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Macros for dumping a variants type and flags. 

Fix the date inlines.
Round negative numbers with fractional parts > 0.5 correctly.
This commit is contained in:
Jon Griffiths 2003-11-25 01:48:51 +00:00 committed by Alexandre Julliard
parent f68ec6fc5d
commit f9bca5eaf7
1 changed files with 53 additions and 17 deletions
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70
dlls/oleaut32/variant.h
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@ -24,6 +24,24 @@
#include "oleauto.h"
#include <math.h>
/* Get just the type from a variant pointer */
#define V_TYPE(v) (V_VT((v)) & VT_TYPEMASK)
/* Flags set in V_VT, other than the actual type value */
#define VT_EXTRA_TYPE (VT_VECTOR|VT_ARRAY|VT_BYREF|VT_RESERVED)
/* Get the extra flags from a variant pointer */
#define V_EXTRA_TYPE(v) (V_VT((v)) & VT_EXTRA_TYPE)
extern const char* wine_vtypes[];
#define debugstr_vt(v) (((v)&VT_TYPEMASK) <= VT_CLSID ? wine_vtypes[((v)&VT_TYPEMASK)] : \
((v)&VT_TYPEMASK) == VT_BSTR_BLOB ? "VT_BSTR_BLOB": "Invalid")
#define debugstr_VT(v) (!(v) ? "(null)" : debugstr_vt(V_TYPE((v))))
extern const char* wine_vflags[];
#define debugstr_vf(v) (wine_vflags[((v)&VT_EXTRA_TYPE)>>12])
#define debugstr_VF(v) (!(v) ? "(null)" : debugstr_vf(V_EXTRA_TYPE(v)))
/* Size constraints */
#define I1_MAX 0x7f
#define I1_MIN ((-I1_MAX)-1)
@ -48,7 +66,7 @@
#define R8_MAX 1.79769313486231470e+308
#define R8_MIN 4.94065645841246544e-324
/* Value of sign for a positive number */
/* Value of sign for a positive decimal number */
#define DECIMAL_POS 0
/* Native headers don't change the union ordering for DECIMAL sign/scale (duh).
@ -74,7 +92,7 @@
#define DEC_MAX_SCALE 28 /* Maximum scale for a decimal */
/* Inline return type */
#define RETTYP inline static HRESULT
#define RETTYP inline static HRESULT
/* Simple compiler cast from one type to another */
#define SIMPLE(dest, src, func) RETTYP _##func(src in, dest* out) { \
@ -297,10 +315,15 @@ BOOLFUNC(double,VarBoolFromR8);
#define _VarBoolFromDisp(disp,lcid,out) VARIANT_FromDisp(disp, lcid, (BYTE*)out, VT_BOOL)
#define _VarBoolFromDec VarBoolFromDec
/* Internal flags for low level conversion functions */
#define VAR_BOOLONOFF 0x0400 /* Convert bool to "On"/"Off" */
#define VAR_BOOLYESNO 0x0800 /* Convert bool to "Yes"/"No" */
#define VAR_NEGATIVE 0x1000 /* Number is negative */
/* DECIMAL */
#define _VarDecFromUI1 VarDecFromUI4
#define _VarDecFromI2 VarDecFromI4
#define _VarDecFromR4 VarDecFromR8
#define _VarDecFromR4 VarDecFromR4
#define _VarDecFromR8 VarDecFromR8
#define _VarDecFromCy VarDecFromCy
#define _VarDecFromDate(dt,out) VarDecFromR8((double)dt,out)
@ -336,21 +359,33 @@ RETTYP _VarCyFromI8(LONG64 i, CY* o) {
#define _VarCyFromUI8 VarCyFromR8
/* DATE */
#define _VarDateFromUI1 VarDateFromR8
#define _VarDateFromI2 VarDateFromR8
#define _VarDateFromR4 VarDateFromR8
#define _VarDateFromR8 VarDateFromR8
#define _VarDateFromCy VarDateFromCy
#define _VarDateFromUI1 _VarR8FromUI1
#define _VarDateFromI2 _VarR8FromI2
#define _VarDateFromR4 _VarDateFromR8
RETTYP _VarDateFromR8(double i, DATE* o) {
if (i <= (DATE_MIN - 1.0) || i >= (DATE_MAX + 1.0)) return DISP_E_OVERFLOW;
*o = (DATE)i;
return S_OK;
}
#define _VarDateFromCy _VarR8FromCy
#define _VarDateFromStr VarDateFromStr
#define _VarDateFromDisp(disp,lcid,out) VARIANT_FromDisp(disp, lcid, out, VT_DATE)
#define _VarDateFromBool VarDateFromR8
#define _VarDateFromI1 VarDateFromR8
#define _VarDateFromUI2 VarDateFromR8
#define _VarDateFromI4 VarDateFromR8
#define _VarDateFromUI4 VarDateFromR8
#define _VarDateFromDec VarDateFromDec
#define _VarDateFromI8 VarDateFromR8
#define _VarDateFromUI8 VarDateFromR8
#define _VarDateFromBool _VarR8FromBool
#define _VarDateFromI1 _VarR8FromI1
#define _VarDateFromUI2 _VarR8FromUI2
#define _VarDateFromI4 _VarDateFromR8
#define _VarDateFromUI4 _VarDateFromR8
#define _VarDateFromDec _VarR8FromDec
RETTYP _VarDateFromI8(LONG64 i, DATE* o) {
if (i < DATE_MIN || i > DATE_MAX) return DISP_E_OVERFLOW;
*o = (DATE)i;
return S_OK;
}
RETTYP _VarDateFromUI8(ULONG64 i, DATE* o) {
if (i > DATE_MAX) return DISP_E_OVERFLOW;
*o = (DATE)i;
return S_OK;
}
/* BSTR */
#define _VarBstrFromUI1 VarBstrFromUI4
@ -373,7 +408,8 @@ RETTYP _VarCyFromI8(LONG64 i, CY* o) {
* rounding according to the 'dutch' convention.
*/
#define OLEAUT32_DutchRound(typ, value, res) do { \
double whole = floor((double)value), fract = (double)value - whole; \
double whole = (double)value < 0 ? ceil((double)value) : floor((double)value); \
double fract = (double)value - whole; \
if (fract > 0.5) res = (typ)whole + (typ)1; \
else if (fract == 0.5) { typ is_odd = (typ)whole & 1; res = whole + is_odd; } \
else if (fract >= 0.0) res = (typ)whole; \