4 * Copyright 1996 Alexandre Julliard
12 #include "stackframe.h"
14 #define WPRINTF_LEFTALIGN 0x0001 /* Align output on the left ('-' prefix) */
15 #define WPRINTF_PREFIX_HEX 0x0002 /* Prefix hex with 0x ('#' prefix) */
16 #define WPRINTF_ZEROPAD 0x0004 /* Pad with zeros ('0' prefix) */
17 #define WPRINTF_LONG 0x0008 /* Long arg ('l' prefix) */
18 #define WPRINTF_SHORT 0x0010 /* Short arg ('h' prefix) */
19 #define WPRINTF_UPPER_HEX 0x0020 /* Upper-case hex ('X' specifier) */
41 /***********************************************************************
42 * WPRINTF_ParseFormatA
44 * Parse a format specification. A format specification has the form:
46 * [-][#][0][width][.precision]type
48 * Return value is the length of the format specification in characters.
50 static INT32 WPRINTF_ParseFormatA( LPCSTR format, WPRINTF_FORMAT *res )
57 if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
58 if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
59 if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
60 while ((*p >= '0') && (*p <= '9')) /* width field */
62 res->width = res->width * 10 + *p - '0';
65 if (*p == '.') /* precision field */
68 while ((*p >= '0') && (*p <= '9'))
70 res->precision = res->precision * 10 + *p - '0';
74 if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
75 else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
79 res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
82 res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
86 res->type = WPR_SIGNED;
89 res->type = (res->flags & WPRINTF_LONG) ? WPR_WSTRING : WPR_STRING;
92 res->type = (res->flags & WPRINTF_SHORT) ? WPR_STRING : WPR_WSTRING;
95 res->type = WPR_UNSIGNED;
98 res->flags |= WPRINTF_UPPER_HEX;
101 res->type = WPR_HEXA;
104 fprintf( stderr, "wvsprintf32A: unknown format '%c'\n", *p );
107 return (INT32)(p - format) + 1;
111 /***********************************************************************
112 * WPRINTF_ParseFormatW
114 * Parse a format specification. A format specification has the form:
116 * [-][#][0][width][.precision]type
118 * Return value is the length of the format specification in characters.
120 static INT32 WPRINTF_ParseFormatW( LPCWSTR format, WPRINTF_FORMAT *res )
127 if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
128 if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
129 if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
130 while ((*p >= '0') && (*p <= '9')) /* width field */
132 res->width = res->width * 10 + *p - '0';
135 if (*p == '.') /* precision field */
138 while ((*p >= '0') && (*p <= '9'))
140 res->precision = res->precision * 10 + *p - '0';
144 if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
145 else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
149 res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
152 res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
156 res->type = WPR_SIGNED;
159 res->type = (res->flags & WPRINTF_SHORT) ? WPR_STRING : WPR_WSTRING;
162 res->type = (res->flags & WPRINTF_LONG) ? WPR_WSTRING : WPR_STRING;
165 res->type = WPR_UNSIGNED;
168 res->flags |= WPRINTF_UPPER_HEX;
171 res->type = WPR_HEXA;
174 fprintf( stderr, "wvsprintf32W: unknown format '%c'\n", (CHAR)*p );
177 return (INT32)(p - format) + 1;
181 /***********************************************************************
184 static UINT32 WPRINTF_GetLen( WPRINTF_FORMAT *format, LPCVOID arg,
185 LPSTR number, UINT32 maxlen )
189 if (format->flags & WPRINTF_LEFTALIGN) format->flags &= ~WPRINTF_ZEROPAD;
190 if (format->width > maxlen) format->width = maxlen;
195 return (format->precision = 1);
197 for (len = 0; !format->precision || (len < format->precision); len++)
198 if (!*(*(LPCSTR *)arg + len)) break;
199 if (len > maxlen) len = maxlen;
200 return (format->precision = len);
202 for (len = 0; !format->precision || (len < format->precision); len++)
203 if (!*(*(LPCWSTR *)arg + len)) break;
204 if (len > maxlen) len = maxlen;
205 return (format->precision = len);
207 len = sprintf( number, "%d", *(INT32 *)arg );
210 len = sprintf( number, "%u", *(UINT32 *)arg );
213 len = sprintf( number,
214 (format->flags & WPRINTF_UPPER_HEX) ? "%X" : "%x",
216 if (format->flags & WPRINTF_PREFIX_HEX) len += 2;
221 if (len > maxlen) len = maxlen;
222 if (format->precision < len) format->precision = len;
223 if (format->precision > maxlen) format->precision = maxlen;
224 if ((format->flags & WPRINTF_ZEROPAD) && (format->width > format->precision))
225 format->precision = format->width;
230 /***********************************************************************
231 * wvsnprintf16 (Not a Windows API)
233 INT16 WINAPI wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec,
236 WPRINTF_FORMAT format;
242 while (*spec && (maxlen > 1))
244 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
246 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
247 spec += WPRINTF_ParseFormatA( spec, &format );
250 case WPR_WCHAR: /* No Unicode in Win16 */
252 cur_arg = (DWORD)*(CHAR *)args;
253 args = (WORD *)args + 1;
255 case WPR_WSTRING: /* No Unicode in Win16 */
257 if (IsBadReadPtr16( *(SEGPTR *)args, 1 )) cur_arg = (DWORD)"";
258 else cur_arg = (DWORD)PTR_SEG_TO_LIN( *(SEGPTR *)args );
259 args = (SEGPTR *)args + 1;
262 if (!(format.flags & WPRINTF_LONG))
264 cur_arg = (DWORD)(INT32)*(INT16 *)args;
265 args = (INT16 *)args + 1;
271 if (format.flags & WPRINTF_LONG)
273 cur_arg = (DWORD)*(UINT32 *)args;
274 args = (UINT32 *)args + 1;
278 cur_arg = (DWORD)*(UINT16 *)args;
279 args = (UINT16 *)args + 1;
283 len = WPRINTF_GetLen( &format, &cur_arg, number, maxlen - 1 );
284 if (!(format.flags & WPRINTF_LEFTALIGN))
285 for (i = format.precision; i < format.width; i++, maxlen--)
290 if ((*p = (CHAR)cur_arg)) p++;
291 else if (format.width > 1) *p++ = ' ';
295 if (len) memcpy( p, (LPCSTR)cur_arg, len );
299 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
302 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
305 format.precision -= 2;
311 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
312 if (len) memcpy( p, number, len );
317 fprintf( stderr, "Unicode not supported in wsprintf16\n" );
320 if (format.flags & WPRINTF_LEFTALIGN)
321 for (i = format.precision; i < format.width; i++, maxlen--)
326 return (maxlen > 1) ? (INT32)(p - buffer) : -1;
330 /***********************************************************************
331 * wvsnprintf32A (Not a Windows API)
333 INT32 WINAPI wvsnprintf32A( LPSTR buffer, UINT32 maxlen, LPCSTR spec,
336 WPRINTF_FORMAT format;
341 while (*spec && (maxlen > 1))
343 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
345 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
346 spec += WPRINTF_ParseFormatA( spec, &format );
347 len = WPRINTF_GetLen( &format, args, number, maxlen - 1 );
348 if (!(format.flags & WPRINTF_LEFTALIGN))
349 for (i = format.precision; i < format.width; i++, maxlen--)
354 if ((*p = (CHAR)*(WCHAR *)args)) p++;
355 else if (format.width > 1) *p++ = ' ';
359 if ((*p = *(CHAR *)args)) p++;
360 else if (format.width > 1) *p++ = ' ';
364 if (len) memcpy( p, *(LPCSTR *)args, len );
368 for (i = 0; i < len; i++) *p++ = (CHAR)*(*(LPCWSTR *)args + i);
371 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
374 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
377 format.precision -= 2;
383 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
384 if (len) memcpy( p, number, len );
388 if (format.flags & WPRINTF_LEFTALIGN)
389 for (i = format.precision; i < format.width; i++, maxlen--)
391 args = (INT32 *)args + 1;
395 return (maxlen > 1) ? (INT32)(p - buffer) : -1;
399 /***********************************************************************
400 * wvsnprintf32W (Not a Windows API)
402 INT32 WINAPI wvsnprintf32W( LPWSTR buffer, UINT32 maxlen, LPCWSTR spec,
405 WPRINTF_FORMAT format;
410 while (*spec && (maxlen > 1))
412 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
414 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
415 spec += WPRINTF_ParseFormatW( spec, &format );
416 len = WPRINTF_GetLen( &format, args, number, maxlen - 1 );
417 if (!(format.flags & WPRINTF_LEFTALIGN))
418 for (i = format.precision; i < format.width; i++, maxlen--)
423 if ((*p = *(WCHAR *)args)) p++;
424 else if (format.width > 1) *p++ = ' ';
428 if ((*p = (WCHAR)*(CHAR *)args)) p++;
429 else if (format.width > 1) *p++ = ' ';
433 for (i = 0; i < len; i++) *p++ = (WCHAR)*(*(LPCSTR *)args + i);
436 if (len) memcpy( p, *(LPCWSTR *)args, len * sizeof(WCHAR) );
440 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
443 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
446 format.precision -= 2;
452 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
453 for (i = 0; i < len; i++) *p++ = (WCHAR)number[i];
456 if (format.flags & WPRINTF_LEFTALIGN)
457 for (i = format.precision; i < format.width; i++, maxlen--)
459 args = (INT32 *)args + 1;
463 return (maxlen > 1) ? (INT32)(p - buffer) : -1;
467 /***********************************************************************
468 * wvsprintf16 (USER.421)
470 INT16 WINAPI wvsprintf16( LPSTR buffer, LPCSTR spec, LPCVOID args )
472 return wvsnprintf16( buffer, 0xffff, spec, args );
476 /***********************************************************************
477 * wvsprintf32A (USER32.586)
479 INT32 WINAPI wvsprintf32A( LPSTR buffer, LPCSTR spec, LPCVOID args )
481 return wvsnprintf32A( buffer, 0xffffffff, spec, args );
485 /***********************************************************************
486 * wvsprintf32W (USER32.587)
488 INT32 WINAPI wvsprintf32W( LPWSTR buffer, LPCWSTR spec, LPCVOID args )
490 return wvsnprintf32W( buffer, 0xffffffff, spec, args );
494 /***********************************************************************
495 * wsprintf16 (USER.420)
497 /* Winelib version */
498 INT16 WINAPIV wsprintf16( LPSTR buffer, LPCSTR spec, ... )
503 va_start( valist, spec );
504 /* Note: we call the 32-bit version, because the args are 32-bit */
505 res = (INT16)wvsprintf32A( buffer, spec, (LPCVOID)valist );
510 /* Emulator version */
511 INT16 WINAPIV WIN16_wsprintf16(void)
513 SEGPTR *win_stack = (SEGPTR *)CURRENT_STACK16->args;
514 LPSTR buffer = (LPSTR)PTR_SEG_TO_LIN(win_stack[0]);
515 LPCSTR spec = (LPCSTR)PTR_SEG_TO_LIN(win_stack[1]);
516 return wvsprintf16( buffer, spec, &win_stack[2] );
521 /***********************************************************************
522 * wsprintf32A (USER32.584)
524 /* Winelib version */
525 INT32 WINAPIV wsprintf32A( LPSTR buffer, LPCSTR spec, ... )
530 va_start( valist, spec );
531 res = wvsprintf32A( buffer, spec, (LPCVOID)valist );
536 /* Emulator version */
537 INT32 WINAPIV WIN32_wsprintf32A( DWORD *args )
539 return wvsprintf32A( (LPSTR)args[0], (LPCSTR)args[1], (LPCVOID)&args[2] );
543 /***********************************************************************
544 * wsprintf32W (USER32.585)
546 /* Winelib version */
547 INT32 WINAPIV wsprintf32W( LPWSTR buffer, LPCWSTR spec, ... )
552 va_start( valist, spec );
553 res = wvsprintf32W( buffer, spec, (LPCVOID)valist );
558 /* Emulator version */
559 INT32 WINAPIV WIN32_wsprintf32W( DWORD *args )
561 return wvsprintf32W( (LPWSTR)args[0], (LPCWSTR)args[1], (LPCVOID)&args[2]);