Work-in-progress win32 layer semi-functional, checking

for UNIX breakage.

p4raw-id: //depot/perlio@10632

3 files changed, 47 insertions, 26 deletions

diff --git a/perlio.c b/perlio.c
index de16b2b55a..a3da82e92a 100644
--- a/perlio.c
+++ b/perlio.c
@@ -764,10 +764,16 @@ PerlIO_default_layers(pTHX)
  if (!PerlIO_def_layerlist)
   {
    const char *s  = (PL_tainting) ? Nullch : PerlEnv_getenv("PERLIO");
-   PerlIO_def_layerlist = PerlIO_list_alloc();
-
-   PerlIO_define_layer(aTHX_ &PerlIO_raw);
+   PerlIO_funcs *osLayer = &PerlIO_unix;
+   PerlIO_def_layerlist  = PerlIO_list_alloc();
+#ifdef WIN32
+   osLayer = &PerlIO_win32;
    PerlIO_define_layer(aTHX_ &PerlIO_unix);
+#else
+   osLayer = &PerlIO_unix;
+#endif
+   PerlIO_define_layer(aTHX_ osLayer);
+   PerlIO_define_layer(aTHX_ &PerlIO_raw);
    PerlIO_define_layer(aTHX_ &PerlIO_perlio);
    PerlIO_define_layer(aTHX_ &PerlIO_stdio);
    PerlIO_define_layer(aTHX_ &PerlIO_crlf);
@@ -776,7 +782,7 @@ PerlIO_default_layers(pTHX)
 #endif
    PerlIO_define_layer(aTHX_ &PerlIO_utf8);
    PerlIO_define_layer(aTHX_ &PerlIO_byte);
-   PerlIO_list_push(PerlIO_def_layerlist,PerlIO_find_layer(aTHX_ PerlIO_unix.name,0,0),&PL_sv_undef);
+   PerlIO_list_push(PerlIO_def_layerlist,PerlIO_find_layer(aTHX_ osLayer->name,0,0),&PL_sv_undef);
    if (s)
     {
      PerlIO_parse_layers(aTHX_ PerlIO_def_layerlist,s);
@@ -1887,6 +1893,8 @@ int
 PerlIOUnix_oflags(const char *mode)
 {
  int oflags = -1;
+ if (*mode == 'I' || *mode == '#')
+  mode++;
  switch(*mode)
   {
    case 'r':
@@ -2617,7 +2625,7 @@ PerlIOBuf_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const char
    if (*mode == 'I')
     {
      init = 1;
-     mode++;
+     /* mode++; */
     }
    f = (*tab->Open)(aTHX_ tab, layers, n-1, mode,fd,imode,perm,NULL,narg,args);
    if (f)
diff --git a/perliol.h b/perliol.h
index e9f6a975bb..b659de0bf3 100644
--- a/perliol.h
+++ b/perliol.h
@@ -107,7 +107,9 @@ EXT PerlIO_funcs PerlIO_pending;
 #ifdef HAS_MMAP
 EXT PerlIO_funcs PerlIO_mmap;
 #endif
-
+#ifdef WIN32
+EXT PerlIO_funcs PerlIO_win32;
+#endif
 extern PerlIO *PerlIO_allocate(pTHX);
 extern SV *PerlIO_arg_fetch(PerlIO_list_t *av,IV n);
 #define PerlIOArg PerlIO_arg_fetch(layers,n)
@@ -169,6 +171,8 @@ extern STDCHAR *PerlIOBuf_get_ptr    (PerlIO *f);
 extern SSize_t	PerlIOBuf_get_cnt    (PerlIO *f);
 extern void	PerlIOBuf_set_ptrcnt (PerlIO *f, STDCHAR *ptr, SSize_t cnt);
 
+extern int	PerlIOUnix_oflags    (const char *mode);
+
 /*--------------------------------------------------------------------------------------*/
 
 #endif /* _PERLIOL_H */
diff --git a/win32/win32io.c b/win32/win32io.c
index e75919f9e2..b707172b6d 100644
--- a/win32/win32io.c
+++ b/win32/win32io.c
@@ -10,7 +10,7 @@
 #include <sys/stat.h>
 #include "EXTERN.h"
 #include "perl.h"
-#include "perllio.h"
+#include "perliol.h"
 
 #define NO_XSLOCKS
 #include "XSUB.h"
@@ -131,7 +131,7 @@ PerlIOWin32_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const ch
     {
      mode++;
     }
-   if (*mode || oflags == -1)
+   if (*mode || create == -1)
     {
      SETERRNO(EINVAL,LIB$_INVARG);
      return NULL;
@@ -142,7 +142,7 @@ PerlIOWin32_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const ch
    if (h == INVALID_HANDLE_VALUE)
     {
      if (create == TRUNCATE_EXISTING)
-      h = CreateFile(path,access,share = OPEN_ALWAYS,NULL,create,attr,NULL);
+      h = CreateFile(path,access,share,NULL,(create = OPEN_ALWAYS),attr,NULL);
     }
   }
  else
@@ -160,32 +160,41 @@ PerlIOWin32_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const ch
        *f = &s->base;
        return f;
       }
-     if (*mode == 'I')
+    }
+   if (*mode == 'I')
+    {
+     mode++;
+     switch(fd)
       {
-       mode++;
-       switch(fd)
-        {
-         case 0:
-          h = GetStandardHandle(STD_INPUT_HANDLE);
-          break;
-         case 1:
-          h = GetStandardHandle(STD_OUTPUT_HANDLE);
-          break;
-         case 2:
-          h = GetStandardHandle(STD_ERROR_HANDLE);
-          break;
-        }
+       case 0:
+        h = GetStdHandle(STD_INPUT_HANDLE);
+        break;
+       case 1:
+        h = GetStdHandle(STD_OUTPUT_HANDLE);
+        break;
+       case 2:
+        h = GetStdHandle(STD_ERROR_HANDLE);
+        break;
       }
     }
   }
  if (h != INVALID_HANDLE_VALUE)
+  fd = win32_open_osfhandle((long) h, PerlIOUnix_oflags(tmode));
+ if (fd >= 0)
   {
    PerlIOWin32 *s;
    if (!f)
     f = PerlIO_allocate(aTHX);
    s = PerlIOSelf(PerlIO_push(aTHX_ f,self,tmode,PerlIOArg),PerlIOWin32);
-   s->ioh    = h;
+   s->h      = h;
+   s->fd     = fd;
    s->refcnt = 1;
+   if (fd >= 0) 
+    {
+     fdtable[fd] = s; 
+     if (fd > max_open_fd)
+      max_open_fd = fd;
+    } 
    return f;
   }
  if (f)
@@ -202,7 +211,7 @@ PerlIOWin32_read(PerlIO *f, void *vbuf, Size_t count)
  DWORD len;
  if (!(PerlIOBase(f)->flags & PERLIO_F_CANREAD))
   return 0;
- if (ReadFile(s->h,vbuf,count,&len,NULL)
+ if (ReadFile(s->h,vbuf,count,&len,NULL))
   {
    return len;
   }
@@ -227,7 +236,7 @@ PerlIOWin32_write(PerlIO *f, const void *vbuf, Size_t count)
 {
  PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32);
  DWORD len;
- if (WriteFile(s->h,vbuf,count,&len,NULL)
+ if (WriteFile(s->h,vbuf,count,&len,NULL))
   {
    return len;
   }