-/* $Id$ */
-
/* Internal PDCLib configuration <_PDCLIB_config.h>
(Generic Template)
Permission is granted to use, modify, and / or redistribute at will.
*/
+#ifndef _PDCLIB_CONFIG_H
+#define _PDCLIB_CONFIG_H _PDCLIB_CONFIG_H
+
/* -------------------------------------------------------------------------- */
/* Misc */
/* -------------------------------------------------------------------------- */
/* 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 */
-/* are using additional errno values, you *HAVE* to provide appropriate error */
-/* messages for *ALL* locales.) */
-/* Default is 4 (0, ERANGE, EDOM, EILSEQ). */
-#define _PDCLIB_ERRNO_MAX 4
-
/* -------------------------------------------------------------------------- */
/* Integers */
/* -------------------------------------------------------------------------- */
/* compiler manuals. */
#define _PDCLIB_SHRT_BYTES 2
#define _PDCLIB_INT_BYTES 4
+#ifdef __LP64__
+#define _PDCLIB_LONG_BYTES 8
+#else
#define _PDCLIB_LONG_BYTES 4
+#endif
#define _PDCLIB_LLONG_BYTES 8
/* <stdlib.h> defines the div() function family that allows taking quotient */
#define _PDCLIB_fast32 int
#define _PDCLIB_FAST32_CONV
-#define _PDCLIB_FAST64 LLONG
-#define _PDCLIB_fast64 long long
-#define _PDCLIB_FAST64_CONV ll
+#define _PDCLIB_FAST64 LONG
+#define _PDCLIB_fast64 long
+#define _PDCLIB_FAST64_CONV l
/* -------------------------------------------------------------------------- */
/* What follows are a couple of "special" typedefs and their limits. Again, */
/* -------------------------------------------------------------------------- */
/* The result type of substracting two pointers */
-#define _PDCLIB_ptrdiff int
-#define _PDCLIB_PTRDIFF INT
-#define _PDCLIB_PTR_CONV
+#define _PDCLIB_ptrdiff long
+#define _PDCLIB_PTRDIFF LONG
+#define _PDCLIB_PTR_CONV l
/* An integer type that can be accessed as atomic entity (think asynchronous
interrupts). The type itself is not defined in a freestanding environment,
#define _PDCLIB_SIG_ATOMIC INT
/* Result type of the 'sizeof' operator (must be unsigned) */
-#define _PDCLIB_size unsigned int
-#define _PDCLIB_SIZE UINT
+#define _PDCLIB_size unsigned long
+#define _PDCLIB_SIZE ULONG
/* Large enough an integer to hold all character codes of the largest supported
locale.
*/
-#define _PDCLIB_wchar unsigned short
-#define _PDCLIB_WCHAR USHRT
+#define _PDCLIB_wchar unsigned int
+#define _PDCLIB_WCHAR UINT
-#define _PDCLIB_intptr int
-#define _PDCLIB_INTPTR INT
+/* (Signed) integer type capable of taking the (cast) value of a void *, and
+ having the value cast back to void *, comparing equal to the original.
+*/
+#define _PDCLIB_intptr long
+#define _PDCLIB_INTPTR LONG
/* Largest supported integer type. Implementation note: see _PDCLIB_atomax(). */
#define _PDCLIB_intmax long long int
_PDCLIB_intmax rem;
};
+/* -------------------------------------------------------------------------- */
+/* Time types */
+/* -------------------------------------------------------------------------- */
+
+#define _PDCLIB_time long
+
+#define _PDCLIB_clock long
+#define _PDCLIB_CLOCKS_PER_SEC 1000000
+
+#define _PDCLIB_TIME_UTC 1
+
/* -------------------------------------------------------------------------- */
/* Floating Point */
/* -------------------------------------------------------------------------- */
/* Variable Length Parameter List Handling (<stdarg.h>)
The macros defined by <stdarg.h> are highly dependent on the calling
conventions used, and you probably have to replace them with builtins of
- your compiler. The following generic implementation works only for pure
+ your compiler.
+*/
+
+#if defined( __i386 )
+
+/* The following generic implementation works only for pure
stack-based architectures, and only if arguments are aligned to pointer
type. Credits to Michael Moody, who contributed this to the Public Domain.
*/
#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 )
+#elif defined( __x86_64 )
+
+/* No way to cover x86_64 with a generic implementation, as it uses register-
+ based parameter passing. Using the GCC builtins here.
+*/
+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 ) )
+
+#else
+
+#error Please create your own _PDCLIB_config.h. Using the existing one as-is will not work.
+
+#endif
+
/* -------------------------------------------------------------------------- */
/* OS "glue", part 1 */
/* These are values and data type definitions that you would have to adapt to */
*/
#define _PDCLIB_ERROR 4
+/* 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 */
+/* are using additional errno values, you *HAVE* to provide appropriate error */
+/* messages for *ALL* locales.) */
+/* Default is 4 (0, ERANGE, EDOM, EILSEQ). */
+#define _PDCLIB_ERRNO_MAX 4
+
+#ifdef __CYGWIN__
+typedef unsigned int wint_t;
+#endif
+
+
+#endif
projects / pdclib / blobdiff