#undef USE_DYNAMIC_LOADING
#include "XSUB.h"
-#include <sys/unistd.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 = (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 **a;
+ char *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,const 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 = (char*)NULL;
+ if (!PL_Argv[0])
+ return -1;
+
+ return do_spawnvp(PL_Argv[0],(const char * const *)PL_Argv);
+}
/* see also Cwd.pm */
-static
XS(Cygwin_cwd)
{
dXSARGS;
char *cwd;
- if(items != 0)
+ /* 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, 0)) {
+ if((cwd = getcwd(NULL, -1))) {
ST(0) = sv_2mortal(newSVpv(cwd, 0));
- safesysfree(cwd);
+ 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)
{
- char *file = __FILE__;
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);
+ }
}
projects / p5sagit/p5-mst-13.2.git / blobdiff