/* specific platforms, e.g. by swapping int instead of char. */
#define _PDCLIB_memswp( i, j, size ) char tmp; do { tmp = *i; *i++ = *j; *j++ = tmp; } while ( --size );
-/* Define this to some compiler directive that can be written after the */
-/* parameter list of a function declaration to indicate the function does */
-/* never return. If your compiler does not support such a directive, define */
-/* to nothing. (This is to avoid warnings with the exit functions under GCC.) */
-#define _PDCLIB_NORETURN __attribute__(( noreturn ))
-
/* The maximum value that errno can be set to. This is used to set the size */
/* of the array in struct lconv (<locale.h>) holding error messages for the */
/* strerror() and perror() functions. (If you change this value because you */
XX: Windows requires wchar_t be an unsigned short, but this is not compliant.
*/
+#define _PDCLIB_wint signed int
#define _PDCLIB_wchar unsigned short
#define _PDCLIB_WCHAR USHRT
#define _PDCLIB_clock double
#define _PDCLIB_CLOCKS_PER_SEC 1000000
+/* <time.h>: TIME_UTC
+ *
+ * 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
+ * clock_gettime(CLOCK_REALTIME, ...), which is defined as time in UTC since the
+ * same epoch.
+ *
+ * This may be any non-zero integer value.
+ */
+#define _PDCLIB_TIME_UTC 1
+
/* -------------------------------------------------------------------------- */
/* Floating Point */
/* -------------------------------------------------------------------------- */
*/
#define _PDCLIB_DECIMAL_DIG 17
+/* Floating point types
+ *
+ * PDCLib (at present) assumes IEEE 754 floating point formats
+ * The following names are used:
+ * SINGLE: IEEE 754 single precision (32-bit)
+ * DOUBLE: IEEE 754 double precision (64-bit)
+ * EXTENDED: IEEE 754 extended precision (80-bit, as x87)
+ */
+#define _PDCLIB_FLOAT_TYPE SINGLE
+#define _PDCLIB_DOUBLE_TYPE DOUBLE
+#define _PDCLIB_LDOUBLE_TYPE EXTENDED
+
/* -------------------------------------------------------------------------- */
/* Platform-dependent macros defined by the standard headers. */
/* -------------------------------------------------------------------------- */
*/
#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) ))
+#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 ) __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 )
+ #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 support please
+ #error Compiler/Architecture support please
#endif
/* -------------------------------------------------------------------------- */
/* TODO: Better document these */
-/* I/O ---------------------------------------------------------------------- */
+/* Locale --------------------------------------------------------------------*/
-/* The type of the file descriptor returned by _PDCLIB_open(). */
-typedef void * _PDCLIB_fd_t;
+/* Locale method. See _PDCLIB_locale.h */
+#define _PDCLIB_LOCALE_METHOD _PDCLIB_LOCALE_METHOD_TSS
-/* The value (of type _PDCLIB_fd_t) returned by _PDCLIB_open() if the operation
- failed.
-*/
-#define _PDCLIB_NOHANDLE NULL
+/* wchar_t encoding */
+#define _PDCLIB_WCHAR_ENCODING _PDCLIB_WCHAR_ENCODING_UTF16
+
+/* I/O ---------------------------------------------------------------------- */
/* The default size for file buffers. Must be at least 256. */
#define _PDCLIB_BUFSIZ 1024
#define _PDCLIB_FOPEN_MAX 8
/* Length of the longest filename the implementation guarantees to support. */
-#define _PDCLIB_FILENAME_MAX 128
+#define _PDCLIB_FILENAME_MAX 260
/* Maximum length of filenames generated by tmpnam(). (See tmpfile.c.) */
-#define _PDCLIB_L_tmpnam 46
+#define _PDCLIB_L_tmpnam 260
/* Number of distinct file names that can be generated by tmpnam(). */
#define _PDCLIB_TMP_MAX 50