X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=internals%2F_PDCLIB_int.h;h=a46c2dc6c7f93014a58cb85a3949e976891ce821;hb=ce0e5d8cd76b50f239fb8e95170502b146247b35;hp=20a1682303f0b8424be974f41a532af31743ddd7;hpb=8024ab6eb8c841b330458354788d7f3a86bee7dd;p=pdclib diff --git a/internals/_PDCLIB_int.h b/internals/_PDCLIB_int.h index 20a1682..a46c2dc 100644 --- a/internals/_PDCLIB_int.h +++ b/internals/_PDCLIB_int.h @@ -101,7 +101,7 @@ #elif _PDCLIB_LLONG_BYTES == 16 #define _PDCLIB_LLONG_MAX 0x7fffffffffffffffffffffffffffffffLL #define _PDCLIB_LLONG_MIN (-0x7fffffffffffffffffffffffffffffffLL - 1LL) -#define _PDCLIB_ULLONG_MAX 0xffffffffffffffffffffffffffffffffLL +#define _PDCLIB_ULLONG_MAX 0xffffffffffffffffffffffffffffffffULL #else #error Unsupported width of 'long long' (neither 64 nor 128 bit). #endif @@ -110,36 +110,41 @@ /* -------------------------------------------------------------------------- */ /* exact-width types and their limits */ /* -------------------------------------------------------------------------- */ +/* Note that, for the "standard" widths of 8, 16, 32 and 64 bit, the "LEAST" */ +/* types are identical to the "exact-width" types, by definition. */ -/* Setting 'int8_t', its limits, and its literal. */ +/* Setting 'int8_t', its limits, its literal, and conversion macros. */ #if _PDCLIB_CHAR_BIT == 8 typedef signed char _PDCLIB_int8_t; typedef unsigned char _PDCLIB_uint8_t; #define _PDCLIB_INT8_MAX _PDCLIB_CHAR_MAX #define _PDCLIB_INT8_MIN _PDCLIB_CHAR_MIN #define _PDCLIB_UINT8_MAX _PDCLIB_UCHAR_MAX +#define _PDCLIB_8_CONV hh #else #error Unsupported width of char (not 8 bits). #endif -/* Setting 'int16_t', its limits, and its literal */ +/* Setting 'int16_t', its limits, its literal, and conversion macros. */ #if _PDCLIB_INT_BYTES == 2 typedef signed int _PDCLIB_int16_t; typedef unsigned int _PDCLIB_uint16_t; #define _PDCLIB_INT16_MAX _PDCLIB_INT_MAX #define _PDCLIB_INT16_MIN _PDCLIB_INT_MIN #define _PDCLIB_UINT16_MAX _PDCLIB_UINT_MAX +#define _PDCLIB_16_CONV #elif _PDCLIB_SHRT_BYTES == 2 typedef signed short _PDCLIB_int16_t; typedef unsigned short _PDCLIB_uint16_t; #define _PDCLIB_INT16_MAX _PDCLIB_SHRT_MAX #define _PDCLIB_INT16_MIN _PDCLIB_SHRT_MIN #define _PDCLIB_UINT16_MAX _PDCLIB_USHRT_MAX +#define _PDCLIB_16_CONV h #else #error Neither 'short' nor 'int' are 16-bit. #endif -/* Setting 'int32_t', its limits, and its literal */ +/* Setting 'int32_t', its limits, its literal, and conversion macros. */ #if _PDCLIB_INT_BYTES == 4 typedef signed int _PDCLIB_int32_t; typedef unsigned int _PDCLIB_uint32_t; @@ -148,6 +153,7 @@ typedef unsigned int _PDCLIB_uint32_t; #define _PDCLIB_UINT32_MAX _PDCLIB_UINT_MAX #define _PDCLIB_INT32_LITERAL #define _PDCLIB_UINT32_LITERAL +#define _PDCLIB_32_CONV #elif _PDCLIB_LONG_BYTES == 4 typedef signed long _PDCLIB_int32_t; typedef unsigned long _PDCLIB_uint32_t; @@ -156,10 +162,12 @@ typedef unsigned long _PDCLIB_uint32_t; #define _PDCLIB_UINT32_MAX _PDCLIB_LONG_MAX #define _PDCLIB_INT32_LITERAL l #define _PDCLIB_UINT32_LITERAL ul +#define _PDCLIB_32_CONV l #else #error Neither 'int' nor 'long' are 32-bit. #endif +/* Setting 'int64_t', its limits, its literal, and conversion macros. */ #if _PDCLIB_LONG_BYTES == 8 typedef signed long _PDCLIB_int64_t; typedef unsigned long _PDCLIB_uint64_t; @@ -168,6 +176,7 @@ typedef unsigned long _PDCLIB_uint64_t; #define _PDCLIB_UINT64_MAX _PDCLIB_ULONG_MAX #define _PDCLIB_INT64_LITERAL l #define _PDCLIB_UINT64_LITERAL ul +#define _PDCLIB_64_CONV l #elif _PDCLIB_LLONG_BYTES == 8 typedef signed long long _PDCLIB_int64_t; typedef unsigned long long _PDCLIB_uint64_t; @@ -176,6 +185,7 @@ typedef unsigned long long _PDCLIB_uint64_t; #define _PDCLIB_UINT64_MAX _PDCLIB_ULLONG_MAX #define _PDCLIB_INT64_LITERAL ll #define _PDCLIB_UINT64_LITERAL ull +#define _PDCLIB_64_CONV ll #else #error Neither 'long' nor 'long long' are 64-bit. #endif @@ -258,12 +268,20 @@ typedef unsigned _PDCLIB_intmax _PDCLIB_uintmax_t; #define _PDCLIB_FBIN 128u /* Internal flags, made to fit the same status field as the flags above. */ -#define _PDCLIB_LIBBUFFER 512u +/* -------------------------------------------------------------------------- */ +/* free() the buffer memory on closing (false for user-supplied buffer) */ +#define _PDCLIB_FREEBUFFER 512u +/* stream has encountered error / EOF */ #define _PDCLIB_ERRORFLAG 1024u #define _PDCLIB_EOFFLAG 2048u +/* stream is wide-oriented */ #define _PDCLIB_WIDESTREAM 4096u +/* stream is byte-oriented */ #define _PDCLIB_BYTESTREAM 8192u +/* file associated with stream should be remove()d on closing (tmpfile()) */ #define _PDCLIB_DELONCLOSE 16384u +/* stream handle should not be free()d on close (stdin, stdout, stderr) */ +#define _PDCLIB_STATIC 32768u /* Position / status structure for getpos() / fsetpos(). */ struct _PDCLIB_fpos_t @@ -382,26 +400,45 @@ int _PDCLIB_prepread( struct _PDCLIB_file_t * stream ); */ int _PDCLIB_prepwrite( struct _PDCLIB_file_t * stream ); +/* Closing all streams on program exit */ +void _PDCLIB_closeall( void ); + /* -------------------------------------------------------------------------- */ /* 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 . +*/ 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 ]; +/* -------------------------------------------------------------------------- */ +/* 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; +}; +