# define HAS_BOOL 1
#endif
+/* a simple (bool) cast may not do the right thing: if bool is defined
+ * as char for example, then the cast from int is implementation-defined
+ */
+
+#define cBOOL(cbool) ((bool)!!(cbool))
+
/* Try to figure out __func__ or __FUNCTION__ equivalent, if any.
* XXX Should really be a Configure probe, with HAS__FUNCTION__
* and FUNCTION__ as results.
* 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 CHARBITS
+ * HAS_INETNTOP HAS_INETPTON CHARBITS HAS_PRCTL
* Not (yet) used at top level, but mention them for metaconfig
*/
#endif
#define memEQs(s1, l, s2) \
- (sizeof(s2)-1 == l && memEQ(s1, (s2 ""), (sizeof(s2)-1)))
+ (sizeof(s2)-1 == l && memEQ(s1, ("" s2 ""), (sizeof(s2)-1)))
#define memNEs(s1, l, s2) !memEQs(s1, l, s2)
/*
US-ASCII (Basic Latin) range are viewed as not having any case.
=cut
+
+NOTE: Since some of these are macros, there is no check in those that the
+parameter is a char or U8. This means that if called with a larger width
+parameter, casts can silently truncate and yield wrong results.
+
*/
#define isALNUM(c) (isALPHA(c) || isDIGIT(c) || (c) == '_')
# define isUPPER(c) ((c) >= 'A' && (c) <= 'Z')
# define isLOWER(c) ((c) >= 'a' && (c) <= 'z')
# define isALNUMC(c) (isALPHA(c) || isDIGIT(c))
-# define isASCII(c) ((c) <= 127)
-# define isCNTRL(c) ((c) < ' ' || (c) == 127)
+# define isASCII(c) ((U8) (c) <= 127)
+# define isCNTRL(c) ((U8) (c) < ' ' || (c) == 127)
# define isGRAPH(c) (isALNUM(c) || isPUNCT(c))
# 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 isPSXSPC_LC_utf8(c) (isSPACE_LC_utf8(c) ||(c) == '\f')
#define isBLANK_LC_utf8(c) isBLANK(c) /* could be wrong */
-#ifdef EBCDIC
-# ifdef PERL_IMPLICIT_CONTEXT
-# define toCTRL(c) Perl_ebcdic_control(aTHX_ c)
-# else
-# define toCTRL Perl_ebcdic_control
-# endif
-#else
- /* This conversion works both ways, strangely enough. */
-# define toCTRL(c) (toUPPER(c) ^ 64)
-#endif
+/* This conversion works both ways, strangely enough. On EBCDIC platforms,
+ * CTRL-@ is 0, CTRL-A is 1, etc, just like on ASCII */
+# define toCTRL(c) (toUPPER(NATIVE_TO_UNI(c)) ^ 64)
/* Line numbers are unsigned, 32 bits. */
typedef U32 line_t;
#endif
#define C_ARRAY_LENGTH(a) (sizeof(a)/sizeof((a)[0]))
+#define C_ARRAY_END(a) (a) + (sizeof(a)/sizeof((a)[0]))
#ifdef NEED_VA_COPY
# ifdef va_copy