generalize AIX ccversion hack for re extension

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

diff --git a/perlsfio.h b/perlsfio.h
index d0f6471..a736371 100644 (file)
--- a/perlsfio.h
+++ b/perlsfio.h
@@ -52,10 +52,10 @@ extern int  _stdprintf _ARG_((const char*, ...));
 #define PerlIO_has_cntptr(f)           1       
 #define PerlIO_get_ptr(f)              ((f)->next)
 #define PerlIO_get_cnt(f)              ((f)->endr - (f)->next)
-#define PerlIO_canset_cnt(f)           1      
-#define PerlIO_fast_gets(f)            1        
-#define PerlIO_set_ptrcnt(f,p,c)       ((f)->next = (unsigned char *)(p))          
-#define PerlIO_set_cnt(f,c)            1
+#define PerlIO_canset_cnt(f)           0
+#define PerlIO_fast_gets(f)            1
+#define PerlIO_set_ptrcnt(f,p,c)       STMT_START {(f)->next = (unsigned char *)(p); assert(FILE_cnt(f) == (c))} STMT_END
+#define PerlIO_set_cnt(f,c)            Perl_croak(aTHX_ "Cannot set 'cnt' of FILE * on this system");
 
 #define PerlIO_has_base(f)             1         
 #define PerlIO_get_base(f)             ((f)->data)