fmt_defs.h

Go to the documentation of this file.

 
#ifndef RW_FMT_DEFS_H_INCLUDED
#define RW_FMT_DEFS_H_INCLUDED
 
#include <rw_testdefs.h>
 
#include <stddef.h>     // for ptrdiff_t, size_t
 
 
// convenience typedefs
typedef unsigned char  UChar;
typedef unsigned short UShrt;
typedef unsigned int   UInt;
typedef unsigned long  ULong;
 
#ifdef _RWSTD_LONG_LONG
 
typedef unsigned _RWSTD_LONG_LONG ULLong;
 
#endif   // _RWSTD_LONG_LONG
 
typedef void (*funptr_t)();
 
struct DummyStruct { };
typedef void (DummyStruct::*memptr_t)() const;
 
 
struct Buffer {
    char   **pbuf;       // pointer to the output buffer
    size_t  *pbufsize;   // pointer to the size of the buffer
    size_t   maxsize;    // maximum not-to-exceed size
    size_t   endoff;     // offset of the last character
};
 
 
struct FmtSpec
{
    // optional flags
    unsigned fl_minus  : 1;
    unsigned fl_plus   : 1;
    unsigned fl_pound  : 1;
    unsigned fl_space  : 1;
    unsigned fl_zero   : 1;
 
    // optional length modifier
    enum Modifier {
        mod_none = 0,
        mod_h,       // short modifier
        mod_hh,      // char modifier
        mod_l,       // long modifier
        mod_ll,      // long long modifier
        mod_j,       // intmax_t modifier
        mod_z,       // size_t modifier
        mod_t,       // ptrdiff_t modifier
        mod_L,       // long double modifier
        mod_ext_A,   // extension: arrays
        mod_ext_I    // extension: int as ios::iostate
    };
 
    Modifier mod : 5;
 
    unsigned cond       : 1;   // have an if/else clause
    unsigned cond_true  : 1;   // if/else clause is active (true)
    unsigned cond_begin : 1;   // beginning of an if/else clause
    unsigned cond_end   : 1;   // end of an if/else clause
 
    // note that the signedness of a bitfield is implementation-defined
    // unless explicitly declared signed or unsigned
 
    // extension: 8, 16, 32, and 64 bit integer width modifier
    signed int iwidth : 4;
 
    // extension: optional numerical base 2 - 36
    signed int base   : 7;
 
    // extension: optional parameter number
    long paramno;
 
    // optional field width and precision
    int width;
    int prec;
 
    // extension: string argument
    char *strarg;
 
    // required conversion specifier
    int cvtspec;
 
    // extension: fill character
    int fill;
 
#ifndef _RWSTD_NO_LONG_DOUBLE
    typedef long double ldbl_t;
#else
    typedef double      ldbl_t;   // bogus (for convenience)
#endif   // _RWSTD_NO_LONG_DOUBLE
 
#ifdef _RWSTD_LONG_LONG
    typedef _RWSTD_LONG_LONG llong_t;
#else
    typedef long             llong_t;   // bogus (for convenience)
#endif   // _RWSTD_LONG_LONG
 
#ifdef _RWSTD_INT64_T
    typedef _RWSTD_INT64_T i64_t;
#else
    typedef int            i64_t;   // likely bogus (for convenience)
#endif   // _RWSTD_INT64_T
 
#ifdef _RWSTD_INT32_T
    typedef _RWSTD_INT32_T i32_t;
#else
    typedef int            i32_t;
#endif   // _RWSTD_INT64_T
 
#ifdef _RWSTD_WINT_T
    typedef _RWSTD_WINT_T wint_t;
#else
    typedef int           wint_t;
#endif   // _RWSTD_WINT_T
 
    typedef ::size_t   size_t;
    typedef ptrdiff_t  diff_t;
    typedef ::funptr_t funptr_t;
    typedef ::memptr_t memptr_t;
 
    typedef int        int_t;
    typedef long       long_t;
    typedef void*      ptr_t;
    typedef double     dbl_t;
 
    union {
        ldbl_t    ldbl_;
        llong_t   llong_;
        i64_t     i64_;
        ptr_t     ptr_;
        long_t    long_;
        i32_t     i32_;
        int_t     int_;
        diff_t    diff_;
        size_t    size_;
        wint_t    wint_;
 
        dbl_t     dbl_;
        memptr_t  memptr_;
        funptr_t  funptr_;
    } param;
};
 
 
// format a character string
extern int
_rw_fmtstr (const FmtSpec&, Buffer&, const char*, size_t);
 
// format errno value/name
extern int
_rw_fmterrno (const FmtSpec&, Buffer&, int);
 
// format Windows GetLastError(), or errno value/name
extern int
_rw_fmtlasterror (const FmtSpec&, Buffer&, int);
 
// format the name/value of an LC_XXX constant/environment variable
extern int
_rw_fmtlc (const FmtSpec&, Buffer&, int);
 
// format ctype_base::mask
extern int
_rw_fmtmask (const FmtSpec&, Buffer&, int);
 
// format a character mask (alpha|alnum|...|xdigit)
extern int
_rw_fmtcharmask (const FmtSpec&, Buffer&, int);
 
// format ios_base::iostate
extern int
_rw_fmtiostate (const FmtSpec&, Buffer&, int);
 
// format ios_base::fmtflags
extern int
_rw_fmtflags (const FmtSpec&, Buffer&, int);
 
// format ios_base::openmode
extern int
_rw_fmtopenmode (const FmtSpec&, Buffer&, int);
 
// format ios_base::seekdir
extern int
_rw_fmtseekdir (const FmtSpec&, Buffer&, int);
 
// format ios_base::event
extern int
_rw_fmtevent (const FmtSpec&, Buffer&, int);
 
extern int
_rw_fmtmonpat (const FmtSpec&, Buffer&, const char [4]);
 
// format a signal value/name
extern int
_rw_fmtsignal (const FmtSpec&, Buffer&, int);
 
// format a bitset of arbitrary size
extern int
_rw_fmtbits (const FmtSpec&, Buffer&, const void*, size_t);
 
#endif   // RW_FMT_DEFS_H_INCLUDED