add perlcompile.pod (edited content from Nathan Torkington

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

diff --git a/perl.h b/perl.h
index 2b9f3c6..94af360 100644 (file)
--- a/perl.h
+++ b/perl.h
@@ -1018,7 +1018,11 @@ Free_t   Perl_mfree (Malloc_t where);
 #  if defined(INT32_MAX) && LONGSIZE == 4
 #    define IV_MAX INT32_MAX
 #    define IV_MIN INT32_MIN
-#    define UV_MAX UINT32_MAX
+#    ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
+#        define UV_MAX UINT32_MAX
+#    else
+#        define UV_MAX 4294967295U
+#    endif
 #    ifndef UINT32_MIN
 #      define UINT32_MIN 0
 #    endif
@@ -1040,8 +1044,20 @@ Free_t   Perl_mfree (Malloc_t where);
 #  define IVSIZE LONGSIZE
 #endif
 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
-#define UV_DIG (BIT_DIGITS(IVSIZE * 8))
+#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
 
+#if (IVSIZE > PTRSIZE) || (UVSIZE > PTRSIZE)
+#  if PTRSIZE == LONGSIZE 
+#    define PTRV       unsigned long
+#  else
+#    define PTRV       unsigned
+#  endif
+#  define PTR_CAST     (PTRV)
+#else
+#  define PTRV         UV
+#  define PTR_CAST 
+#endif
+  
 #ifdef USE_LONG_DOUBLE
 #  if defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE)
 #    define LDoub_t long double