[perl5.git] / cygwin / cygwin.c

/*
 * Cygwin extras
 */

#define PERLIO_NOT_STDIO 0
#include "EXTERN.h"
#include "perl.h"
#undef USE_DYNAMIC_LOADING
#include "XSUB.h"

#include <unistd.h>
#include <process.h>
#include <sys/cygwin.h>
#include <cygwin/version.h>
#include <mntent.h>
#include <alloca.h>
#include <dlfcn.h>
#if (CYGWIN_VERSION_API_MINOR >= 181)
#include <wchar.h>
#endif

/*
 * 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 const **a;
    char *tmps,**argv;
    STRLEN n_a;

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

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

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

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

    if (strBEGINs (cmd,"/bin/sh") && 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 (strBEGINs (cmd,"exec") && 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;

	    result = do_spawnvp("sh",command);
	    goto leave;
	}

    Newx (argv, (s-cmd)/2+2, const char*);
    SAVEFREEPV(argv);
    cmd=savepvn (cmd,s-cmd);
    SAVEFREEPV(cmd);
    a=argv;
    for (s=cmd; *s;) {
	while (*s && isSPACE (*s)) s++;
	if (*s)
	    *(a++)=s;
	while (*s && !isSPACE (*s)) s++;
	if (*s)
	    *s++='\0';
    }
    *a = (char*)NULL;
    if (!argv[0])
        result = -1;
    else
	result = do_spawnvp(argv[0],(const char * const *)argv);
leave:
    LEAVE;
    return result;
}

#if (CYGWIN_VERSION_API_MINOR >= 181)
char*
wide_to_utf8(const wchar_t *wbuf)
{
    char *buf;
    int wlen = 0;
    char *oldlocale;

    /* Here and elsewhere in this file, we have a critical section to prevent
     * another thread from changing the locale out from under us.  XXX But why
     * not just use uvchr_to_utf8? */
    LOCALE_LOCK;

    oldlocale = setlocale(LC_CTYPE, NULL);
    setlocale(LC_CTYPE, "utf-8");

    /* uvchr_to_utf8(buf, chr) or Encoding::_bytes_to_utf8(sv, "UCS-2BE"); */
    wlen = wcsrtombs(NULL, (const wchar_t **)&wbuf, wlen, NULL);
    buf = (char *) safemalloc(wlen+1);
    wcsrtombs(buf, (const wchar_t **)&wbuf, wlen, NULL);

    if (oldlocale) setlocale(LC_CTYPE, oldlocale);
    else setlocale(LC_CTYPE, "C");

    LOCALE_UNLOCK;

    return buf;
}

wchar_t*
utf8_to_wide(const char *buf)
{
    wchar_t *wbuf;
    mbstate_t mbs;
    char *oldlocale;
    int wlen = sizeof(wchar_t)*strlen(buf);

    LOCALE_LOCK;

    oldlocale = setlocale(LC_CTYPE, NULL);

    setlocale(LC_CTYPE, "utf-8");
    wbuf = (wchar_t *) safemalloc(wlen);
    /* utf8_to_uvchr_buf(pathname, pathname + wlen, wpath) or Encoding::_utf8_to_bytes(sv, "UCS-2BE"); */
    wlen = mbsrtowcs(wbuf, (const char**)&buf, wlen, &mbs);

    if (oldlocale) setlocale(LC_CTYPE, oldlocale);
    else setlocale(LC_CTYPE, "C");

    LOCALE_UNLOCK;

    return wbuf;
}
#endif /* cygwin 1.7 */

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

    /* See https://github.com/Perl/perl5/issues/8345
       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);
	SvTAINTED_on(ST(0));
	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 (CYGWIN_VERSION_API_MINOR >= 181)
    RETVAL = cygwin_winpid_to_pid(pid);
#else
    RETVAL = cygwin32_winpid_to_pid(pid);
#endif
    if (RETVAL > 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 = 0;
    char *src_path;
    char *posix_path;
    int isutf8 = 0;

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

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

    if (!len)
	Perl_croak(aTHX_ "can't convert empty path");
    isutf8 = SvUTF8(ST(0));

#if (CYGWIN_VERSION_API_MINOR >= 181)
    /* Check utf8 flag and use wide api then.
       Size calculation: On overflow let cygwin_conv_path calculate the final size.
     */
    if (isutf8) {
	int what = absolute_flag ? CCP_WIN_W_TO_POSIX : CCP_WIN_W_TO_POSIX | CCP_RELATIVE;
	STRLEN wlen = sizeof(wchar_t)*(len + 260 + 1001);
	wchar_t *wpath = (wchar_t *) safemalloc(sizeof(wchar_t)*len);
	wchar_t *wbuf = (wchar_t *) safemalloc(wlen);
	if (!IN_BYTES) {
	    mbstate_t mbs;
            char *oldlocale;

            LOCALE_LOCK;

            oldlocale = setlocale(LC_CTYPE, NULL);
            setlocale(LC_CTYPE, "utf-8");
	    /* utf8_to_uvchr_buf(src_path, src_path + wlen, wpath) or Encoding::_utf8_to_bytes(sv, "UCS-2BE"); */
	    wlen = mbsrtowcs(wpath, (const char**)&src_path, wlen, &mbs);
	    if (wlen > 0)
		err = cygwin_conv_path(what, wpath, wbuf, wlen);
            if (oldlocale) setlocale(LC_CTYPE, oldlocale);
            else setlocale(LC_CTYPE, "C");

            LOCALE_UNLOCK;
	} else { /* use bytes; assume already ucs-2 encoded bytestream */
	    err = cygwin_conv_path(what, src_path, wbuf, wlen);
	}
	if (err == ENOSPC) { /* our space assumption was wrong, not enough space */
	    int newlen = cygwin_conv_path(what, wpath, wbuf, 0);
	    wbuf = (wchar_t *) realloc(&wbuf, newlen);
	    err = cygwin_conv_path(what, wpath, wbuf, newlen);
	    wlen = newlen;
	}
	/* utf16_to_utf8(*p, *d, bytlen, *newlen) */
	posix_path = (char *) safemalloc(wlen*3);
	Perl_utf16_to_utf8(aTHX_ (U8*)&wpath, (U8*)posix_path, wlen*2, &len);
	/*
	wlen = wcsrtombs(NULL, (const wchar_t **)&wbuf, wlen, NULL);
	posix_path = (char *) safemalloc(wlen+1);
	wcsrtombs(posix_path, (const wchar_t **)&wbuf, wlen, NULL);
	*/
    } else {
	int what = absolute_flag ? CCP_WIN_A_TO_POSIX : CCP_WIN_A_TO_POSIX | CCP_RELATIVE;
	posix_path = (char *) safemalloc (len + 260 + 1001);
	err = cygwin_conv_path(what, src_path, posix_path, len + 260 + 1001);
	if (err == ENOSPC) { /* our space assumption was wrong, not enough space */
	    int newlen = cygwin_conv_path(what, src_path, posix_path, 0);
	    posix_path = (char *) realloc(&posix_path, newlen);
	    err = cygwin_conv_path(what, src_path, posix_path, newlen);
	}
    }
#else
    posix_path = (char *) safemalloc (len + 260 + 1001);
    if (absolute_flag)
	err = cygwin_conv_to_full_posix_path(src_path, posix_path);
    else
	err = cygwin_conv_to_posix_path(src_path, posix_path);
#endif
    if (!err) {
	EXTEND(SP, 1);
	ST(0) = sv_2mortal(newSVpv(posix_path, 0));
	if (isutf8) { /* src was utf-8, so result should also */
	    /* TODO: convert ANSI (local windows encoding) to utf-8 on cygwin-1.5 */
	    SvUTF8_on(ST(0));
	}
	safefree(posix_path);
        XSRETURN(1);
    } else {
	safefree(posix_path);
	XSRETURN_UNDEF;
    }
}

XS(XS_Cygwin_posix_to_win_path)
{
    dXSARGS;
    int absolute_flag = 0;
    STRLEN len;
    int err = 0;
    char *src_path, *win_path;
    int isutf8 = 0;

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

    src_path = SvPVx(ST(0), len);
    if (items == 2)
	absolute_flag = SvTRUE(ST(1));

    if (!len)
	Perl_croak(aTHX_ "can't convert empty path");
    isutf8 = SvUTF8(ST(0));
#if (CYGWIN_VERSION_API_MINOR >= 181)
    /* Check utf8 flag and use wide api then.
       Size calculation: On overflow let cygwin_conv_path calculate the final size.
     */
    if (isutf8) {
	int what = absolute_flag ? CCP_POSIX_TO_WIN_W : CCP_POSIX_TO_WIN_W | CCP_RELATIVE;
	int wlen = sizeof(wchar_t)*(len + 260 + 1001);
	wchar_t *wpath = (wchar_t *) safemalloc(sizeof(wchar_t)*len);
	wchar_t *wbuf = (wchar_t *) safemalloc(wlen);
	char *oldlocale;

        LOCALE_LOCK;

	oldlocale = setlocale(LC_CTYPE, NULL);
	setlocale(LC_CTYPE, "utf-8");
	if (!IN_BYTES) {
	    mbstate_t mbs;
	    /* utf8_to_uvchr_buf(src_path, src_path + wlen, wpath) or Encoding::_utf8_to_bytes(sv, "UCS-2BE"); */
	    wlen = mbsrtowcs(wpath, (const char**)&src_path, wlen, &mbs);
	    if (wlen > 0)
		err = cygwin_conv_path(what, wpath, wbuf, wlen);
	} else { /* use bytes; assume already ucs-2 encoded bytestream */
	    err = cygwin_conv_path(what, src_path, wbuf, wlen);
	}
	if (err == ENOSPC) { /* our space assumption was wrong, not enough space */
	    int newlen = cygwin_conv_path(what, wpath, wbuf, 0);
	    wbuf = (wchar_t *) realloc(&wbuf, newlen);
	    err = cygwin_conv_path(what, wpath, wbuf, newlen);
	    wlen = newlen;
	}
	/* also see utf8.c: Perl_utf16_to_utf8() or Encoding::_bytes_to_utf8(sv, "UCS-2BE"); */
	wlen = wcsrtombs(NULL, (const wchar_t **)&wbuf, wlen, NULL);
	win_path = (char *) safemalloc(wlen+1);
	wcsrtombs(win_path, (const wchar_t **)&wbuf, wlen, NULL);
	if (oldlocale) setlocale(LC_CTYPE, oldlocale);
	else setlocale(LC_CTYPE, "C");

        LOCALE_UNLOCK;
    } else {
	int what = absolute_flag ? CCP_POSIX_TO_WIN_A : CCP_POSIX_TO_WIN_A | CCP_RELATIVE;
	win_path = (char *) safemalloc(len + 260 + 1001);
	err = cygwin_conv_path(what, src_path, win_path, len + 260 + 1001);
	if (err == ENOSPC) { /* our space assumption was wrong, not enough space */
	    int newlen = cygwin_conv_path(what, src_path, win_path, 0);
	    win_path = (char *) realloc(&win_path, newlen);
	    err = cygwin_conv_path(what, src_path, win_path, newlen);
	}
    }
#else
    if (isutf8)
	Perl_warn(aTHX_ "can't convert utf8 path");
    win_path = (char *) safemalloc(len + 260 + 1001);
    if (absolute_flag)
	err = cygwin_conv_to_full_win32_path(src_path, win_path);
    else
	err = cygwin_conv_to_win32_path(src_path, win_path);
#endif
    if (!err) {
	EXTEND(SP, 1);
	ST(0) = sv_2mortal(newSVpv(win_path, 0));
	if (isutf8) {
	    SvUTF8_on(ST(0));
	}
	safefree(win_path);
	XSRETURN(1);
    } else {
	safefree(win_path);
	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[PATH_MAX];
    flags[0] = '\0';

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

    pathname = SvPV_nolen(ST(0));

    if (strEQ(pathname, "/cygdrive")) {
	char user[PATH_MAX];
	char system[PATH_MAX];
	char user_flags[PATH_MAX];
	char system_flags[PATH_MAX];

	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;
	int found = 0;
	setmntent (0, 0);
	while ((mnt = getmntent (0))) {
	    if (strEQ(pathname, mnt->mnt_dir)) {
		strcpy(flags, mnt->mnt_type);
		if (strlen(mnt->mnt_opts) > 0) {
		    strcat(flags, ",");
		    strcat(flags, mnt->mnt_opts);
		}
		found++;
		break;
	    }
	}
	endmntent (0);

	/* Check if arg is the current volume moint point if not default,
	 * and then use CW_GET_CYGDRIVE_INFO also.
	 */
	if (!found) {
	    char user[PATH_MAX];
	    char system[PATH_MAX];
	    char user_flags[PATH_MAX];
	    char system_flags[PATH_MAX];

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

	    if (strlen(user) > 0) {
		if (strNE(user,pathname)) {
		    sprintf(flags, "%s,cygdrive,%s", user_flags, user);
		    found++;
		}
	    } else {
		if (strNE(user,pathname)) {
		    sprintf(flags, "%s,cygdrive,%s", system_flags, system);
		    found++;
		}
	    }
	}
	if (found) {
	    ST(0) = sv_2mortal(newSVpv(flags, 0));
	    XSRETURN(1);
	} else {
	    XSRETURN_UNDEF;
	}
    }
}

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);
}

XS(XS_Cygwin_sync_winenv){ cygwin_internal(CW_SYNC_WINENV); }

void
init_os_extras(void)
{
    dTHX;
    char const *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, "$");
    newXSproto("Cygwin::is_binmount", XS_Cygwin_is_binmount, file, "$");
    newXS("Cygwin::sync_winenv", XS_Cygwin_sync_winenv, 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 FE	1	/*
	2	* Cygwin extras
	3	*/
	4
6cc44f62	5	#define PERLIO_NOT_STDIO 0
5db16f6a FE	6	#include "EXTERN.h"
	7	#include "perl.h"
	8	#undef USE_DYNAMIC_LOADING
	9	#include "XSUB.h"
	10
6b49d266	11	#include <unistd.h>
b4bcd662	12	#include <process.h>
49fd6edc	13	#include <sys/cygwin.h>
803e389c	14	#include <cygwin/version.h>
a25ce5f3	15	#include <mntent.h>
6d7e4387	16	#include <alloca.h>
9fb265f7	17	#include <dlfcn.h>
803e389c RU	18	#if (CYGWIN_VERSION_API_MINOR >= 181)
	19	#include <wchar.h>
	20	#endif
5db16f6a	21
b4bcd662 GS	22	/*
	23	* pp_system() implemented via spawn()
	24	* - more efficient and useful when embedding Perl in non-Cygwin apps
	25	* - code mostly borrowed from djgpp.c
	26	*/
	27	static int
	28	do_spawnvp (const char path, const char const *argv)
	29	{
acfe0abc	30	dTHX;
b4bcd662 GS	31	Sigsave_t ihand,qhand;
	32	int childpid, result, status;
	33
ec1aec95 YST	34	rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand);
ec1aec95 YST	35	rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand);
b4bcd662 GS	36	childpid = spawnvp(_P_NOWAIT,path,argv);
	37	if (childpid < 0) {
	38	status = -1;
411caa50	39	if(ckWARN(WARN_EXEC))
f98bc0c6	40	Perl_warner(aTHX_ packWARN(WARN_EXEC),"Can't spawn \"%s\": %s",
b4bcd662	41	path,Strerror (errno));
b4bcd662 GS	42	} else {
	43	do {
	44	result = wait4pid(childpid, &status, 0);
	45	} while (result == -1 && errno == EINTR);
	46	if(result < 0)
	47	status = -1;
	48	}
	49	(void)rsignal_restore(SIGINT, &ihand);
	50	(void)rsignal_restore(SIGQUIT, &qhand);
	51	return status;
	52	}
	53
	54	int
	55	do_aspawn (SV really, void mark, void *sp)
	56	{
acfe0abc	57	dTHX;
b4bcd662	58	int rc;
a4ec4e68 JHR	59	char const **a;
	60	char tmps,*argv;
	61	STRLEN n_a;
b4bcd662 GS	62
	63	if (sp<=mark)
	64	return -1;
a4ec4e68 JHR	65	argv=(char*) alloca ((sp-mark+3)sizeof (char*));
a4ec4e68 JHR	66	a=(char const **)argv;
b4bcd662 GS	67
	68	while (++mark <= sp)
	69	if (*mark)
667e2948	70	a++ = SvPVx((SV )*mark, n_a);
b4bcd662 GS	71	else
b4bcd662 GS	72	*a++ = "";
dfe169ee	73	a = (char)NULL;
b4bcd662 GS	74
	75	if (argv[0][0] != '/' && argv[0][0] != '\\'
	76	&& !(argv[0][0] && argv[0][1] == ':'
	77	&& (argv[0][2] == '/' \|\| argv[0][2] != '\\'))
	78	) /* will swawnvp use PATH? */
	79	TAINT_ENV(); /* testing IFS here is overkill, probably */
	80
	81	if (really && *(tmps = SvPV(really, n_a)))
	82	rc=do_spawnvp (tmps,(const char * const *)argv);
	83	else
	84	rc=do_spawnvp (argv[0],(const char const )argv);
	85
	86	return rc;
	87	}
	88
	89	int
	90	do_spawn (char *cmd)
	91	{
acfe0abc	92	dTHX;
282fc0b3	93	char const argv, a;
a4ec4e68 JHR	94	char *s;
a4ec4e68 JHR	95	char const metachars = "$&(){}[]'\";\\?>\|<~`\n";
b4bcd662	96	const char *command[4];
282fc0b3	97	int result;
b4bcd662	98
282fc0b3	99	ENTER;
b4bcd662 GS	100	while (cmd && isSPACE(cmd))
	101	cmd++;
	102
f55ac4a4	103	if (strBEGINs (cmd,"/bin/sh") && isSPACE (cmd[7]))
b4bcd662 GS	104	cmd+=5;
	105
	106	/* save an extra exec if possible */
	107	/* see if there are shell metacharacters in it */
	108	if (strstr (cmd,"..."))
	109	goto doshell;
	110	if (*cmd=='.' && isSPACE (cmd[1]))
	111	goto doshell;
f55ac4a4	112	if (strBEGINs (cmd,"exec") && isSPACE (cmd[4]))
b4bcd662 GS	113	goto doshell;
b4bcd662 GS	114	for (s=cmd; s && isALPHA (s); s++) ; /* catch VAR=val gizmo */
4e650215 KW	115	if (*s=='=')
4e650215 KW	116	goto doshell;
b4bcd662 GS	117
	118	for (s=cmd; *s; s++)
	119	if (strchr (metachars,*s))
	120	{
	121	if (*s=='\n' && s[1]=='\0')
	122	{
	123	*s='\0';
	124	break;
	125	}
	126	doshell:
	127	command[0] = "sh";
	128	command[1] = "-c";
	129	command[2] = cmd;
	130	command[3] = NULL;
	131
282fc0b3 Z	132	result = do_spawnvp("sh",command);
282fc0b3 Z	133	goto leave;
b4bcd662 GS	134	}
b4bcd662 GS	135
282fc0b3 Z	136	Newx (argv, (s-cmd)/2+2, const char*);
	137	SAVEFREEPV(argv);
	138	cmd=savepvn (cmd,s-cmd);
	139	SAVEFREEPV(cmd);
	140	a=argv;
	141	for (s=cmd; *s;) {
b4bcd662 GS	142	while (s && isSPACE (s)) s++;
	143	if (*s)
	144	*(a++)=s;
	145	while (s && !isSPACE (s)) s++;
	146	if (*s)
	147	*s++='\0';
	148	}
dfe169ee	149	a = (char)NULL;
282fc0b3 Z	150	if (!argv[0])
	151	result = -1;
	152	else
	153	result = do_spawnvp(argv[0],(const char * const *)argv);
	154	leave:
	155	LEAVE;
	156	return result;
b4bcd662	157	}
5db16f6a	158
803e389c RU	159	#if (CYGWIN_VERSION_API_MINOR >= 181)
	160	char*
	161	wide_to_utf8(const wchar_t *wbuf)
	162	{
	163	char *buf;
	164	int wlen = 0;
a0b53297	165	char *oldlocale;
a0b53297 KW	166
	167	/* Here and elsewhere in this file, we have a critical section to prevent
	168	* another thread from changing the locale out from under us. XXX But why
	169	* not just use uvchr_to_utf8? */
	170	LOCALE_LOCK;
	171
	172	oldlocale = setlocale(LC_CTYPE, NULL);
803e389c RU	173	setlocale(LC_CTYPE, "utf-8");
803e389c RU	174
c80e42f3	175	/* uvchr_to_utf8(buf, chr) or Encoding::_bytes_to_utf8(sv, "UCS-2BE"); */
803e389c RU	176	wlen = wcsrtombs(NULL, (const wchar_t **)&wbuf, wlen, NULL);
	177	buf = (char *) safemalloc(wlen+1);
	178	wcsrtombs(buf, (const wchar_t **)&wbuf, wlen, NULL);
	179
	180	if (oldlocale) setlocale(LC_CTYPE, oldlocale);
	181	else setlocale(LC_CTYPE, "C");
a0b53297 KW	182
	183	LOCALE_UNLOCK;
	184
803e389c RU	185	return buf;
	186	}
	187
	188	wchar_t*
	189	utf8_to_wide(const char *buf)
	190	{
	191	wchar_t *wbuf;
	192	mbstate_t mbs;
a0b53297	193	char *oldlocale;
803e389c	194	int wlen = sizeof(wchar_t)*strlen(buf);
a0b53297 KW	195
	196	LOCALE_LOCK;
	197
	198	oldlocale = setlocale(LC_CTYPE, NULL);
803e389c RU	199
	200	setlocale(LC_CTYPE, "utf-8");
	201	wbuf = (wchar_t *) safemalloc(wlen);
c80e42f3	202	/* utf8_to_uvchr_buf(pathname, pathname + wlen, wpath) or Encoding::_utf8_to_bytes(sv, "UCS-2BE"); */
803e389c RU	203	wlen = mbsrtowcs(wbuf, (const char**)&buf, wlen, &mbs);
	204
	205	if (oldlocale) setlocale(LC_CTYPE, oldlocale);
	206	else setlocale(LC_CTYPE, "C");
a0b53297 KW	207
	208	LOCALE_UNLOCK;
	209
803e389c RU	210	return wbuf;
	211	}
	212	#endif /* cygwin 1.7 */
	213
5db16f6a	214	/* see also Cwd.pm */
5db16f6a FE	215	XS(Cygwin_cwd)
	216	{
	217	dXSARGS;
	218	char *cwd;
	219
8034715d	220	/* See https://github.com/Perl/perl5/issues/8345
482150a7 JH	221	There is Cwd->cwd() usage in the wild, and previous versions didn't die.
	222	*/
	223	if(items > 1)
5db16f6a	224	Perl_croak(aTHX_ "Usage: Cwd::cwd()");
47dafe4d	225	if((cwd = getcwd(NULL, -1))) {
5db16f6a	226	ST(0) = sv_2mortal(newSVpv(cwd, 0));
a236cecb	227	free(cwd);
6be3b590	228	SvTAINTED_on(ST(0));
5db16f6a FE	229	XSRETURN(1);
	230	}
	231	XSRETURN_UNDEF;
	232	}
	233
49fd6edc YST	234	XS(XS_Cygwin_pid_to_winpid)
	235	{
	236	dXSARGS;
d2dc0126 YST	237	dXSTARG;
	238	pid_t pid, RETVAL;
	239
49fd6edc YST	240	if (items != 1)
49fd6edc YST	241	Perl_croak(aTHX_ "Usage: Cygwin::pid_to_winpid(pid)");
d2dc0126 YST	242
	243	pid = (pid_t)SvIV(ST(0));
	244
49fd6edc YST	245	if ((RETVAL = cygwin_internal(CW_CYGWIN_PID_TO_WINPID, pid)) > 0) {
	246	XSprePUSH; PUSHi((IV)RETVAL);
	247	XSRETURN(1);
	248	}
	249	XSRETURN_UNDEF;
	250	}
	251
49fd6edc YST	252	XS(XS_Cygwin_winpid_to_pid)
	253	{
	254	dXSARGS;
d2dc0126 YST	255	dXSTARG;
	256	pid_t pid, RETVAL;
	257
49fd6edc YST	258	if (items != 1)
49fd6edc YST	259	Perl_croak(aTHX_ "Usage: Cygwin::winpid_to_pid(pid)");
d2dc0126 YST	260
	261	pid = (pid_t)SvIV(ST(0));
	262
803e389c RU	263	#if (CYGWIN_VERSION_API_MINOR >= 181)
	264	RETVAL = cygwin_winpid_to_pid(pid);
	265	#else
	266	RETVAL = cygwin32_winpid_to_pid(pid);
	267	#endif
	268	if (RETVAL > 0) {
49fd6edc YST	269	XSprePUSH; PUSHi((IV)RETVAL);
	270	XSRETURN(1);
	271	}
	272	XSRETURN_UNDEF;
	273	}
	274
15414d2b	275	XS(XS_Cygwin_win_to_posix_path)
803e389c	276
15414d2b RU	277	{
	278	dXSARGS;
	279	int absolute_flag = 0;
	280	STRLEN len;
ba495c01	281	int err = 0;
803e389c RU	282	char *src_path;
	283	char *posix_path;
	284	int isutf8 = 0;
15414d2b RU	285
	286	if (items < 1 \|\| items > 2)
	287	Perl_croak(aTHX_ "Usage: Cygwin::win_to_posix_path(pathname, [absolute])");
	288
803e389c	289	src_path = SvPV(ST(0), len);
15414d2b RU	290	if (items == 2)
	291	absolute_flag = SvTRUE(ST(1));
	292
	293	if (!len)
	294	Perl_croak(aTHX_ "can't convert empty path");
803e389c	295	isutf8 = SvUTF8(ST(0));
15414d2b	296
803e389c RU	297	#if (CYGWIN_VERSION_API_MINOR >= 181)
	298	/* Check utf8 flag and use wide api then.
	299	Size calculation: On overflow let cygwin_conv_path calculate the final size.
	300	*/
	301	if (isutf8) {
	302	int what = absolute_flag ? CCP_WIN_W_TO_POSIX : CCP_WIN_W_TO_POSIX \| CCP_RELATIVE;
dad3daef	303	STRLEN wlen = sizeof(wchar_t)*(len + 260 + 1001);
803e389c RU	304	wchar_t wpath = (wchar_t ) safemalloc(sizeof(wchar_t)*len);
	305	wchar_t wbuf = (wchar_t ) safemalloc(wlen);
	306	if (!IN_BYTES) {
	307	mbstate_t mbs;
a0b53297	308	char *oldlocale;
a0b53297 KW	309
	310	LOCALE_LOCK;
	311
	312	oldlocale = setlocale(LC_CTYPE, NULL);
803e389c	313	setlocale(LC_CTYPE, "utf-8");
c80e42f3	314	/* utf8_to_uvchr_buf(src_path, src_path + wlen, wpath) or Encoding::_utf8_to_bytes(sv, "UCS-2BE"); */
803e389c RU	315	wlen = mbsrtowcs(wpath, (const char**)&src_path, wlen, &mbs);
	316	if (wlen > 0)
	317	err = cygwin_conv_path(what, wpath, wbuf, wlen);
	318	if (oldlocale) setlocale(LC_CTYPE, oldlocale);
	319	else setlocale(LC_CTYPE, "C");
a0b53297 KW	320
a0b53297 KW	321	LOCALE_UNLOCK;
803e389c RU	322	} else { /* use bytes; assume already ucs-2 encoded bytestream */
	323	err = cygwin_conv_path(what, src_path, wbuf, wlen);
	324	}
	325	if (err == ENOSPC) { /* our space assumption was wrong, not enough space */
	326	int newlen = cygwin_conv_path(what, wpath, wbuf, 0);
	327	wbuf = (wchar_t *) realloc(&wbuf, newlen);
	328	err = cygwin_conv_path(what, wpath, wbuf, newlen);
	329	wlen = newlen;
	330	}
	331	/* utf16_to_utf8(p, d, bytlen, newlen) /
	332	posix_path = (char ) safemalloc(wlen3);
dad3daef	333	Perl_utf16_to_utf8(aTHX_ (U8)&wpath, (U8)posix_path, wlen*2, &len);
803e389c RU	334	/*
	335	wlen = wcsrtombs(NULL, (const wchar_t **)&wbuf, wlen, NULL);
	336	posix_path = (char *) safemalloc(wlen+1);
	337	wcsrtombs(posix_path, (const wchar_t **)&wbuf, wlen, NULL);
	338	*/
	339	} else {
	340	int what = absolute_flag ? CCP_WIN_A_TO_POSIX : CCP_WIN_A_TO_POSIX \| CCP_RELATIVE;
	341	posix_path = (char *) safemalloc (len + 260 + 1001);
	342	err = cygwin_conv_path(what, src_path, posix_path, len + 260 + 1001);
	343	if (err == ENOSPC) { /* our space assumption was wrong, not enough space */
	344	int newlen = cygwin_conv_path(what, src_path, posix_path, 0);
	345	posix_path = (char *) realloc(&posix_path, newlen);
	346	err = cygwin_conv_path(what, src_path, posix_path, newlen);
	347	}
	348	}
	349	#else
	350	posix_path = (char *) safemalloc (len + 260 + 1001);
15414d2b	351	if (absolute_flag)
803e389c	352	err = cygwin_conv_to_full_posix_path(src_path, posix_path);
15414d2b	353	else
803e389c RU	354	err = cygwin_conv_to_posix_path(src_path, posix_path);
803e389c RU	355	#endif
15414d2b	356	if (!err) {
803e389c RU	357	EXTEND(SP, 1);
	358	ST(0) = sv_2mortal(newSVpv(posix_path, 0));
	359	if (isutf8) { /* src was utf-8, so result should also */
	360	/* TODO: convert ANSI (local windows encoding) to utf-8 on cygwin-1.5 */
	361	SvUTF8_on(ST(0));
	362	}
	363	safefree(posix_path);
	364	XSRETURN(1);
15414d2b	365	} else {
803e389c	366	safefree(posix_path);
15414d2b RU	367	XSRETURN_UNDEF;
	368	}
	369	}
	370
	371	XS(XS_Cygwin_posix_to_win_path)
	372	{
	373	dXSARGS;
	374	int absolute_flag = 0;
	375	STRLEN len;
ba495c01	376	int err = 0;
803e389c RU	377	char src_path, win_path;
803e389c RU	378	int isutf8 = 0;
15414d2b RU	379
	380	if (items < 1 \|\| items > 2)
	381	Perl_croak(aTHX_ "Usage: Cygwin::posix_to_win_path(pathname, [absolute])");
	382
803e389c	383	src_path = SvPVx(ST(0), len);
15414d2b RU	384	if (items == 2)
	385	absolute_flag = SvTRUE(ST(1));
	386
	387	if (!len)
	388	Perl_croak(aTHX_ "can't convert empty path");
803e389c RU	389	isutf8 = SvUTF8(ST(0));
	390	#if (CYGWIN_VERSION_API_MINOR >= 181)
	391	/* Check utf8 flag and use wide api then.
	392	Size calculation: On overflow let cygwin_conv_path calculate the final size.
	393	*/
	394	if (isutf8) {
	395	int what = absolute_flag ? CCP_POSIX_TO_WIN_W : CCP_POSIX_TO_WIN_W \| CCP_RELATIVE;
	396	int wlen = sizeof(wchar_t)*(len + 260 + 1001);
	397	wchar_t wpath = (wchar_t ) safemalloc(sizeof(wchar_t)*len);
	398	wchar_t wbuf = (wchar_t ) safemalloc(wlen);
a0b53297	399	char *oldlocale;
a0b53297 KW	400
	401	LOCALE_LOCK;
	402
	403	oldlocale = setlocale(LC_CTYPE, NULL);
803e389c RU	404	setlocale(LC_CTYPE, "utf-8");
	405	if (!IN_BYTES) {
	406	mbstate_t mbs;
c80e42f3	407	/* utf8_to_uvchr_buf(src_path, src_path + wlen, wpath) or Encoding::_utf8_to_bytes(sv, "UCS-2BE"); */
803e389c RU	408	wlen = mbsrtowcs(wpath, (const char**)&src_path, wlen, &mbs);
	409	if (wlen > 0)
	410	err = cygwin_conv_path(what, wpath, wbuf, wlen);
	411	} else { /* use bytes; assume already ucs-2 encoded bytestream */
	412	err = cygwin_conv_path(what, src_path, wbuf, wlen);
	413	}
	414	if (err == ENOSPC) { /* our space assumption was wrong, not enough space */
	415	int newlen = cygwin_conv_path(what, wpath, wbuf, 0);
	416	wbuf = (wchar_t *) realloc(&wbuf, newlen);
	417	err = cygwin_conv_path(what, wpath, wbuf, newlen);
	418	wlen = newlen;
	419	}
	420	/* also see utf8.c: Perl_utf16_to_utf8() or Encoding::_bytes_to_utf8(sv, "UCS-2BE"); */
	421	wlen = wcsrtombs(NULL, (const wchar_t **)&wbuf, wlen, NULL);
	422	win_path = (char *) safemalloc(wlen+1);
	423	wcsrtombs(win_path, (const wchar_t **)&wbuf, wlen, NULL);
	424	if (oldlocale) setlocale(LC_CTYPE, oldlocale);
	425	else setlocale(LC_CTYPE, "C");
a0b53297 KW	426
a0b53297 KW	427	LOCALE_UNLOCK;
803e389c RU	428	} else {
	429	int what = absolute_flag ? CCP_POSIX_TO_WIN_A : CCP_POSIX_TO_WIN_A \| CCP_RELATIVE;
	430	win_path = (char *) safemalloc(len + 260 + 1001);
	431	err = cygwin_conv_path(what, src_path, win_path, len + 260 + 1001);
	432	if (err == ENOSPC) { /* our space assumption was wrong, not enough space */
	433	int newlen = cygwin_conv_path(what, src_path, win_path, 0);
	434	win_path = (char *) realloc(&win_path, newlen);
	435	err = cygwin_conv_path(what, src_path, win_path, newlen);
	436	}
	437	}
	438	#else
	439	if (isutf8)
	440	Perl_warn(aTHX_ "can't convert utf8 path");
	441	win_path = (char *) safemalloc(len + 260 + 1001);
15414d2b	442	if (absolute_flag)
803e389c	443	err = cygwin_conv_to_full_win32_path(src_path, win_path);
15414d2b	444	else
803e389c RU	445	err = cygwin_conv_to_win32_path(src_path, win_path);
803e389c RU	446	#endif
15414d2b	447	if (!err) {
803e389c RU	448	EXTEND(SP, 1);
	449	ST(0) = sv_2mortal(newSVpv(win_path, 0));
	450	if (isutf8) {
	451	SvUTF8_on(ST(0));
	452	}
	453	safefree(win_path);
	454	XSRETURN(1);
15414d2b	455	} else {
803e389c	456	safefree(win_path);
15414d2b RU	457	XSRETURN_UNDEF;
	458	}
	459	}
	460
a25ce5f3 RU	461	XS(XS_Cygwin_mount_table)
	462	{
	463	dXSARGS;
	464	struct mntent *mnt;
	465
	466	if (items != 0)
	467	Perl_croak(aTHX_ "Usage: Cygwin::mount_table");
	468	/* => array of [mnt_dir mnt_fsname mnt_type mnt_opts] */
	469
	470	setmntent (0, 0);
	471	while ((mnt = getmntent (0))) {
	472	AV* av = newAV();
	473	av_push(av, newSVpvn(mnt->mnt_dir, strlen(mnt->mnt_dir)));
	474	av_push(av, newSVpvn(mnt->mnt_fsname, strlen(mnt->mnt_fsname)));
	475	av_push(av, newSVpvn(mnt->mnt_type, strlen(mnt->mnt_type)));
	476	av_push(av, newSVpvn(mnt->mnt_opts, strlen(mnt->mnt_opts)));
	477	XPUSHs(sv_2mortal(newRV_noinc((SV*)av)));
	478	}
	479	endmntent (0);
	480	PUTBACK;
	481	}
	482
	483	XS(XS_Cygwin_mount_flags)
	484	{
	485	dXSARGS;
	486	char *pathname;
803e389c RU	487	char flags[PATH_MAX];
803e389c RU	488	flags[0] = '\0';
a25ce5f3 RU	489
a25ce5f3 RU	490	if (items != 1)
803e389c	491	Perl_croak(aTHX_ "Usage: Cygwin::mount_flags( mnt_dir \| '/cygdrive' )");
a25ce5f3 RU	492
a25ce5f3 RU	493	pathname = SvPV_nolen(ST(0));
74dc058d	494
083b2a61	495	if (strEQ(pathname, "/cygdrive")) {
803e389c RU	496	char user[PATH_MAX];
	497	char system[PATH_MAX];
	498	char user_flags[PATH_MAX];
	499	char system_flags[PATH_MAX];
74dc058d	500
803e389c RU	501	cygwin_internal (CW_GET_CYGDRIVE_INFO, user, system,
803e389c RU	502	user_flags, system_flags);
74dc058d JH	503
	504	if (strlen(user) > 0) {
	505	sprintf(flags, "%s,cygdrive,%s", user_flags, user);
	506	} else {
	507	sprintf(flags, "%s,cygdrive,%s", system_flags, system);
	508	}
	509
a25ce5f3 RU	510	ST(0) = sv_2mortal(newSVpv(flags, 0));
a25ce5f3 RU	511	XSRETURN(1);
74dc058d	512
a25ce5f3 RU	513	} else {
a25ce5f3 RU	514	struct mntent *mnt;
803e389c	515	int found = 0;
a25ce5f3 RU	516	setmntent (0, 0);
a25ce5f3 RU	517	while ((mnt = getmntent (0))) {
083b2a61	518	if (strEQ(pathname, mnt->mnt_dir)) {
a25ce5f3 RU	519	strcpy(flags, mnt->mnt_type);
	520	if (strlen(mnt->mnt_opts) > 0) {
	521	strcat(flags, ",");
	522	strcat(flags, mnt->mnt_opts);
	523	}
803e389c	524	found++;
a25ce5f3 RU	525	break;
	526	}
	527	}
	528	endmntent (0);
803e389c RU	529
	530	/* Check if arg is the current volume moint point if not default,
	531	* and then use CW_GET_CYGDRIVE_INFO also.
	532	*/
	533	if (!found) {
	534	char user[PATH_MAX];
	535	char system[PATH_MAX];
	536	char user_flags[PATH_MAX];
	537	char system_flags[PATH_MAX];
	538
	539	cygwin_internal (CW_GET_CYGDRIVE_INFO, user, system,
	540	user_flags, system_flags);
	541
	542	if (strlen(user) > 0) {
083b2a61	543	if (strNE(user,pathname)) {
803e389c RU	544	sprintf(flags, "%s,cygdrive,%s", user_flags, user);
	545	found++;
	546	}
	547	} else {
083b2a61	548	if (strNE(user,pathname)) {
803e389c RU	549	sprintf(flags, "%s,cygdrive,%s", system_flags, system);
	550	found++;
	551	}
	552	}
	553	}
	554	if (found) {
	555	ST(0) = sv_2mortal(newSVpv(flags, 0));
	556	XSRETURN(1);
	557	} else {
	558	XSRETURN_UNDEF;
	559	}
a25ce5f3 RU	560	}
	561	}
	562
15414d2b RU	563	XS(XS_Cygwin_is_binmount)
	564	{
	565	dXSARGS;
	566	char *pathname;
	567
	568	if (items != 1)
	569	Perl_croak(aTHX_ "Usage: Cygwin::is_binmount(pathname)");
	570
	571	pathname = SvPV_nolen(ST(0));
	572
	573	ST(0) = boolSV(cygwin_internal(CW_GET_BINMODE, pathname));
	574	XSRETURN(1);
	575	}
	576
286f8194 RU	577	XS(XS_Cygwin_sync_winenv){ cygwin_internal(CW_SYNC_WINENV); }
286f8194 RU	578
5db16f6a FE	579	void
	580	init_os_extras(void)
	581	{
5db16f6a	582	dTHX;
a4ec4e68	583	char const *file = __FILE__;
9fb265f7	584	void *handle;
5db16f6a FE	585
5db16f6a FE	586	newXS("Cwd::cwd", Cygwin_cwd, file);
15414d2b RU	587	newXSproto("Cygwin::winpid_to_pid", XS_Cygwin_winpid_to_pid, file, "$");
	588	newXSproto("Cygwin::pid_to_winpid", XS_Cygwin_pid_to_winpid, file, "$");
	589	newXSproto("Cygwin::win_to_posix_path", XS_Cygwin_win_to_posix_path, file, "$;$");
	590	newXSproto("Cygwin::posix_to_win_path", XS_Cygwin_posix_to_win_path, file, "$;$");
a25ce5f3 RU	591	newXSproto("Cygwin::mount_table", XS_Cygwin_mount_table, file, "");
a25ce5f3 RU	592	newXSproto("Cygwin::mount_flags", XS_Cygwin_mount_flags, file, "$");
15414d2b	593	newXSproto("Cygwin::is_binmount", XS_Cygwin_is_binmount, file, "$");
286f8194	594	newXS("Cygwin::sync_winenv", XS_Cygwin_sync_winenv, file);
78ff2d7b	595
9fb265f7 JD	596	/* Initialize Win32CORE if it has been statically linked. */
	597	handle = dlopen(NULL, RTLD_LAZY);
	598	if (handle) {
	599	void (*pfn_init)(pTHX);
	600	pfn_init = (void (*)(pTHX))dlsym(handle, "init_Win32CORE");
	601	if (pfn_init)
	602	pfn_init(aTHX);
	603	dlclose(handle);
78ff2d7b	604	}
5db16f6a	605	}