4 * Copyright 1996 Alexandre Julliard
9 #include "wine/winbase16.h"
12 #include "stackframe.h"
15 DEFAULT_DEBUG_CHANNEL(string)
18 #define WPRINTF_LEFTALIGN 0x0001 /* Align output on the left ('-' prefix) */
19 #define WPRINTF_PREFIX_HEX 0x0002 /* Prefix hex with 0x ('#' prefix) */
20 #define WPRINTF_ZEROPAD 0x0004 /* Pad with zeros ('0' prefix) */
21 #define WPRINTF_LONG 0x0008 /* Long arg ('l' prefix) */
22 #define WPRINTF_SHORT 0x0010 /* Short arg ('h' prefix) */
23 #define WPRINTF_UPPER_HEX 0x0020 /* Upper-case hex ('X' specifier) */
24 #define WPRINTF_WIDE 0x0040 /* Wide arg ('w' prefix) */
54 static const CHAR null_stringA[] = "(null)";
55 static const WCHAR null_stringW[] = { '(', 'n', 'u', 'l', 'l', ')', 0 };
57 /***********************************************************************
58 * WPRINTF_ParseFormatA
60 * Parse a format specification. A format specification has the form:
62 * [-][#][0][width][.precision]type
64 * Return value is the length of the format specification in characters.
66 static INT WPRINTF_ParseFormatA( LPCSTR format, WPRINTF_FORMAT *res )
73 if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
74 if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
75 if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
76 while ((*p >= '0') && (*p <= '9')) /* width field */
78 res->width = res->width * 10 + *p - '0';
81 if (*p == '.') /* precision field */
84 while ((*p >= '0') && (*p <= '9'))
86 res->precision = res->precision * 10 + *p - '0';
90 if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
91 else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
92 else if (*p == 'w') { res->flags |= WPRINTF_WIDE; p++; }
96 res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
99 res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
103 res->type = WPR_SIGNED;
106 res->type = (res->flags & (WPRINTF_LONG |WPRINTF_WIDE))
107 ? WPR_WSTRING : WPR_STRING;
110 res->type = (res->flags & (WPRINTF_SHORT|WPRINTF_WIDE))
111 ? WPR_STRING : WPR_WSTRING;
114 res->type = WPR_UNSIGNED;
117 res->flags |= WPRINTF_UPPER_HEX;
120 res->type = WPR_HEXA;
122 default: /* unknown format char */
123 res->type = WPR_UNKNOWN;
124 p--; /* print format as normal char */
127 return (INT)(p - format) + 1;
131 /***********************************************************************
132 * WPRINTF_ParseFormatW
134 * Parse a format specification. A format specification has the form:
136 * [-][#][0][width][.precision]type
138 * Return value is the length of the format specification in characters.
140 static INT WPRINTF_ParseFormatW( LPCWSTR format, WPRINTF_FORMAT *res )
147 if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
148 if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
149 if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
150 while ((*p >= '0') && (*p <= '9')) /* width field */
152 res->width = res->width * 10 + *p - '0';
155 if (*p == '.') /* precision field */
158 while ((*p >= '0') && (*p <= '9'))
160 res->precision = res->precision * 10 + *p - '0';
164 if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
165 else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
166 else if (*p == 'w') { res->flags |= WPRINTF_WIDE; p++; }
170 res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
173 res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
177 res->type = WPR_SIGNED;
180 res->type = ((res->flags & WPRINTF_SHORT) && !(res->flags & WPRINTF_WIDE)) ? WPR_STRING : WPR_WSTRING;
183 res->type = (res->flags & (WPRINTF_LONG|WPRINTF_WIDE)) ? WPR_WSTRING : WPR_STRING;
186 res->type = WPR_UNSIGNED;
189 res->flags |= WPRINTF_UPPER_HEX;
192 res->type = WPR_HEXA;
195 res->type = WPR_UNKNOWN;
196 p--; /* print format as normal char */
199 return (INT)(p - format) + 1;
203 /***********************************************************************
206 static UINT WPRINTF_GetLen( WPRINTF_FORMAT *format, WPRINTF_DATA *arg,
207 LPSTR number, UINT maxlen )
211 if (format->flags & WPRINTF_LEFTALIGN) format->flags &= ~WPRINTF_ZEROPAD;
212 if (format->width > maxlen) format->width = maxlen;
217 return (format->precision = 1);
219 if (!arg->lpcstr_view) arg->lpcstr_view = null_stringA;
220 for (len = 0; !format->precision || (len < format->precision); len++)
221 if (!*(arg->lpcstr_view + len)) break;
222 if (len > maxlen) len = maxlen;
223 return (format->precision = len);
225 if (!arg->lpcwstr_view) arg->lpcwstr_view = null_stringW;
226 for (len = 0; !format->precision || (len < format->precision); len++)
227 if (!*(arg->lpcwstr_view + len)) break;
228 if (len > maxlen) len = maxlen;
229 return (format->precision = len);
231 len = sprintf( number, "%d", arg->int_view );
234 len = sprintf( number, "%u", (UINT)arg->int_view );
237 len = sprintf( number,
238 (format->flags & WPRINTF_UPPER_HEX) ? "%X" : "%x",
239 (UINT)arg->int_view);
240 if (format->flags & WPRINTF_PREFIX_HEX) len += 2;
245 if (len > maxlen) len = maxlen;
246 if (format->precision < len) format->precision = len;
247 if (format->precision > maxlen) format->precision = maxlen;
248 if ((format->flags & WPRINTF_ZEROPAD) && (format->width > format->precision))
249 format->precision = format->width;
253 /***********************************************************************
254 * WPRINTF_ExtractVAPtr (Not a Windows API)
256 static WPRINTF_DATA WPRINTF_ExtractVAPtr( WPRINTF_FORMAT *format, va_list* args )
262 result.wchar_view = va_arg( *args, WCHAR ); break;
264 result.char_view = va_arg( *args, CHAR ); break;
266 result.lpcstr_view = va_arg( *args, LPCSTR); break;
268 result.lpcwstr_view = va_arg( *args, LPCWSTR); break;
272 result.int_view = va_arg( *args, INT ); break;
274 result.wchar_view = 0; break;
279 /***********************************************************************
280 * wvsnprintf16 (Not a Windows API)
282 INT16 WINAPI wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec,
285 WPRINTF_FORMAT format;
289 WPRINTF_DATA cur_arg;
292 while (*spec && (maxlen > 1))
294 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
296 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
297 spec += WPRINTF_ParseFormatA( spec, &format );
300 case WPR_WCHAR: /* No Unicode in Win16 */
302 cur_arg.char_view = VA_ARG16( args, CHAR );
304 case WPR_WSTRING: /* No Unicode in Win16 */
306 seg_str = VA_ARG16( args, SEGPTR );
307 if (IsBadReadPtr16(seg_str, 1 )) cur_arg.lpcstr_view = "";
308 else cur_arg.lpcstr_view = PTR_SEG_TO_LIN( seg_str );
311 if (!(format.flags & WPRINTF_LONG))
313 cur_arg.int_view = VA_ARG16( args, INT16 );
319 if (format.flags & WPRINTF_LONG)
320 cur_arg.int_view = VA_ARG16( args, UINT );
322 cur_arg.int_view = VA_ARG16( args, UINT16 );
327 len = WPRINTF_GetLen( &format, &cur_arg, number, maxlen - 1 );
328 if (!(format.flags & WPRINTF_LEFTALIGN))
329 for (i = format.precision; i < format.width; i++, maxlen--)
333 case WPR_WCHAR: /* No Unicode in Win16 */
335 *p= cur_arg.char_view;
337 else if (format.width > 1) *p++ = ' ';
340 case WPR_WSTRING: /* No Unicode in Win16 */
342 if (len) memcpy( p, cur_arg.lpcstr_view, len );
346 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
349 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
352 format.precision -= 2;
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)
378 INT WINAPI wvsnprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec,
381 WPRINTF_FORMAT format;
385 WPRINTF_DATA argData = (WPRINTF_DATA)0;
387 while (*spec && (maxlen > 1))
389 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
391 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
392 spec += WPRINTF_ParseFormatA( spec, &format );
393 argData = WPRINTF_ExtractVAPtr( &format, &args );
394 len = WPRINTF_GetLen( &format, &argData, number, maxlen - 1 );
395 if (!(format.flags & WPRINTF_LEFTALIGN))
396 for (i = format.precision; i < format.width; i++, maxlen--)
401 *p = argData.wchar_view;
403 else if (format.width > 1) *p++ = ' ';
407 *p = argData.char_view;
409 else if (format.width > 1) *p++ = ' ';
413 memcpy( p, argData.lpcstr_view, len );
418 LPCWSTR ptr = argData.lpcwstr_view;
419 for (i = 0; i < len; i++) *p++ = (CHAR)*ptr++;
423 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
426 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
429 format.precision -= 2;
435 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
436 memcpy( p, number, len );
438 /* Go to the next arg */
443 if (format.flags & WPRINTF_LEFTALIGN)
444 for (i = format.precision; i < format.width; i++, maxlen--)
449 TRACE(string,"%s\n",buffer);
450 return (maxlen > 1) ? (INT)(p - buffer) : -1;
454 /***********************************************************************
455 * wvsnprintfW (Not a Windows API)
457 INT WINAPI wvsnprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec,
460 WPRINTF_FORMAT format;
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 len = WPRINTF_GetLen( &format, args, number, maxlen - 1 );
472 if (!(format.flags & WPRINTF_LEFTALIGN))
473 for (i = format.precision; i < format.width; i++, maxlen--)
478 *p = va_arg( args, WCHAR );
480 else if (format.width > 1) *p++ = ' ';
484 *p = (WCHAR)va_arg( args, CHAR );
486 else if (format.width > 1) *p++ = ' ';
491 LPCSTR ptr = va_arg( args, LPCSTR );
492 for (i = 0; i < len; i++) *p++ = (WCHAR)*ptr++;
496 if (len) memcpy( p, va_arg( args, LPCWSTR ), len * sizeof(WCHAR) );
500 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
503 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
506 format.precision -= 2;
512 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
513 for (i = 0; i < len; i++) *p++ = (WCHAR)number[i];
514 (void)va_arg( args, INT ); /* Go to the next arg */
519 if (format.flags & WPRINTF_LEFTALIGN)
520 for (i = format.precision; i < format.width; i++, maxlen--)
525 return (maxlen > 1) ? (INT)(p - buffer) : -1;
529 /***********************************************************************
530 * wvsprintf16 (USER.421)
532 INT16 WINAPI wvsprintf16( LPSTR buffer, LPCSTR spec, LPCVOID args )
534 TRACE(string,"for %p got:\n",buffer);
535 return wvsnprintf16( buffer, 0xffff, spec, args );
539 /***********************************************************************
540 * wvsprintfA (USER32.587)
542 INT WINAPI wvsprintfA( LPSTR buffer, LPCSTR spec, va_list args )
544 TRACE(string,"for %p got:\n",buffer);
545 return wvsnprintfA( buffer, 0xffffffff, spec, args );
549 /***********************************************************************
550 * wvsprintfW (USER32.588)
552 INT WINAPI wvsprintfW( LPWSTR buffer, LPCWSTR spec, va_list args )
554 TRACE(string,"for %p got:\n",buffer);
555 return wvsnprintfW( buffer, 0xffffffff, spec, args );
559 /***********************************************************************
560 * wsprintf16 (USER.420)
562 /* Winelib version */
563 INT16 WINAPIV wsprintf16( LPSTR buffer, LPCSTR spec, ... )
568 TRACE(string,"for %p got:\n",buffer);
569 va_start( valist, spec );
570 /* Note: we call the 32-bit version, because the args are 32-bit */
571 res = (INT16)wvsnprintfA( buffer, 0xffffffff, spec, valist );
576 /* Emulator version */
577 INT16 WINAPIV WIN16_wsprintf16(void)
583 VA_START16( valist );
584 buffer = VA_ARG16( valist, SEGPTR );
585 spec = VA_ARG16( valist, SEGPTR );
586 TRACE(string,"got:\n");
587 res = wvsnprintf16( (LPSTR)PTR_SEG_TO_LIN(buffer), 0xffff,
588 (LPCSTR)PTR_SEG_TO_LIN(spec), valist );
594 /***********************************************************************
595 * wsprintfA (USER32.585)
597 INT WINAPIV wsprintfA( LPSTR buffer, LPCSTR spec, ... )
602 TRACE(string,"for %p got:\n",buffer);
603 va_start( valist, spec );
604 res = wvsnprintfA( buffer, 0xffffffff, spec, valist );
610 /***********************************************************************
611 * wsprintfW (USER32.586)
613 INT WINAPIV wsprintfW( LPWSTR buffer, LPCWSTR spec, ... )
618 TRACE(string,"wsprintfW for %p\n",buffer);
619 va_start( valist, spec );
620 res = wvsnprintfW( buffer, 0xffffffff, spec, valist );
626 /***********************************************************************
627 * wsnprintf16 (Not a Windows API)
629 INT16 WINAPIV wsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec, ... )
634 va_start( valist, spec );
635 res = wvsnprintf16( buffer, maxlen, spec, valist );
641 /***********************************************************************
642 * wsnprintfA (Not a Windows API)
644 INT WINAPIV wsnprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec, ... )
649 va_start( valist, spec );
650 res = wvsnprintfA( buffer, maxlen, spec, valist );
656 /***********************************************************************
657 * wsnprintfW (Not a Windows API)
659 INT WINAPIV wsnprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec, ... )
664 va_start( valist, spec );
665 res = wvsnprintfW( buffer, maxlen, spec, valist );