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 wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec, LPCVOID args )
235 WPRINTF_FORMAT format;
241 while (*spec && (maxlen > 1))
243 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
245 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
246 spec += WPRINTF_ParseFormatA( spec, &format );
250 cur_arg = (DWORD)*(CHAR *)args;
251 args = (WORD *)args + 1;
254 cur_arg = (DWORD)PTR_SEG_TO_LIN( *(SEGPTR *)args );
255 args = (SEGPTR *)args + 1;
260 if (format.flags & WPRINTF_LONG)
262 cur_arg = (DWORD)*(UINT32 *)args;
263 args = (UINT32 *)args + 1;
267 cur_arg = (DWORD)*(UINT16 *)args;
268 args = (UINT16 *)args + 1;
273 fprintf( stderr, "Unicode not supported in wsprintf16\n" );
276 len = WPRINTF_GetLen( &format, &cur_arg, number, maxlen - 1 );
277 if (!(format.flags & WPRINTF_LEFTALIGN))
278 for (i = format.precision; i < format.width; i++, maxlen--)
283 if ((*p = (CHAR)cur_arg)) p++;
284 else if (format.width > 1) *p++ = ' ';
288 if (len) memcpy( p, (LPCSTR)cur_arg, len );
292 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
295 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
298 format.precision -= 2;
304 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
305 if (len) memcpy( p, number, len );
310 fprintf( stderr, "Unicode not supported in wsprintf16\n" );
313 if (format.flags & WPRINTF_LEFTALIGN)
314 for (i = format.precision; i < format.width; i++, maxlen--)
319 return (maxlen > 1) ? (INT32)(p - buffer) : -1;
323 /***********************************************************************
324 * wvsnprintf32A (Not a Windows API)
326 INT32 wvsnprintf32A( LPSTR buffer, UINT32 maxlen, LPCSTR spec, LPCVOID args )
328 WPRINTF_FORMAT format;
333 while (*spec && (maxlen > 1))
335 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
337 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
338 spec += WPRINTF_ParseFormatA( spec, &format );
339 len = WPRINTF_GetLen( &format, args, number, maxlen - 1 );
340 if (!(format.flags & WPRINTF_LEFTALIGN))
341 for (i = format.precision; i < format.width; i++, maxlen--)
346 if ((*p = (CHAR)*(WCHAR *)args)) p++;
347 else if (format.width > 1) *p++ = ' ';
351 if ((*p = *(CHAR *)args)) p++;
352 else if (format.width > 1) *p++ = ' ';
356 if (len) memcpy( p, *(LPCSTR *)args, len );
360 for (i = 0; i < len; i++) *p++ = (CHAR)*(*(LPCWSTR *)args + i);
363 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
366 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
369 format.precision -= 2;
375 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
376 if (len) memcpy( p, number, len );
380 if (format.flags & WPRINTF_LEFTALIGN)
381 for (i = format.precision; i < format.width; i++, maxlen--)
383 args = (INT32 *)args + 1;
387 return (maxlen > 1) ? (INT32)(p - buffer) : -1;
391 /***********************************************************************
392 * wvsnprintf32W (Not a Windows API)
394 INT32 wvsnprintf32W( LPWSTR buffer, UINT32 maxlen, LPCWSTR spec, LPCVOID args )
396 WPRINTF_FORMAT format;
401 while (*spec && (maxlen > 1))
403 if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
405 if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
406 spec += WPRINTF_ParseFormatW( spec, &format );
407 len = WPRINTF_GetLen( &format, args, number, maxlen - 1 );
408 if (!(format.flags & WPRINTF_LEFTALIGN))
409 for (i = format.precision; i < format.width; i++, maxlen--)
414 if ((*p = *(WCHAR *)args)) p++;
415 else if (format.width > 1) *p++ = ' ';
419 if ((*p = (WCHAR)*(CHAR *)args)) p++;
420 else if (format.width > 1) *p++ = ' ';
424 for (i = 0; i < len; i++) *p++ = (WCHAR)*(*(LPCSTR *)args + i);
427 if (len) memcpy( p, *(LPCWSTR *)args, len * sizeof(WCHAR) );
431 if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
434 *p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
437 format.precision -= 2;
443 for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
444 for (i = 0; i < len; i++) *p++ = (WCHAR)number[i];
447 if (format.flags & WPRINTF_LEFTALIGN)
448 for (i = format.precision; i < format.width; i++, maxlen--)
450 args = (INT32 *)args + 1;
454 return (maxlen > 1) ? (INT32)(p - buffer) : -1;
458 /***********************************************************************
459 * wvsprintf16 (USER.421)
461 INT16 wvsprintf16( LPSTR buffer, LPCSTR spec, LPCVOID args )
463 return wvsnprintf16( buffer, 0xffff, spec, args );
467 /***********************************************************************
468 * wvsprintf32A (USER32.586)
470 INT32 wvsprintf32A( LPSTR buffer, LPCSTR spec, LPCVOID args )
472 return wvsnprintf32A( buffer, 0xffffffff, spec, args );
476 /***********************************************************************
477 * wvsprintf32W (USER32.587)
479 INT32 wvsprintf32W( LPWSTR buffer, LPCWSTR spec, LPCVOID args )
481 return wvsnprintf32W( buffer, 0xffffffff, spec, args );
485 /***********************************************************************
486 * wsprintf16 (USER.420)
488 /* Winelib version */
489 INT16 wsprintf16( LPSTR buffer, LPCSTR spec, ... )
494 va_start( valist, spec );
495 /* Note: we call the 32-bit version, because the args are 32-bit */
496 res = (INT16)wvsprintf32A( buffer, spec, (LPCVOID)valist );
501 /* Emulator version */
503 INT16 WIN16_wsprintf16(void)
505 SEGPTR *win_stack = (DWORD *)CURRENT_STACK16->args;
506 LPSTR buffer = (LPSTR)PTR_SEG_TO_LIN(win_stack[0]);
507 LPCSTR spec = (LPCSTR)PTR_SEG_TO_LIN(win_stack[1]);
508 return wvsprintf16( buffer, spec, &win_stack[2] );
514 /***********************************************************************
515 * wsprintf32A (USER32.584)
517 /* Winelib version */
518 INT32 wsprintf32A( LPSTR buffer, LPCSTR spec, ... )
523 va_start( valist, spec );
524 res = wvsprintf32A( buffer, spec, (LPCVOID)valist );
529 /* Emulator version */
530 INT32 WIN32_wsprintf32A( int *args )
532 return wvsprintf32A( (LPSTR)args[0], (LPCSTR)args[1], (LPCVOID)&args[2] );
536 /***********************************************************************
537 * wsprintf32W (USER32.585)
539 /* Winelib version */
540 INT32 wsprintf32W( LPWSTR buffer, LPCWSTR spec, ... )
545 va_start( valist, spec );
546 res = wvsprintf32W( buffer, spec, (LPCVOID)valist );
551 /* Emulator version */
552 INT32 WIN32_wsprintf32W( int *args )
554 return wvsprintf32W( (LPWSTR)args[0], (LPCWSTR)args[1], (LPCVOID)&args[2]);