add XS version of Sys::Hostname (from Greg Bacon

[p5sagit/p5-mst-13.2.git] / pp_sys.c

diff --git a/pp_sys.c b/pp_sys.c
index ea34bae..a9292a1 100644 (file)
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -1,6 +1,6 @@
 /*    pp_sys.c
  *
- *    Copyright (c) 1991-1999, Larry Wall
+ *    Copyright (c) 1991-2000, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -77,7 +77,7 @@ extern "C" int syscall(unsigned long,...);
    compiling multithreaded and singlethreaded ($ccflags et al).
    HOST_NOT_FOUND is typically defined in <netdb.h>.
 */
-#if defined(HOST_NOT_FOUND) && !defined(h_errno)
+#if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
 extern int h_errno;
 #endif
 
@@ -1791,7 +1791,11 @@ PP(pp_sysseek)
     if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
        PUSHMARK(SP);
        XPUSHs(SvTIED_obj((SV*)gv, mg));
+#if LSEEKSIZE > IVSIZE
+       XPUSHs(sv_2mortal(newSVnv((NV) offset)));
+#else
        XPUSHs(sv_2mortal(newSViv((IV) offset)));
+#endif
        XPUSHs(sv_2mortal(newSViv((IV) whence)));
        PUTBACK;
        ENTER;
@@ -1835,13 +1839,17 @@ PP(pp_truncate)
        tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
     do_ftruncate:
        TAINT_PROPER("truncate");
-       if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
+       if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
+           result = 0;
+       else {
+           PerlIO_flush(IoIFP(GvIOp(tmpgv)));
 #ifdef HAS_TRUNCATE
-         ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
+           if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
 #else 
-         my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
+           if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
 #endif
-           result = 0;
+               result = 0;
+       }
     }
     else {
        SV *sv = POPs;