utf8 = 0;
	else pat = SvPV_nomg(patsv,len), is_utf8 = !!SvUTF8(patsv);
	patend = pat + len;

	/* extract patterns */
	s = pat-1;
	while (++s < patend) {
	    switch (*s) {
	    case '\'':
	    case '"' :
	      {
		bool found = FALSE;
		const char quote = *s;
		if (!word) {
		    word = newSVpvs("");
		    if (is_utf8) SvUTF8_on(word);
		}
		if (piece) sv_catpvn(word, piece, s-piece);
		piece = s+1;
		while (++s < patend)
		    if (*s == '\\') {
			s++;
			/* If the backslash is here to escape a quote,
			   obliterate it. */
			if (s < patend && *s == quote)
			    sv_catpvn(word, piece, s-piece-1), piece = s;
		    }
		    else if (*s == quote) {
			sv_catpvn(word, piece, s-piece);
			piece = NULL;
			found = TRUE;
			break;
		    }
		if (!found) { /* unmatched quote */
		    /* Give up on tokenisation and treat the whole string
		       as a single token, but with whitespace stripped. */
		    piece = pat;
		    while (isSPACE(*pat)) pat++;
		    while (isSPACE(*(patend-1))) patend--;
		    /* bsd_glob expects a trailing null, but we cannot mod-
		       ify the original */
		    if (patend < SvEND(patsv)) {
			if (word) sv_setpvn(word, pat, patend-pat);
			else
			    word = newSVpvn_flags(
				pat, patend-pat, SVf_UTF8*is_utf8
			    );
			piece = NULL;
		    }
		    else {
			if (word) SvREFCNT_dec(word), word=NULL;
			piece = pat;
			s = patend;
		    }
		    goto end_of_parsing;
		}
		break;
	      }
	    case '\\':
		if (!piece) piece = s;
		s++;
		/* If the backslash is here to escape a quote,
		   obliterate it. */
		if (s < patend && (*s == '"' || *s == '\'')) {
		    if (!word) {
			word = newSVpvn(piece,s-piece-1);
			if (is_utf8) SvUTF8_on(word);
		    }
		    else sv_catpvn(word, piece, s-piece-1);
		    piece = s;
		}
		break;
	    default:
		if (isSPACE(*s)) {
		    if (piece) {
			if (!word) {
			    word = newSVpvn(piece,s-piece);
			    if (is_utf8) SvUTF8_on(word);
			}
			else sv_catpvn(word, piece, s-piece);
		    }
		    if (!word) break;
		    if (!patav) patav = (AV *)sv_2mortal((SV *)newAV());
		    av_push(patav, word);
		    word = NULL;
		    piece = NULL;
		}
		else if (!piece) piece = s;
		break;
	    }
	}
      end_of_parsing:

	assert(SvTYPE(entries) != SVt_PVAV);
	sv_upgrade((SV *)entries, SVt_PVAV);
	
	if (patav) {
	    I32 items = AvFILLp(patav) + 1;
	    SV **svp = AvARRAY(patav);
	    while (items--) {
		PUSHMARK(SP);
		PUTBACK;
		doglob(aTHX_ SvPVXx(*svp++), flags);
		SPAGAIN;
		{
		    dMARK;
		    dORIGMARK;
		    while (++MARK <= SP)
			av_push(entries, SvREFCNT_inc_simple_NN(*MARK));
		    SP = ORIGMARK;
		}
	    }
	}
	/* piece is set at this point if there is no trailing whitespace.
	   It is the beginning of the last token or quote-delimited
	   piece thereof.  word is set at this point if the last token has
	   multiple quoted pieces. */
	if (piece || word) {
	    if (word) {
		if (piece) sv_catpvn(word, piece, s-piece);
		piece = SvPVX(word);
	    }
	    PUSHMARK(SP);
	    PUTBACK;
	    doglob(aTHX_ piece, flags);
	    if (word) SvREFCNT_dec(word);
	    SPAGAIN;
	    {
		dMARK;
		dORIGMARK;
		/* short-circuit here for a fairly common case */
		if (!patav && gimme == G_ARRAY) { PUTBACK; return TRUE; }
		while (++MARK <= SP)
		    av_push(entries, SvREFCNT_inc_simple_NN(*MARK));

		SP = ORIGMARK;
	    }
	}
	PUTBACK;
	return FALSE;
}

static void
csh_glob_iter(pTHX)
{
    iterate(aTHX_ csh_glob);
}

/* wrapper around doglob that can be passed to the iterator */
static bool
doglob_iter_wrapper(pTHX_ AV *entries, SV *patsv)
{
    dSP;
    const char *pattern;
    int const flags =
	    (int)SvIV(get_sv("File::Glob::DEFAULT_FLAGS", GV_ADD));

    SvGETMAGIC(patsv);
    if (
	    !SvOK(patsv)
	 && (patsv = DEFSV, SvGETMAGIC(patsv), !SvOK(patsv))
    )
	 pattern = "";
    else pattern = SvPV_nomg_nolen(patsv);

    PUSHMARK(SP);
    PUTBACK;
    doglob(aTHX_ pattern, flags);
    SPAGAIN;
    {
	dMARK;
	dORIGMARK;
	if (GIMME_V == G_ARRAY) { PUTBACK; return TRUE; }
	sv_upgrade((SV *)entries, SVt_PVAV);
	while (++MARK <= SP)
	    av_push(entries, SvREFCNT_inc_simple_NN(*MARK));
	SP = ORIGMARK;
    }
    return FALSE;
}

MODULE = File::Glob		PACKAGE = File::Glob

int
GLOB_ERROR()
    PREINIT:
	dMY_CXT;
    CODE:
	RETVAL = GLOB_ERROR;
    OUTPUT:
	RETVAL

void
bsd_glob(pattern,...)
    char *pattern
PREINIT:
    glob_t pglob;
    int i;
    int retval;
    int flags = 0;
    SV *tmp;
PPCODE:
    {
	/* allow for optional flags argument */
	if (items > 1) {
	    flags = (int) SvIV(ST(1));
	    /* remove unsupported flags */
	    flags &= ~(GLOB_APPEND | GLOB_DOOFFS | GLOB_ALTDIRFUNC | GLOB_MAGCHAR);
	} else {
	    flags = (int) SvIV(get_sv("File::Glob::DEFAULT_FLAGS", GV_ADD));
	}
	
	PUTBACK;
	doglob(aTHX_ pattern, flags);
	SPAGAIN;
    }

PROTOTYPES: DISABLE
void
csh_glob(...)
PPCODE:
    /* For backward-compatibility with the original Perl function, we sim-
     * ply take the first two arguments, regardless of how many there are.
     */
    if (items >= 2) SP += 2;
    else {
	SP += items;
	XPUSHs(&PL_sv_undef);
	if (!items) XPUSHs(&PL_sv_undef);
    }
    PUTBACK;
    csh_glob_iter(aTHX);
    SPAGAIN;

void
bsd_glob_override(...)
PPCODE:
    if (items >= 2) SP += 2;
    else {
	SP += items;
	XPUSHs(&PL_sv_undef);
	if (!items) XPUSHs(&PL_sv_undef);
    }
    PUTBACK;
    iterate(aTHX_ doglob_iter_wrapper);
    SPAGAIN;

BOOT:
{
#ifndef PERL_EXTERNAL_GLOB
    /* Don’t do this at home! The globhook interface is highly volatile. */
    PL_globhook = csh_glob_iter;
#endif
}

BOOT:
{
    MY_CXT_INIT;
    {
	dMY_CXT;
	MY_CXT.x_GLOB_ENTRIES = NULL;
    }  
}

INCLUDE: const-xs.inc
Commit	Line	Data
8e9c4baf NC	1	#define PERL_NO_GET_CONTEXT
8e9c4baf NC	2
72b16652 GS	3	#include "EXTERN.h"
	4	#include "perl.h"
	5	#include "XSUB.h"
	6
	7	#include "bsd_glob.h"
	8
df3728a2	9	#define MY_CXT_KEY "File::Glob::_guts" XS_VERSION
89ca4ac7 JH	10
	11	typedef struct {
	12	int x_GLOB_ERROR;
1bb8785a	13	HV * x_GLOB_ENTRIES;
89ca4ac7 JH	14	} my_cxt_t;
	15
	16	START_MY_CXT
	17
	18	#define GLOB_ERROR (MY_CXT.x_GLOB_ERROR)
72b16652	19
1cb0fb50	20	#include "const-c.inc"
72b16652 GS	21
	22	#ifdef WIN32
	23	#define errfunc NULL
	24	#else
f681a178	25	static int
72b16652	26	errfunc(const char *foo, int bar) {
c33e8be1	27	PERL_UNUSED_ARG(foo);
5f18268b	28	return !(bar == EACCES \|\| bar == ENOENT \|\| bar == ENOTDIR);
72b16652 GS	29	}
	30	#endif
	31
1bb8785a FC	32	static void
	33	doglob(pTHX_ const char *pattern, int flags)
	34	{
	35	dSP;
	36	glob_t pglob;
	37	int i;
	38	int retval;
	39	SV *tmp;
	40	{
	41	dMY_CXT;
	42
	43	/* call glob */
	44	memset(&pglob, 0, sizeof(glob_t));
	45	retval = bsd_glob(pattern, flags, errfunc, &pglob);
	46	GLOB_ERROR = retval;
	47
	48	/* return any matches found */
	49	EXTEND(sp, pglob.gl_pathc);
	50	for (i = 0; i < pglob.gl_pathc; i++) {
	51	/* printf("# bsd_glob: %s\n", pglob.gl_pathv[i]); */
	52	tmp = newSVpvn_flags(pglob.gl_pathv[i], strlen(pglob.gl_pathv[i]),
	53	SVs_TEMP);
	54	TAINT;
	55	SvTAINT(tmp);
	56	PUSHs(tmp);
	57	}
	58	PUTBACK;
	59
	60	bsd_globfree(&pglob);
	61	}
	62	}
	63
1bb8785a	64	static void
1d6dcc39	65	iterate(pTHX_ bool(globber)(pTHX_ AV entries, SV *patsv))
1bb8785a FC	66	{
	67	dSP;
	68	dMY_CXT;
	69
3ab888cf	70	SV * const cxixsv = POPs;
1bb8785a FC	71	const char *cxixpv;
1bb8785a FC	72	STRLEN cxixlen;
88b04955	73	AV *entries;
3ab888cf	74	U32 const gimme = GIMME_V;
1bb8785a	75	SV *patsv = POPs;
88b04955	76	bool on_stack = FALSE;
1bb8785a FC	77
	78	/* assume global context if not provided one */
	79	SvGETMAGIC(cxixsv);
	80	if (SvOK(cxixsv)) cxixpv = SvPV_nomg(cxixsv, cxixlen);
	81	else cxixpv = "_G_", cxixlen = 3;
	82
1bb8785a	83	if (!MY_CXT.x_GLOB_ENTRIES) MY_CXT.x_GLOB_ENTRIES = newHV();
1d6dcc39	84	entries = (AV )(hv_fetch(MY_CXT.x_GLOB_ENTRIES, cxixpv, cxixlen, 1));
1bb8785a FC	85
1bb8785a FC	86	/* if we're just beginning, do it all first */
1d6dcc39	87	if (SvTYPE(entries) != SVt_PVAV) {
88b04955	88	PUTBACK;
1d6dcc39	89	on_stack = globber(aTHX_ entries, patsv);
88b04955 FC	90	SPAGAIN;
	91	}
	92
	93	/* chuck it all out, quick or slow */
88b04955 FC	94	if (gimme == G_ARRAY) {
	95	if (!on_stack) {
	96	Copy(AvARRAY(entries), SP+1, AvFILLp(entries)+1, SV *);
	97	SP += AvFILLp(entries)+1;
	98	}
88b04955 FC	99	/* No G_DISCARD here! It will free the stack items. */
	100	hv_delete(MY_CXT.x_GLOB_ENTRIES, cxixpv, cxixlen, 0);
	101	}
	102	else {
	103	if (AvFILLp(entries) + 1) {
88b04955 FC	104	mPUSHs(av_shift(entries));
	105	}
	106	else {
	107	/* return undef for EOL */
88b04955 FC	108	hv_delete(MY_CXT.x_GLOB_ENTRIES, cxixpv, cxixlen, G_DISCARD);
	109	PUSHs(&PL_sv_undef);
	110	}
	111	}
	112	PUTBACK;
	113	}
	114
7a26772a FC	115	/* returns true if the items are on the stack already, but only in
7a26772a FC	116	list context */
88b04955	117	static bool
1d6dcc39	118	csh_glob(pTHX_ AV entries, SV patsv)
88b04955 FC	119	{
88b04955 FC	120	dSP;
1bb8785a FC	121	const char *pat;
	122	AV *patav = NULL;
	123	const char *patend;
88b04955	124	const char *s = NULL;
1bb8785a FC	125	const char *piece = NULL;
	126	SV *word = NULL;
	127	int const flags =
	128	(int)SvIV(get_sv("File::Glob::DEFAULT_FLAGS", GV_ADD));
	129	bool is_utf8;
88b04955 FC	130	STRLEN len;
88b04955 FC	131	U32 const gimme = GIMME_V;
1bb8785a FC	132
	133	/* glob without args defaults to $_ */
	134	SvGETMAGIC(patsv);
	135	if (
	136	!SvOK(patsv)
	137	&& (patsv = DEFSV, SvGETMAGIC(patsv), !SvOK(patsv))
	138	)
	139	pat = "", len = 0, is_utf8 = 0;
	140	else pat = SvPV_nomg(patsv,len), is_utf8 = !!SvUTF8(patsv);
	141	patend = pat + len;
	142
	143	/* extract patterns */
1bb8785a FC	144	s = pat-1;
	145	while (++s < patend) {
	146	switch (*s) {
	147	case '\'':
	148	case '"' :
	149	{
	150	bool found = FALSE;
e1621fc9	151	const char quote = *s;
1bb8785a FC	152	if (!word) {
	153	word = newSVpvs("");
	154	if (is_utf8) SvUTF8_on(word);
	155	}
	156	if (piece) sv_catpvn(word, piece, s-piece);
	157	piece = s+1;
f89f9e93	158	while (++s < patend)
e1621fc9 FC	159	if (*s == '\\') {
	160	s++;
	161	/* If the backslash is here to escape a quote,
	162	obliterate it. */
	163	if (s < patend && *s == quote)
	164	sv_catpvn(word, piece, s-piece-1), piece = s;
	165	}
	166	else if (*s == quote) {
1bb8785a FC	167	sv_catpvn(word, piece, s-piece);
	168	piece = NULL;
	169	found = TRUE;
	170	break;
	171	}
	172	if (!found) { /* unmatched quote */
	173	/* Give up on tokenisation and treat the whole string
	174	as a single token, but with whitespace stripped. */
	175	piece = pat;
	176	while (isSPACE(*pat)) pat++;
	177	while (isSPACE(*(patend-1))) patend--;
	178	/* bsd_glob expects a trailing null, but we cannot mod-
	179	ify the original */
	180	if (patend < SvEND(patsv)) {
	181	if (word) sv_setpvn(word, pat, patend-pat);
	182	else
	183	word = newSVpvn_flags(
	184	pat, patend-pat, SVf_UTF8*is_utf8
	185	);
	186	piece = NULL;
	187	}
	188	else {
	189	if (word) SvREFCNT_dec(word), word=NULL;
	190	piece = pat;
	191	s = patend;
	192	}
	193	goto end_of_parsing;
	194	}
	195	break;
	196	}
e1621fc9 FC	197	case '\\':
	198	if (!piece) piece = s;
	199	s++;
	200	/* If the backslash is here to escape a quote,
	201	obliterate it. */
	202	if (s < patend && (s == '"' \|\| s == '\'')) {
	203	if (!word) {
	204	word = newSVpvn(piece,s-piece-1);
	205	if (is_utf8) SvUTF8_on(word);
	206	}
	207	else sv_catpvn(word, piece, s-piece-1);
	208	piece = s;
	209	}
	210	break;
1bb8785a FC	211	default:
	212	if (isSPACE(*s)) {
	213	if (piece) {
	214	if (!word) {
	215	word = newSVpvn(piece,s-piece);
	216	if (is_utf8) SvUTF8_on(word);
	217	}
	218	else sv_catpvn(word, piece, s-piece);
	219	}
	220	if (!word) break;
	221	if (!patav) patav = (AV )sv_2mortal((SV )newAV());
	222	av_push(patav, word);
	223	word = NULL;
	224	piece = NULL;
	225	}
	226	else if (!piece) piece = s;
	227	break;
	228	}
	229	}
	230	end_of_parsing:
	231
1d6dcc39	232	assert(SvTYPE(entries) != SVt_PVAV);
1bb8785a FC	233	sv_upgrade((SV *)entries, SVt_PVAV);
	234
	235	if (patav) {
	236	I32 items = AvFILLp(patav) + 1;
	237	SV **svp = AvARRAY(patav);
	238	while (items--) {
	239	PUSHMARK(SP);
	240	PUTBACK;
	241	doglob(aTHX_ SvPVXx(*svp++), flags);
	242	SPAGAIN;
	243	{
	244	dMARK;
	245	dORIGMARK;
	246	while (++MARK <= SP)
	247	av_push(entries, SvREFCNT_inc_simple_NN(*MARK));
	248	SP = ORIGMARK;
	249	}
	250	}
	251	}
	252	/* piece is set at this point if there is no trailing whitespace.
	253	It is the beginning of the last token or quote-delimited
	254	piece thereof. word is set at this point if the last token has
	255	multiple quoted pieces. */
	256	if (piece \|\| word) {
	257	if (word) {
	258	if (piece) sv_catpvn(word, piece, s-piece);
	259	piece = SvPVX(word);
	260	}
	261	PUSHMARK(SP);
	262	PUTBACK;
	263	doglob(aTHX_ piece, flags);
	264	if (word) SvREFCNT_dec(word);
	265	SPAGAIN;
	266	{
	267	dMARK;
	268	dORIGMARK;
1bb8785a	269	/* short-circuit here for a fairly common case */
88b04955	270	if (!patav && gimme == G_ARRAY) { PUTBACK; return TRUE; }
c0d74586 FC	271	while (++MARK <= SP)
c0d74586 FC	272	av_push(entries, SvREFCNT_inc_simple_NN(*MARK));
1bb8785a FC	273
	274	SP = ORIGMARK;
	275	}
	276	}
88b04955 FC	277	PUTBACK;
	278	return FALSE;
	279	}
1bb8785a	280
88b04955 FC	281	static void
	282	csh_glob_iter(pTHX)
	283	{
	284	iterate(aTHX_ csh_glob);
1bb8785a FC	285	}
1bb8785a FC	286
f4cbf990 FC	287	/* wrapper around doglob that can be passed to the iterator */
f4cbf990 FC	288	static bool
1d6dcc39	289	doglob_iter_wrapper(pTHX_ AV entries, SV patsv)
f4cbf990 FC	290	{
	291	dSP;
	292	const char *pattern;
	293	int const flags =
	294	(int)SvIV(get_sv("File::Glob::DEFAULT_FLAGS", GV_ADD));
f4cbf990 FC	295
	296	SvGETMAGIC(patsv);
	297	if (
	298	!SvOK(patsv)
	299	&& (patsv = DEFSV, SvGETMAGIC(patsv), !SvOK(patsv))
	300	)
	301	pattern = "";
	302	else pattern = SvPV_nomg_nolen(patsv);
	303
	304	PUSHMARK(SP);
	305	PUTBACK;
	306	doglob(aTHX_ pattern, flags);
	307	SPAGAIN;
	308	{
	309	dMARK;
	310	dORIGMARK;
	311	if (GIMME_V == G_ARRAY) { PUTBACK; return TRUE; }
f4cbf990 FC	312	sv_upgrade((SV *)entries, SVt_PVAV);
	313	while (++MARK <= SP)
	314	av_push(entries, SvREFCNT_inc_simple_NN(*MARK));
	315	SP = ORIGMARK;
	316	}
	317	return FALSE;
	318	}
	319
72b16652 GS	320	MODULE = File::Glob PACKAGE = File::Glob
72b16652 GS	321
b84cd0b1 NC	322	int
	323	GLOB_ERROR()
	324	PREINIT:
	325	dMY_CXT;
	326	CODE:
	327	RETVAL = GLOB_ERROR;
	328	OUTPUT:
	329	RETVAL
	330
72b16652	331	void
960ddb65	332	bsd_glob(pattern,...)
72b16652	333	char *pattern
72b16652 GS	334	PREINIT:
	335	glob_t pglob;
	336	int i;
	337	int retval;
	338	int flags = 0;
	339	SV *tmp;
	340	PPCODE:
	341	{
	342	/* allow for optional flags argument */
	343	if (items > 1) {
	344	flags = (int) SvIV(ST(1));
3c97495f CB	345	/* remove unsupported flags */
3c97495f CB	346	flags &= ~(GLOB_APPEND \| GLOB_DOOFFS \| GLOB_ALTDIRFUNC \| GLOB_MAGCHAR);
960ddb65	347	} else {
28cd8e1d	348	flags = (int) SvIV(get_sv("File::Glob::DEFAULT_FLAGS", GV_ADD));
72b16652	349	}
1bb8785a FC	350
	351	PUTBACK;
	352	doglob(aTHX_ pattern, flags);
	353	SPAGAIN;
	354	}
72b16652	355
1bb8785a FC	356	PROTOTYPES: DISABLE
	357	void
	358	csh_glob(...)
	359	PPCODE:
	360	/* For backward-compatibility with the original Perl function, we sim-
	361	* ply take the first two arguments, regardless of how many there are.
	362	*/
	363	if (items >= 2) SP += 2;
	364	else {
	365	SP += items;
	366	XPUSHs(&PL_sv_undef);
	367	if (!items) XPUSHs(&PL_sv_undef);
72b16652	368	}
1bb8785a	369	PUTBACK;
88b04955	370	csh_glob_iter(aTHX);
1bb8785a	371	SPAGAIN;
72b16652	372
f4cbf990 FC	373	void
	374	bsd_glob_override(...)
	375	PPCODE:
	376	if (items >= 2) SP += 2;
	377	else {
	378	SP += items;
	379	XPUSHs(&PL_sv_undef);
	380	if (!items) XPUSHs(&PL_sv_undef);
	381	}
	382	PUTBACK;
	383	iterate(aTHX_ doglob_iter_wrapper);
	384	SPAGAIN;
	385
28cd8e1d NC	386	BOOT:
28cd8e1d NC	387	{
d67594ff FC	388	#ifndef PERL_EXTERNAL_GLOB
d67594ff FC	389	/* Don’t do this at home! The globhook interface is highly volatile. */
88b04955	390	PL_globhook = csh_glob_iter;
d67594ff	391	#endif
bcd258b8	392	}
28cd8e1d	393
bcd258b8 NC	394	BOOT:
bcd258b8 NC	395	{
28cd8e1d	396	MY_CXT_INIT;
1bb8785a FC	397	{
1bb8785a FC	398	dMY_CXT;
6a606603	399	MY_CXT.x_GLOB_ENTRIES = NULL;
1bb8785a	400	}
28cd8e1d NC	401	}
28cd8e1d NC	402
1cb0fb50	403	INCLUDE: const-xs.inc