Remove redundant check

[perl5.git] / perlio.c

diff --git a/perlio.c b/perlio.c
index 1440048..4620ecd 100644 (file)
--- a/perlio.c
+++ b/perlio.c
@@ -1340,6 +1340,8 @@ int
 PerlIO_apply_layers(pTHX_ PerlIO *f, const char *mode, const char *names)
 {
     int code = 0;
+    ENTER;
+    save_scalar(PL_errgv);
     if (f && names) {
        PerlIO_list_t * const layers = PerlIO_list_alloc(aTHX);
        code = PerlIO_parse_layers(aTHX_ layers, names);
@@ -1348,6 +1350,7 @@ PerlIO_apply_layers(pTHX_ PerlIO *f, const char *mode, const char *names)
        }
        PerlIO_list_free(aTHX_ layers);
     }
+    LEAVE;
     return code;
 }
 
@@ -3758,6 +3761,22 @@ PerlIOBuf_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers,
                 */
                PerlLIO_setmode(fd, O_BINARY);
 #endif
+#ifdef VMS
+#include <rms.h>
+               /* Enable line buffering with record-oriented regular files
+                * so we don't introduce an extraneous record boundary when
+                * the buffer fills up.
+                */
+               if (PerlIOBase(f)->flags & PERLIO_F_CANWRITE) {
+                   Stat_t st;
+                   if (PerlLIO_fstat(fd, &st) == 0
+                       && S_ISREG(st.st_mode)
+                       && (st.st_fab_rfm == FAB$C_VAR 
+                           || st.st_fab_rfm == FAB$C_VFC)) {
+                       PerlIOBase(f)->flags |= PERLIO_F_LINEBUF;
+                   }
+               }
+#endif
            }
        }
     }
@@ -4117,7 +4136,7 @@ PerlIOBuf_get_base(pTHX_ PerlIO *f)
 
     if (!b->buf) {
        if (!b->bufsiz)
-           b->bufsiz = 4096;
+           b->bufsiz = PERLIOBUF_DEFAULT_BUFSIZ;
        Newxz(b->buf,b->bufsiz, STDCHAR);
        if (!b->buf) {
            b->buf = (STDCHAR *) & b->oneword;