#define _PDCLIB_SHRT_BYTES 2
#define _PDCLIB_INT_BYTES 4
#if defined(_LP64) || defined(__ILP64__)
- #define _PDCLIB_LONG_BYTES 8
+#define _PDCLIB_LONG_BYTES 8
#else
- #define _PDCLIB_LONG_BYTES 4
+#define _PDCLIB_LONG_BYTES 4
#endif
#define _PDCLIB_LLONG_BYTES 8
/* defines here are merely "configuration". See above for details. */
/* -------------------------------------------------------------------------- */
-/* The result type of substracting two pointers */
+/* The types used for size_t and ptrdiff_t should not have an integer conversion
+ rank greater than that of signed long int unless the implementation supports
+ objects large enough to make this necessary.
+*/
+
+/* Result type of substracting two pointers (must be signed) */
#define _PDCLIB_ptrdiff long
#define _PDCLIB_PTRDIFF LONG
#define _PDCLIB_PTR_CONV l
+/* Result type of the 'sizeof' operator (must be unsigned) */
+#define _PDCLIB_size unsigned long
+#define _PDCLIB_SIZE ULONG
+
/* An integer type that can be accessed as atomic entity (think asynchronous
interrupts). The type itself is not defined in a freestanding environment,
but its limits are. (Don't ask.)
#define _PDCLIB_sig_atomic int
#define _PDCLIB_SIG_ATOMIC INT
-/* Result type of the 'sizeof' operator (must be unsigned) */
-#define _PDCLIB_size unsigned long
-#define _PDCLIB_SIZE ULONG
+/* Object type whose alignment is as great as supported by implementation
+ in all contexts.
+*/
+#define _PDCLIB_max_align long double
-/* Large enough an integer to hold all character codes of the largest supported
- locale.
+/* Integer type whose range of values can represent distinct codes for
+ all members of the largest extended character set specified among the
+ supported locales.
+ Note that the definition of this type must agree with the type used
+ by the compiler for L"" string and L'' character literals.
*/
-#define _PDCLIB_wint int
+#if defined(_LP64) || defined(__ILP64__)
#define _PDCLIB_wchar int
#define _PDCLIB_WCHAR INT
+#else
+#define _PDCLIB_wchar long
+#define _PDCLIB_WCHAR LONG
+#endif
+
+/* Each member of the basic character set shall have a code value equal
+ to its value when used as the lone character in an integer character
+ constant. If that is not the case, uncomment the following line.
+#define __STDC_MB_MIGHT_NEQ_WC__
+*/
+
+/* Integer type unchanged by default argument promotions that can hold any
+ value corresponding to characters of the extended character set, as well
+ as at least one value that does not correspond to any member of the
+ extended character set (WEOF).
+*/
+#define _PDCLIB_wint int
#define _PDCLIB_intptr long
#define _PDCLIB_INTPTR LONG
* any functions for manipulating more accurate values of time_t, this is
* probably not useful.
*/
-#define _PDCLIB_time long
+#define _PDCLIB_time long
/* <time.h>: clock_t
*
most compilers.
*/
#ifdef __GNUC__
- #define _PDCLIB_offsetof( type, member ) __builtin_offsetof( type, member )
+#define _PDCLIB_offsetof( type, member ) __builtin_offsetof( type, member )
#else
- #define _PDCLIB_offsetof( type, member ) ( (size_t) &( ( (type *) 0 )->member ) )
+#define _PDCLIB_offsetof( type, member ) ( (size_t) &( ( (type *) 0 )->member ) )
#endif
/* Variable Length Parameter List Handling (<stdarg.h>)
*/
#ifdef __GNUC__
- typedef __builtin_va_list _PDCLIB_va_list;
- #define _PDCLIB_va_arg( ap, type ) (__builtin_va_arg( (ap), type ))
- #define _PDCLIB_va_copy( dest, src ) (__builtin_va_copy( (dest), (src) ))
- #define _PDCLIB_va_end( ap ) (__builtin_va_end( ap ) )
- #define _PDCLIB_va_start( ap, parmN ) (__builtin_va_start( (ap), (parmN) ))
+typedef __builtin_va_list _PDCLIB_va_list;
+#define _PDCLIB_va_arg( ap, type ) (__builtin_va_arg( (ap), type ))
+#define _PDCLIB_va_copy( dest, src ) (__builtin_va_copy( (dest), (src) ))
+#define _PDCLIB_va_end( ap ) (__builtin_va_end( ap ) )
+#define _PDCLIB_va_start( ap, parmN ) (__builtin_va_start( (ap), (parmN) ))
#elif (defined(__i386__) || defined(__i386) || defined(_M_IX86)) && !(defined(__amd64__) || defined(__x86_64__) || defined(_M_AMD64))
- /* Internal helper macro. va_round is not part of <stdarg.h>. */
- #define _PDCLIB_va_round( type ) ( (sizeof(type) + sizeof(void *) - 1) & ~(sizeof(void *) - 1) )
-
- typedef char * _PDCLIB_va_list;
- #define _PDCLIB_va_arg( ap, type ) ( (ap) += (_PDCLIB_va_round(type)), ( *(type*) ( (ap) - (_PDCLIB_va_round(type)) ) ) )
- #define _PDCLIB_va_copy( dest, src ) ( (dest) = (src), (void)0 )
- #define _PDCLIB_va_end( ap ) ( (ap) = (void *)0, (void)0 )
- #define _PDCLIB_va_start( ap, parmN ) ( (ap) = (char *) &parmN + ( _PDCLIB_va_round(parmN) ), (void)0 )
+/* Internal helper macro. va_round is not part of <stdarg.h>. */
+#define _PDCLIB_va_round( type ) ( (sizeof(type) + sizeof(void *) - 1) & ~(sizeof(void *) - 1) )
+typedef char * _PDCLIB_va_list;
+#define _PDCLIB_va_arg( ap, type ) ( (ap) += (_PDCLIB_va_round(type)), ( *(type*) ( (ap) - (_PDCLIB_va_round(type)) ) ) )
+#define _PDCLIB_va_copy( dest, src ) ( (dest) = (src), (void)0 )
+#define _PDCLIB_va_end( ap ) ( (ap) = (void *)0, (void)0 )
+#define _PDCLIB_va_start( ap, parmN ) ( (ap) = (char *) &parmN + ( _PDCLIB_va_round(parmN) ), (void)0 )
#else
- #error Compiler/Architecture support please
+#error Compiler/Architecture support please
#endif
/* -------------------------------------------------------------------------- */
/* Locale --------------------------------------------------------------------*/
-/* Locale method. See _PDCLIB_locale.h */
+/* Locale method. See _PDCLIB_locale.h. If undefined, POSIX per-thread locales
+ will be disabled.
+*/
#define _PDCLIB_LOCALE_METHOD _PDCLIB_LOCALE_METHOD_TSS
/* wchar_t encoding */
prefix removed by <errno.h> mechanics).
If you do not want that kind of translation, you might want to "match" the
- values used by PDCLib with those used by the host OS, to avoid confusion.
+ values used by PDCLib with those used by the host OS, as to avoid confusion.
The C standard only defines three distinct errno values: ERANGE, EDOM, and
EILSEQ. The standard leaves it up to "the implementation" whether there are
However, C++11 introduced the whole list of POSIX errno values into the
standard, so PDCLib might as well define those as well.
- Sometimes the standard says to set errno to indicate an error, but does not
- prescribe a value. We will use a value from the following list. If POSIX
+ Sometimes the standard says to set errno to indicate an error, but does not
+ prescribe a value. We will use a value from the following list. If POSIX
defines a value, we use that; otherwise, we use as seems suitable.
*/
projects / pdclib / blobdiff