2 * Copyright 2011 Piotr Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #define APICHAR MSVCRT_wchar_t
22 #define FUNC_NAME(func) func ## _w
25 #define CONVCHAR MSVCRT_wchar_t
26 #define FUNC_NAME(func) func ## _a
29 typedef struct FUNC_NAME(pf_flags_t)
31 APICHAR Sign, LeftAlign, Alternate, PadZero;
32 int FieldLength, Precision;
33 APICHAR IntegerLength, IntegerDouble;
36 } FUNC_NAME(pf_flags);
38 struct FUNC_NAME(_str_ctx) {
43 static int FUNC_NAME(puts_clbk_str)(void *ctx, int len, const APICHAR *str)
45 struct FUNC_NAME(_str_ctx) *out = ctx;
51 memcpy(out->buf, str, out->len);
57 memcpy(out->buf, str, len*sizeof(APICHAR));
63 static inline const APICHAR* FUNC_NAME(pf_parse_int)(const APICHAR *fmt, int *val)
67 while(isdigit(*fmt)) {
75 /* pf_fill: takes care of signs, alignment, zero and field padding */
76 static inline int FUNC_NAME(pf_fill)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
77 int len, FUNC_NAME(pf_flags) *flags, BOOL left)
79 int i, r = 0, written;
81 if(flags->Sign && !strchr("diaeEfgG", flags->Format))
84 if(left && flags->Sign) {
87 r = pf_puts(puts_ctx, 1, &flags->Sign);
91 if((!left && flags->LeftAlign) || (left && !flags->LeftAlign)) {
94 if(left && flags->PadZero)
99 for(i=0; i<flags->FieldLength-len && r>=0; i++) {
100 r = pf_puts(puts_ctx, 1, &ch);
106 if(r>=0 && left && flags->Sign && !flags->PadZero) {
107 r = pf_puts(puts_ctx, 1, &flags->Sign);
111 return r>=0 ? written : r;
114 static inline int FUNC_NAME(pf_output_wstr)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
115 const MSVCRT_wchar_t *str, int len, MSVCRT_pthreadlocinfo locinfo)
118 return pf_puts(puts_ctx, len, str);
121 int len_a = WideCharToMultiByte(locinfo->lc_codepage, 0, str, len, NULL, 0, NULL, NULL);
123 out = HeapAlloc(GetProcessHeap(), 0, len_a);
127 WideCharToMultiByte(locinfo->lc_codepage, 0, str, len, out, len_a, NULL, NULL);
128 len = pf_puts(puts_ctx, len_a, out);
129 HeapFree(GetProcessHeap(), 0, out);
134 static inline int FUNC_NAME(pf_output_str)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
135 const char *str, int len, MSVCRT_pthreadlocinfo locinfo)
139 int len_w = MultiByteToWideChar(locinfo->lc_codepage, 0, str, len, NULL, 0);
141 out = HeapAlloc(GetProcessHeap(), 0, len_w*sizeof(WCHAR));
145 MultiByteToWideChar(locinfo->lc_codepage, 0, str, len, out, len_w);
146 len = pf_puts(puts_ctx, len_w, out);
147 HeapFree(GetProcessHeap(), 0, out);
150 return pf_puts(puts_ctx, len, str);
154 static inline int FUNC_NAME(pf_output_format_wstr)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
155 const MSVCRT_wchar_t *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo)
162 if(flags->Precision>=0 && flags->Precision<len)
163 len = flags->Precision;
165 r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, TRUE);
168 r = FUNC_NAME(pf_output_wstr)(pf_puts, puts_ctx, str, len, locinfo);
172 r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, FALSE);
176 return r>=0 ? ret : r;
179 static inline int FUNC_NAME(pf_output_format_str)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
180 const char *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo)
187 if(flags->Precision>=0 && flags->Precision<len)
188 len = flags->Precision;
190 r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, TRUE);
193 r = FUNC_NAME(pf_output_str)(pf_puts, puts_ctx, str, len, locinfo);
197 r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, FALSE);
201 return r>=0 ? ret : r;
204 static inline int FUNC_NAME(pf_handle_string)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
205 const void *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo)
208 static const MSVCRT_wchar_t nullW[] = {'(','n','u','l','l',')',0};
211 return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, nullW, 6, flags, locinfo);
214 return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, "(null)", 6, flags, locinfo);
217 if(flags->WideString || flags->IntegerLength=='l')
218 return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, str, len, flags, locinfo);
219 if(flags->IntegerLength == 'h')
220 return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, str, len, flags, locinfo);
222 if((flags->Format=='S' || flags->Format=='C') == (sizeof(APICHAR)==sizeof(MSVCRT_wchar_t)))
223 return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, str, len, flags, locinfo);
225 return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, str, len, flags, locinfo);
228 static inline void FUNC_NAME(pf_rebuild_format_string)(char *p, FUNC_NAME(pf_flags) *flags)
232 *p++ = flags->Alternate;
233 if(flags->Precision >= 0) {
234 sprintf(p, ".%d", flags->Precision);
237 *p++ = flags->Format;
241 /* pf_integer_conv: prints x to buf, including alternate formats and
242 additional precision digits, but not field characters or the sign */
243 static inline void FUNC_NAME(pf_integer_conv)(APICHAR *buf, int buf_len,
244 FUNC_NAME(pf_flags) *flags, LONGLONG x)
250 if(flags->Format == 'o')
252 else if(flags->Format=='x' || flags->Format=='X')
257 if(flags->Format == 'X')
258 digits = "0123456789ABCDEFX";
260 digits = "0123456789abcdefx";
262 if(x<0 && (flags->Format=='d' || flags->Format=='i')) {
268 if(x==0 && flags->Precision)
272 j = (ULONGLONG)x%base;
273 x = (ULONGLONG)x/base;
274 buf[i++] = digits[j];
277 k = flags->Precision-i;
280 if(flags->Alternate) {
282 buf[i++] = digits[16];
284 } else if(base==8 && buf[i-1]!='0')
288 /* Adjust precision so pf_fill won't truncate the number later */
289 flags->Precision = i;
294 APICHAR tmp = buf[j];
301 static inline void FUNC_NAME(pf_fixup_exponent)(char *buf)
305 while(tmp[0] && toupper(tmp[0])!='E')
308 if(tmp[0] && (tmp[1]=='+' || tmp[1]=='-') &&
309 isdigit(tmp[2]) && isdigit(tmp[3])) {
313 return; /* Exponent already 3 digits */
324 memmove(buf, buf + 1, (tmp - buf) + 3);
329 int FUNC_NAME(pf_printf)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx, const APICHAR *fmt,
330 MSVCRT__locale_t locale, BOOL positional_params, BOOL invoke_invalid_param_handler,
331 args_clbk pf_args, void *args_ctx, __ms_va_list *valist)
333 MSVCRT_pthreadlocinfo locinfo;
334 const APICHAR *q, *p = fmt;
336 int written = 0, pos, i;
337 FUNC_NAME(pf_flags) flags;
339 TRACE("Format is: %s\n", FUNC_NAME(debugstr)(fmt));
342 locinfo = get_locinfo();
344 locinfo = locale->locinfo;
347 /* output characters before '%' */
348 for(q=p; *q && *q!='%'; q++);
350 i = pf_puts(puts_ctx, q-p, p);
362 /* output a single '%' character */
364 i = pf_puts(puts_ctx, 1, p++);
372 /* check parameter position */
373 if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &pos)) && *q=='$')
378 /* parse the flags */
379 memset(&flags, 0, sizeof(flags));
381 if(*p=='+' || *p==' ') {
382 if(flags.Sign != '+')
385 flags.LeftAlign = *p;
389 flags.Alternate = *p;
399 if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &i)) && *q=='$')
404 flags.FieldLength = pf_args(args_ctx, i, VT_INT, valist).get_int;
405 if(flags.FieldLength < 0) {
406 flags.LeftAlign = '-';
407 flags.FieldLength = -flags.FieldLength;
409 } else while(isdigit(*p)) {
410 flags.FieldLength *= 10;
411 flags.FieldLength += *p++ - '0';
414 /* parse the precision */
415 flags.Precision = -1;
421 if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &i)) && *q=='$')
426 flags.Precision = pf_args(args_ctx, i, VT_INT, valist).get_int;
427 } else while(isdigit(*p)) {
428 flags.Precision *= 10;
429 flags.Precision += *p++ - '0';
433 /* parse argument size modifier */
435 if(*p=='l' && *(p+1)=='l') {
436 flags.IntegerDouble++;
438 } else if(*p=='h' || *p=='l' || *p=='L') {
439 flags.IntegerLength = *p;
441 } else if(*p == 'I') {
442 if(*(p+1)=='6' && *(p+2)=='4') {
443 flags.IntegerDouble++;
445 } else if(*(p+1)=='3' && *(p+2)=='2')
447 else if(isdigit(*(p+1)) || !*(p+1))
452 flags.WideString = *p++;
461 if(flags.Format == 's' || flags.Format == 'S') {
462 i = FUNC_NAME(pf_handle_string)(pf_puts, puts_ctx,
463 pf_args(args_ctx, pos, VT_PTR, valist).get_ptr,
464 -1, &flags, locinfo);
465 } else if(flags.Format == 'c' || flags.Format == 'C') {
466 int ch = pf_args(args_ctx, pos, VT_INT, valist).get_int;
469 FIXME("multibyte characters printing not supported\n");
471 i = FUNC_NAME(pf_handle_string)(pf_puts, puts_ctx, &ch, 1, &flags, locinfo);
472 } else if(flags.Format == 'p') {
476 flags.Precision = 2*sizeof(void*);
477 FUNC_NAME(pf_integer_conv)(buf, sizeof(buf)/sizeof(APICHAR), &flags,
478 (ULONG_PTR)pf_args(args_ctx, pos, VT_PTR, valist).get_ptr);
483 i = FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, buf, -1, &flags, locinfo);
485 i = FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, buf, -1, &flags, locinfo);
487 } else if(flags.Format == 'n') {
490 if(!n_format_enabled) {
491 MSVCRT_INVALID_PMT("\'n\' format specifier disabled", MSVCRT_EINVAL);
495 used = pf_args(args_ctx, pos, VT_PTR, valist).get_ptr;
498 } else if(flags.Format && strchr("diouxX", flags.Format)) {
502 /* 0 padding is added after '0x' if Alternate flag is in use */
503 if((flags.Format=='x' || flags.Format=='X') && flags.PadZero && flags.Alternate
504 && !flags.LeftAlign && flags.Precision<flags.FieldLength-2)
505 flags.Precision = flags.FieldLength - 2;
507 max_len = (flags.FieldLength>flags.Precision ? flags.FieldLength : flags.Precision) + 10;
508 if(max_len > sizeof(buf)/sizeof(APICHAR))
509 tmp = HeapAlloc(GetProcessHeap(), 0, max_len);
513 if(flags.IntegerDouble)
514 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, pf_args(args_ctx, pos,
515 VT_I8, valist).get_longlong);
516 else if(flags.Format=='d' || flags.Format=='i')
517 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, flags.IntegerLength!='h' ?
518 pf_args(args_ctx, pos, VT_INT, valist).get_int :
519 (short)pf_args(args_ctx, pos, VT_INT, valist).get_int);
521 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, flags.IntegerLength!='h' ?
522 (unsigned)pf_args(args_ctx, pos, VT_INT, valist).get_int :
523 (unsigned short)pf_args(args_ctx, pos, VT_INT, valist).get_int);
526 i = FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, tmp, -1, &flags, locinfo);
528 i = FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, tmp, -1, &flags, locinfo);
531 HeapFree(GetProcessHeap(), 0, tmp);
532 } else if(flags.Format && strchr("aeEfgG", flags.Format)) {
533 char float_fmt[20], buf_a[32], *tmp = buf_a, *decimal_point;
534 int len = flags.Precision + 10;
535 double val = pf_args(args_ctx, pos, VT_R8, valist).get_double;
538 if(flags.Format=='f') {
539 if(val>-10.0 && val<10.0)
542 i = 1 + log10(val<0 ? -val : val);
543 /* Default precision is 6, additional space for sign, separator and nullbyte is required */
544 i += (flags.Precision==-1 ? 6 : flags.Precision) + 3;
550 if(len > sizeof(buf_a))
551 tmp = HeapAlloc(GetProcessHeap(), 0, len);
555 FUNC_NAME(pf_rebuild_format_string)(float_fmt, &flags);
561 sprintf(tmp, float_fmt, val);
562 if(toupper(flags.Format)=='E' || toupper(flags.Format)=='G')
563 FUNC_NAME(pf_fixup_exponent)(tmp);
565 decimal_point = strchr(tmp, '.');
567 *decimal_point = *locinfo->lconv->decimal_point;
570 i = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, &flags, TRUE);
573 r = FUNC_NAME(pf_output_str)(pf_puts, puts_ctx, tmp, len, locinfo);
578 HeapFree(GetProcessHeap(), 0, tmp);
579 r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, &flags, FALSE);
584 if(invoke_invalid_param_handler) {
585 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
586 *MSVCRT__errno() = MSVCRT_EINVAL;
603 enum types_clbk_flags {
604 TYPE_CLBK_VA_LIST = 1,
605 TYPE_CLBK_POSITIONAL = 2,
606 TYPE_CLBK_ERROR_POS = 4,
607 TYPE_CLBK_ERROR_TYPE = 8
610 /* This functions stores types of arguments. It uses args[0] internally */
611 static printf_arg arg_clbk_type(void *ctx, int pos, int type, __ms_va_list *valist)
613 static const printf_arg ret;
614 printf_arg *args = ctx;
617 args[0].get_int |= TYPE_CLBK_VA_LIST;
620 args[0].get_int |= TYPE_CLBK_POSITIONAL;
622 if(pos<1 || pos>MSVCRT__ARGMAX)
623 args[0].get_int |= TYPE_CLBK_ERROR_POS;
624 else if(args[pos].get_int && args[pos].get_int!=type)
625 args[0].get_int |= TYPE_CLBK_ERROR_TYPE;
627 args[pos].get_int = type;
633 static int FUNC_NAME(create_positional_ctx)(void *args_ctx, const APICHAR *format, __ms_va_list valist)
635 struct FUNC_NAME(_str_ctx) puts_ctx = {INT_MAX, NULL};
636 printf_arg *args = args_ctx;
639 i = FUNC_NAME(pf_printf)(FUNC_NAME(puts_clbk_str), &puts_ctx, format, NULL, TRUE, FALSE,
640 arg_clbk_type, args_ctx, NULL);
644 if(args[0].get_int==0 || args[0].get_int==TYPE_CLBK_VA_LIST)
646 if(args[0].get_int != TYPE_CLBK_POSITIONAL)
649 for(i=MSVCRT__ARGMAX; i>0; i--)
653 for(j=1; j<=i; j++) {
654 switch(args[j].get_int) {
656 args[j].get_longlong = va_arg(valist, LONGLONG);
659 args[j].get_int = va_arg(valist, int);
662 args[j].get_double = va_arg(valist, double);
665 args[j].get_ptr = va_arg(valist, void*);