+++ /dev/null
-/* $Id$ */
-
-/* Release $Name$ */
-
-/* Internal PDCLib configuration <_PDCLIB_config.h>
- (Generic Template)
-
- This file is part of the Public Domain C Library (PDCLib).
- Permission is granted to use, modify, and / or redistribute at will.
-*/
-
-/* -------------------------------------------------------------------------- */
-/* Misc */
-/* -------------------------------------------------------------------------- */
-
-/* The character (sequence) your platform uses as newline. */
-#define _PDCLIB_endl "\n"
-
-/* exit() can signal success to the host environment by the value of zero or */
-/* the constant EXIT_SUCCESS. Failure is signaled by EXIT_FAILURE. Note that */
-/* any other return value is "implementation-defined", i.e. your environment */
-/* is not required to handle it gracefully. Set your definitions here. */
-#define _PDCLIB_SUCCESS 0
-#define _PDCLIB_FAILURE -1
-
-/* qsort() in <stdlib.h> requires a function that swaps two memory areas. */
-/* Below is a naive implementation that can be improved significantly for */
-/* 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 );
-
-/* -------------------------------------------------------------------------- */
-/* Integers */
-/* -------------------------------------------------------------------------- */
-/* Assuming 8-bit char, two's-complement architecture here. 'short' being */
-/* 16 bit, 'int' being either 16, 32 or 64 bit, 'long' being either 32 or 64 */
-/* bit (but 64 bit only if 'int' is 32 bit), and 'long long' being 64 bit if */
-/* 'long' is not, 64 or 128 bit otherwise. */
-/* Author is quite willing to support other systems but would like to hear of */
-/* interest in such support and details on the to-be-supported architecture */
-/* first, before going to lengths about it. */
-/* -------------------------------------------------------------------------- */
-
-/* Comment out (or delete) the line below if your 'char' type is unsigned. */
-#define _PDCLIB_CHAR_SIGNED 1
-
-/* Width of the integer types short, int, long, and long long, in bytes. */
-/* SHRT == 2, INT >= SHRT, LONG >= INT >= 4, LLONG >= LONG - check your */
-/* compiler manuals. */
-#define _PDCLIB_SHRT_BYTES 2
-#define _PDCLIB_INT_BYTES 4
-#define _PDCLIB_LONG_BYTES 4
-#define _PDCLIB_LLONG_BYTES 8
-
-/* <stdlib.h> defines the div() function family that allows taking quotient */
-/* and remainder of an integer division in one operation. Many platforms */
-/* support this in hardware / opcode, and the standard permits ordering of */
-/* the return structure in any way to fit the hardware. That is why those */
-/* structs can be configured here. */
-
-struct _PDCLIB_div_t
-{
- int quot;
- int rem;
-};
-
-struct _PDCLIB_ldiv_t
-{
- long int quot;
- long int rem;
-};
-
-struct _PDCLIB_lldiv_t
-{
- long long int quot;
- long long int rem;
-};
-
-/* -------------------------------------------------------------------------- */
-/* <stdint.h> defines a set of integer types that are of a minimum width, and */
-/* "usually fastest" on the system. (If, for example, accessing a single char */
-/* requires the CPU to access a complete int and then mask out the char, the */
-/* "usually fastest" type of at least 8 bits would be int, not char.) */
-/* If you do not have information on the relative performance of the types, */
-/* the standard allows you to define any type that meets minimum width and */
-/* signedness requirements. */
-/* The defines below are just configuration for the real typedefs and limit */
-/* definitions done in <_PDCLIB_int.h>. The uppercase define shall be either */
-/* SHRT, INT, LONG, or LLONG (telling which values to use for the *_MIN and */
-/* *_MAX limits); the lowercase define either short, int, long, or long long */
-/* (telling the actual type to use). */
-/* If you require a non-standard datatype to define the "usually fastest" */
-/* types, PDCLib as-is doesn't support that. Please contact the author with */
-/* details on your platform in that case, so support can be added. */
-/* -------------------------------------------------------------------------- */
-
-#define _PDCLIB_FAST8 INT
-#define _PDCLIB_fast8 int
-
-#define _PDCLIB_FAST16 INT
-#define _PDCLIB_fast16 int
-
-#define _PDCLIB_FAST32 INT
-#define _PDCLIB_fast32 int
-
-#define _PDCLIB_FAST64 LLONG
-#define _PDCLIB_fast64 long long
-
-/* -------------------------------------------------------------------------- */
-/* What follows are a couple of "special" typedefs and their limits. Again, */
-/* the actual definition of the limits is done in <_PDCLIB_int.h>, and the */
-/* defines here are merely "configuration". See above for details. */
-/* -------------------------------------------------------------------------- */
-
-/* The result type of substracting two pointers */
-#define _PDCLIB_ptrdiff int
-#define _PDCLIB_PTRDIFF INT
-
-/* 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
-
-/* Result type of the 'sizeof' operator (must be unsigned) */
-#define _PDCLIB_size unsigned int
-#define _PDCLIB_SIZE UINT
-
-/* 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_intptr int
-#define _PDCLIB_INTPTR INT
-
-/* Largest supported integer type. Implementation note: see _PDCLIB_atomax(). */
-#define _PDCLIB_intmax long long int
-#define _PDCLIB_INTMAX LLINT
-/* You are also required to state the literal suffix for the intmax type */
-#define _PDCLIB_INTMAX_LITERAL ll
-
-/* -------------------------------------------------------------------------- */
-/* Floating Point */
-/* -------------------------------------------------------------------------- */
-
-/* Whether the implementation rounds toward zero (0), to nearest (1), toward
- positive infinity (2), or toward negative infinity (3). (-1) signifies
- indeterminable rounding, any other value implementation-specific rounding.
-*/
-#define _PDCLIB_FLT_ROUNDS -1
-
-/* Whether the implementation uses exact-width precision (0), promotes float
- to double (1), or promotes float and double to long double (2). (-1)
- signifies indeterminable behaviour, any other value implementation-specific
- behaviour.
-*/
-#define _PDCLIB_FLT_EVAL_METHOD -1
-
-/* "Number of the decimal digits (n), such that any floating-point number in the
- widest supported floating type with p(max) radix (b) digits can be rounded to
- a floating-point number with (n) decimal digits and back again without change
- to the value p(max) log(10)b if (b) is a power of 10, [1 + p(max) log(10)b]
- otherwise."
- 64bit IEC 60559 double format (53bit mantissa) is DECIMAL_DIG 17.
- 80bit IEC 60559 double-extended format (64bit mantissa) is DECIMAL_DIG 21.
-*/
-#define _PDCLIB_DECIMAL_DIG 17
-
-/* -------------------------------------------------------------------------- */
-/* Platform-dependent macros defined by the standard headers. */
-/* -------------------------------------------------------------------------- */
-
-/* The offsetof macro
- Contract: Expand to an integer constant expression of type size_t, which
- represents the offset in bytes to the structure member from the beginning
- of the structure. If the specified member is a bitfield, behaviour is
- undefined.
- There is no standard-compliant way to do this.
- This implementation casts an integer zero to 'pointer to type', and then
- takes the address of member. This is undefined behaviour but should work on
- most compilers.
-*/
-#define _PDCLIB_offsetof( type, member ) ( (size_t) &( ( (type *) 0 )->member ) )
-
-/* 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
- stack-based architectures, and only if arguments are aligned to pointer
- type. Credits to Michael Moody, who contributed this to the Public Domain.
-*/
-
-/* 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 )
-
-/* -------------------------------------------------------------------------- */
-/* OS "glue" */
-/* This is where PDCLib interfaces with the operating system. The examples */
-/* below are POSIX calls; provide your OS' equivalents. */
-/* -------------------------------------------------------------------------- */
-
-/* A system call that terminates the calling process */
-void _exit( int status ) __attribute__(( noreturn ));
-#define _PDCLIB_Exit( x ) _exit( x )
-
-/* Memory management */
-
-/* Set this to the page size of your OS. If your OS does not support paging, set
- to an appropriate value. (Too small, and malloc() will call the kernel too
- often. Too large, and you will waste memory.
-*/
-#define _PDCLIB_PAGESIZE 4096
-
-/* Set this to the minimum memory node size. Any malloc() for a smaller siz
- will be satisfied by a malloc() of this size instead.
-*/
-#define _PDCLIB_MINALLOC 8
-
-/* Request another x pages (of size _PDCLIB_PAGESIZE) of memory from the kernel,
- or release them back to the kernel if n is negative.
- Return a (void *) pointing to the former end-of-heap if successful, NULL
- otherwise.
-*/
-void * _PDCLIB_allocpages( int n );
projects / pdclib / blobdiff