-/* $Id$ */
-
/* PDCLib internal integer logic <_PDCLIB_int.h>
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
+#ifndef _PDCLIB_INT_H
+#define _PDCLIB_INT_H _PDCLIB_INT_H
+
/* -------------------------------------------------------------------------- */
/* You should not have to edit anything in this file; if you DO have to, it */
/* would be considered a bug / missing feature: notify the author(s). */
/* -------------------------------------------------------------------------- */
-#ifndef _PDCLIB_CONFIG_H
-#define _PDCLIB_CONFIG_H _PDCLIB_CONFIG_H
-#include <_PDCLIB_config.h>
-#endif
-
-#ifndef _PDCLIB_AUX_H
-#define _PDCLIB_AUX_H _PDCLIB_AUX_H
-#include <_PDCLIB_aux.h>
-#endif
+#include "_PDCLIB_config.h"
+#include "_PDCLIB_aux.h"
/* null pointer constant */
#define _PDCLIB_NULL 0
*/
#define _PDCLIB_FREAD 8u
#define _PDCLIB_FWRITE 16u
-#define _PDCLIB_FAPPEND 32u
+#define _PDCLIB_FAPPEND 32u
#define _PDCLIB_FRW 64u
#define _PDCLIB_FBIN 128u
struct _PDCLIB_file_t * next; /* Pointer to next struct (internal) */
};
+/* -------------------------------------------------------------------------- */
+/* Various <time.h> internals */
+/* -------------------------------------------------------------------------- */
+
+typedef _PDCLIB_time _PDCLIB_time_t;
+typedef _PDCLIB_clock _PDCLIB_clock_t;
+
/* -------------------------------------------------------------------------- */
/* Internal data types */
/* -------------------------------------------------------------------------- */
_PDCLIB_uintmax_t _PDCLIB_strtox_main( const char ** p, unsigned int base, _PDCLIB_uintmax_t error, _PDCLIB_uintmax_t limval, int limdigit, char * sign );
/* Digits arrays used by various integer conversion functions */
-extern char _PDCLIB_digits[];
-extern char _PDCLIB_Xdigits[];
+extern const char _PDCLIB_digits[];
+extern const char _PDCLIB_Xdigits[];
/* The worker for all printf() type of functions. The pointer spec should point
to the introducing '%' of a conversion specifier. The status structure is to
/* Parsing any fopen() style filemode string into a number of flags. */
unsigned int _PDCLIB_filemode( const char * mode );
-/* Sanity checking and preparing of read buffer, should be called first thing
+/* Sanity checking and preparing of read buffer, should be called first thing
by any stdio read-data function.
Returns 0 on success, EOF on error.
On error, EOF / error flags and errno are set appropriately.
/* errno */
/* -------------------------------------------------------------------------- */
+/* If PDCLib would call its error number "errno" directly, there would be no way
+ to catch its value from underlying system calls that also use it (i.e., POSIX
+ operating systems). That is why we use an internal name, providing a means to
+ access it through <errno.h>.
+*/
extern int _PDCLIB_errno;
+
+/* A mechanism for delayed evaluation. (Not sure if this is really necessary, so
+ no detailed documentation on the "why".)
+*/
int * _PDCLIB_errno_func( void );
-/* ERANGE and EDOM are specified by the standard. */
-#define _PDCLIB_ERANGE 1
-#define _PDCLIB_EDOM 2
-/* Used in the example implementation for any kind of I/O error. */
-#define _PDCLIB_EIO 3
-/* Used in the example implementation for "unknown error". */
-#define _PDCLIB_EUNKNOWN 4
-/* Used in the example implementation for "invalid parameter value". */
-#define _PDCLIB_EINVAL 5
-/* Used in the example implementation for "I/O retries exceeded". */
-#define _PDCLIB_ERETRY 6
-/* One larger than the largest used errno */
-#define _PDCLIB_EMAX 7
-
-/* TODO: Doing this via a static array is not the way to do it. */
-char const * _PDCLIB_errno_texts[ _PDCLIB_EMAX ];
+/* -------------------------------------------------------------------------- */
+/* <ctype.h> lookup tables */
+/* -------------------------------------------------------------------------- */
+
+#define _PDCLIB_CTYPE_ALPHA 1
+#define _PDCLIB_CTYPE_BLANK 2
+#define _PDCLIB_CTYPE_CNTRL 4
+#define _PDCLIB_CTYPE_GRAPH 8
+#define _PDCLIB_CTYPE_PUNCT 16
+#define _PDCLIB_CTYPE_SPACE 32
+#define _PDCLIB_CTYPE_LOWER 64
+#define _PDCLIB_CTYPE_UPPER 128
+#define _PDCLIB_CTYPE_DIGIT 256
+#define _PDCLIB_CTYPE_XDIGT 512
+
+struct _PDCLIB_ctype_t
+{
+ _PDCLIB_uint16_t flags;
+ unsigned char upper;
+ unsigned char lower;
+ unsigned char collation;
+};
+
+/* -------------------------------------------------------------------------- */
+/* Sanity checks */
+/* -------------------------------------------------------------------------- */
+
+_PDCLIB_static_assert( sizeof( short ) == _PDCLIB_SHRT_BYTES, "Compiler disagrees on _PDCLIB_SHRT_BYTES." );
+_PDCLIB_static_assert( sizeof( int ) == _PDCLIB_INT_BYTES, "Compiler disagrees on _PDCLIB_INT_BYTES." );
+_PDCLIB_static_assert( sizeof( long ) == _PDCLIB_LONG_BYTES, "Compiler disagrees on _PDCLIB_LONG_BYTES." );
+_PDCLIB_static_assert( sizeof( long long ) == _PDCLIB_LLONG_BYTES, "Compiler disagrees on _PDCLIB_LLONG_BYTES." );
+
+_PDCLIB_static_assert( ( (char)-1 < 0 ) == _PDCLIB_CHAR_SIGNED, "Compiler disagrees on _PDCLIB_CHAR_SIGNED." );
+_PDCLIB_static_assert( sizeof( sizeof( int ) ) == sizeof( _PDCLIB_size ), "Compiler disagrees on _PDCLIB_size." );
+
+_PDCLIB_static_assert( sizeof( _PDCLIB_wchar ) == sizeof( L'x' ), "Compiler disagrees on _PDCLIB_wchar." );
+
+_PDCLIB_static_assert( sizeof( void * ) == sizeof( _PDCLIB_intptr ), "Compiler disagrees on _PDCLIB_intptr." );
+
+_PDCLIB_static_assert( sizeof( &_PDCLIB_digits[1] - &_PDCLIB_digits[0] ) == sizeof( _PDCLIB_ptrdiff ), "Compiler disagrees on _PDCLIB_ptrdiff." );
+
+#endif
projects / pdclib / blobdiff