4 * Copyright 1996 Alexandre Julliard
10 #include "wine/winbase16.h"
15 #include "stackframe.h"
17 #include "debugtools.h"
19 DEFAULT_DEBUG_CHANNEL(string);
22 #define WPRINTF_LEFTALIGN 0x0001 /* Align output on the left ('-' prefix) */
23 #define WPRINTF_PREFIX_HEX 0x0002 /* Prefix hex with 0x ('#' prefix) */
24 #define WPRINTF_ZEROPAD 0x0004 /* Pad with zeros ('0' prefix) */
25 #define WPRINTF_LONG 0x0008 /* Long arg ('l' prefix) */
26 #define WPRINTF_SHORT 0x0010 /* Short arg ('h' prefix) */
27 #define WPRINTF_UPPER_HEX 0x0020 /* Upper-case hex ('X' specifier) */
28 #define WPRINTF_WIDE 0x0040 /* Wide arg ('w' prefix) */
58 static const CHAR null_stringA[] = "(null)";
59 static const WCHAR null_stringW[] = { '(', 'n', 'u', 'l', 'l', ')', 0 };
61 /***********************************************************************
62 * WPRINTF_ParseFormatA
64 * Parse a format specification. A format specification has the form:
66 * [-][#][0][width][.precision]type
68 * Return value is the length of the format specification in characters.
70 static INT WPRINTF_ParseFormatA( LPCSTR format, WPRINTF_FORMAT *res )
77 if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
78 if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
79 if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
80 while ((*p >= '0') && (*p <= '9')) /* width field */
82 res->width = res->width * 10 + *p - '0';
85 if (*p == '.') /* precision field */
88 while ((*p >= '0') && (*p <= '9'))
90 res->precision = res->precision * 10 + *p - '0';
94 if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
95 else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
96 else if (*p == 'w') { res->flags |= WPRINTF_WIDE; p++; }
100 res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
103 res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
107 res->type = WPR_SIGNED;
110 res->type = (res->flags & (WPRINTF_LONG |WPRINTF_WIDE)) ? WPR_WSTRING : WPR_STRING;
113 res->type = (res->flags & (WPRINTF_SHORT|WPRINTF_WIDE)) ? WPR_STRING : WPR_WSTRING;
116 res->type = WPR_UNSIGNED;
119 res->flags |= WPRINTF_UPPER_HEX;
122 res->type = WPR_HEXA;
124 default: /* unknown format char */
125 res->type = WPR_UNKNOWN;
126 p--; /* print format as normal char */
129 return (INT)(p - format) + 1;
133 /***********************************************************************
134 * WPRINTF_ParseFormatW
136 * Parse a format specification. A format specification has the form:
138 * [-][#][0][width][.precision]type
140 * Return value is the length of the format specification in characters.
142 static INT WPRINTF_ParseFormatW( LPCWSTR format, WPRINTF_FORMAT *res )
149 if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
150 if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
151 if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
152 while ((*p >= '0') && (*p <= '9')) /* width field */
154 res->width = res->width * 10 + *p - '0';
157 if (*p == '.') /* precision field */
160 while ((*p >= '0') && (*p <= '9'))
162 res->precision = res->precision * 10 + *p - '0';
166 if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
167 else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
168 else if (*p == 'w') { res->flags |= WPRINTF_WIDE; p++; }
172 res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
175 res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
179 res->type = WPR_SIGNED;
182 res->type = ((res->flags & WPRINTF_SHORT) && !(res->flags & WPRINTF_WIDE)) ? WPR_STRING : WPR_WSTRING;
185 res->type = (res->flags & (WPRINTF_LONG|WPRINTF_WIDE)) ? WPR_WSTRING : WPR_STRING;
188 res->type = WPR_UNSIGNED;
191 res->flags |= WPRINTF_UPPER_HEX;
194 res->type = WPR_HEXA;
197 res->type = WPR_UNKNOWN;
198 p--; /* print format as normal char */
201 return (INT)(p - format) + 1;
205 /***********************************************************************
208 static UINT WPRINTF_GetLen( WPRINTF_FORMAT *format, WPRINTF_DATA *arg,
209 LPSTR number, UINT maxlen )
213 if (format->flags & WPRINTF_LEFTALIGN) format->flags &= ~WPRINTF_ZEROPAD;
214 if (format->width > maxlen) format->width = maxlen;
219 return (format->precision = 1);
221 if (!arg->lpcstr_view) arg->lpcstr_view = null_stringA;
222 for (len = 0; !format->precision || (len < format->precision); len++)
223 if (!*(arg->lpcstr_view + len)) break;
224 if (len > maxlen) len = maxlen;
225 return (format->precision = len);
227 if (!arg->lpcwstr_view) arg->lpcwstr_view = null_stringW;
228 for (len = 0; !format->precision || (len < format->precision); len++)
229 if (!*(arg->lpcwstr_view + len)) break;
230 if (len > maxlen) len = maxlen;
231 return (format->precision = len);
233 len = sprintf( number, "%d", arg->int_view );
236 len = sprintf( number, "%u", (UINT)arg->int_view );
239 len = sprintf( number,
240 (format->flags & WPRINTF_UPPER_HEX) ? "%X" : "%x",
241 (UINT)arg->int_view);
246 if (len > maxlen) len = maxlen;
247 if (format->precision < len) format->precision = len;
248 if (format->precision > maxlen) format->precision = maxlen;
249 if ((format->flags & WPRINTF_ZEROPAD) && (format->width > format->precision))
250 format->precision = format->width;
251 if (format->flags & WPRINTF_PREFIX_HEX) len += 2;
255 /***********************************************************************
256 * WPRINTF_ExtractVAPtr
258 static WPRINTF_DATA WPRINTF_ExtractVAPtr( WPRINTF_FORMAT *format, va_list* args )
264 result.wchar_view = (WCHAR)va_arg( *args, int );break;
266 result.char_view = (CHAR)va_arg( *args, int ); break;
268 result.lpcstr_view = va_arg( *args, LPCSTR); break;
270 result.lpcwstr_view = va_arg( *args, LPCWSTR); break;
274 result.int_view = va_arg( *args, INT ); break;
276 result.wchar_view = 0; break;
281 /***********************************************************************
282 * wvsnprintf16 (Not a Windows API)
284 static INT16 wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec,
287 WPRINTF_FORMAT format;
291 WPRINTF_DATA cur_arg;
294 while (*spec && (maxlen > 1))
296 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
298 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
299 spec += WPRINTF_ParseFormatA( spec, &format );
302 case WPR_WCHAR: /* No Unicode in Win16 */
304 cur_arg.char_view = VA_ARG16( args, CHAR );
306 case WPR_WSTRING: /* No Unicode in Win16 */
308 seg_str = VA_ARG16( args, SEGPTR );
309 if (IsBadReadPtr16(seg_str, 1 )) cur_arg.lpcstr_view = "";
310 else cur_arg.lpcstr_view = PTR_SEG_TO_LIN( seg_str );
313 if (!(format.flags & WPRINTF_LONG))
315 cur_arg.int_view = VA_ARG16( args, INT16 );
321 if (format.flags & WPRINTF_LONG)
322 cur_arg.int_view = VA_ARG16( args, UINT );
324 cur_arg.int_view = VA_ARG16( args, UINT16 );
329 len = WPRINTF_GetLen( &format, &cur_arg, number, maxlen - 1 );
330 if (!(format.flags & WPRINTF_LEFTALIGN))
331 for (i = format.precision; i < format.width; i++, maxlen--)
335 case WPR_WCHAR: /* No Unicode in Win16 */
337 *p= cur_arg.char_view;
339 else if (format.width > 1) *p++ = ' ';
342 case WPR_WSTRING: /* No Unicode in Win16 */
344 if (len) memcpy( p, cur_arg.lpcstr_view, len );
348 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
351 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
358 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
359 if (len) memcpy( p, number, len );
365 if (format.flags & WPRINTF_LEFTALIGN)
366 for (i = format.precision; i < format.width; i++, maxlen--)
371 return (maxlen > 1) ? (INT)(p - buffer) : -1;
375 /***********************************************************************
376 * wvsnprintfA (Not a Windows API, but we export it from USER32 anyway)
378 INT WINAPI wvsnprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec, va_list args )
380 WPRINTF_FORMAT format;
384 WPRINTF_DATA argData;
386 TRACE("%p %u %s\n", buffer, maxlen, debugstr_a(spec));
388 while (*spec && (maxlen > 1))
390 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
392 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
393 spec += WPRINTF_ParseFormatA( spec, &format );
394 argData = WPRINTF_ExtractVAPtr( &format, &args );
395 len = WPRINTF_GetLen( &format, &argData, number, maxlen - 1 );
396 if (!(format.flags & WPRINTF_LEFTALIGN))
397 for (i = format.precision; i < format.width; i++, maxlen--)
402 *p = argData.wchar_view;
404 else if (format.width > 1) *p++ = ' ';
408 *p = argData.char_view;
410 else if (format.width > 1) *p++ = ' ';
414 memcpy( p, argData.lpcstr_view, len );
419 LPCWSTR ptr = argData.lpcwstr_view;
420 for (i = 0; i < len; i++) *p++ = (CHAR)*ptr++;
424 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
427 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
434 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
435 memcpy( p, number, len );
441 if (format.flags & WPRINTF_LEFTALIGN)
442 for (i = format.precision; i < format.width; i++, maxlen--)
447 TRACE("%s\n",debugstr_a(buffer));
448 return (maxlen > 1) ? (INT)(p - buffer) : -1;
452 /***********************************************************************
453 * wvsnprintfW (Not a Windows API, but we export it from USER32 anyway)
455 INT WINAPI wvsnprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec, va_list args )
457 WPRINTF_FORMAT format;
461 WPRINTF_DATA argData;
463 TRACE("%p %u %s\n", buffer, maxlen, debugstr_w(spec));
465 while (*spec && (maxlen > 1))
467 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
469 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
470 spec += WPRINTF_ParseFormatW( spec, &format );
471 argData = WPRINTF_ExtractVAPtr( &format, &args );
472 len = WPRINTF_GetLen( &format, &argData, number, maxlen - 1 );
473 if (!(format.flags & WPRINTF_LEFTALIGN))
474 for (i = format.precision; i < format.width; i++, maxlen--)
479 *p = argData.wchar_view;
481 else if (format.width > 1) *p++ = ' ';
485 *p = argData.char_view;
487 else if (format.width > 1) *p++ = ' ';
492 LPCSTR ptr = argData.lpcstr_view;
493 for (i = 0; i < len; i++) *p++ = (WCHAR)*ptr++;
497 if (len) memcpy( p, argData.lpcwstr_view, len * sizeof(WCHAR) );
501 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
504 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
511 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
512 for (i = 0; i < len; i++) *p++ = (WCHAR)number[i];
517 if (format.flags & WPRINTF_LEFTALIGN)
518 for (i = format.precision; i < format.width; i++, maxlen--)
523 TRACE("%s\n",debugstr_w(buffer));
524 return (maxlen > 1) ? (INT)(p - buffer) : -1;
528 /***********************************************************************
529 * wvsprintf16 (USER.421)
531 INT16 WINAPI wvsprintf16( LPSTR buffer, LPCSTR spec, LPCVOID args )
535 TRACE("for %p got:\n",buffer);
536 res = wvsnprintf16( buffer, 1024, spec, args );
537 return ( res == -1 ) ? 1024 : res;
541 /***********************************************************************
542 * wvsprintfA (USER32.587)
544 INT WINAPI wvsprintfA( LPSTR buffer, LPCSTR spec, va_list args )
546 INT res = wvsnprintfA( buffer, 1024, spec, args );
547 return ( res == -1 ) ? 1024 : res;
551 /***********************************************************************
552 * wvsprintfW (USER32.588)
554 INT WINAPI wvsprintfW( LPWSTR buffer, LPCWSTR spec, va_list args )
556 INT res = wvsnprintfW( buffer, 1024, spec, args );
557 return ( res == -1 ) ? 1024 : res;
561 /***********************************************************************
562 * wsprintf16 (USER.420)
564 INT16 WINAPIV wsprintf16(void)
570 VA_START16( valist );
571 buffer = VA_ARG16( valist, SEGPTR );
572 spec = VA_ARG16( valist, SEGPTR );
573 res = wvsnprintf16( (LPSTR)PTR_SEG_TO_LIN(buffer), 1024,
574 (LPCSTR)PTR_SEG_TO_LIN(spec), valist );
576 return ( res == -1 ) ? 1024 : res;
580 /***********************************************************************
581 * wsprintfA (USER32.585)
583 INT WINAPIV wsprintfA( LPSTR buffer, LPCSTR spec, ... )
588 va_start( valist, spec );
589 res = wvsnprintfA( buffer, 1024, spec, valist );
591 return ( res == -1 ) ? 1024 : res;
595 /***********************************************************************
596 * wsprintfW (USER32.586)
598 INT WINAPIV wsprintfW( LPWSTR buffer, LPCWSTR spec, ... )
603 va_start( valist, spec );
604 res = wvsnprintfW( buffer, 1024, spec, valist );
606 return ( res == -1 ) ? 1024 : res;