Beginings of PerlIO_dup support (unstable)

[p5sagit/p5-mst-13.2.git] / iperlsys.h

diff --git a/iperlsys.h b/iperlsys.h
index 8a628cd..d3e8254 100644 (file)
--- a/iperlsys.h
+++ b/iperlsys.h
@@ -7,11 +7,6 @@
  * that can be #defined to the system-level function (or a wrapper
  * provided elsewhere).
  *
- * When using C++ with -DPERL_OBJECT, this definition is in the
- * form of a set of virtual base classes which must be subclassed to
- * provide a real implementation.  The Perl Object will use instances
- * of this implementation to use the system-level functionality.
- *
  * GSAR 21-JUN-98
  */
 
@@ -285,7 +280,7 @@ struct IPerlStdIOInfo
 #define PerlSIO_ferror(f)              ferror(f)
 #define PerlSIO_clearerr(f)            clearerr(f)
 #define PerlSIO_fgetc(f)                       fgetc(f)
-#if PerlSIO_has_base
+#ifdef FILE_base
 #define PerlSIO_get_base(f)            FILE_base(f)
 #define PerlSIO_get_bufsiz(f)          FILE_bufsiz(f)
 #else
@@ -303,7 +298,17 @@ struct IPerlStdIOInfo
 #define PerlSIO_fputs(f,s)             fputs(s,f)
 #define PerlSIO_fflush(f)              Fflush(f)
 #define PerlSIO_fgets(s, n, fp)                fgets(s,n,fp)
-#define PerlSIO_ungetc(c,f)            ungetc(c,f)
+#if defined(VMS) && defined(__DECC)
+     /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
+      * belief that it can mix getc/ungetc with reads from stdio buffer */
+     int decc$ungetc(int __c, FILE *__stream);
+#    define PerlSIO_ungetc(c,f) ((c) == EOF ? EOF : \
+            ((*(f) && !((*(f))->_flag & _IONBF) && \
+            ((*(f))->_ptr > (*(f))->_base)) ? \
+            ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
+#else
+#  define PerlSIO_ungetc(c,f)          ungetc(c,f)
+#endif
 #define PerlSIO_fileno(f)              fileno(f)
 #define PerlSIO_fdopen(f, s)           fdopen(f,s)
 #define PerlSIO_freopen(p, m, f)       freopen(p,m,f)
@@ -410,7 +415,7 @@ struct IPerlDirInfo
 
 #define PerlDir_mkdir(name, mode)      Mkdir((name), (mode))
 #ifdef VMS
-#  define PerlDir_chdir(n)             Chdir(((n) && *(n)) ? (n) : "SYS$LOGIN")
+#  define PerlDir_chdir(n)             Chdir((n))
 #else
 #  define PerlDir_chdir(name)          chdir((name))
 #endif
@@ -594,7 +599,11 @@ typedef int                (*LPLIOOpen3)(struct IPerlLIO*, const char*, int, int);
 typedef int            (*LPLIORead)(struct IPerlLIO*, int, void*, unsigned int);
 typedef int            (*LPLIORename)(struct IPerlLIO*, const char*,
                            const char*);
+#ifdef NETWARE
+typedef int            (*LPLIOSetmode)(struct IPerlLIO*, FILE*, int);
+#else
 typedef int            (*LPLIOSetmode)(struct IPerlLIO*, int, int);
+#endif /* NETWARE */
 typedef int            (*LPLIONameStat)(struct IPerlLIO*, const char*,
                            struct stat*);
 typedef char*          (*LPLIOTmpnam)(struct IPerlLIO*, char*);
@@ -880,6 +889,8 @@ typedef int         (*LPProcKillpg)(struct IPerlProc*, int, int);
 typedef int            (*LPProcPauseProc)(struct IPerlProc*);
 typedef PerlIO*                (*LPProcPopen)(struct IPerlProc*, const char*,
                            const char*);
+typedef PerlIO*                (*LPProcPopenList)(struct IPerlProc*, const char*,
+                           IV narg, SV **args);
 typedef int            (*LPProcPclose)(struct IPerlProc*, PerlIO*);
 typedef int            (*LPProcPipe)(struct IPerlProc*, int*);
 typedef int            (*LPProcSetuid)(struct IPerlProc*, uid_t);
@@ -942,6 +953,7 @@ struct IPerlProc
     LPProcASpawn       pASpawn;
 #endif
     LPProcLastHost      pLastHost;
+    LPProcPopenList    pPopenList;
 };
 
 struct IPerlProcInfo
@@ -1057,7 +1069,7 @@ struct IPerlProcInfo
 #define PerlProc_setjmp(b, n)  Sigsetjmp((b), (n))
 #define PerlProc_longjmp(b, n) Siglongjmp((b), (n))
 #define PerlProc_signal(n, h)  signal((n), (h))
-#define PerlProc_fork()                fork()
+#define PerlProc_fork()                my_fork()
 #define PerlProc_getpid()      getpid()
 
 #ifdef WIN32