/* first, before going to lengths about it. */
/* -------------------------------------------------------------------------- */
-/* Comment out (or delete) the line below if your 'char' type is unsigned. */
+/* Set to 0 if your 'char' type is unsigned. */
#define _PDCLIB_CHAR_SIGNED 1
/* Width of the integer types short, int, long, and long long, in bytes. */
/* 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) */
+#if defined(__amd64__) || defined(_M_AMD64)
+#define _PDCLIB_ptrdiff long long
+#define _PDCLIB_PTRDIFF LLONG
+#define _PDCLIB_PTR_CONV ll
+#else
+#define _PDCLIB_ptrdiff int
+#define _PDCLIB_PTRDIFF INT
+#define _PDCLIB_PTR_CONV
+#endif
+
+/* Result type of the 'sizeof' operator (must be unsigned) */
#if defined(__amd64__) || defined(_M_AMD64)
- #define _PDCLIB_ptrdiff long long
- #define _PDCLIB_PTRDIFF LLONG
- #define _PDCLIB_PTR_CONV ll
+#define _PDCLIB_size unsigned long long
+#define _PDCLIB_SIZE ULLONG
#else
- #define _PDCLIB_ptrdiff int
- #define _PDCLIB_PTRDIFF INT
- #define _PDCLIB_PTR_CONV
+#define _PDCLIB_size unsigned int
+#define _PDCLIB_SIZE UINT
#endif
/* An integer type that can be accessed as atomic entity (think asynchronous
#define _PDCLIB_sig_atomic int
#define _PDCLIB_SIG_ATOMIC INT
-/* Result type of the 'sizeof' operator (must be unsigned) */
-#if defined(__amd64__) || defined(_M_AMD64)
- #define _PDCLIB_size unsigned long long
- #define _PDCLIB_SIZE ULLONG
-#else
- #define _PDCLIB_size unsigned int
- #define _PDCLIB_SIZE UINT
-#endif
+/* 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_wchar unsigned short
+#define _PDCLIB_WCHAR USHRT
- XX: Windows requires wchar_t be an unsigned short, but this is not compliant.
+/* 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 signed int
-#define _PDCLIB_wchar unsigned short
-#define _PDCLIB_WCHAR USHRT
#if defined(__amd64__) || defined(_M_AMD64)
- #define _PDCLIB_intptr long long
- #define _PDCLIB_INTPTR LLONG
+#define _PDCLIB_intptr long long
+#define _PDCLIB_INTPTR LLONG
#else
- #define _PDCLIB_intptr int
- #define _PDCLIB_INTPTR INT
+#define _PDCLIB_intptr int
+#define _PDCLIB_INTPTR INT
#endif
/* Largest supported integer type. Implementation note: see _PDCLIB_atomax(). */
_PDCLIB_intmax rem;
};
-/* <time.h>: time_t
- * The C standard doesn't define what representation of time is stored in
+/* <time.h>: time_t
+ * The C standard doesn't define what representation of time is stored in
* time_t when returned by time() , but POSIX defines it to be seconds since the
- * UNIX epoch and most appplications expect that.
+ * UNIX epoch and most appplications expect that.
*
- * time_t is also used as the tv_sec member of struct timespec, which *is*
+ * time_t is also used as the tv_sec member of struct timespec, which *is*
* defined as a linear count of seconds.
*
* time_t is defined as a "real type", so may be a floating point type, but with
* the presence of the nanosecond accurate struct timespec, and with the lack of
- * any functions for manipulating more accurate values of time_t, this is
+ * any functions for manipulating more accurate values of time_t, this is
* probably not useful.
*/
-#define _PDCLIB_time unsigned long long
+#define _PDCLIB_time unsigned long long
/* <time.h>: clock_t
*
* A count of "clock ticks", where the length of a clock tick is unspecified by
- * the standard. The implementation is required to provide a macro,
+ * the standard. The implementation is required to provide a macro,
* CLOCKS_PER_SEC, which is the number of "clock ticks" which corresponds to one
* second.
*
* clock_t may be any real type (i.e. integral or floating), and its type on
- * various systems differs.
+ * various systems differs.
*
* On XSI systems, CLOCKS_PER_SEC must be defined to 1000000
*/
*
* The TIME_UTC parameter is passed to the timespec_get function in order to get
* the system time in UTC since an implementation defined epoch (not necessarily
- * the same as that used for time_t). That said, on POSIX the obvious
- * implementation of timespec_get for TIME_UTC is to wrap
+ * the same as that used for time_t). That said, on POSIX the obvious
+ * implementation of timespec_get for TIME_UTC is to wrap
* clock_gettime(CLOCK_REALTIME, ...), which is defined as time in UTC since the
* same epoch.
*
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. If undefined, POSIX per-thread locales
- * will be disabled
- */
+ will be disabled.
+*/
#define _PDCLIB_LOCALE_METHOD _PDCLIB_LOCALE_METHOD_TSS
/* wchar_t encoding */
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