X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=platform%2Fposix%2Finternals%2F_PDCLIB_config.h;fp=platform%2Fposix%2Finternals%2F_PDCLIB_config.h;h=a9dc26f5036f91387fc3805e1d2614977ddf7531;hp=5b71195e33d227db0ceaf2775efb16eff969316b;hb=d7f375a09a9912bb18ad42f1442fbf64311bfed6;hpb=0bfd3aa28ccec8c35481fe04d1dc82a0f1f522e6 diff --git a/platform/posix/internals/_PDCLIB_config.h b/platform/posix/internals/_PDCLIB_config.h index 5b71195..a9dc26f 100644 --- a/platform/posix/internals/_PDCLIB_config.h +++ b/platform/posix/internals/_PDCLIB_config.h @@ -48,9 +48,9 @@ #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 @@ -129,11 +129,20 @@ struct _PDCLIB_lldiv_t /* 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.) @@ -141,16 +150,37 @@ struct _PDCLIB_lldiv_t #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 @@ -184,7 +214,7 @@ struct _PDCLIB_imaxdiv_t * any functions for manipulating more accurate values of time_t, this is * probably not useful. */ -#define _PDCLIB_time long +#define _PDCLIB_time long /* : clock_t * @@ -268,9 +298,9 @@ struct _PDCLIB_imaxdiv_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 () @@ -280,22 +310,21 @@ struct _PDCLIB_imaxdiv_t */ #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 . */ - #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 . */ +#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 /* -------------------------------------------------------------------------- */ @@ -322,7 +351,9 @@ struct _PDCLIB_imaxdiv_t /* 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 */ @@ -379,7 +410,7 @@ struct _PDCLIB_imaxdiv_t prefix removed by 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 @@ -388,8 +419,8 @@ struct _PDCLIB_imaxdiv_t 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. */