Add sanity checks for far, far distant dates.

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

diff --git a/handy.h b/handy.h
index d291eb6..911deca 100644 (file)
--- a/handy.h
+++ b/handy.h
@@ -190,8 +190,13 @@ typedef U64TYPE U64;
 #               define INT64_C(c)      CAT2(c,L)
 #               define UINT64_C(c)     CAT2(c,UL)
 #           else
-#               define INT64_C(c)      ((I64TYPE)(c))
-#               define UINT64_C(c)     ((U64TYPE)(c))
+#               if defined(_WIN64) && defined(_MSC_VER)
+#                   define INT64_C(c)  CAT2(c,I64)
+#                   define UINT64_C(c) CAT2(c,UI64)
+#               else
+#                   define INT64_C(c)  ((I64TYPE)(c))
+#                   define UINT64_C(c) ((U64TYPE)(c))
+#               endif
 #           endif
 #       endif
 #   endif
@@ -203,7 +208,7 @@ typedef U64TYPE U64;
  * GMTIME_MAX  GMTIME_MIN      LOCALTIME_MAX   LOCALTIME_MIN
  * HAS_CTIME64 HAS_LOCALTIME64 HAS_GMTIME64    HAS_DIFFTIME64
  * HAS_MKTIME64        HAS_ASCTIME64   HAS_GETADDRINFO HAS_GETNAMEINFO
- * HAS_INETNTOP        HAS_INETPTON
+ * HAS_INETNTOP        HAS_INETPTON    CHARBITS
  * Not (yet) used at top level, but mention them for metaconfig
  */
 
@@ -424,7 +429,7 @@ Returns a boolean indicating whether the C C<char> is a US-ASCII (Basic Latin)
 alphanumeric character (including underscore) or digit.
 
 =for apidoc Am|bool|isALPHA|char ch
-Returns a boolean indicating whether the C C<char> is a US-ASCII (Basic Latin) 
+Returns a boolean indicating whether the C C<char> is a US-ASCII (Basic Latin)
 alphabetic character.
 
 =for apidoc Am|bool|isSPACE|char ch
@@ -474,7 +479,9 @@ US-ASCII (Basic Latin) range are viewed as not having any case.
 #   define isPUNCT(c)  ispunct(c)
 #   define isXDIGIT(c) isxdigit(c)
 #   define toUPPER(c)  toupper(c)
+#   define toUPPER_LATIN1_MOD(c)    UNI_TO_NATIVE(PL_mod_latin1_uc[(U8) NATIVE_TO_UNI(c)])
 #   define toLOWER(c)  tolower(c)
+#   define toLOWER_LATIN1(c)   UNI_TO_NATIVE(PL_latin1_lc[(U8) NATIVE_TO_UNI(c)])
 #else
 #   define isUPPER(c)  ((c) >= 'A' && (c) <= 'Z')
 #   define isLOWER(c)  ((c) >= 'a' && (c) <= 'z')
@@ -485,6 +492,15 @@ US-ASCII (Basic Latin) range are viewed as not having any case.
 #   define isPRINT(c)  (((c) >= 32 && (c) < 127))
 #   define isPUNCT(c)  (((c) >= 33 && (c) <= 47) || ((c) >= 58 && (c) <= 64)  || ((c) >= 91 && (c) <= 96) || ((c) >= 123 && (c) <= 126))
 #   define isXDIGIT(c)  (isDIGIT(c) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
+
+/* Use table lookup for speed */
+#   define toLOWER_LATIN1(c)   (PL_latin1_lc[(U8) c])
+
+/* Modified uc.  Is correct uc except for three non-ascii chars which are
+ * all mapped to one of them, and these need special handling */
+#   define toUPPER_LATIN1_MOD(c)    (PL_mod_latin1_uc[(U8) c])
+
+/* ASCII casing. */
 #   define toUPPER(c)  (isLOWER(c) ? (c) - ('a' - 'A') : (c))
 #   define toLOWER(c)  (isUPPER(c) ? (c) + ('a' - 'A') : (c))
 #endif
@@ -640,6 +656,18 @@ US-ASCII (Basic Latin) range are viewed as not having any case.
 typedef U32 line_t;
 #define NOLINE ((line_t) 4294967295UL)
 
+/* Helpful alias for version prescan */
+#define is_LAX_VERSION(a,b) \
+       (a != Perl_prescan_version(aTHX_ a, FALSE, b, NULL, NULL, NULL, NULL))
+
+#define is_STRICT_VERSION(a,b) \
+       (a != Perl_prescan_version(aTHX_ a, TRUE, b, NULL, NULL, NULL, NULL))
+
+#define BADVERSION(a,b,c) \
+       if (b) { \
+           *b = c; \
+       } \
+       return a;
 
 /*
 =head1 Memory Management
@@ -761,9 +789,9 @@ PoisonWith(0xEF) for catching access to freed memory.
  * implementation unless -DPERL_MEM_LOG_NOIMPL is also defined.
  *
  * Known problems:
- * - all memory allocs do not get logged, only those
+ * - not all memory allocs get logged, only those
  *   that go through Newx() and derivatives (while all
- *  Safefrees do get logged)
+ *   Safefrees do get logged)
  * - __FILE__ and __LINE__ do not work everywhere
  * - __func__ or __FUNCTION__ even less so
  * - I think more goes on after the perlio frees but