[perl5.git] / cygwin / cygwin.c

/*
 * Cygwin extras
 */

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

#include <unistd.h>
#include <process.h>
#include <sys/cygwin.h>
#include <mntent.h>
#include <alloca.h>
#include <dlfcn.h>

/*
 * pp_system() implemented via spawn()
 * - more efficient and useful when embedding Perl in non-Cygwin apps
 * - code mostly borrowed from djgpp.c
 */
static int
do_spawnvp (const char *path, const char * const *argv)
{
    dTHX;
    Sigsave_t ihand,qhand;
    int childpid, result, status;

    rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand);
    rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand);
    childpid = spawnvp(_P_NOWAIT,path,argv);
    if (childpid < 0) {
	status = -1;
	if(ckWARN(WARN_EXEC))
	    Perl_warner(aTHX_ packWARN(WARN_EXEC),"Can't spawn \"%s\": %s",
		    path,Strerror (errno));
    } else {
	do {
	    result = wait4pid(childpid, &status, 0);
	} while (result == -1 && errno == EINTR);
	if(result < 0)
	    status = -1;
    }
    (void)rsignal_restore(SIGINT, &ihand);
    (void)rsignal_restore(SIGQUIT, &qhand);
    return status;
}

int
do_aspawn (SV *really, void **mark, void **sp)
{
    dTHX;
    int  rc;
    char **a,*tmps,**argv; 
    STRLEN n_a; 

    if (sp<=mark)
        return -1;
    a=argv=(char**) alloca ((sp-mark+3)*sizeof (char*));

    while (++mark <= sp)
        if (*mark)
            *a++ = SvPVx((SV *)*mark, n_a);
        else
            *a++ = "";
    *a = Nullch;

    if (argv[0][0] != '/' && argv[0][0] != '\\'
        && !(argv[0][0] && argv[0][1] == ':'
        && (argv[0][2] == '/' || argv[0][2] != '\\'))
     ) /* will swawnvp use PATH? */
         TAINT_ENV();	/* testing IFS here is overkill, probably */

    if (really && *(tmps = SvPV(really, n_a)))
        rc=do_spawnvp (tmps,(const char * const *)argv);
    else
        rc=do_spawnvp (argv[0],(const char *const *)argv);

    return rc;
}

int
do_spawn (char *cmd)
{
    dTHX;
    char **a,*s,*metachars = "$&*(){}[]'\";\\?>|<~`\n";
    const char *command[4];

    while (*cmd && isSPACE(*cmd))
	cmd++;

    if (strnEQ (cmd,"/bin/sh",7) && isSPACE (cmd[7]))
        cmd+=5;

    /* save an extra exec if possible */
    /* see if there are shell metacharacters in it */
    if (strstr (cmd,"..."))
	goto doshell;
    if (*cmd=='.' && isSPACE (cmd[1]))
	goto doshell;
    if (strnEQ (cmd,"exec",4) && isSPACE (cmd[4]))
	goto doshell;
    for (s=cmd; *s && isALPHA (*s); s++) ;	/* catch VAR=val gizmo */
	if (*s=='=')
	    goto doshell;

    for (s=cmd; *s; s++)
	if (strchr (metachars,*s))
	{
	    if (*s=='\n' && s[1]=='\0')
	    {
		*s='\0';
		break;
	    }
	doshell:
	    command[0] = "sh";
	    command[1] = "-c";
	    command[2] = cmd;
	    command[3] = NULL;

	    return do_spawnvp("sh",command);
	}

    Newx (PL_Argv,(s-cmd)/2+2,char*);
    PL_Cmd=savepvn (cmd,s-cmd);
    a=PL_Argv;
    for (s=PL_Cmd; *s;) {
	while (*s && isSPACE (*s)) s++;
	if (*s)
	    *(a++)=s;
	while (*s && !isSPACE (*s)) s++;
	if (*s)
	    *s++='\0';
    }
    *a=Nullch;
    if (!PL_Argv[0])
        return -1;

    return do_spawnvp(PL_Argv[0],(const char * const *)PL_Argv);
}

/* see also Cwd.pm */
XS(Cygwin_cwd)
{
    dXSARGS;
    char *cwd;

    /* See http://rt.perl.org/rt3/Ticket/Display.html?id=38628 
       There is Cwd->cwd() usage in the wild, and previous versions didn't die.
     */
    if(items > 1)
	Perl_croak(aTHX_ "Usage: Cwd::cwd()");
    if((cwd = getcwd(NULL, -1))) {
	ST(0) = sv_2mortal(newSVpv(cwd, 0));
	free(cwd);
#ifndef INCOMPLETE_TAINTS
	SvTAINTED_on(ST(0));
#endif
	XSRETURN(1);
    }
    XSRETURN_UNDEF;
}

XS(XS_Cygwin_pid_to_winpid)
{
    dXSARGS;
    dXSTARG;
    pid_t pid, RETVAL;

    if (items != 1)
        Perl_croak(aTHX_ "Usage: Cygwin::pid_to_winpid(pid)");

    pid = (pid_t)SvIV(ST(0));

    if ((RETVAL = cygwin_internal(CW_CYGWIN_PID_TO_WINPID, pid)) > 0) {
	XSprePUSH; PUSHi((IV)RETVAL);
        XSRETURN(1);
    }
    XSRETURN_UNDEF;
}

XS(XS_Cygwin_winpid_to_pid)
{
    dXSARGS;
    dXSTARG;
    pid_t pid, RETVAL;

    if (items != 1)
        Perl_croak(aTHX_ "Usage: Cygwin::winpid_to_pid(pid)");

    pid = (pid_t)SvIV(ST(0));

    if ((RETVAL = cygwin32_winpid_to_pid(pid)) > 0) {
        XSprePUSH; PUSHi((IV)RETVAL);
        XSRETURN(1);
    }
    XSRETURN_UNDEF;
}

XS(XS_Cygwin_win_to_posix_path)
{
    dXSARGS;
    int absolute_flag = 0;
    STRLEN len;
    int err;
    char *pathname, *buf;

    if (items < 1 || items > 2)
        Perl_croak(aTHX_ "Usage: Cygwin::win_to_posix_path(pathname, [absolute])");

    pathname = SvPV(ST(0), len);
    if (items == 2)
	absolute_flag = SvTRUE(ST(1));

    if (!len)
	Perl_croak(aTHX_ "can't convert empty path");
    buf = (char *) safemalloc (len + 260 + 1001);

    if (absolute_flag)
	err = cygwin_conv_to_full_posix_path(pathname, buf);
    else
	err = cygwin_conv_to_posix_path(pathname, buf);
    if (!err) {
	ST(0) = sv_2mortal(newSVpv(buf, 0));
	safefree(buf);
       XSRETURN(1);
    } else {
	safefree(buf);
	XSRETURN_UNDEF;
    }
}

XS(XS_Cygwin_posix_to_win_path)
{
    dXSARGS;
    int absolute_flag = 0;
    STRLEN len;
    int err;
    char *pathname, *buf;

    if (items < 1 || items > 2)
        Perl_croak(aTHX_ "Usage: Cygwin::posix_to_win_path(pathname, [absolute])");

    pathname = SvPV(ST(0), len);
    if (items == 2)
	absolute_flag = SvTRUE(ST(1));

    if (!len)
	Perl_croak(aTHX_ "can't convert empty path");
    buf = (char *) safemalloc(len + 260 + 1001);

    if (absolute_flag)
	err = cygwin_conv_to_full_win32_path(pathname, buf);
    else
	err = cygwin_conv_to_win32_path(pathname, buf);
    if (!err) {
	ST(0) = sv_2mortal(newSVpv(buf, 0));
	safefree(buf);
       XSRETURN(1);
    } else {
	safefree(buf);
	XSRETURN_UNDEF;
    }
}

XS(XS_Cygwin_mount_table)
{
    dXSARGS;
    struct mntent *mnt;

    if (items != 0)
        Perl_croak(aTHX_ "Usage: Cygwin::mount_table");
    /* => array of [mnt_dir mnt_fsname mnt_type mnt_opts] */

    setmntent (0, 0);
    while ((mnt = getmntent (0))) {
	AV* av = newAV();
	av_push(av, newSVpvn(mnt->mnt_dir, strlen(mnt->mnt_dir)));
	av_push(av, newSVpvn(mnt->mnt_fsname, strlen(mnt->mnt_fsname)));
	av_push(av, newSVpvn(mnt->mnt_type, strlen(mnt->mnt_type)));
	av_push(av, newSVpvn(mnt->mnt_opts, strlen(mnt->mnt_opts)));
	XPUSHs(sv_2mortal(newRV_noinc((SV*)av)));
    }
    endmntent (0);
    PUTBACK;
}

XS(XS_Cygwin_mount_flags)
{
    dXSARGS;
    char *pathname;
    char flags[260];

    if (items != 1)
        Perl_croak(aTHX_ "Usage: Cygwin::mount_flags(mnt_dir|'/cygwin')");

    pathname = SvPV_nolen(ST(0));

    /* TODO: Check for cygdrive registry setting,
     *       and then use CW_GET_CYGDRIVE_INFO
     */
    if (!strcmp(pathname, "/cygdrive")) {
	char user[260];
	char system[260];
	char user_flags[260];
	char system_flags[260];

	cygwin_internal (CW_GET_CYGDRIVE_INFO, user, system, user_flags,
			 system_flags);

        if (strlen(user) > 0) {
            sprintf(flags, "%s,cygdrive,%s", user_flags, user);
        } else {
            sprintf(flags, "%s,cygdrive,%s", system_flags, system);
        }

	ST(0) = sv_2mortal(newSVpv(flags, 0));
	XSRETURN(1);

    } else {
	struct mntent *mnt;
	setmntent (0, 0);
	while ((mnt = getmntent (0))) {
	    if (!strcmp(pathname, mnt->mnt_dir)) {
		strcpy(flags, mnt->mnt_type);
		if (strlen(mnt->mnt_opts) > 0) {
		    strcat(flags, ",");
		    strcat(flags, mnt->mnt_opts);
		}
		break;
	    }
	}
	endmntent (0);
	ST(0) = sv_2mortal(newSVpv(flags, 0));
	XSRETURN(1);
    }
}

XS(XS_Cygwin_is_binmount)
{
    dXSARGS;
    char *pathname;

    if (items != 1)
        Perl_croak(aTHX_ "Usage: Cygwin::is_binmount(pathname)");

    pathname = SvPV_nolen(ST(0));

    ST(0) = boolSV(cygwin_internal(CW_GET_BINMODE, pathname));
    XSRETURN(1);
}

void
init_os_extras(void)
{
    dTHX;
    char *file = __FILE__;
    void *handle;

    newXS("Cwd::cwd", Cygwin_cwd, file);
    newXSproto("Cygwin::winpid_to_pid", XS_Cygwin_winpid_to_pid, file, "$");
    newXSproto("Cygwin::pid_to_winpid", XS_Cygwin_pid_to_winpid, file, "$");
    newXSproto("Cygwin::win_to_posix_path", XS_Cygwin_win_to_posix_path, file, "$;$");
    newXSproto("Cygwin::posix_to_win_path", XS_Cygwin_posix_to_win_path, file, "$;$");
    newXSproto("Cygwin::mount_table", XS_Cygwin_mount_table, file, "");
    newXSproto("Cygwin::mount_flags", XS_Cygwin_mount_flags, file, "$");
    newXSproto("Cygwin::is_binmount", XS_Cygwin_is_binmount, file, "$");

    /* Initialize Win32CORE if it has been statically linked. */
    handle = dlopen(NULL, RTLD_LAZY);
    if (handle) {
        void (*pfn_init)(pTHX);
        pfn_init = (void (*)(pTHX))dlsym(handle, "init_Win32CORE");
        if (pfn_init)
            pfn_init(aTHX);
        dlclose(handle);
    }
}
Commit	Line	Data
5db16f6a EF	1	/*
	2	* Cygwin extras
	3	*/
	4
	5	#include "EXTERN.h"
	6	#include "perl.h"
	7	#undef USE_DYNAMIC_LOADING
	8	#include "XSUB.h"
	9
6b49d266	10	#include <unistd.h>
b4bcd662	11	#include <process.h>
49fd6edc	12	#include <sys/cygwin.h>
a25ce5f3	13	#include <mntent.h>
6d7e4387	14	#include <alloca.h>
9fb265f7	15	#include <dlfcn.h>
5db16f6a	16
b4bcd662 GS	17	/*
	18	* pp_system() implemented via spawn()
	19	* - more efficient and useful when embedding Perl in non-Cygwin apps
	20	* - code mostly borrowed from djgpp.c
	21	*/
	22	static int
	23	do_spawnvp (const char path, const char const *argv)
	24	{
acfe0abc	25	dTHX;
b4bcd662 GS	26	Sigsave_t ihand,qhand;
	27	int childpid, result, status;
	28
ec1aec95 YST	29	rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand);
ec1aec95 YST	30	rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand);
b4bcd662 GS	31	childpid = spawnvp(_P_NOWAIT,path,argv);
	32	if (childpid < 0) {
	33	status = -1;
411caa50	34	if(ckWARN(WARN_EXEC))
f98bc0c6	35	Perl_warner(aTHX_ packWARN(WARN_EXEC),"Can't spawn \"%s\": %s",
b4bcd662	36	path,Strerror (errno));
b4bcd662 GS	37	} else {
	38	do {
	39	result = wait4pid(childpid, &status, 0);
	40	} while (result == -1 && errno == EINTR);
	41	if(result < 0)
	42	status = -1;
	43	}
	44	(void)rsignal_restore(SIGINT, &ihand);
	45	(void)rsignal_restore(SIGQUIT, &qhand);
	46	return status;
	47	}
	48
	49	int
	50	do_aspawn (SV really, void mark, void *sp)
	51	{
acfe0abc	52	dTHX;
b4bcd662 GS	53	int rc;
	54	char *a,tmps,**argv;
	55	STRLEN n_a;
	56
	57	if (sp<=mark)
	58	return -1;
	59	a=argv=(char*) alloca ((sp-mark+3)sizeof (char*));
	60
	61	while (++mark <= sp)
	62	if (*mark)
667e2948	63	a++ = SvPVx((SV )*mark, n_a);
b4bcd662 GS	64	else
	65	*a++ = "";
	66	*a = Nullch;
	67
	68	if (argv[0][0] != '/' && argv[0][0] != '\\'
	69	&& !(argv[0][0] && argv[0][1] == ':'
	70	&& (argv[0][2] == '/' \|\| argv[0][2] != '\\'))
	71	) /* will swawnvp use PATH? */
	72	TAINT_ENV(); /* testing IFS here is overkill, probably */
	73
	74	if (really && *(tmps = SvPV(really, n_a)))
	75	rc=do_spawnvp (tmps,(const char * const *)argv);
	76	else
	77	rc=do_spawnvp (argv[0],(const char const )argv);
	78
	79	return rc;
	80	}
	81
	82	int
	83	do_spawn (char *cmd)
	84	{
acfe0abc	85	dTHX;
b4bcd662 GS	86	char *a,s,metachars = "$&(){}[]'\";\\?>\|<~`\n";
	87	const char *command[4];
	88
	89	while (cmd && isSPACE(cmd))
	90	cmd++;
	91
	92	if (strnEQ (cmd,"/bin/sh",7) && isSPACE (cmd[7]))
	93	cmd+=5;
	94
	95	/* save an extra exec if possible */
	96	/* see if there are shell metacharacters in it */
	97	if (strstr (cmd,"..."))
	98	goto doshell;
	99	if (*cmd=='.' && isSPACE (cmd[1]))
	100	goto doshell;
	101	if (strnEQ (cmd,"exec",4) && isSPACE (cmd[4]))
	102	goto doshell;
	103	for (s=cmd; s && isALPHA (s); s++) ; /* catch VAR=val gizmo */
	104	if (*s=='=')
	105	goto doshell;
	106
	107	for (s=cmd; *s; s++)
	108	if (strchr (metachars,*s))
	109	{
	110	if (*s=='\n' && s[1]=='\0')
	111	{
	112	*s='\0';
	113	break;
	114	}
	115	doshell:
	116	command[0] = "sh";
	117	command[1] = "-c";
	118	command[2] = cmd;
	119	command[3] = NULL;
	120
	121	return do_spawnvp("sh",command);
	122	}
	123
a02a5408	124	Newx (PL_Argv,(s-cmd)/2+2,char*);
b4bcd662 GS	125	PL_Cmd=savepvn (cmd,s-cmd);
	126	a=PL_Argv;
	127	for (s=PL_Cmd; *s;) {
	128	while (s && isSPACE (s)) s++;
	129	if (*s)
	130	*(a++)=s;
	131	while (s && !isSPACE (s)) s++;
	132	if (*s)
	133	*s++='\0';
	134	}
	135	*a=Nullch;
	136	if (!PL_Argv[0])
	137	return -1;
	138
	139	return do_spawnvp(PL_Argv[0],(const char * const *)PL_Argv);
	140	}
5db16f6a EF	141
5db16f6a EF	142	/* see also Cwd.pm */
5db16f6a EF	143	XS(Cygwin_cwd)
	144	{
	145	dXSARGS;
	146	char *cwd;
	147
482150a7 JH	148	/* See http://rt.perl.org/rt3/Ticket/Display.html?id=38628
	149	There is Cwd->cwd() usage in the wild, and previous versions didn't die.
	150	*/
	151	if(items > 1)
5db16f6a	152	Perl_croak(aTHX_ "Usage: Cwd::cwd()");
47dafe4d	153	if((cwd = getcwd(NULL, -1))) {
5db16f6a	154	ST(0) = sv_2mortal(newSVpv(cwd, 0));
a236cecb	155	free(cwd);
6be3b590 JH	156	#ifndef INCOMPLETE_TAINTS
	157	SvTAINTED_on(ST(0));
	158	#endif
5db16f6a EF	159	XSRETURN(1);
	160	}
	161	XSRETURN_UNDEF;
	162	}
	163
49fd6edc YST	164	XS(XS_Cygwin_pid_to_winpid)
	165	{
	166	dXSARGS;
d2dc0126 YST	167	dXSTARG;
	168	pid_t pid, RETVAL;
	169
49fd6edc YST	170	if (items != 1)
49fd6edc YST	171	Perl_croak(aTHX_ "Usage: Cygwin::pid_to_winpid(pid)");
d2dc0126 YST	172
	173	pid = (pid_t)SvIV(ST(0));
	174
49fd6edc YST	175	if ((RETVAL = cygwin_internal(CW_CYGWIN_PID_TO_WINPID, pid)) > 0) {
	176	XSprePUSH; PUSHi((IV)RETVAL);
	177	XSRETURN(1);
	178	}
	179	XSRETURN_UNDEF;
	180	}
	181
49fd6edc YST	182	XS(XS_Cygwin_winpid_to_pid)
	183	{
	184	dXSARGS;
d2dc0126 YST	185	dXSTARG;
	186	pid_t pid, RETVAL;
	187
49fd6edc YST	188	if (items != 1)
49fd6edc YST	189	Perl_croak(aTHX_ "Usage: Cygwin::winpid_to_pid(pid)");
d2dc0126 YST	190
	191	pid = (pid_t)SvIV(ST(0));
	192
49fd6edc YST	193	if ((RETVAL = cygwin32_winpid_to_pid(pid)) > 0) {
	194	XSprePUSH; PUSHi((IV)RETVAL);
	195	XSRETURN(1);
	196	}
	197	XSRETURN_UNDEF;
	198	}
	199
15414d2b RU	200	XS(XS_Cygwin_win_to_posix_path)
	201	{
	202	dXSARGS;
	203	int absolute_flag = 0;
	204	STRLEN len;
	205	int err;
	206	char pathname, buf;
	207
	208	if (items < 1 \|\| items > 2)
	209	Perl_croak(aTHX_ "Usage: Cygwin::win_to_posix_path(pathname, [absolute])");
	210
	211	pathname = SvPV(ST(0), len);
	212	if (items == 2)
	213	absolute_flag = SvTRUE(ST(1));
	214
	215	if (!len)
	216	Perl_croak(aTHX_ "can't convert empty path");
	217	buf = (char *) safemalloc (len + 260 + 1001);
	218
	219	if (absolute_flag)
	220	err = cygwin_conv_to_full_posix_path(pathname, buf);
	221	else
	222	err = cygwin_conv_to_posix_path(pathname, buf);
	223	if (!err) {
	224	ST(0) = sv_2mortal(newSVpv(buf, 0));
	225	safefree(buf);
	226	XSRETURN(1);
	227	} else {
	228	safefree(buf);
	229	XSRETURN_UNDEF;
	230	}
	231	}
	232
	233	XS(XS_Cygwin_posix_to_win_path)
	234	{
	235	dXSARGS;
	236	int absolute_flag = 0;
	237	STRLEN len;
	238	int err;
	239	char pathname, buf;
	240
	241	if (items < 1 \|\| items > 2)
	242	Perl_croak(aTHX_ "Usage: Cygwin::posix_to_win_path(pathname, [absolute])");
	243
	244	pathname = SvPV(ST(0), len);
	245	if (items == 2)
	246	absolute_flag = SvTRUE(ST(1));
	247
	248	if (!len)
	249	Perl_croak(aTHX_ "can't convert empty path");
	250	buf = (char *) safemalloc(len + 260 + 1001);
	251
	252	if (absolute_flag)
	253	err = cygwin_conv_to_full_win32_path(pathname, buf);
	254	else
	255	err = cygwin_conv_to_win32_path(pathname, buf);
	256	if (!err) {
	257	ST(0) = sv_2mortal(newSVpv(buf, 0));
	258	safefree(buf);
	259	XSRETURN(1);
	260	} else {
	261	safefree(buf);
	262	XSRETURN_UNDEF;
	263	}
264	}
265
a25ce5f3 RU	266	XS(XS_Cygwin_mount_table)
	267	{
	268	dXSARGS;
	269	struct mntent *mnt;
	270
	271	if (items != 0)
	272	Perl_croak(aTHX_ "Usage: Cygwin::mount_table");
	273	/* => array of [mnt_dir mnt_fsname mnt_type mnt_opts] */
	274
	275	setmntent (0, 0);
	276	while ((mnt = getmntent (0))) {
	277	AV* av = newAV();
	278	av_push(av, newSVpvn(mnt->mnt_dir, strlen(mnt->mnt_dir)));
	279	av_push(av, newSVpvn(mnt->mnt_fsname, strlen(mnt->mnt_fsname)));
	280	av_push(av, newSVpvn(mnt->mnt_type, strlen(mnt->mnt_type)));
	281	av_push(av, newSVpvn(mnt->mnt_opts, strlen(mnt->mnt_opts)));
	282	XPUSHs(sv_2mortal(newRV_noinc((SV*)av)));
	283	}
	284	endmntent (0);
	285	PUTBACK;
	286	}
	287
	288	XS(XS_Cygwin_mount_flags)
	289	{
	290	dXSARGS;
	291	char *pathname;
	292	char flags[260];
	293
	294	if (items != 1)
74dc058d	295	Perl_croak(aTHX_ "Usage: Cygwin::mount_flags(mnt_dir\|'/cygwin')");
a25ce5f3 RU	296
a25ce5f3 RU	297	pathname = SvPV_nolen(ST(0));
74dc058d JH	298
	299	/* TODO: Check for cygdrive registry setting,
	300	* and then use CW_GET_CYGDRIVE_INFO
a25ce5f3 RU	301	*/
	302	if (!strcmp(pathname, "/cygdrive")) {
	303	char user[260];
	304	char system[260];
	305	char user_flags[260];
	306	char system_flags[260];
74dc058d	307
a25ce5f3 RU	308	cygwin_internal (CW_GET_CYGDRIVE_INFO, user, system, user_flags,
a25ce5f3 RU	309	system_flags);
74dc058d JH	310
	311	if (strlen(user) > 0) {
	312	sprintf(flags, "%s,cygdrive,%s", user_flags, user);
	313	} else {
	314	sprintf(flags, "%s,cygdrive,%s", system_flags, system);
	315	}
	316
a25ce5f3 RU	317	ST(0) = sv_2mortal(newSVpv(flags, 0));
a25ce5f3 RU	318	XSRETURN(1);
74dc058d	319
a25ce5f3 RU	320	} else {
	321	struct mntent *mnt;
	322	setmntent (0, 0);
	323	while ((mnt = getmntent (0))) {
	324	if (!strcmp(pathname, mnt->mnt_dir)) {
	325	strcpy(flags, mnt->mnt_type);
	326	if (strlen(mnt->mnt_opts) > 0) {
	327	strcat(flags, ",");
	328	strcat(flags, mnt->mnt_opts);
	329	}
	330	break;
	331	}
	332	}
	333	endmntent (0);
	334	ST(0) = sv_2mortal(newSVpv(flags, 0));
	335	XSRETURN(1);
	336	}
	337	}
	338
15414d2b RU	339	XS(XS_Cygwin_is_binmount)
	340	{
	341	dXSARGS;
	342	char *pathname;
	343
	344	if (items != 1)
	345	Perl_croak(aTHX_ "Usage: Cygwin::is_binmount(pathname)");
	346
	347	pathname = SvPV_nolen(ST(0));
	348
	349	ST(0) = boolSV(cygwin_internal(CW_GET_BINMODE, pathname));
	350	XSRETURN(1);
	351	}
	352
5db16f6a EF	353	void
	354	init_os_extras(void)
	355	{
5db16f6a	356	dTHX;
9fb265f7 JD	357	char *file = __FILE__;
9fb265f7 JD	358	void *handle;
5db16f6a EF	359
5db16f6a EF	360	newXS("Cwd::cwd", Cygwin_cwd, file);
15414d2b RU	361	newXSproto("Cygwin::winpid_to_pid", XS_Cygwin_winpid_to_pid, file, "$");
	362	newXSproto("Cygwin::pid_to_winpid", XS_Cygwin_pid_to_winpid, file, "$");
	363	newXSproto("Cygwin::win_to_posix_path", XS_Cygwin_win_to_posix_path, file, "$;$");
	364	newXSproto("Cygwin::posix_to_win_path", XS_Cygwin_posix_to_win_path, file, "$;$");
a25ce5f3 RU	365	newXSproto("Cygwin::mount_table", XS_Cygwin_mount_table, file, "");
a25ce5f3 RU	366	newXSproto("Cygwin::mount_flags", XS_Cygwin_mount_flags, file, "$");
15414d2b	367	newXSproto("Cygwin::is_binmount", XS_Cygwin_is_binmount, file, "$");
78ff2d7b	368
9fb265f7 JD	369	/* Initialize Win32CORE if it has been statically linked. */
	370	handle = dlopen(NULL, RTLD_LAZY);
	371	if (handle) {
	372	void (*pfn_init)(pTHX);
	373	pfn_init = (void (*)(pTHX))dlsym(handle, "init_Win32CORE");
	374	if (pfn_init)
	375	pfn_init(aTHX);
	376	dlclose(handle);
78ff2d7b	377	}
5db16f6a	378	}