669 lines
20 KiB
C
669 lines
20 KiB
C
/*
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* wsprintf functions
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*
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* Copyright 1996 Alexandre Julliard
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*/
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#include <stdarg.h>
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#include <string.h>
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#include "wine/winbase16.h"
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#include "winuser.h"
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#include "ldt.h"
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#include "stackframe.h"
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#include "debug.h"
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DEFAULT_DEBUG_CHANNEL(string)
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#define WPRINTF_LEFTALIGN 0x0001 /* Align output on the left ('-' prefix) */
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#define WPRINTF_PREFIX_HEX 0x0002 /* Prefix hex with 0x ('#' prefix) */
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#define WPRINTF_ZEROPAD 0x0004 /* Pad with zeros ('0' prefix) */
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#define WPRINTF_LONG 0x0008 /* Long arg ('l' prefix) */
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#define WPRINTF_SHORT 0x0010 /* Short arg ('h' prefix) */
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#define WPRINTF_UPPER_HEX 0x0020 /* Upper-case hex ('X' specifier) */
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#define WPRINTF_WIDE 0x0040 /* Wide arg ('w' prefix) */
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typedef enum
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{
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WPR_UNKNOWN,
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WPR_CHAR,
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WPR_WCHAR,
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WPR_STRING,
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WPR_WSTRING,
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WPR_SIGNED,
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WPR_UNSIGNED,
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WPR_HEXA
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} WPRINTF_TYPE;
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typedef struct
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{
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UINT flags;
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UINT width;
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UINT precision;
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WPRINTF_TYPE type;
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} WPRINTF_FORMAT;
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typedef union {
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WCHAR wchar_view;
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CHAR char_view;
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LPCSTR lpcstr_view;
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LPCWSTR lpcwstr_view;
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INT int_view;
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} WPRINTF_DATA;
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static const CHAR null_stringA[] = "(null)";
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static const WCHAR null_stringW[] = { '(', 'n', 'u', 'l', 'l', ')', 0 };
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/***********************************************************************
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* WPRINTF_ParseFormatA
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*
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* Parse a format specification. A format specification has the form:
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*
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* [-][#][0][width][.precision]type
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*
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* Return value is the length of the format specification in characters.
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*/
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static INT WPRINTF_ParseFormatA( LPCSTR format, WPRINTF_FORMAT *res )
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{
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LPCSTR p = format;
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res->flags = 0;
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res->width = 0;
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res->precision = 0;
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if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
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if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
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if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
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while ((*p >= '0') && (*p <= '9')) /* width field */
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{
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res->width = res->width * 10 + *p - '0';
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p++;
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}
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if (*p == '.') /* precision field */
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{
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p++;
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while ((*p >= '0') && (*p <= '9'))
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{
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res->precision = res->precision * 10 + *p - '0';
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p++;
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}
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}
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if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
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else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
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else if (*p == 'w') { res->flags |= WPRINTF_WIDE; p++; }
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switch(*p)
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{
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case 'c':
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res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
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break;
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case 'C':
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res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
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break;
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case 'd':
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case 'i':
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res->type = WPR_SIGNED;
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break;
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case 's':
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res->type = (res->flags & (WPRINTF_LONG |WPRINTF_WIDE))
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? WPR_WSTRING : WPR_STRING;
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break;
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case 'S':
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res->type = (res->flags & (WPRINTF_SHORT|WPRINTF_WIDE))
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? WPR_STRING : WPR_WSTRING;
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break;
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case 'u':
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res->type = WPR_UNSIGNED;
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break;
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case 'X':
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res->flags |= WPRINTF_UPPER_HEX;
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/* fall through */
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case 'x':
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res->type = WPR_HEXA;
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break;
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default: /* unknown format char */
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res->type = WPR_UNKNOWN;
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p--; /* print format as normal char */
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break;
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}
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return (INT)(p - format) + 1;
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}
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/***********************************************************************
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* WPRINTF_ParseFormatW
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*
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* Parse a format specification. A format specification has the form:
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*
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* [-][#][0][width][.precision]type
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*
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* Return value is the length of the format specification in characters.
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*/
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static INT WPRINTF_ParseFormatW( LPCWSTR format, WPRINTF_FORMAT *res )
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{
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LPCWSTR p = format;
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res->flags = 0;
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res->width = 0;
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res->precision = 0;
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if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
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if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
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if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
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while ((*p >= '0') && (*p <= '9')) /* width field */
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{
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res->width = res->width * 10 + *p - '0';
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p++;
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}
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if (*p == '.') /* precision field */
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{
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p++;
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while ((*p >= '0') && (*p <= '9'))
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{
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res->precision = res->precision * 10 + *p - '0';
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p++;
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}
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}
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if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
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else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
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else if (*p == 'w') { res->flags |= WPRINTF_WIDE; p++; }
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switch((CHAR)*p)
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{
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case 'c':
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res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
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break;
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case 'C':
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res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
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break;
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case 'd':
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case 'i':
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res->type = WPR_SIGNED;
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break;
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case 's':
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res->type = ((res->flags & WPRINTF_SHORT) && !(res->flags & WPRINTF_WIDE)) ? WPR_STRING : WPR_WSTRING;
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break;
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case 'S':
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res->type = (res->flags & (WPRINTF_LONG|WPRINTF_WIDE)) ? WPR_WSTRING : WPR_STRING;
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break;
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case 'u':
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res->type = WPR_UNSIGNED;
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break;
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case 'X':
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res->flags |= WPRINTF_UPPER_HEX;
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/* fall through */
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case 'x':
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res->type = WPR_HEXA;
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break;
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default:
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res->type = WPR_UNKNOWN;
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p--; /* print format as normal char */
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break;
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}
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return (INT)(p - format) + 1;
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}
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/***********************************************************************
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* WPRINTF_GetLen
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*/
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static UINT WPRINTF_GetLen( WPRINTF_FORMAT *format, WPRINTF_DATA *arg,
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LPSTR number, UINT maxlen )
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{
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UINT len;
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if (format->flags & WPRINTF_LEFTALIGN) format->flags &= ~WPRINTF_ZEROPAD;
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if (format->width > maxlen) format->width = maxlen;
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switch(format->type)
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{
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case WPR_CHAR:
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case WPR_WCHAR:
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return (format->precision = 1);
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case WPR_STRING:
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if (!arg->lpcstr_view) arg->lpcstr_view = null_stringA;
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for (len = 0; !format->precision || (len < format->precision); len++)
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if (!*(arg->lpcstr_view + len)) break;
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if (len > maxlen) len = maxlen;
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return (format->precision = len);
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case WPR_WSTRING:
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if (!arg->lpcwstr_view) arg->lpcwstr_view = null_stringW;
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for (len = 0; !format->precision || (len < format->precision); len++)
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if (!*(arg->lpcwstr_view + len)) break;
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if (len > maxlen) len = maxlen;
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return (format->precision = len);
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case WPR_SIGNED:
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len = sprintf( number, "%d", arg->int_view );
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break;
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case WPR_UNSIGNED:
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len = sprintf( number, "%u", (UINT)arg->int_view );
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break;
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case WPR_HEXA:
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len = sprintf( number,
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(format->flags & WPRINTF_UPPER_HEX) ? "%X" : "%x",
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(UINT)arg->int_view);
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if (format->flags & WPRINTF_PREFIX_HEX) len += 2;
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break;
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default:
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return 0;
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}
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if (len > maxlen) len = maxlen;
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if (format->precision < len) format->precision = len;
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if (format->precision > maxlen) format->precision = maxlen;
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if ((format->flags & WPRINTF_ZEROPAD) && (format->width > format->precision))
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format->precision = format->width;
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return len;
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}
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/***********************************************************************
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* WPRINTF_ExtractVAPtr (Not a Windows API)
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*/
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static WPRINTF_DATA WPRINTF_ExtractVAPtr( WPRINTF_FORMAT *format, va_list* args )
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{
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WPRINTF_DATA result;
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switch(format->type)
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{
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case WPR_WCHAR:
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result.wchar_view = va_arg( *args, WCHAR ); break;
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case WPR_CHAR:
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result.char_view = va_arg( *args, CHAR ); break;
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case WPR_STRING:
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result.lpcstr_view = va_arg( *args, LPCSTR); break;
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case WPR_WSTRING:
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result.lpcwstr_view = va_arg( *args, LPCWSTR); break;
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case WPR_HEXA:
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case WPR_SIGNED:
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case WPR_UNSIGNED:
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result.int_view = va_arg( *args, INT ); break;
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default:
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result.wchar_view = 0; break;
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}
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return result;
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}
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/***********************************************************************
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* wvsnprintf16 (Not a Windows API)
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*/
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INT16 WINAPI wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec,
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LPCVOID args )
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{
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WPRINTF_FORMAT format;
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LPSTR p = buffer;
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UINT i, len;
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CHAR number[20];
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WPRINTF_DATA cur_arg;
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SEGPTR seg_str;
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while (*spec && (maxlen > 1))
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{
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if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
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spec++;
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if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
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spec += WPRINTF_ParseFormatA( spec, &format );
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switch(format.type)
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{
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case WPR_WCHAR: /* No Unicode in Win16 */
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case WPR_CHAR:
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cur_arg.char_view = VA_ARG16( args, CHAR );
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break;
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case WPR_WSTRING: /* No Unicode in Win16 */
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case WPR_STRING:
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seg_str = VA_ARG16( args, SEGPTR );
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if (IsBadReadPtr16(seg_str, 1 )) cur_arg.lpcstr_view = "";
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else cur_arg.lpcstr_view = PTR_SEG_TO_LIN( seg_str );
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break;
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case WPR_SIGNED:
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if (!(format.flags & WPRINTF_LONG))
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{
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cur_arg.int_view = VA_ARG16( args, INT16 );
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break;
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}
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/* fall through */
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case WPR_HEXA:
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case WPR_UNSIGNED:
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if (format.flags & WPRINTF_LONG)
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cur_arg.int_view = VA_ARG16( args, UINT );
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else
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cur_arg.int_view = VA_ARG16( args, UINT16 );
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break;
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case WPR_UNKNOWN:
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continue;
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}
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len = WPRINTF_GetLen( &format, &cur_arg, number, maxlen - 1 );
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if (!(format.flags & WPRINTF_LEFTALIGN))
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for (i = format.precision; i < format.width; i++, maxlen--)
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*p++ = ' ';
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switch(format.type)
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{
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case WPR_WCHAR: /* No Unicode in Win16 */
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case WPR_CHAR:
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*p= cur_arg.char_view;
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if (*p != '\0') p++;
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else if (format.width > 1) *p++ = ' ';
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else len = 0;
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break;
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case WPR_WSTRING: /* No Unicode in Win16 */
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case WPR_STRING:
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if (len) memcpy( p, cur_arg.lpcstr_view, len );
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p += len;
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break;
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case WPR_HEXA:
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if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
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{
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*p++ = '0';
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*p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
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maxlen -= 2;
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len -= 2;
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format.precision -= 2;
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format.width -= 2;
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}
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/* fall through */
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case WPR_SIGNED:
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case WPR_UNSIGNED:
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for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
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if (len) memcpy( p, number, len );
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p += len;
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break;
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case WPR_UNKNOWN:
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continue;
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}
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if (format.flags & WPRINTF_LEFTALIGN)
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for (i = format.precision; i < format.width; i++, maxlen--)
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*p++ = ' ';
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maxlen -= len;
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}
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*p = 0;
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return (maxlen > 1) ? (INT)(p - buffer) : -1;
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}
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/***********************************************************************
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* wvsnprintfA (Not a Windows API)
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*/
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INT WINAPI wvsnprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec,
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va_list args )
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{
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WPRINTF_FORMAT format;
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LPSTR p = buffer;
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UINT i, len;
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CHAR number[20];
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WPRINTF_DATA argData = (WPRINTF_DATA)0;
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while (*spec && (maxlen > 1))
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{
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if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
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spec++;
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if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
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spec += WPRINTF_ParseFormatA( spec, &format );
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argData = WPRINTF_ExtractVAPtr( &format, &args );
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len = WPRINTF_GetLen( &format, &argData, number, maxlen - 1 );
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if (!(format.flags & WPRINTF_LEFTALIGN))
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for (i = format.precision; i < format.width; i++, maxlen--)
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*p++ = ' ';
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switch(format.type)
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{
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case WPR_WCHAR:
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*p = argData.wchar_view;
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if (*p != '\0') p++;
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else if (format.width > 1) *p++ = ' ';
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else len = 0;
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break;
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case WPR_CHAR:
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*p = argData.char_view;
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if (*p != '\0') p++;
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else if (format.width > 1) *p++ = ' ';
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else len = 0;
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break;
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case WPR_STRING:
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memcpy( p, argData.lpcstr_view, len );
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p += len;
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break;
|
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case WPR_WSTRING:
|
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{
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LPCWSTR ptr = argData.lpcwstr_view;
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for (i = 0; i < len; i++) *p++ = (CHAR)*ptr++;
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}
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break;
|
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case WPR_HEXA:
|
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if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
|
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{
|
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*p++ = '0';
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*p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
|
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maxlen -= 2;
|
|
len -= 2;
|
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format.precision -= 2;
|
|
format.width -= 2;
|
|
}
|
|
/* fall through */
|
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case WPR_SIGNED:
|
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case WPR_UNSIGNED:
|
|
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
|
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memcpy( p, number, len );
|
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p += len;
|
|
/* Go to the next arg */
|
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break;
|
|
case WPR_UNKNOWN:
|
|
continue;
|
|
}
|
|
if (format.flags & WPRINTF_LEFTALIGN)
|
|
for (i = format.precision; i < format.width; i++, maxlen--)
|
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*p++ = ' ';
|
|
maxlen -= len;
|
|
}
|
|
*p = 0;
|
|
TRACE(string,"%s\n",buffer);
|
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return (maxlen > 1) ? (INT)(p - buffer) : -1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wvsnprintfW (Not a Windows API)
|
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*/
|
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INT WINAPI wvsnprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec,
|
|
va_list args )
|
|
{
|
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WPRINTF_FORMAT format;
|
|
LPWSTR p = buffer;
|
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UINT i, len;
|
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CHAR number[20];
|
|
|
|
while (*spec && (maxlen > 1))
|
|
{
|
|
if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
|
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spec++;
|
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if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
|
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spec += WPRINTF_ParseFormatW( spec, &format );
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len = WPRINTF_GetLen( &format, args, number, maxlen - 1 );
|
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if (!(format.flags & WPRINTF_LEFTALIGN))
|
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for (i = format.precision; i < format.width; i++, maxlen--)
|
|
*p++ = ' ';
|
|
switch(format.type)
|
|
{
|
|
case WPR_WCHAR:
|
|
*p = va_arg( args, WCHAR );
|
|
if (*p != '\0') p++;
|
|
else if (format.width > 1) *p++ = ' ';
|
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else len = 0;
|
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break;
|
|
case WPR_CHAR:
|
|
*p = (WCHAR)va_arg( args, CHAR );
|
|
if (*p != '\0') p++;
|
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else if (format.width > 1) *p++ = ' ';
|
|
else len = 0;
|
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break;
|
|
case WPR_STRING:
|
|
{
|
|
LPCSTR ptr = va_arg( args, LPCSTR );
|
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for (i = 0; i < len; i++) *p++ = (WCHAR)*ptr++;
|
|
}
|
|
break;
|
|
case WPR_WSTRING:
|
|
if (len) memcpy( p, va_arg( args, LPCWSTR ), len * sizeof(WCHAR) );
|
|
p += len;
|
|
break;
|
|
case WPR_HEXA:
|
|
if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
|
|
{
|
|
*p++ = '0';
|
|
*p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
|
|
maxlen -= 2;
|
|
len -= 2;
|
|
format.precision -= 2;
|
|
format.width -= 2;
|
|
}
|
|
/* fall through */
|
|
case WPR_SIGNED:
|
|
case WPR_UNSIGNED:
|
|
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
|
|
for (i = 0; i < len; i++) *p++ = (WCHAR)number[i];
|
|
(void)va_arg( args, INT ); /* Go to the next arg */
|
|
break;
|
|
case WPR_UNKNOWN:
|
|
continue;
|
|
}
|
|
if (format.flags & WPRINTF_LEFTALIGN)
|
|
for (i = format.precision; i < format.width; i++, maxlen--)
|
|
*p++ = ' ';
|
|
maxlen -= len;
|
|
}
|
|
*p = 0;
|
|
return (maxlen > 1) ? (INT)(p - buffer) : -1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wvsprintf16 (USER.421)
|
|
*/
|
|
INT16 WINAPI wvsprintf16( LPSTR buffer, LPCSTR spec, LPCVOID args )
|
|
{
|
|
TRACE(string,"for %p got:\n",buffer);
|
|
return wvsnprintf16( buffer, 0xffff, spec, args );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wvsprintfA (USER32.587)
|
|
*/
|
|
INT WINAPI wvsprintfA( LPSTR buffer, LPCSTR spec, va_list args )
|
|
{
|
|
TRACE(string,"for %p got:\n",buffer);
|
|
return wvsnprintfA( buffer, 0xffffffff, spec, args );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wvsprintfW (USER32.588)
|
|
*/
|
|
INT WINAPI wvsprintfW( LPWSTR buffer, LPCWSTR spec, va_list args )
|
|
{
|
|
TRACE(string,"for %p got:\n",buffer);
|
|
return wvsnprintfW( buffer, 0xffffffff, spec, args );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wsprintf16 (USER.420)
|
|
*/
|
|
/* Winelib version */
|
|
INT16 WINAPIV wsprintf16( LPSTR buffer, LPCSTR spec, ... )
|
|
{
|
|
va_list valist;
|
|
INT16 res;
|
|
|
|
TRACE(string,"for %p got:\n",buffer);
|
|
va_start( valist, spec );
|
|
/* Note: we call the 32-bit version, because the args are 32-bit */
|
|
res = (INT16)wvsnprintfA( buffer, 0xffffffff, spec, valist );
|
|
va_end( valist );
|
|
return res;
|
|
}
|
|
|
|
/* Emulator version */
|
|
INT16 WINAPIV WIN16_wsprintf16(void)
|
|
{
|
|
VA_LIST16 valist;
|
|
INT16 res;
|
|
SEGPTR buffer, spec;
|
|
|
|
VA_START16( valist );
|
|
buffer = VA_ARG16( valist, SEGPTR );
|
|
spec = VA_ARG16( valist, SEGPTR );
|
|
TRACE(string,"got:\n");
|
|
res = wvsnprintf16( (LPSTR)PTR_SEG_TO_LIN(buffer), 0xffff,
|
|
(LPCSTR)PTR_SEG_TO_LIN(spec), valist );
|
|
VA_END16( valist );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wsprintfA (USER32.585)
|
|
*/
|
|
INT WINAPIV wsprintfA( LPSTR buffer, LPCSTR spec, ... )
|
|
{
|
|
va_list valist;
|
|
INT res;
|
|
|
|
TRACE(string,"for %p got:\n",buffer);
|
|
va_start( valist, spec );
|
|
res = wvsnprintfA( buffer, 0xffffffff, spec, valist );
|
|
va_end( valist );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wsprintfW (USER32.586)
|
|
*/
|
|
INT WINAPIV wsprintfW( LPWSTR buffer, LPCWSTR spec, ... )
|
|
{
|
|
va_list valist;
|
|
INT res;
|
|
|
|
TRACE(string,"wsprintfW for %p\n",buffer);
|
|
va_start( valist, spec );
|
|
res = wvsnprintfW( buffer, 0xffffffff, spec, valist );
|
|
va_end( valist );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wsnprintf16 (Not a Windows API)
|
|
*/
|
|
INT16 WINAPIV wsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec, ... )
|
|
{
|
|
va_list valist;
|
|
INT16 res;
|
|
|
|
va_start( valist, spec );
|
|
res = wvsnprintf16( buffer, maxlen, spec, valist );
|
|
va_end( valist );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wsnprintfA (Not a Windows API)
|
|
*/
|
|
INT WINAPIV wsnprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec, ... )
|
|
{
|
|
va_list valist;
|
|
INT res;
|
|
|
|
va_start( valist, spec );
|
|
res = wvsnprintfA( buffer, maxlen, spec, valist );
|
|
va_end( valist );
|
|
return res;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wsnprintfW (Not a Windows API)
|
|
*/
|
|
INT WINAPIV wsnprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec, ... )
|
|
{
|
|
va_list valist;
|
|
INT res;
|
|
|
|
va_start( valist, spec );
|
|
res = wvsnprintfW( buffer, maxlen, spec, valist );
|
|
va_end( valist );
|
|
return res;
|
|
}
|