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568035b7 | 1 | /* Copyright (C) 1991-2013 Free Software Foundation, Inc. |
2c6fe0bd | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
2c6fe0bd | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
2c6fe0bd UD |
9 | The GNU C 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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
d64b6ad0 | 18 | #include <assert.h> |
28f540f4 RM |
19 | #include <errno.h> |
20 | #include <limits.h> | |
21 | #include <ctype.h> | |
22 | #include <stdarg.h> | |
bea9b193 | 23 | #include <stdbool.h> |
28f540f4 | 24 | #include <stdio.h> |
e852e889 | 25 | #include <stdint.h> |
28f540f4 RM |
26 | #include <stdlib.h> |
27 | #include <string.h> | |
8d8c6efa | 28 | #include <wchar.h> |
2c6fe0bd | 29 | #include <wctype.h> |
5107cf1d | 30 | #include <bits/libc-lock.h> |
14ea22e9 | 31 | #include <locale/localeinfo.h> |
28f540f4 | 32 | |
28f540f4 | 33 | #ifdef __GNUC__ |
14ea22e9 UD |
34 | # define HAVE_LONGLONG |
35 | # define LONGLONG long long | |
28f540f4 | 36 | #else |
14ea22e9 | 37 | # define LONGLONG long |
28f540f4 RM |
38 | #endif |
39 | ||
96d0213e UD |
40 | /* Determine whether we have to handle `long long' at all. */ |
41 | #if LONG_MAX == LONG_LONG_MAX | |
42 | # define need_longlong 0 | |
43 | #else | |
44 | # define need_longlong 1 | |
45 | #endif | |
46 | ||
859a09cf UD |
47 | /* Determine whether we have to handle `long'. */ |
48 | #if INT_MAX == LONG_MAX | |
49 | # define need_long 0 | |
50 | #else | |
e4899e7b | 51 | # define need_long 1 |
859a09cf UD |
52 | #endif |
53 | ||
96aa2d94 | 54 | /* Those are flags in the conversion format. */ |
4c02bf1a UD |
55 | #define LONG 0x0001 /* l: long or double */ |
56 | #define LONGDBL 0x0002 /* L: long long or long double */ | |
57 | #define SHORT 0x0004 /* h: short */ | |
58 | #define SUPPRESS 0x0008 /* *: suppress assignment */ | |
59 | #define POINTER 0x0010 /* weird %p pointer (`fake hex') */ | |
60 | #define NOSKIP 0x0020 /* do not skip blanks */ | |
61 | #define NUMBER_SIGNED 0x0040 /* signed integer */ | |
62 | #define GROUP 0x0080 /* ': group numbers */ | |
267c54dc | 63 | #define GNU_MALLOC 0x0100 /* a: malloc strings */ |
4c02bf1a UD |
64 | #define CHAR 0x0200 /* hh: char */ |
65 | #define I18N 0x0400 /* I: use locale's digits */ | |
66 | #define HEXA_FLOAT 0x0800 /* hexadecimal float */ | |
67 | #define READ_POINTER 0x1000 /* this is a pointer value */ | |
267c54dc UD |
68 | #define POSIX_MALLOC 0x2000 /* m: malloc strings */ |
69 | #define MALLOC (GNU_MALLOC | POSIX_MALLOC) | |
96aa2d94 | 70 | |
e3b22ad3 UD |
71 | #include <locale/localeinfo.h> |
72 | #include <libioP.h> | |
73 | #include <libio.h> | |
05be689b | 74 | |
e3b22ad3 UD |
75 | #undef va_list |
76 | #define va_list _IO_va_list | |
d64b6ad0 | 77 | |
e3b22ad3 UD |
78 | #ifdef COMPILE_WSCANF |
79 | # define ungetc(c, s) ((void) (c == WEOF \ | |
d64b6ad0 | 80 | || (--read_in, \ |
d18ea0c5 | 81 | _IO_sputbackwc (s, c)))) |
e3b22ad3 | 82 | # define ungetc_not_eof(c, s) ((void) (--read_in, \ |
d18ea0c5 | 83 | _IO_sputbackwc (s, c))) |
e3b22ad3 | 84 | # define inchar() (c == WEOF ? ((errno = inchar_errno), WEOF) \ |
d64b6ad0 | 85 | : ((c = _IO_getwc_unlocked (s)), \ |
7d68a8ec | 86 | (void) (c != WEOF \ |
6dd67bd5 UD |
87 | ? ++read_in \ |
88 | : (size_t) (inchar_errno = errno)), c)) | |
d64b6ad0 | 89 | |
e3b22ad3 UD |
90 | # define MEMCPY(d, s, n) __wmemcpy (d, s, n) |
91 | # define ISSPACE(Ch) iswspace (Ch) | |
92 | # define ISDIGIT(Ch) iswdigit (Ch) | |
93 | # define ISXDIGIT(Ch) iswxdigit (Ch) | |
94 | # define TOLOWER(Ch) towlower (Ch) | |
95 | # define ORIENT if (_IO_fwide (s, 1) != 1) return WEOF | |
96 | # define __strtoll_internal __wcstoll_internal | |
97 | # define __strtoull_internal __wcstoull_internal | |
98 | # define __strtol_internal __wcstol_internal | |
99 | # define __strtoul_internal __wcstoul_internal | |
100 | # define __strtold_internal __wcstold_internal | |
101 | # define __strtod_internal __wcstod_internal | |
102 | # define __strtof_internal __wcstof_internal | |
103 | ||
104 | # define L_(Str) L##Str | |
e4899e7b | 105 | # define CHAR_T wchar_t |
e3b22ad3 | 106 | # define UCHAR_T unsigned int |
e4899e7b | 107 | # define WINT_T wint_t |
e3b22ad3 UD |
108 | # undef EOF |
109 | # define EOF WEOF | |
110 | #else | |
111 | # define ungetc(c, s) ((void) ((int) c == EOF \ | |
c764b9a7 | 112 | || (--read_in, \ |
d18ea0c5 | 113 | _IO_sputbackc (s, (unsigned char) c)))) |
e3b22ad3 | 114 | # define ungetc_not_eof(c, s) ((void) (--read_in, \ |
d18ea0c5 | 115 | _IO_sputbackc (s, (unsigned char) c))) |
e3b22ad3 | 116 | # define inchar() (c == EOF ? ((errno = inchar_errno), EOF) \ |
b112c02f | 117 | : ((c = _IO_getc_unlocked (s)), \ |
7d68a8ec | 118 | (void) (c != EOF \ |
6dd67bd5 UD |
119 | ? ++read_in \ |
120 | : (size_t) (inchar_errno = errno)), c)) | |
e3b22ad3 UD |
121 | # define MEMCPY(d, s, n) memcpy (d, s, n) |
122 | # define ISSPACE(Ch) __isspace_l (Ch, loc) | |
123 | # define ISDIGIT(Ch) __isdigit_l (Ch, loc) | |
124 | # define ISXDIGIT(Ch) __isxdigit_l (Ch, loc) | |
68dc4dcb | 125 | # define TOLOWER(Ch) __tolower_l ((unsigned char) (Ch), loc) |
e3b22ad3 | 126 | # define ORIENT if (_IO_vtable_offset (s) == 0 \ |
6b3f2b3d | 127 | && _IO_fwide (s, -1) != -1) \ |
411adb10 | 128 | return EOF |
d64b6ad0 | 129 | |
e3b22ad3 | 130 | # define L_(Str) Str |
e4899e7b | 131 | # define CHAR_T char |
e3b22ad3 UD |
132 | # define UCHAR_T unsigned char |
133 | # define WINT_T int | |
134 | #endif | |
d64b6ad0 | 135 | |
e3b22ad3 UD |
136 | #define encode_error() do { \ |
137 | errval = 4; \ | |
2c6fe0bd | 138 | __set_errno (EILSEQ); \ |
e3b22ad3 | 139 | goto errout; \ |
2c6fe0bd | 140 | } while (0) |
e3b22ad3 UD |
141 | #define conv_error() do { \ |
142 | errval = 2; \ | |
143 | goto errout; \ | |
7c713e28 | 144 | } while (0) |
e3b22ad3 UD |
145 | #define input_error() do { \ |
146 | errval = 1; \ | |
147 | if (done == 0) done = EOF; \ | |
148 | goto errout; \ | |
7c713e28 | 149 | } while (0) |
267c54dc UD |
150 | #define add_ptr_to_free(ptr) \ |
151 | do \ | |
152 | { \ | |
153 | if (ptrs_to_free == NULL \ | |
154 | || ptrs_to_free->count == (sizeof (ptrs_to_free->ptrs) \ | |
155 | / sizeof (ptrs_to_free->ptrs[0]))) \ | |
156 | { \ | |
157 | struct ptrs_to_free *new_ptrs = alloca (sizeof (*ptrs_to_free)); \ | |
158 | new_ptrs->count = 0; \ | |
159 | new_ptrs->next = ptrs_to_free; \ | |
160 | ptrs_to_free = new_ptrs; \ | |
161 | } \ | |
162 | ptrs_to_free->ptrs[ptrs_to_free->count++] = (ptr); \ | |
163 | } \ | |
164 | while (0) | |
e3b22ad3 | 165 | #define ARGCHECK(s, format) \ |
7c713e28 RM |
166 | do \ |
167 | { \ | |
168 | /* Check file argument for consistence. */ \ | |
169 | CHECK_FILE (s, EOF); \ | |
f8b87ef0 UD |
170 | if (s->_flags & _IO_NO_READS) \ |
171 | { \ | |
172 | __set_errno (EBADF); \ | |
173 | return EOF; \ | |
174 | } \ | |
175 | else if (format == NULL) \ | |
176 | { \ | |
177 | MAYBE_SET_EINVAL; \ | |
178 | return EOF; \ | |
179 | } \ | |
96aa2d94 | 180 | } while (0) |
e3b22ad3 | 181 | #define LOCK_STREAM(S) \ |
0dce3d15 | 182 | __libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile, (S)); \ |
edf5b2d7 | 183 | _IO_flockfile (S) |
e3b22ad3 | 184 | #define UNLOCK_STREAM(S) \ |
c0fb8a56 UD |
185 | _IO_funlockfile (S); \ |
186 | __libc_cleanup_region_end (0) | |
28f540f4 | 187 | |
267c54dc UD |
188 | struct ptrs_to_free |
189 | { | |
190 | size_t count; | |
191 | struct ptrs_to_free *next; | |
192 | char **ptrs[32]; | |
193 | }; | |
28f540f4 RM |
194 | |
195 | /* Read formatted input from S according to the format string | |
196 | FORMAT, using the argument list in ARG. | |
197 | Return the number of assignments made, or -1 for an input error. */ | |
e3b22ad3 | 198 | #ifdef COMPILE_WSCANF |
d64b6ad0 | 199 | int |
c6251f03 RM |
200 | _IO_vfwscanf (_IO_FILE *s, const wchar_t *format, _IO_va_list argptr, |
201 | int *errp) | |
e3b22ad3 | 202 | #else |
28f540f4 | 203 | int |
c6251f03 RM |
204 | _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, |
205 | int *errp) | |
96aa2d94 | 206 | #endif |
28f540f4 | 207 | { |
4cca6b86 | 208 | va_list arg; |
2e09a79a JM |
209 | const CHAR_T *f = format; |
210 | UCHAR_T fc; /* Current character of the format. */ | |
211 | WINT_T done = 0; /* Assignments done. */ | |
212 | size_t read_in = 0; /* Chars read in. */ | |
213 | WINT_T c = 0; /* Last char read. */ | |
214 | int width; /* Maximum field width. */ | |
215 | int flags; /* Modifiers for current format element. */ | |
e3b22ad3 UD |
216 | int errval = 0; |
217 | #ifndef COMPILE_WSCANF | |
218 | __locale_t loc = _NL_CURRENT_LOCALE; | |
f095bb72 | 219 | struct __locale_data *const curctype = loc->__locales[LC_CTYPE]; |
e3b22ad3 | 220 | #endif |
0793d348 | 221 | |
7d68a8ec UD |
222 | /* Errno of last failed inchar call. */ |
223 | int inchar_errno = 0; | |
28f540f4 | 224 | /* Status for reading F-P nums. */ |
6ecec3b6 | 225 | char got_digit, got_dot, got_e, negative; |
28f540f4 | 226 | /* If a [...] is a [^...]. */ |
d64b6ad0 | 227 | CHAR_T not_in; |
377a515b | 228 | #define exp_char not_in |
28f540f4 RM |
229 | /* Base for integral numbers. */ |
230 | int base; | |
77a58cad | 231 | /* Decimal point character. */ |
72acaddf | 232 | #ifdef COMPILE_WSCANF |
52a7f7c0 | 233 | wint_t decimal; |
72acaddf UD |
234 | #else |
235 | const char *decimal; | |
236 | #endif | |
0793d348 | 237 | /* The thousands character of the current locale. */ |
72acaddf | 238 | #ifdef COMPILE_WSCANF |
52a7f7c0 | 239 | wint_t thousands; |
72acaddf UD |
240 | #else |
241 | const char *thousands; | |
242 | #endif | |
267c54dc | 243 | struct ptrs_to_free *ptrs_to_free = NULL; |
8d8c6efa UD |
244 | /* State for the conversions. */ |
245 | mbstate_t state; | |
28f540f4 | 246 | /* Integral holding variables. */ |
f0bf9cb9 RM |
247 | union |
248 | { | |
249 | long long int q; | |
250 | unsigned long long int uq; | |
251 | long int l; | |
252 | unsigned long int ul; | |
253 | } num; | |
28f540f4 | 254 | /* Character-buffer pointer. */ |
ba1ffaa1 | 255 | char *str = NULL; |
2c6fe0bd | 256 | wchar_t *wstr = NULL; |
ba1ffaa1 | 257 | char **strptr = NULL; |
54188057 | 258 | ssize_t strsize = 0; |
05be689b RM |
259 | /* We must not react on white spaces immediately because they can |
260 | possibly be matched even if in the input stream no character is | |
261 | available anymore. */ | |
262 | int skip_space = 0; | |
28f540f4 | 263 | /* Workspace. */ |
d64b6ad0 UD |
264 | CHAR_T *tw; /* Temporary pointer. */ |
265 | CHAR_T *wp = NULL; /* Workspace. */ | |
77a58cad | 266 | size_t wpmax = 0; /* Maximal size of workspace. */ |
05be689b | 267 | size_t wpsize; /* Currently used bytes in workspace. */ |
3f8cc204 | 268 | bool use_malloc = false; |
77a58cad RM |
269 | #define ADDW(Ch) \ |
270 | do \ | |
271 | { \ | |
3f8cc204 | 272 | if (__builtin_expect (wpsize == wpmax, 0)) \ |
77a58cad | 273 | { \ |
d64b6ad0 | 274 | CHAR_T *old = wp; \ |
3f8cc204 UD |
275 | size_t newsize = (UCHAR_MAX + 1 > 2 * wpmax \ |
276 | ? UCHAR_MAX + 1 : 2 * wpmax); \ | |
20b38e03 | 277 | if (use_malloc || !__libc_use_alloca (newsize)) \ |
3f8cc204 UD |
278 | { \ |
279 | wp = realloc (use_malloc ? wp : NULL, newsize); \ | |
280 | if (wp == NULL) \ | |
281 | { \ | |
282 | if (use_malloc) \ | |
283 | free (old); \ | |
284 | done = EOF; \ | |
285 | goto errout; \ | |
286 | } \ | |
287 | if (! use_malloc) \ | |
288 | MEMCPY (wp, old, wpsize); \ | |
289 | wpmax = newsize; \ | |
290 | use_malloc = true; \ | |
291 | } \ | |
292 | else \ | |
293 | { \ | |
294 | size_t s = wpmax * sizeof (CHAR_T); \ | |
295 | wp = (CHAR_T *) extend_alloca (wp, s, \ | |
296 | newsize * sizeof (CHAR_T)); \ | |
297 | wpmax = s / sizeof (CHAR_T); \ | |
298 | if (old != NULL) \ | |
299 | MEMCPY (wp, old, wpsize); \ | |
300 | } \ | |
77a58cad RM |
301 | } \ |
302 | wp[wpsize++] = (Ch); \ | |
303 | } \ | |
304 | while (0) | |
28f540f4 | 305 | |
4cca6b86 UD |
306 | #ifdef __va_copy |
307 | __va_copy (arg, argptr); | |
308 | #else | |
309 | arg = (va_list) argptr; | |
310 | #endif | |
311 | ||
d64b6ad0 UD |
312 | #ifdef ORIENT |
313 | ORIENT; | |
314 | #endif | |
315 | ||
96aa2d94 | 316 | ARGCHECK (s, format); |
28f540f4 | 317 | |
e3b22ad3 UD |
318 | { |
319 | #ifndef COMPILE_WSCANF | |
f095bb72 | 320 | struct __locale_data *const curnumeric = loc->__locales[LC_NUMERIC]; |
e3b22ad3 UD |
321 | #endif |
322 | ||
323 | /* Figure out the decimal point character. */ | |
72acaddf | 324 | #ifdef COMPILE_WSCANF |
e3b22ad3 | 325 | decimal = _NL_CURRENT_WORD (LC_NUMERIC, _NL_NUMERIC_DECIMAL_POINT_WC); |
72acaddf | 326 | #else |
e3b22ad3 | 327 | decimal = curnumeric->values[_NL_ITEM_INDEX (DECIMAL_POINT)].string; |
72acaddf | 328 | #endif |
e3b22ad3 | 329 | /* Figure out the thousands separator character. */ |
72acaddf | 330 | #ifdef COMPILE_WSCANF |
e3b22ad3 | 331 | thousands = _NL_CURRENT_WORD (LC_NUMERIC, _NL_NUMERIC_THOUSANDS_SEP_WC); |
72acaddf | 332 | #else |
e3b22ad3 UD |
333 | thousands = curnumeric->values[_NL_ITEM_INDEX (THOUSANDS_SEP)].string; |
334 | if (*thousands == '\0') | |
335 | thousands = NULL; | |
72acaddf | 336 | #endif |
e3b22ad3 | 337 | } |
28f540f4 | 338 | |
7c713e28 | 339 | /* Lock the stream. */ |
edf5b2d7 | 340 | LOCK_STREAM (s); |
aa1075ea | 341 | |
8d8c6efa | 342 | |
72acaddf | 343 | #ifndef COMPILE_WSCANF |
8d8c6efa UD |
344 | /* From now on we use `state' to convert the format string. */ |
345 | memset (&state, '\0', sizeof (state)); | |
d64b6ad0 | 346 | #endif |
8d8c6efa | 347 | |
28f540f4 RM |
348 | /* Run through the format string. */ |
349 | while (*f != '\0') | |
350 | { | |
be69ea41 RM |
351 | unsigned int argpos; |
352 | /* Extract the next argument, which is of type TYPE. | |
353 | For a %N$... spec, this is the Nth argument from the beginning; | |
354 | otherwise it is the next argument after the state now in ARG. */ | |
4cca6b86 | 355 | #ifdef __va_copy |
96aa2d94 | 356 | # define ARG(type) (argpos == 0 ? va_arg (arg, type) : \ |
4cca6b86 UD |
357 | ({ unsigned int pos = argpos; \ |
358 | va_list arg; \ | |
359 | __va_copy (arg, argptr); \ | |
360 | while (--pos > 0) \ | |
361 | (void) va_arg (arg, void *); \ | |
362 | va_arg (arg, type); \ | |
363 | })) | |
364 | #else | |
365 | # if 0 | |
366 | /* XXX Possible optimization. */ | |
367 | # define ARG(type) (argpos == 0 ? va_arg (arg, type) : \ | |
96aa2d94 RM |
368 | ({ va_list arg = (va_list) argptr; \ |
369 | arg = (va_list) ((char *) arg \ | |
370 | + (argpos - 1) \ | |
371 | * __va_rounded_size (void *)); \ | |
372 | va_arg (arg, type); \ | |
373 | })) | |
4cca6b86 UD |
374 | # else |
375 | # define ARG(type) (argpos == 0 ? va_arg (arg, type) : \ | |
be69ea41 RM |
376 | ({ unsigned int pos = argpos; \ |
377 | va_list arg = (va_list) argptr; \ | |
378 | while (--pos > 0) \ | |
379 | (void) va_arg (arg, void *); \ | |
380 | va_arg (arg, type); \ | |
381 | })) | |
4cca6b86 | 382 | # endif |
96aa2d94 | 383 | #endif |
be69ea41 | 384 | |
72acaddf | 385 | #ifndef COMPILE_WSCANF |
44f8759b | 386 | if (!isascii ((unsigned char) *f)) |
28f540f4 RM |
387 | { |
388 | /* Non-ASCII, may be a multibyte. */ | |
8d8c6efa | 389 | int len = __mbrlen (f, strlen (f), &state); |
28f540f4 RM |
390 | if (len > 0) |
391 | { | |
3867ee64 RM |
392 | do |
393 | { | |
394 | c = inchar (); | |
694b49ca | 395 | if (__builtin_expect (c == EOF, 0)) |
3867ee64 | 396 | input_error (); |
44f8759b | 397 | else if (c != (unsigned char) *f++) |
3867ee64 | 398 | { |
44f8759b | 399 | ungetc_not_eof (c, s); |
3867ee64 RM |
400 | conv_error (); |
401 | } | |
402 | } | |
403 | while (--len > 0); | |
28f540f4 RM |
404 | continue; |
405 | } | |
406 | } | |
d64b6ad0 | 407 | #endif |
28f540f4 RM |
408 | |
409 | fc = *f++; | |
410 | if (fc != '%') | |
411 | { | |
05be689b | 412 | /* Remember to skip spaces. */ |
d64b6ad0 | 413 | if (ISSPACE (fc)) |
05be689b RM |
414 | { |
415 | skip_space = 1; | |
416 | continue; | |
417 | } | |
418 | ||
3867ee64 RM |
419 | /* Read a character. */ |
420 | c = inchar (); | |
421 | ||
28f540f4 | 422 | /* Characters other than format specs must just match. */ |
694b49ca | 423 | if (__builtin_expect (c == EOF, 0)) |
96aa2d94 | 424 | input_error (); |
05be689b | 425 | |
2114e10a RM |
426 | /* We saw white space char as the last character in the format |
427 | string. Now it's time to skip all leading white space. */ | |
05be689b | 428 | if (skip_space) |
28f540f4 | 429 | { |
d64b6ad0 | 430 | while (ISSPACE (c)) |
694b49ca | 431 | if (__builtin_expect (inchar () == EOF, 0)) |
d3b52028 | 432 | input_error (); |
05be689b | 433 | skip_space = 0; |
28f540f4 | 434 | } |
05be689b | 435 | |
694b49ca | 436 | if (__builtin_expect (c != fc, 0)) |
3867ee64 | 437 | { |
655c0697 | 438 | ungetc (c, s); |
3867ee64 RM |
439 | conv_error (); |
440 | } | |
05be689b | 441 | |
28f540f4 RM |
442 | continue; |
443 | } | |
444 | ||
05be689b | 445 | /* This is the start of the conversion string. */ |
96aa2d94 | 446 | flags = 0; |
96aa2d94 | 447 | |
be69ea41 RM |
448 | /* Initialize state of modifiers. */ |
449 | argpos = 0; | |
be69ea41 | 450 | |
05be689b RM |
451 | /* Prepare temporary buffer. */ |
452 | wpsize = 0; | |
453 | ||
be69ea41 | 454 | /* Check for a positional parameter specification. */ |
44f8759b | 455 | if (ISDIGIT ((UCHAR_T) *f)) |
be69ea41 | 456 | { |
44f8759b UD |
457 | argpos = (UCHAR_T) *f++ - L_('0'); |
458 | while (ISDIGIT ((UCHAR_T) *f)) | |
459 | argpos = argpos * 10 + ((UCHAR_T) *f++ - L_('0')); | |
d64b6ad0 | 460 | if (*f == L_('$')) |
be69ea41 RM |
461 | ++f; |
462 | else | |
463 | { | |
464 | /* Oops; that was actually the field width. */ | |
465 | width = argpos; | |
466 | argpos = 0; | |
467 | goto got_width; | |
468 | } | |
469 | } | |
470 | ||
a1d84548 UD |
471 | /* Check for the assignment-suppressing, the number grouping flag, |
472 | and the signal to use the locale's digit representation. */ | |
473 | while (*f == L_('*') || *f == L_('\'') || *f == L_('I')) | |
f0bf9cb9 RM |
474 | switch (*f++) |
475 | { | |
d64b6ad0 | 476 | case L_('*'): |
0793d348 | 477 | flags |= SUPPRESS; |
f0bf9cb9 | 478 | break; |
d64b6ad0 | 479 | case L_('\''): |
3979024a UD |
480 | #ifdef COMPILE_WSCANF |
481 | if (thousands != L'\0') | |
482 | #else | |
483 | if (thousands != NULL) | |
484 | #endif | |
485 | flags |= GROUP; | |
f0bf9cb9 | 486 | break; |
a1d84548 UD |
487 | case L_('I'): |
488 | flags |= I18N; | |
489 | break; | |
f0bf9cb9 RM |
490 | } |
491 | ||
28f540f4 RM |
492 | /* Find the maximum field width. */ |
493 | width = 0; | |
44f8759b | 494 | while (ISDIGIT ((UCHAR_T) *f)) |
28f540f4 RM |
495 | { |
496 | width *= 10; | |
44f8759b | 497 | width += (UCHAR_T) *f++ - L_('0'); |
28f540f4 | 498 | } |
be69ea41 | 499 | got_width: |
28f540f4 RM |
500 | if (width == 0) |
501 | width = -1; | |
502 | ||
503 | /* Check for type modifiers. */ | |
c3966b88 UD |
504 | switch (*f++) |
505 | { | |
d64b6ad0 | 506 | case L_('h'): |
c3966b88 | 507 | /* ints are short ints or chars. */ |
d64b6ad0 | 508 | if (*f == L_('h')) |
c3966b88 UD |
509 | { |
510 | ++f; | |
511 | flags |= CHAR; | |
512 | } | |
513 | else | |
514 | flags |= SHORT; | |
515 | break; | |
d64b6ad0 UD |
516 | case L_('l'): |
517 | if (*f == L_('l')) | |
c3966b88 UD |
518 | { |
519 | /* A double `l' is equivalent to an `L'. */ | |
520 | ++f; | |
859a09cf | 521 | flags |= LONGDBL | LONG; |
c3966b88 UD |
522 | } |
523 | else | |
524 | /* ints are long ints. */ | |
525 | flags |= LONG; | |
526 | break; | |
d64b6ad0 UD |
527 | case L_('q'): |
528 | case L_('L'): | |
c3966b88 | 529 | /* doubles are long doubles, and ints are long long ints. */ |
859a09cf | 530 | flags |= LONGDBL | LONG; |
c3966b88 | 531 | break; |
d64b6ad0 | 532 | case L_('a'): |
c3966b88 UD |
533 | /* The `a' is used as a flag only if followed by `s', `S' or |
534 | `['. */ | |
d64b6ad0 | 535 | if (*f != L_('s') && *f != L_('S') && *f != L_('[')) |
c3966b88 UD |
536 | { |
537 | --f; | |
538 | break; | |
539 | } | |
874aa523 UD |
540 | /* In __isoc99_*scanf %as, %aS and %a[ extension is not |
541 | supported at all. */ | |
542 | if (s->_flags2 & _IO_FLAGS2_SCANF_STD) | |
543 | { | |
544 | --f; | |
545 | break; | |
546 | } | |
c3966b88 UD |
547 | /* String conversions (%s, %[) take a `char **' |
548 | arg and fill it in with a malloc'd pointer. */ | |
267c54dc | 549 | flags |= GNU_MALLOC; |
c3966b88 | 550 | break; |
874aa523 UD |
551 | case L_('m'): |
552 | flags |= POSIX_MALLOC; | |
553 | if (*f == L_('l')) | |
554 | { | |
555 | ++f; | |
556 | flags |= LONG; | |
557 | } | |
558 | break; | |
d64b6ad0 | 559 | case L_('z'): |
96d0213e | 560 | if (need_longlong && sizeof (size_t) > sizeof (unsigned long int)) |
c3966b88 UD |
561 | flags |= LONGDBL; |
562 | else if (sizeof (size_t) > sizeof (unsigned int)) | |
563 | flags |= LONG; | |
564 | break; | |
d64b6ad0 | 565 | case L_('j'): |
96d0213e | 566 | if (need_longlong && sizeof (uintmax_t) > sizeof (unsigned long int)) |
c3966b88 UD |
567 | flags |= LONGDBL; |
568 | else if (sizeof (uintmax_t) > sizeof (unsigned int)) | |
569 | flags |= LONG; | |
570 | break; | |
d64b6ad0 | 571 | case L_('t'): |
96d0213e | 572 | if (need_longlong && sizeof (ptrdiff_t) > sizeof (long int)) |
c3966b88 UD |
573 | flags |= LONGDBL; |
574 | else if (sizeof (ptrdiff_t) > sizeof (int)) | |
575 | flags |= LONG; | |
576 | break; | |
577 | default: | |
578 | /* Not a recognized modifier. Backup. */ | |
579 | --f; | |
580 | break; | |
581 | } | |
28f540f4 RM |
582 | |
583 | /* End of the format string? */ | |
694b49ca | 584 | if (__builtin_expect (*f == L_('\0'), 0)) |
96aa2d94 | 585 | conv_error (); |
28f540f4 RM |
586 | |
587 | /* Find the conversion specifier. */ | |
28f540f4 | 588 | fc = *f++; |
d64b6ad0 | 589 | if (skip_space || (fc != L_('[') && fc != L_('c') |
f9a06dc1 | 590 | && fc != L_('C') && fc != L_('n'))) |
05be689b RM |
591 | { |
592 | /* Eat whitespace. */ | |
14ea22e9 | 593 | int save_errno = errno; |
0923a2c8 | 594 | __set_errno (0); |
3867ee64 | 595 | do |
0923a2c8 UD |
596 | /* We add the additional test for EOF here since otherwise |
597 | inchar will restore the old errno value which might be | |
598 | EINTR but does not indicate an interrupt since nothing | |
599 | was read at this time. */ | |
600 | if (__builtin_expect ((c == EOF || inchar () == EOF) | |
601 | && errno == EINTR, 0)) | |
f8b87ef0 | 602 | input_error (); |
d64b6ad0 | 603 | while (ISSPACE (c)); |
0923a2c8 | 604 | __set_errno (save_errno); |
655c0697 | 605 | ungetc (c, s); |
05be689b RM |
606 | skip_space = 0; |
607 | } | |
608 | ||
28f540f4 RM |
609 | switch (fc) |
610 | { | |
d64b6ad0 | 611 | case L_('%'): /* Must match a literal '%'. */ |
14ea22e9 | 612 | c = inchar (); |
694b49ca | 613 | if (__builtin_expect (c == EOF, 0)) |
dc30f461 | 614 | input_error (); |
694b49ca | 615 | if (__builtin_expect (c != fc, 0)) |
3867ee64 | 616 | { |
44f8759b | 617 | ungetc_not_eof (c, s); |
3867ee64 RM |
618 | conv_error (); |
619 | } | |
28f540f4 RM |
620 | break; |
621 | ||
d64b6ad0 | 622 | case L_('n'): /* Answer number of assignments done. */ |
01cdeca0 RM |
623 | /* Corrigendum 1 to ISO C 1990 describes the allowed flags |
624 | with the 'n' conversion specifier. */ | |
0793d348 | 625 | if (!(flags & SUPPRESS)) |
5290baf0 UD |
626 | { |
627 | /* Don't count the read-ahead. */ | |
96d0213e | 628 | if (need_longlong && (flags & LONGDBL)) |
5290baf0 | 629 | *ARG (long long int *) = read_in; |
859a09cf | 630 | else if (need_long && (flags & LONG)) |
5290baf0 UD |
631 | *ARG (long int *) = read_in; |
632 | else if (flags & SHORT) | |
633 | *ARG (short int *) = read_in; | |
859a09cf | 634 | else if (!(flags & CHAR)) |
5290baf0 | 635 | *ARG (int *) = read_in; |
859a09cf UD |
636 | else |
637 | *ARG (char *) = read_in; | |
8d57beea UD |
638 | |
639 | #ifdef NO_BUG_IN_ISO_C_CORRIGENDUM_1 | |
640 | /* We have a severe problem here. The ISO C standard | |
641 | contradicts itself in explaining the effect of the %n | |
642 | format in `scanf'. While in ISO C:1990 and the ISO C | |
643 | Amendement 1:1995 the result is described as | |
644 | ||
645 | Execution of a %n directive does not effect the | |
646 | assignment count returned at the completion of | |
647 | execution of the f(w)scanf function. | |
648 | ||
649 | in ISO C Corrigendum 1:1994 the following was added: | |
650 | ||
651 | Subclause 7.9.6.2 | |
652 | Add the following fourth example: | |
653 | In: | |
654 | #include <stdio.h> | |
655 | int d1, d2, n1, n2, i; | |
656 | i = sscanf("123", "%d%n%n%d", &d1, &n1, &n2, &d2); | |
657 | the value 123 is assigned to d1 and the value3 to n1. | |
658 | Because %n can never get an input failure the value | |
659 | of 3 is also assigned to n2. The value of d2 is not | |
660 | affected. The value 3 is assigned to i. | |
661 | ||
14ea22e9 | 662 | We go for now with the historically correct code from ISO C, |
8d57beea UD |
663 | i.e., we don't count the %n assignments. When it ever |
664 | should proof to be wrong just remove the #ifdef above. */ | |
5290baf0 | 665 | ++done; |
8d57beea | 666 | #endif |
5290baf0 | 667 | } |
28f540f4 RM |
668 | break; |
669 | ||
d64b6ad0 | 670 | case L_('c'): /* Match characters. */ |
2c6fe0bd | 671 | if ((flags & LONG) == 0) |
28f540f4 | 672 | { |
874aa523 UD |
673 | if (width == -1) |
674 | width = 1; | |
675 | ||
676 | #define STRING_ARG(Str, Type, Width) \ | |
677 | do if (!(flags & SUPPRESS)) \ | |
678 | { \ | |
679 | if (flags & MALLOC) \ | |
680 | { \ | |
681 | /* The string is to be stored in a malloc'd buffer. */ \ | |
682 | /* For %mS using char ** is actually wrong, but \ | |
683 | shouldn't make a difference on any arch glibc \ | |
684 | supports and would unnecessarily complicate \ | |
685 | things. */ \ | |
686 | strptr = ARG (char **); \ | |
687 | if (strptr == NULL) \ | |
688 | conv_error (); \ | |
689 | /* Allocate an initial buffer. */ \ | |
690 | strsize = Width; \ | |
691 | *strptr = (char *) malloc (strsize * sizeof (Type)); \ | |
692 | Str = (Type *) *strptr; \ | |
693 | if (Str != NULL) \ | |
694 | add_ptr_to_free (strptr); \ | |
695 | else if (flags & POSIX_MALLOC) \ | |
3f8cc204 UD |
696 | { \ |
697 | done = EOF; \ | |
698 | goto errout; \ | |
699 | } \ | |
874aa523 UD |
700 | } \ |
701 | else \ | |
702 | Str = ARG (Type *); \ | |
703 | if (Str == NULL) \ | |
704 | conv_error (); \ | |
705 | } while (0) | |
706 | #ifdef COMPILE_WSCANF | |
707 | STRING_ARG (str, char, 100); | |
708 | #else | |
709 | STRING_ARG (str, char, (width > 1024 ? 1024 : width)); | |
710 | #endif | |
28f540f4 | 711 | |
14ea22e9 | 712 | c = inchar (); |
694b49ca | 713 | if (__builtin_expect (c == EOF, 0)) |
2c6fe0bd | 714 | input_error (); |
28f540f4 | 715 | |
72acaddf | 716 | #ifdef COMPILE_WSCANF |
d64b6ad0 UD |
717 | /* We have to convert the wide character(s) into multibyte |
718 | characters and store the result. */ | |
719 | memset (&state, '\0', sizeof (state)); | |
720 | ||
721 | do | |
722 | { | |
723 | size_t n; | |
724 | ||
874aa523 UD |
725 | if (!(flags & SUPPRESS) && (flags & POSIX_MALLOC) |
726 | && str + MB_CUR_MAX >= *strptr + strsize) | |
727 | { | |
728 | /* We have to enlarge the buffer if the `m' flag | |
729 | was given. */ | |
730 | size_t strleng = str - *strptr; | |
731 | char *newstr; | |
732 | ||
733 | newstr = (char *) realloc (*strptr, strsize * 2); | |
734 | if (newstr == NULL) | |
735 | { | |
736 | /* Can't allocate that much. Last-ditch effort. */ | |
737 | newstr = (char *) realloc (*strptr, | |
738 | strleng + MB_CUR_MAX); | |
739 | if (newstr == NULL) | |
3f8cc204 UD |
740 | { |
741 | /* c can't have `a' flag, only `m'. */ | |
742 | done = EOF; | |
743 | goto errout; | |
744 | } | |
874aa523 UD |
745 | else |
746 | { | |
747 | *strptr = newstr; | |
748 | str = newstr + strleng; | |
749 | strsize = strleng + MB_CUR_MAX; | |
750 | } | |
751 | } | |
752 | else | |
753 | { | |
754 | *strptr = newstr; | |
755 | str = newstr + strleng; | |
756 | strsize *= 2; | |
757 | } | |
758 | } | |
759 | ||
4aebaa6b | 760 | n = __wcrtomb (!(flags & SUPPRESS) ? str : NULL, c, &state); |
694b49ca | 761 | if (__builtin_expect (n == (size_t) -1, 0)) |
d64b6ad0 UD |
762 | /* No valid wide character. */ |
763 | input_error (); | |
764 | ||
765 | /* Increment the output pointer. Even if we don't | |
766 | write anything. */ | |
767 | str += n; | |
768 | } | |
769 | while (--width > 0 && inchar () != EOF); | |
770 | #else | |
2c6fe0bd UD |
771 | if (!(flags & SUPPRESS)) |
772 | { | |
773 | do | |
874aa523 UD |
774 | { |
775 | if ((flags & MALLOC) | |
776 | && (char *) str == *strptr + strsize) | |
777 | { | |
778 | /* Enlarge the buffer. */ | |
779 | size_t newsize | |
780 | = strsize | |
781 | + (strsize >= width ? width - 1 : strsize); | |
782 | ||
783 | str = (char *) realloc (*strptr, newsize); | |
784 | if (str == NULL) | |
785 | { | |
786 | /* Can't allocate that much. Last-ditch | |
787 | effort. */ | |
788 | str = (char *) realloc (*strptr, strsize + 1); | |
789 | if (str == NULL) | |
3f8cc204 UD |
790 | { |
791 | /* c can't have `a' flag, only `m'. */ | |
792 | done = EOF; | |
793 | goto errout; | |
794 | } | |
874aa523 UD |
795 | else |
796 | { | |
797 | *strptr = (char *) str; | |
798 | str += strsize; | |
799 | ++strsize; | |
800 | } | |
801 | } | |
802 | else | |
803 | { | |
804 | *strptr = (char *) str; | |
805 | str += strsize; | |
806 | strsize = newsize; | |
807 | } | |
808 | } | |
809 | *str++ = c; | |
810 | } | |
2c6fe0bd UD |
811 | while (--width > 0 && inchar () != EOF); |
812 | } | |
813 | else | |
814 | while (--width > 0 && inchar () != EOF); | |
d64b6ad0 | 815 | #endif |
2c6fe0bd | 816 | |
2c6fe0bd | 817 | if (!(flags & SUPPRESS)) |
874aa523 UD |
818 | { |
819 | if ((flags & MALLOC) && str - *strptr != strsize) | |
820 | { | |
821 | char *cp = (char *) realloc (*strptr, str - *strptr); | |
822 | if (cp != NULL) | |
823 | *strptr = cp; | |
824 | } | |
825 | strptr = NULL; | |
826 | ++done; | |
827 | } | |
2c6fe0bd UD |
828 | |
829 | break; | |
28f540f4 | 830 | } |
2c6fe0bd | 831 | /* FALLTHROUGH */ |
d64b6ad0 | 832 | case L_('C'): |
874aa523 UD |
833 | if (width == -1) |
834 | width = 1; | |
835 | ||
836 | STRING_ARG (wstr, wchar_t, (width > 1024 ? 1024 : width)); | |
d64b6ad0 UD |
837 | |
838 | c = inchar (); | |
694b49ca | 839 | if (__builtin_expect (c == EOF, 0)) |
d64b6ad0 UD |
840 | input_error (); |
841 | ||
72acaddf | 842 | #ifdef COMPILE_WSCANF |
d64b6ad0 UD |
843 | /* Just store the incoming wide characters. */ |
844 | if (!(flags & SUPPRESS)) | |
845 | { | |
846 | do | |
874aa523 UD |
847 | { |
848 | if ((flags & MALLOC) | |
849 | && wstr == (wchar_t *) *strptr + strsize) | |
850 | { | |
851 | size_t newsize | |
852 | = strsize + (strsize > width ? width - 1 : strsize); | |
853 | /* Enlarge the buffer. */ | |
854 | wstr = (wchar_t *) realloc (*strptr, | |
855 | newsize * sizeof (wchar_t)); | |
856 | if (wstr == NULL) | |
857 | { | |
858 | /* Can't allocate that much. Last-ditch effort. */ | |
859 | wstr = (wchar_t *) realloc (*strptr, | |
860 | (strsize + 1) | |
861 | * sizeof (wchar_t)); | |
862 | if (wstr == NULL) | |
3f8cc204 UD |
863 | { |
864 | /* C or lc can't have `a' flag, only `m' | |
865 | flag. */ | |
866 | done = EOF; | |
867 | goto errout; | |
868 | } | |
874aa523 UD |
869 | else |
870 | { | |
871 | *strptr = (char *) wstr; | |
872 | wstr += strsize; | |
873 | ++strsize; | |
874 | } | |
875 | } | |
876 | else | |
877 | { | |
878 | *strptr = (char *) wstr; | |
879 | wstr += strsize; | |
880 | strsize = newsize; | |
881 | } | |
882 | } | |
883 | *wstr++ = c; | |
884 | } | |
d64b6ad0 UD |
885 | while (--width > 0 && inchar () != EOF); |
886 | } | |
887 | else | |
888 | while (--width > 0 && inchar () != EOF); | |
889 | #else | |
2c6fe0bd | 890 | { |
d64b6ad0 UD |
891 | /* We have to convert the multibyte input sequence to wide |
892 | characters. */ | |
68bd3326 | 893 | char buf[1]; |
d64b6ad0 | 894 | mbstate_t cstate; |
28f540f4 | 895 | |
d64b6ad0 | 896 | memset (&cstate, '\0', sizeof (cstate)); |
edf5b2d7 | 897 | |
2c6fe0bd UD |
898 | do |
899 | { | |
d64b6ad0 UD |
900 | /* This is what we present the mbrtowc function first. */ |
901 | buf[0] = c; | |
d64b6ad0 | 902 | |
874aa523 UD |
903 | if (!(flags & SUPPRESS) && (flags & MALLOC) |
904 | && wstr == (wchar_t *) *strptr + strsize) | |
905 | { | |
906 | size_t newsize | |
907 | = strsize + (strsize > width ? width - 1 : strsize); | |
908 | /* Enlarge the buffer. */ | |
909 | wstr = (wchar_t *) realloc (*strptr, | |
910 | newsize * sizeof (wchar_t)); | |
911 | if (wstr == NULL) | |
912 | { | |
913 | /* Can't allocate that much. Last-ditch effort. */ | |
914 | wstr = (wchar_t *) realloc (*strptr, | |
915 | ((strsize + 1) | |
916 | * sizeof (wchar_t))); | |
917 | if (wstr == NULL) | |
3f8cc204 UD |
918 | { |
919 | /* C or lc can't have `a' flag, only `m' flag. */ | |
920 | done = EOF; | |
921 | goto errout; | |
922 | } | |
874aa523 UD |
923 | else |
924 | { | |
925 | *strptr = (char *) wstr; | |
926 | wstr += strsize; | |
927 | ++strsize; | |
928 | } | |
929 | } | |
930 | else | |
931 | { | |
932 | *strptr = (char *) wstr; | |
933 | wstr += strsize; | |
934 | strsize = newsize; | |
935 | } | |
936 | } | |
937 | ||
d64b6ad0 UD |
938 | while (1) |
939 | { | |
940 | size_t n; | |
941 | ||
942 | n = __mbrtowc (!(flags & SUPPRESS) ? wstr : NULL, | |
2f278c94 | 943 | buf, 1, &cstate); |
d64b6ad0 UD |
944 | |
945 | if (n == (size_t) -2) | |
946 | { | |
947 | /* Possibly correct character, just not enough | |
948 | input. */ | |
694b49ca | 949 | if (__builtin_expect (inchar () == EOF, 0)) |
d64b6ad0 UD |
950 | encode_error (); |
951 | ||
2f278c94 | 952 | buf[0] = c; |
d64b6ad0 UD |
953 | continue; |
954 | } | |
955 | ||
694b49ca | 956 | if (__builtin_expect (n != 1, 0)) |
d64b6ad0 UD |
957 | encode_error (); |
958 | ||
959 | /* We have a match. */ | |
960 | break; | |
961 | } | |
962 | ||
963 | /* Advance the result pointer. */ | |
964 | ++wstr; | |
965 | } | |
966 | while (--width > 0 && inchar () != EOF); | |
2c6fe0bd | 967 | } |
d64b6ad0 | 968 | #endif |
28f540f4 | 969 | |
d64b6ad0 | 970 | if (!(flags & SUPPRESS)) |
874aa523 UD |
971 | { |
972 | if ((flags & MALLOC) && wstr - (wchar_t *) *strptr != strsize) | |
973 | { | |
974 | wchar_t *cp = (wchar_t *) realloc (*strptr, | |
975 | ((wstr | |
976 | - (wchar_t *) *strptr) | |
977 | * sizeof (wchar_t))); | |
978 | if (cp != NULL) | |
979 | *strptr = (char *) cp; | |
980 | } | |
981 | strptr = NULL; | |
982 | ||
983 | ++done; | |
984 | } | |
2c6fe0bd | 985 | |
d64b6ad0 UD |
986 | break; |
987 | ||
988 | case L_('s'): /* Read a string. */ | |
989 | if (!(flags & LONG)) | |
990 | { | |
874aa523 | 991 | STRING_ARG (str, char, 100); |
28f540f4 | 992 | |
d64b6ad0 | 993 | c = inchar (); |
694b49ca | 994 | if (__builtin_expect (c == EOF, 0)) |
d64b6ad0 | 995 | input_error (); |
28f540f4 | 996 | |
72acaddf | 997 | #ifdef COMPILE_WSCANF |
d64b6ad0 UD |
998 | memset (&state, '\0', sizeof (state)); |
999 | #endif | |
1000 | ||
1001 | do | |
3867ee64 | 1002 | { |
d64b6ad0 UD |
1003 | if (ISSPACE (c)) |
1004 | { | |
44f8759b | 1005 | ungetc_not_eof (c, s); |
d64b6ad0 UD |
1006 | break; |
1007 | } | |
1008 | ||
72acaddf | 1009 | #ifdef COMPILE_WSCANF |
d64b6ad0 UD |
1010 | /* This is quite complicated. We have to convert the |
1011 | wide characters into multibyte characters and then | |
1012 | store them. */ | |
1013 | { | |
1014 | size_t n; | |
1015 | ||
1016 | if (!(flags & SUPPRESS) && (flags & MALLOC) | |
1017 | && str + MB_CUR_MAX >= *strptr + strsize) | |
1018 | { | |
874aa523 UD |
1019 | /* We have to enlarge the buffer if the `a' or `m' |
1020 | flag was given. */ | |
d90e1b42 UD |
1021 | size_t strleng = str - *strptr; |
1022 | char *newstr; | |
1023 | ||
1024 | newstr = (char *) realloc (*strptr, strsize * 2); | |
1025 | if (newstr == NULL) | |
d64b6ad0 UD |
1026 | { |
1027 | /* Can't allocate that much. Last-ditch | |
1028 | effort. */ | |
d90e1b42 UD |
1029 | newstr = (char *) realloc (*strptr, |
1030 | strleng + MB_CUR_MAX); | |
1031 | if (newstr == NULL) | |
d64b6ad0 | 1032 | { |
267c54dc | 1033 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
1034 | { |
1035 | done = EOF; | |
1036 | goto errout; | |
1037 | } | |
d64b6ad0 UD |
1038 | /* We lose. Oh well. Terminate the |
1039 | string and stop converting, | |
1040 | so at least we don't skip any input. */ | |
d90e1b42 | 1041 | ((char *) (*strptr))[strleng] = '\0'; |
267c54dc | 1042 | strptr = NULL; |
d64b6ad0 UD |
1043 | ++done; |
1044 | conv_error (); | |
1045 | } | |
1046 | else | |
1047 | { | |
d90e1b42 UD |
1048 | *strptr = newstr; |
1049 | str = newstr + strleng; | |
1050 | strsize = strleng + MB_CUR_MAX; | |
d64b6ad0 UD |
1051 | } |
1052 | } | |
1053 | else | |
1054 | { | |
d90e1b42 UD |
1055 | *strptr = newstr; |
1056 | str = newstr + strleng; | |
d64b6ad0 UD |
1057 | strsize *= 2; |
1058 | } | |
1059 | } | |
1060 | ||
4aebaa6b UD |
1061 | n = __wcrtomb (!(flags & SUPPRESS) ? str : NULL, c, |
1062 | &state); | |
694b49ca | 1063 | if (__builtin_expect (n == (size_t) -1, 0)) |
d64b6ad0 UD |
1064 | encode_error (); |
1065 | ||
1066 | assert (n <= MB_CUR_MAX); | |
1067 | str += n; | |
1068 | } | |
1069 | #else | |
1070 | /* This is easy. */ | |
1071 | if (!(flags & SUPPRESS)) | |
1072 | { | |
1073 | *str++ = c; | |
1074 | if ((flags & MALLOC) | |
1075 | && (char *) str == *strptr + strsize) | |
1076 | { | |
1077 | /* Enlarge the buffer. */ | |
1078 | str = (char *) realloc (*strptr, 2 * strsize); | |
1079 | if (str == NULL) | |
1080 | { | |
1081 | /* Can't allocate that much. Last-ditch | |
1082 | effort. */ | |
1083 | str = (char *) realloc (*strptr, strsize + 1); | |
1084 | if (str == NULL) | |
1085 | { | |
267c54dc | 1086 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
1087 | { |
1088 | done = EOF; | |
1089 | goto errout; | |
1090 | } | |
d64b6ad0 UD |
1091 | /* We lose. Oh well. Terminate the |
1092 | string and stop converting, | |
1093 | so at least we don't skip any input. */ | |
1094 | ((char *) (*strptr))[strsize - 1] = '\0'; | |
267c54dc | 1095 | strptr = NULL; |
d64b6ad0 UD |
1096 | ++done; |
1097 | conv_error (); | |
1098 | } | |
1099 | else | |
1100 | { | |
1101 | *strptr = (char *) str; | |
1102 | str += strsize; | |
1103 | ++strsize; | |
1104 | } | |
1105 | } | |
1106 | else | |
1107 | { | |
1108 | *strptr = (char *) str; | |
1109 | str += strsize; | |
1110 | strsize *= 2; | |
1111 | } | |
1112 | } | |
1113 | } | |
1114 | #endif | |
28f540f4 | 1115 | } |
d64b6ad0 | 1116 | while ((width <= 0 || --width > 0) && inchar () != EOF); |
28f540f4 | 1117 | |
d64b6ad0 UD |
1118 | if (!(flags & SUPPRESS)) |
1119 | { | |
72acaddf | 1120 | #ifdef COMPILE_WSCANF |
44f8759b | 1121 | /* We have to emit the code to get into the initial |
d64b6ad0 UD |
1122 | state. */ |
1123 | char buf[MB_LEN_MAX]; | |
4aebaa6b | 1124 | size_t n = __wcrtomb (buf, L'\0', &state); |
d64b6ad0 UD |
1125 | if (n > 0 && (flags & MALLOC) |
1126 | && str + n >= *strptr + strsize) | |
1127 | { | |
1128 | /* Enlarge the buffer. */ | |
d90e1b42 UD |
1129 | size_t strleng = str - *strptr; |
1130 | char *newstr; | |
1131 | ||
1132 | newstr = (char *) realloc (*strptr, strleng + n + 1); | |
1133 | if (newstr == NULL) | |
d64b6ad0 | 1134 | { |
267c54dc | 1135 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
1136 | { |
1137 | done = EOF; | |
1138 | goto errout; | |
1139 | } | |
d64b6ad0 UD |
1140 | /* We lose. Oh well. Terminate the string |
1141 | and stop converting, so at least we don't | |
1142 | skip any input. */ | |
d90e1b42 | 1143 | ((char *) (*strptr))[strleng] = '\0'; |
267c54dc | 1144 | strptr = NULL; |
d64b6ad0 UD |
1145 | ++done; |
1146 | conv_error (); | |
1147 | } | |
1148 | else | |
1149 | { | |
d90e1b42 UD |
1150 | *strptr = newstr; |
1151 | str = newstr + strleng; | |
1152 | strsize = strleng + n + 1; | |
d64b6ad0 UD |
1153 | } |
1154 | } | |
1155 | ||
1156 | str = __mempcpy (str, buf, n); | |
1157 | #endif | |
d90e1b42 | 1158 | *str++ = '\0'; |
d64b6ad0 UD |
1159 | |
1160 | if ((flags & MALLOC) && str - *strptr != strsize) | |
1161 | { | |
1162 | char *cp = (char *) realloc (*strptr, str - *strptr); | |
1163 | if (cp != NULL) | |
1164 | *strptr = cp; | |
1165 | } | |
267c54dc | 1166 | strptr = NULL; |
d64b6ad0 UD |
1167 | |
1168 | ++done; | |
1169 | } | |
1170 | break; | |
28f540f4 | 1171 | } |
d64b6ad0 | 1172 | /* FALLTHROUGH */ |
28f540f4 | 1173 | |
d64b6ad0 | 1174 | case L_('S'): |
2c6fe0bd | 1175 | { |
72acaddf | 1176 | #ifndef COMPILE_WSCANF |
d64b6ad0 UD |
1177 | mbstate_t cstate; |
1178 | #endif | |
1179 | ||
1180 | /* Wide character string. */ | |
874aa523 | 1181 | STRING_ARG (wstr, wchar_t, 100); |
2c6fe0bd | 1182 | |
d64b6ad0 | 1183 | c = inchar (); |
694b49ca | 1184 | if (__builtin_expect (c == EOF, 0)) |
d64b6ad0 UD |
1185 | input_error (); |
1186 | ||
72acaddf | 1187 | #ifndef COMPILE_WSCANF |
d64b6ad0 UD |
1188 | memset (&cstate, '\0', sizeof (cstate)); |
1189 | #endif | |
1190 | ||
2c6fe0bd UD |
1191 | do |
1192 | { | |
d64b6ad0 | 1193 | if (ISSPACE (c)) |
2c6fe0bd | 1194 | { |
44f8759b | 1195 | ungetc_not_eof (c, s); |
2c6fe0bd UD |
1196 | break; |
1197 | } | |
1198 | ||
72acaddf | 1199 | #ifdef COMPILE_WSCANF |
d64b6ad0 UD |
1200 | /* This is easy. */ |
1201 | if (!(flags & SUPPRESS)) | |
1202 | { | |
1203 | *wstr++ = c; | |
1204 | if ((flags & MALLOC) | |
1205 | && wstr == (wchar_t *) *strptr + strsize) | |
1206 | { | |
1207 | /* Enlarge the buffer. */ | |
1208 | wstr = (wchar_t *) realloc (*strptr, | |
1209 | (2 * strsize) | |
1210 | * sizeof (wchar_t)); | |
1211 | if (wstr == NULL) | |
1212 | { | |
1213 | /* Can't allocate that much. Last-ditch | |
874aa523 | 1214 | effort. */ |
d64b6ad0 | 1215 | wstr = (wchar_t *) realloc (*strptr, |
d90e1b42 UD |
1216 | (strsize + 1) |
1217 | * sizeof (wchar_t)); | |
d64b6ad0 UD |
1218 | if (wstr == NULL) |
1219 | { | |
267c54dc | 1220 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
1221 | { |
1222 | done = EOF; | |
1223 | goto errout; | |
1224 | } | |
d64b6ad0 UD |
1225 | /* We lose. Oh well. Terminate the string |
1226 | and stop converting, so at least we don't | |
1227 | skip any input. */ | |
1228 | ((wchar_t *) (*strptr))[strsize - 1] = L'\0'; | |
267c54dc | 1229 | strptr = NULL; |
d64b6ad0 UD |
1230 | ++done; |
1231 | conv_error (); | |
1232 | } | |
1233 | else | |
1234 | { | |
1235 | *strptr = (char *) wstr; | |
1236 | wstr += strsize; | |
1237 | ++strsize; | |
1238 | } | |
1239 | } | |
1240 | else | |
1241 | { | |
1242 | *strptr = (char *) wstr; | |
1243 | wstr += strsize; | |
1244 | strsize *= 2; | |
1245 | } | |
1246 | } | |
1247 | } | |
1248 | #else | |
1249 | { | |
68bd3326 | 1250 | char buf[1]; |
d64b6ad0 UD |
1251 | |
1252 | buf[0] = c; | |
d64b6ad0 UD |
1253 | |
1254 | while (1) | |
1255 | { | |
1256 | size_t n; | |
1257 | ||
1258 | n = __mbrtowc (!(flags & SUPPRESS) ? wstr : NULL, | |
2f278c94 | 1259 | buf, 1, &cstate); |
d64b6ad0 UD |
1260 | |
1261 | if (n == (size_t) -2) | |
1262 | { | |
1263 | /* Possibly correct character, just not enough | |
1264 | input. */ | |
694b49ca | 1265 | if (__builtin_expect (inchar () == EOF, 0)) |
d64b6ad0 UD |
1266 | encode_error (); |
1267 | ||
2f278c94 | 1268 | buf[0] = c; |
d64b6ad0 UD |
1269 | continue; |
1270 | } | |
1271 | ||
694b49ca | 1272 | if (__builtin_expect (n != 1, 0)) |
d64b6ad0 UD |
1273 | encode_error (); |
1274 | ||
1275 | /* We have a match. */ | |
2f278c94 | 1276 | ++wstr; |
d64b6ad0 UD |
1277 | break; |
1278 | } | |
1279 | ||
1280 | if (!(flags & SUPPRESS) && (flags & MALLOC) | |
1281 | && wstr == (wchar_t *) *strptr + strsize) | |
1282 | { | |
1283 | /* Enlarge the buffer. */ | |
1284 | wstr = (wchar_t *) realloc (*strptr, | |
1285 | (2 * strsize | |
1286 | * sizeof (wchar_t))); | |
1287 | if (wstr == NULL) | |
1288 | { | |
1289 | /* Can't allocate that much. Last-ditch effort. */ | |
1290 | wstr = (wchar_t *) realloc (*strptr, | |
1291 | ((strsize + 1) | |
1292 | * sizeof (wchar_t))); | |
1293 | if (wstr == NULL) | |
1294 | { | |
267c54dc | 1295 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
1296 | { |
1297 | done = EOF; | |
1298 | goto errout; | |
1299 | } | |
d64b6ad0 UD |
1300 | /* We lose. Oh well. Terminate the |
1301 | string and stop converting, so at | |
1302 | least we don't skip any input. */ | |
1303 | ((wchar_t *) (*strptr))[strsize - 1] = L'\0'; | |
267c54dc | 1304 | strptr = NULL; |
d64b6ad0 UD |
1305 | ++done; |
1306 | conv_error (); | |
1307 | } | |
1308 | else | |
1309 | { | |
1310 | *strptr = (char *) wstr; | |
1311 | wstr += strsize; | |
1312 | ++strsize; | |
1313 | } | |
1314 | } | |
1315 | else | |
1316 | { | |
1317 | *strptr = (char *) wstr; | |
1318 | wstr += strsize; | |
1319 | strsize *= 2; | |
1320 | } | |
1321 | } | |
1322 | } | |
1323 | #endif | |
2c6fe0bd | 1324 | } |
d64b6ad0 | 1325 | while ((width <= 0 || --width > 0) && inchar () != EOF); |
2c6fe0bd UD |
1326 | |
1327 | if (!(flags & SUPPRESS)) | |
1328 | { | |
d64b6ad0 UD |
1329 | *wstr++ = L'\0'; |
1330 | ||
1331 | if ((flags & MALLOC) && wstr - (wchar_t *) *strptr != strsize) | |
1332 | { | |
1333 | wchar_t *cp = (wchar_t *) realloc (*strptr, | |
1334 | ((wstr | |
1335 | - (wchar_t *) *strptr) | |
1336 | * sizeof(wchar_t))); | |
1337 | if (cp != NULL) | |
1338 | *strptr = (char *) cp; | |
1339 | } | |
267c54dc | 1340 | strptr = NULL; |
d64b6ad0 | 1341 | |
2c6fe0bd UD |
1342 | ++done; |
1343 | } | |
1344 | } | |
1345 | break; | |
1346 | ||
d64b6ad0 UD |
1347 | case L_('x'): /* Hexadecimal integer. */ |
1348 | case L_('X'): /* Ditto. */ | |
28f540f4 | 1349 | base = 16; |
28f540f4 RM |
1350 | goto number; |
1351 | ||
d64b6ad0 | 1352 | case L_('o'): /* Octal integer. */ |
28f540f4 | 1353 | base = 8; |
28f540f4 RM |
1354 | goto number; |
1355 | ||
d64b6ad0 | 1356 | case L_('u'): /* Unsigned decimal integer. */ |
28f540f4 | 1357 | base = 10; |
28f540f4 RM |
1358 | goto number; |
1359 | ||
d64b6ad0 | 1360 | case L_('d'): /* Signed decimal integer. */ |
28f540f4 | 1361 | base = 10; |
3979024a | 1362 | flags |= NUMBER_SIGNED; |
28f540f4 RM |
1363 | goto number; |
1364 | ||
d64b6ad0 | 1365 | case L_('i'): /* Generic number. */ |
28f540f4 | 1366 | base = 0; |
3979024a | 1367 | flags |= NUMBER_SIGNED; |
28f540f4 RM |
1368 | |
1369 | number: | |
14ea22e9 | 1370 | c = inchar (); |
694b49ca | 1371 | if (__builtin_expect (c == EOF, 0)) |
96aa2d94 | 1372 | input_error (); |
28f540f4 RM |
1373 | |
1374 | /* Check for a sign. */ | |
d64b6ad0 | 1375 | if (c == L_('-') || c == L_('+')) |
28f540f4 | 1376 | { |
77a58cad | 1377 | ADDW (c); |
28f540f4 RM |
1378 | if (width > 0) |
1379 | --width; | |
3867ee64 | 1380 | c = inchar (); |
28f540f4 RM |
1381 | } |
1382 | ||
1383 | /* Look for a leading indication of base. */ | |
d64b6ad0 | 1384 | if (width != 0 && c == L_('0')) |
28f540f4 RM |
1385 | { |
1386 | if (width > 0) | |
1387 | --width; | |
28f540f4 | 1388 | |
be10a868 | 1389 | ADDW (c); |
3867ee64 | 1390 | c = inchar (); |
28f540f4 | 1391 | |
d64b6ad0 | 1392 | if (width != 0 && TOLOWER (c) == L_('x')) |
28f540f4 RM |
1393 | { |
1394 | if (base == 0) | |
1395 | base = 16; | |
1396 | if (base == 16) | |
1397 | { | |
1398 | if (width > 0) | |
1399 | --width; | |
3867ee64 | 1400 | c = inchar (); |
28f540f4 RM |
1401 | } |
1402 | } | |
1403 | else if (base == 0) | |
1404 | base = 8; | |
1405 | } | |
1406 | ||
1407 | if (base == 0) | |
1408 | base = 10; | |
1409 | ||
694b49ca | 1410 | if (base == 10 && __builtin_expect ((flags & I18N) != 0, 0)) |
28f540f4 | 1411 | { |
a1d84548 UD |
1412 | int from_level; |
1413 | int to_level; | |
eac4282f | 1414 | int level; |
72acaddf | 1415 | #ifdef COMPILE_WSCANF |
e87f0c33 | 1416 | const wchar_t *wcdigits[10]; |
f448d449 | 1417 | const wchar_t *wcdigits_extended[10]; |
a1d84548 UD |
1418 | #else |
1419 | const char *mbdigits[10]; | |
f448d449 | 1420 | const char *mbdigits_extended[10]; |
a1d84548 | 1421 | #endif |
f448d449 UD |
1422 | /* "to_inpunct" is a map from ASCII digits to their |
1423 | equivalent in locale. This is defined for locales | |
1424 | which use an extra digits set. */ | |
1425 | wctrans_t map = __wctrans ("to_inpunct"); | |
a1d84548 | 1426 | int n; |
05be689b | 1427 | |
a1d84548 | 1428 | from_level = 0; |
72acaddf | 1429 | #ifdef COMPILE_WSCANF |
a1d84548 UD |
1430 | to_level = _NL_CURRENT_WORD (LC_CTYPE, |
1431 | _NL_CTYPE_INDIGITS_WC_LEN) - 1; | |
1432 | #else | |
e3b22ad3 | 1433 | to_level = (uint32_t) curctype->values[_NL_ITEM_INDEX (_NL_CTYPE_INDIGITS_MB_LEN)].word - 1; |
a1d84548 UD |
1434 | #endif |
1435 | ||
f448d449 UD |
1436 | /* Get the alternative digit forms if there are any. */ |
1437 | if (__builtin_expect (map != NULL, 0)) | |
1438 | { | |
1439 | /* Adding new level for extra digits set in locale file. */ | |
1440 | ++to_level; | |
1441 | ||
1442 | for (n = 0; n < 10; ++n) | |
1443 | { | |
1444 | #ifdef COMPILE_WSCANF | |
1445 | wcdigits[n] = (const wchar_t *) | |
f095bb72 | 1446 | _NL_CURRENT (LC_CTYPE, _NL_CTYPE_INDIGITS0_WC + n); |
f448d449 UD |
1447 | |
1448 | wchar_t *wc_extended = (wchar_t *) | |
1449 | alloca ((to_level + 2) * sizeof (wchar_t)); | |
1450 | __wmemcpy (wc_extended, wcdigits[n], to_level); | |
1451 | wc_extended[to_level] = __towctrans (L'0' + n, map); | |
1452 | wc_extended[to_level + 1] = '\0'; | |
1453 | wcdigits_extended[n] = wc_extended; | |
1454 | #else | |
1455 | mbdigits[n] | |
f095bb72 | 1456 | = curctype->values[_NL_CTYPE_INDIGITS0_MB + n].string; |
f448d449 UD |
1457 | |
1458 | /* Get the equivalent wide char in map. */ | |
1459 | wint_t extra_wcdigit = __towctrans (L'0' + n, map); | |
1460 | ||
1461 | /* Convert it to multibyte representation. */ | |
1462 | mbstate_t state; | |
1463 | memset (&state, '\0', sizeof (state)); | |
1464 | ||
1465 | char extra_mbdigit[MB_LEN_MAX]; | |
1466 | size_t mblen | |
1467 | = __wcrtomb (extra_mbdigit, extra_wcdigit, &state); | |
1468 | ||
1469 | if (mblen == (size_t) -1) | |
1470 | { | |
1471 | /* Ignore this new level. */ | |
1472 | map = NULL; | |
1473 | break; | |
1474 | } | |
1475 | ||
1476 | /* Calculate the length of mbdigits[n]. */ | |
1477 | const char *last_char = mbdigits[n]; | |
1478 | for (level = 0; level < to_level; ++level) | |
1479 | last_char = strchr (last_char, '\0') + 1; | |
1480 | ||
1481 | size_t mbdigits_len = last_char - mbdigits[n]; | |
1482 | ||
1483 | /* Allocate memory for extended multibyte digit. */ | |
1484 | char *mb_extended; | |
1485 | mb_extended = (char *) alloca (mbdigits_len + mblen + 1); | |
1486 | ||
1487 | /* And get the mbdigits + extra_digit string. */ | |
1488 | *(char *) __mempcpy (__mempcpy (mb_extended, mbdigits[n], | |
1489 | mbdigits_len), | |
1490 | extra_mbdigit, mblen) = '\0'; | |
1491 | mbdigits_extended[n] = mb_extended; | |
1492 | #endif | |
1493 | } | |
1494 | } | |
1495 | ||
eac4282f UD |
1496 | /* Read the number into workspace. */ |
1497 | while (c != EOF && width != 0) | |
a1d84548 | 1498 | { |
eac4282f UD |
1499 | /* In this round we get the pointer to the digit strings |
1500 | and also perform the first round of comparisons. */ | |
1501 | for (n = 0; n < 10; ++n) | |
1502 | { | |
1503 | /* Get the string for the digits with value N. */ | |
72acaddf | 1504 | #ifdef COMPILE_WSCANF |
f448d449 UD |
1505 | if (__builtin_expect (map != NULL, 0)) |
1506 | wcdigits[n] = wcdigits_extended[n]; | |
1507 | else | |
1508 | wcdigits[n] = (const wchar_t *) | |
1509 | _NL_CURRENT (LC_CTYPE, _NL_CTYPE_INDIGITS0_WC + n); | |
eac4282f | 1510 | wcdigits[n] += from_level; |
a1d84548 | 1511 | |
52a7f7c0 | 1512 | if (c == (wint_t) *wcdigits[n]) |
eac4282f UD |
1513 | { |
1514 | to_level = from_level; | |
1515 | break; | |
1516 | } | |
1517 | ||
1518 | /* Advance the pointer to the next string. */ | |
1519 | ++wcdigits[n]; | |
a1d84548 | 1520 | #else |
eac4282f UD |
1521 | const char *cmpp; |
1522 | int avail = width > 0 ? width : INT_MAX; | |
e87f0c33 | 1523 | |
f448d449 UD |
1524 | if (__builtin_expect (map != NULL, 0)) |
1525 | mbdigits[n] = mbdigits_extended[n]; | |
1526 | else | |
1527 | mbdigits[n] | |
1528 | = curctype->values[_NL_CTYPE_INDIGITS0_MB + n].string; | |
a1d84548 | 1529 | |
eac4282f UD |
1530 | for (level = 0; level < from_level; level++) |
1531 | mbdigits[n] = strchr (mbdigits[n], '\0') + 1; | |
a1d84548 | 1532 | |
eac4282f | 1533 | cmpp = mbdigits[n]; |
ecb72bd5 | 1534 | while ((unsigned char) *cmpp == c && avail >= 0) |
eac4282f UD |
1535 | { |
1536 | if (*++cmpp == '\0') | |
1537 | break; | |
1538 | else | |
1539 | { | |
ecb72bd5 | 1540 | if (avail == 0 || inchar () == EOF) |
eac4282f UD |
1541 | break; |
1542 | --avail; | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | if (*cmpp == '\0') | |
1547 | { | |
1548 | if (width > 0) | |
1549 | width = avail; | |
1550 | to_level = from_level; | |
1551 | break; | |
1552 | } | |
a1d84548 | 1553 | |
eac4282f UD |
1554 | /* We are pushing all read characters back. */ |
1555 | if (cmpp > mbdigits[n]) | |
1556 | { | |
1557 | ungetc (c, s); | |
1558 | while (--cmpp > mbdigits[n]) | |
44f8759b UD |
1559 | ungetc_not_eof ((unsigned char) *cmpp, s); |
1560 | c = (unsigned char) *cmpp; | |
eac4282f UD |
1561 | } |
1562 | ||
1563 | /* Advance the pointer to the next string. */ | |
1564 | mbdigits[n] = strchr (mbdigits[n], '\0') + 1; | |
a1d84548 | 1565 | #endif |
eac4282f | 1566 | } |
a1d84548 | 1567 | |
eac4282f | 1568 | if (n == 10) |
a1d84548 | 1569 | { |
eac4282f UD |
1570 | /* Have not yet found the digit. */ |
1571 | for (level = from_level + 1; level <= to_level; ++level) | |
a1d84548 | 1572 | { |
eac4282f UD |
1573 | /* Search all ten digits of this level. */ |
1574 | for (n = 0; n < 10; ++n) | |
1575 | { | |
72acaddf | 1576 | #ifdef COMPILE_WSCANF |
52a7f7c0 | 1577 | if (c == (wint_t) *wcdigits[n]) |
eac4282f | 1578 | break; |
a1d84548 | 1579 | |
eac4282f UD |
1580 | /* Advance the pointer to the next string. */ |
1581 | ++wcdigits[n]; | |
a1d84548 | 1582 | #else |
eac4282f UD |
1583 | const char *cmpp; |
1584 | int avail = width > 0 ? width : INT_MAX; | |
1585 | ||
1586 | cmpp = mbdigits[n]; | |
ecb72bd5 | 1587 | while ((unsigned char) *cmpp == c && avail >= 0) |
eac4282f UD |
1588 | { |
1589 | if (*++cmpp == '\0') | |
1590 | break; | |
1591 | else | |
1592 | { | |
ecb72bd5 | 1593 | if (avail == 0 || inchar () == EOF) |
eac4282f UD |
1594 | break; |
1595 | --avail; | |
1596 | } | |
1597 | } | |
a1d84548 | 1598 | |
eac4282f UD |
1599 | if (*cmpp == '\0') |
1600 | { | |
1601 | if (width > 0) | |
1602 | width = avail; | |
1603 | break; | |
1604 | } | |
1605 | ||
1606 | /* We are pushing all read characters back. */ | |
1607 | if (cmpp > mbdigits[n]) | |
1608 | { | |
1609 | ungetc (c, s); | |
1610 | while (--cmpp > mbdigits[n]) | |
44f8759b UD |
1611 | ungetc_not_eof ((unsigned char) *cmpp, s); |
1612 | c = (unsigned char) *cmpp; | |
eac4282f UD |
1613 | } |
1614 | ||
1615 | /* Advance the pointer to the next string. */ | |
1616 | mbdigits[n] = strchr (mbdigits[n], '\0') + 1; | |
1617 | #endif | |
1618 | } | |
1619 | ||
1620 | if (n < 10) | |
a1d84548 | 1621 | { |
eac4282f UD |
1622 | /* Found it. */ |
1623 | from_level = level; | |
1624 | to_level = level; | |
1625 | break; | |
a1d84548 | 1626 | } |
eac4282f UD |
1627 | } |
1628 | } | |
a1d84548 | 1629 | |
eac4282f UD |
1630 | if (n < 10) |
1631 | c = L_('0') + n; | |
3979024a | 1632 | else if (flags & GROUP) |
eac4282f UD |
1633 | { |
1634 | /* Try matching against the thousands separator. */ | |
1635 | #ifdef COMPILE_WSCANF | |
1636 | if (c != thousands) | |
1637 | break; | |
1638 | #else | |
1639 | const char *cmpp = thousands; | |
1640 | int avail = width > 0 ? width : INT_MAX; | |
1641 | ||
ecb72bd5 | 1642 | while ((unsigned char) *cmpp == c && avail >= 0) |
eac4282f UD |
1643 | { |
1644 | ADDW (c); | |
1645 | if (*++cmpp == '\0') | |
a1d84548 | 1646 | break; |
eac4282f UD |
1647 | else |
1648 | { | |
ecb72bd5 | 1649 | if (avail == 0 || inchar () == EOF) |
eac4282f UD |
1650 | break; |
1651 | --avail; | |
1652 | } | |
1653 | } | |
a1d84548 | 1654 | |
eac4282f UD |
1655 | if (*cmpp != '\0') |
1656 | { | |
1657 | /* We are pushing all read characters back. */ | |
1658 | if (cmpp > thousands) | |
1659 | { | |
1660 | wpsize -= cmpp - thousands; | |
1661 | ungetc (c, s); | |
1662 | while (--cmpp > thousands) | |
44f8759b UD |
1663 | ungetc_not_eof ((unsigned char) *cmpp, s); |
1664 | c = (unsigned char) *cmpp; | |
eac4282f UD |
1665 | } |
1666 | break; | |
a1d84548 UD |
1667 | } |
1668 | ||
eac4282f UD |
1669 | if (width > 0) |
1670 | width = avail; | |
a1d84548 | 1671 | |
eac4282f UD |
1672 | /* The last thousands character will be added back by |
1673 | the ADDW below. */ | |
1674 | --wpsize; | |
1675 | #endif | |
a1d84548 | 1676 | } |
eac4282f UD |
1677 | else |
1678 | break; | |
a1d84548 | 1679 | |
eac4282f UD |
1680 | ADDW (c); |
1681 | if (width > 0) | |
1682 | --width; | |
a1d84548 | 1683 | |
eac4282f UD |
1684 | c = inchar (); |
1685 | } | |
7752137a | 1686 | } |
a1d84548 UD |
1687 | else |
1688 | /* Read the number into workspace. */ | |
1689 | while (c != EOF && width != 0) | |
1690 | { | |
72acaddf UD |
1691 | if (base == 16) |
1692 | { | |
1693 | if (!ISXDIGIT (c)) | |
1694 | break; | |
1695 | } | |
52a7f7c0 | 1696 | else if (!ISDIGIT (c) || (int) (c - L_('0')) >= base) |
72acaddf | 1697 | { |
3979024a | 1698 | if (base == 10 && (flags & GROUP)) |
72acaddf UD |
1699 | { |
1700 | /* Try matching against the thousands separator. */ | |
1701 | #ifdef COMPILE_WSCANF | |
1702 | if (c != thousands) | |
1703 | break; | |
1704 | #else | |
1705 | const char *cmpp = thousands; | |
1706 | int avail = width > 0 ? width : INT_MAX; | |
1707 | ||
ecb72bd5 | 1708 | while ((unsigned char) *cmpp == c && avail >= 0) |
eac4282f UD |
1709 | { |
1710 | ADDW (c); | |
1711 | if (*++cmpp == '\0') | |
1712 | break; | |
1713 | else | |
1714 | { | |
ecb72bd5 | 1715 | if (avail == 0 || inchar () == EOF) |
eac4282f UD |
1716 | break; |
1717 | --avail; | |
1718 | } | |
1719 | } | |
72acaddf UD |
1720 | |
1721 | if (*cmpp != '\0') | |
1722 | { | |
eac4282f | 1723 | /* We are pushing all read characters back. */ |
72acaddf UD |
1724 | if (cmpp > thousands) |
1725 | { | |
eac4282f | 1726 | wpsize -= cmpp - thousands; |
72acaddf UD |
1727 | ungetc (c, s); |
1728 | while (--cmpp > thousands) | |
44f8759b UD |
1729 | ungetc_not_eof ((unsigned char) *cmpp, s); |
1730 | c = (unsigned char) *cmpp; | |
72acaddf UD |
1731 | } |
1732 | break; | |
1733 | } | |
eac4282f | 1734 | |
72acaddf | 1735 | if (width > 0) |
eac4282f UD |
1736 | width = avail; |
1737 | ||
1738 | /* The last thousands character will be added back by | |
1739 | the ADDW below. */ | |
1740 | --wpsize; | |
72acaddf UD |
1741 | #endif |
1742 | } | |
1743 | else | |
1744 | break; | |
1745 | } | |
a1d84548 UD |
1746 | ADDW (c); |
1747 | if (width > 0) | |
1748 | --width; | |
1749 | ||
1750 | c = inchar (); | |
1751 | } | |
28f540f4 | 1752 | |
a1d84548 UD |
1753 | if (wpsize == 0 |
1754 | || (wpsize == 1 && (wp[0] == L_('+') || wp[0] == L_('-')))) | |
c53a89d4 UD |
1755 | { |
1756 | /* There was no number. If we are supposed to read a pointer | |
1757 | we must recognize "(nil)" as well. */ | |
694b49ca | 1758 | if (__builtin_expect (wpsize == 0 |
4c02bf1a | 1759 | && (flags & READ_POINTER) |
694b49ca UD |
1760 | && (width < 0 || width >= 0) |
1761 | && c == '(' | |
1762 | && TOLOWER (inchar ()) == L_('n') | |
1763 | && TOLOWER (inchar ()) == L_('i') | |
1764 | && TOLOWER (inchar ()) == L_('l') | |
1765 | && inchar () == L_(')'), 1)) | |
c53a89d4 UD |
1766 | /* We must produce the value of a NULL pointer. A single |
1767 | '0' digit is enough. */ | |
d64b6ad0 | 1768 | ADDW (L_('0')); |
c53a89d4 UD |
1769 | else |
1770 | { | |
1771 | /* The last read character is not part of the number | |
1772 | anymore. */ | |
655c0697 | 1773 | ungetc (c, s); |
c53a89d4 UD |
1774 | |
1775 | conv_error (); | |
1776 | } | |
1777 | } | |
1778 | else | |
1779 | /* The just read character is not part of the number anymore. */ | |
655c0697 | 1780 | ungetc (c, s); |
28f540f4 RM |
1781 | |
1782 | /* Convert the number. */ | |
d64b6ad0 | 1783 | ADDW (L_('\0')); |
96d0213e | 1784 | if (need_longlong && (flags & LONGDBL)) |
f0bf9cb9 | 1785 | { |
3979024a | 1786 | if (flags & NUMBER_SIGNED) |
2f6d1f1b | 1787 | num.q = __strtoll_internal (wp, &tw, base, flags & GROUP); |
f0bf9cb9 | 1788 | else |
2f6d1f1b | 1789 | num.uq = __strtoull_internal (wp, &tw, base, flags & GROUP); |
f0bf9cb9 | 1790 | } |
28f540f4 | 1791 | else |
f0bf9cb9 | 1792 | { |
3979024a | 1793 | if (flags & NUMBER_SIGNED) |
0793d348 | 1794 | num.l = __strtol_internal (wp, &tw, base, flags & GROUP); |
f0bf9cb9 | 1795 | else |
0793d348 | 1796 | num.ul = __strtoul_internal (wp, &tw, base, flags & GROUP); |
f0bf9cb9 | 1797 | } |
694b49ca | 1798 | if (__builtin_expect (wp == tw, 0)) |
28f540f4 RM |
1799 | conv_error (); |
1800 | ||
0793d348 | 1801 | if (!(flags & SUPPRESS)) |
28f540f4 | 1802 | { |
3979024a | 1803 | if (flags & NUMBER_SIGNED) |
28f540f4 | 1804 | { |
96d0213e | 1805 | if (need_longlong && (flags & LONGDBL)) |
3979024a | 1806 | *ARG (LONGLONG int *) = num.q; |
859a09cf | 1807 | else if (need_long && (flags & LONG)) |
3979024a | 1808 | *ARG (long int *) = num.l; |
0793d348 | 1809 | else if (flags & SHORT) |
3979024a | 1810 | *ARG (short int *) = (short int) num.l; |
859a09cf | 1811 | else if (!(flags & CHAR)) |
3979024a | 1812 | *ARG (int *) = (int) num.l; |
859a09cf | 1813 | else |
3979024a | 1814 | *ARG (signed char *) = (signed char) num.ul; |
28f540f4 RM |
1815 | } |
1816 | else | |
1817 | { | |
96d0213e | 1818 | if (need_longlong && (flags & LONGDBL)) |
3979024a | 1819 | *ARG (unsigned LONGLONG int *) = num.uq; |
859a09cf | 1820 | else if (need_long && (flags & LONG)) |
3979024a | 1821 | *ARG (unsigned long int *) = num.ul; |
0793d348 | 1822 | else if (flags & SHORT) |
3979024a UD |
1823 | *ARG (unsigned short int *) |
1824 | = (unsigned short int) num.ul; | |
859a09cf | 1825 | else if (!(flags & CHAR)) |
3979024a | 1826 | *ARG (unsigned int *) = (unsigned int) num.ul; |
859a09cf | 1827 | else |
3979024a | 1828 | *ARG (unsigned char *) = (unsigned char) num.ul; |
28f540f4 RM |
1829 | } |
1830 | ++done; | |
1831 | } | |
1832 | break; | |
1833 | ||
d64b6ad0 UD |
1834 | case L_('e'): /* Floating-point numbers. */ |
1835 | case L_('E'): | |
1836 | case L_('f'): | |
233f5f68 | 1837 | case L_('F'): |
d64b6ad0 UD |
1838 | case L_('g'): |
1839 | case L_('G'): | |
1840 | case L_('a'): | |
1841 | case L_('A'): | |
14ea22e9 | 1842 | c = inchar (); |
ac2ca022 UD |
1843 | if (width > 0) |
1844 | --width; | |
694b49ca | 1845 | if (__builtin_expect (c == EOF, 0)) |
96aa2d94 | 1846 | input_error (); |
28f540f4 | 1847 | |
6ecec3b6 | 1848 | got_digit = got_dot = got_e = 0; |
918b198d | 1849 | |
28f540f4 | 1850 | /* Check for a sign. */ |
d64b6ad0 | 1851 | if (c == L_('-') || c == L_('+')) |
28f540f4 | 1852 | { |
d64b6ad0 | 1853 | negative = c == L_('-'); |
694b49ca | 1854 | if (__builtin_expect (width == 0 || inchar () == EOF, 0)) |
28f540f4 | 1855 | /* EOF is only an input error before we read any chars. */ |
96aa2d94 | 1856 | conv_error (); |
28f540f4 RM |
1857 | if (width > 0) |
1858 | --width; | |
1859 | } | |
01cdeca0 RM |
1860 | else |
1861 | negative = 0; | |
28f540f4 | 1862 | |
9b26f5c4 | 1863 | /* Take care for the special arguments "nan" and "inf". */ |
d64b6ad0 | 1864 | if (TOLOWER (c) == L_('n')) |
9b26f5c4 UD |
1865 | { |
1866 | /* Maybe "nan". */ | |
1867 | ADDW (c); | |
694b49ca UD |
1868 | if (__builtin_expect (width == 0 |
1869 | || inchar () == EOF | |
1870 | || TOLOWER (c) != L_('a'), 0)) | |
f4efd068 | 1871 | conv_error (); |
9df54168 UD |
1872 | if (width > 0) |
1873 | --width; | |
9b26f5c4 | 1874 | ADDW (c); |
694b49ca UD |
1875 | if (__builtin_expect (width == 0 |
1876 | || inchar () == EOF | |
1877 | || TOLOWER (c) != L_('n'), 0)) | |
f4efd068 | 1878 | conv_error (); |
9df54168 UD |
1879 | if (width > 0) |
1880 | --width; | |
9b26f5c4 UD |
1881 | ADDW (c); |
1882 | /* It is "nan". */ | |
1883 | goto scan_float; | |
1884 | } | |
d64b6ad0 | 1885 | else if (TOLOWER (c) == L_('i')) |
9b26f5c4 UD |
1886 | { |
1887 | /* Maybe "inf" or "infinity". */ | |
1888 | ADDW (c); | |
694b49ca UD |
1889 | if (__builtin_expect (width == 0 |
1890 | || inchar () == EOF | |
1891 | || TOLOWER (c) != L_('n'), 0)) | |
f4efd068 | 1892 | conv_error (); |
9df54168 UD |
1893 | if (width > 0) |
1894 | --width; | |
9b26f5c4 | 1895 | ADDW (c); |
694b49ca UD |
1896 | if (__builtin_expect (width == 0 |
1897 | || inchar () == EOF | |
1898 | || TOLOWER (c) != L_('f'), 0)) | |
f4efd068 | 1899 | conv_error (); |
9df54168 UD |
1900 | if (width > 0) |
1901 | --width; | |
9b26f5c4 UD |
1902 | ADDW (c); |
1903 | /* It is as least "inf". */ | |
9df54168 | 1904 | if (width != 0 && inchar () != EOF) |
9b26f5c4 | 1905 | { |
d64b6ad0 | 1906 | if (TOLOWER (c) == L_('i')) |
9b26f5c4 | 1907 | { |
9df54168 UD |
1908 | if (width > 0) |
1909 | --width; | |
8d8c6efa | 1910 | /* Now we have to read the rest as well. */ |
9b26f5c4 | 1911 | ADDW (c); |
694b49ca UD |
1912 | if (__builtin_expect (width == 0 |
1913 | || inchar () == EOF | |
1914 | || TOLOWER (c) != L_('n'), 0)) | |
f4efd068 | 1915 | conv_error (); |
9df54168 UD |
1916 | if (width > 0) |
1917 | --width; | |
9b26f5c4 | 1918 | ADDW (c); |
694b49ca UD |
1919 | if (__builtin_expect (width == 0 |
1920 | || inchar () == EOF | |
1921 | || TOLOWER (c) != L_('i'), 0)) | |
f4efd068 | 1922 | conv_error (); |
9df54168 UD |
1923 | if (width > 0) |
1924 | --width; | |
9b26f5c4 | 1925 | ADDW (c); |
694b49ca UD |
1926 | if (__builtin_expect (width == 0 |
1927 | || inchar () == EOF | |
1928 | || TOLOWER (c) != L_('t'), 0)) | |
f4efd068 | 1929 | conv_error (); |
9df54168 UD |
1930 | if (width > 0) |
1931 | --width; | |
9b26f5c4 | 1932 | ADDW (c); |
694b49ca UD |
1933 | if (__builtin_expect (width == 0 |
1934 | || inchar () == EOF | |
1935 | || TOLOWER (c) != L_('y'), 0)) | |
f4efd068 | 1936 | conv_error (); |
9df54168 UD |
1937 | if (width > 0) |
1938 | --width; | |
9b26f5c4 UD |
1939 | ADDW (c); |
1940 | } | |
1941 | else | |
1942 | /* Never mind. */ | |
655c0697 | 1943 | ungetc (c, s); |
9b26f5c4 UD |
1944 | } |
1945 | goto scan_float; | |
1946 | } | |
1947 | ||
d64b6ad0 | 1948 | exp_char = L_('e'); |
9df54168 | 1949 | if (width != 0 && c == L_('0')) |
377a515b | 1950 | { |
63551311 UD |
1951 | ADDW (c); |
1952 | c = inchar (); | |
9df54168 UD |
1953 | if (width > 0) |
1954 | --width; | |
1955 | if (width != 0 && TOLOWER (c) == L_('x')) | |
63551311 UD |
1956 | { |
1957 | /* It is a number in hexadecimal format. */ | |
1958 | ADDW (c); | |
377a515b | 1959 | |
3979024a | 1960 | flags |= HEXA_FLOAT; |
d64b6ad0 | 1961 | exp_char = L_('p'); |
377a515b | 1962 | |
63551311 UD |
1963 | /* Grouping is not allowed. */ |
1964 | flags &= ~GROUP; | |
1965 | c = inchar (); | |
9df54168 UD |
1966 | if (width > 0) |
1967 | --width; | |
63551311 | 1968 | } |
377a515b UD |
1969 | } |
1970 | ||
ac2ca022 | 1971 | while (1) |
28f540f4 | 1972 | { |
d64b6ad0 | 1973 | if (ISDIGIT (c)) |
6ecec3b6 AS |
1974 | { |
1975 | ADDW (c); | |
1976 | got_digit = 1; | |
1977 | } | |
3979024a | 1978 | else if (!got_e && (flags & HEXA_FLOAT) && ISXDIGIT (c)) |
6ecec3b6 AS |
1979 | { |
1980 | ADDW (c); | |
1981 | got_digit = 1; | |
1982 | } | |
377a515b | 1983 | else if (got_e && wp[wpsize - 1] == exp_char |
d64b6ad0 | 1984 | && (c == L_('-') || c == L_('+'))) |
77a58cad | 1985 | ADDW (c); |
6ecec3b6 | 1986 | else if (got_digit && !got_e |
52a7f7c0 | 1987 | && (CHAR_T) TOLOWER (c) == exp_char) |
28f540f4 | 1988 | { |
377a515b | 1989 | ADDW (exp_char); |
28f540f4 RM |
1990 | got_e = got_dot = 1; |
1991 | } | |
28f540f4 | 1992 | else |
377a515b | 1993 | { |
72acaddf UD |
1994 | #ifdef COMPILE_WSCANF |
1995 | if (! got_dot && c == decimal) | |
1996 | { | |
1997 | ADDW (c); | |
1998 | got_dot = 1; | |
1999 | } | |
3979024a | 2000 | else if ((flags & GROUP) != 0 && ! got_dot && c == thousands) |
72acaddf UD |
2001 | ADDW (c); |
2002 | else | |
2003 | { | |
2004 | /* The last read character is not part of the number | |
2005 | anymore. */ | |
2006 | ungetc (c, s); | |
2007 | break; | |
2008 | } | |
2009 | #else | |
2010 | const char *cmpp = decimal; | |
2011 | int avail = width > 0 ? width : INT_MAX; | |
2012 | ||
2013 | if (! got_dot) | |
2014 | { | |
ecb72bd5 | 2015 | while ((unsigned char) *cmpp == c && avail >= 0) |
72acaddf UD |
2016 | if (*++cmpp == '\0') |
2017 | break; | |
2018 | else | |
2019 | { | |
ecb72bd5 | 2020 | if (avail == 0 || inchar () == EOF) |
72acaddf UD |
2021 | break; |
2022 | --avail; | |
2023 | } | |
2024 | } | |
2025 | ||
2026 | if (*cmpp == '\0') | |
2027 | { | |
2028 | /* Add all the characters. */ | |
2029 | for (cmpp = decimal; *cmpp != '\0'; ++cmpp) | |
44f8759b | 2030 | ADDW ((unsigned char) *cmpp); |
72acaddf | 2031 | if (width > 0) |
eac4282f | 2032 | width = avail; |
72acaddf UD |
2033 | got_dot = 1; |
2034 | } | |
2035 | else | |
2036 | { | |
2037 | /* Figure out whether it is a thousands separator. | |
2038 | There is one problem: we possibly read more than | |
2039 | one character. We cannot push them back but since | |
2040 | we know that parts of the `decimal' string matched, | |
2041 | we can compare against it. */ | |
2042 | const char *cmp2p = thousands; | |
2043 | ||
3979024a | 2044 | if ((flags & GROUP) != 0 && ! got_dot) |
72acaddf | 2045 | { |
eb35b097 | 2046 | while (cmp2p - thousands < cmpp - decimal |
72acaddf UD |
2047 | && *cmp2p == decimal[cmp2p - thousands]) |
2048 | ++cmp2p; | |
eb35b097 | 2049 | if (cmp2p - thousands == cmpp - decimal) |
72acaddf | 2050 | { |
ecb72bd5 | 2051 | while ((unsigned char) *cmp2p == c && avail >= 0) |
72acaddf UD |
2052 | if (*++cmp2p == '\0') |
2053 | break; | |
2054 | else | |
2055 | { | |
ecb72bd5 | 2056 | if (avail == 0 || inchar () == EOF) |
72acaddf UD |
2057 | break; |
2058 | --avail; | |
2059 | } | |
2060 | } | |
2061 | } | |
2062 | ||
2063 | if (cmp2p != NULL && *cmp2p == '\0') | |
2064 | { | |
2065 | /* Add all the characters. */ | |
2066 | for (cmpp = thousands; *cmpp != '\0'; ++cmpp) | |
44f8759b | 2067 | ADDW ((unsigned char) *cmpp); |
72acaddf | 2068 | if (width > 0) |
eac4282f | 2069 | width = avail; |
72acaddf UD |
2070 | } |
2071 | else | |
2072 | { | |
2073 | /* The last read character is not part of the number | |
2074 | anymore. */ | |
2075 | ungetc (c, s); | |
2076 | break; | |
2077 | } | |
2078 | } | |
2079 | #endif | |
377a515b | 2080 | } |
ac2ca022 UD |
2081 | |
2082 | if (width == 0 || inchar () == EOF) | |
2083 | break; | |
2084 | ||
28f540f4 RM |
2085 | if (width > 0) |
2086 | --width; | |
01cdeca0 | 2087 | } |
3867ee64 | 2088 | |
ecb72bd5 UD |
2089 | wctrans_t map; |
2090 | if (__builtin_expect ((flags & I18N) != 0, 0) | |
2091 | /* Hexadecimal floats make no sense, fixing localized | |
2092 | digits with ASCII letters. */ | |
3979024a | 2093 | && !(flags & HEXA_FLOAT) |
ecb72bd5 UD |
2094 | /* Minimum requirement. */ |
2095 | && (wpsize == 0 || got_dot) | |
2096 | && (map = __wctrans ("to_inpunct")) != NULL) | |
2097 | { | |
2098 | /* Reget the first character. */ | |
2099 | inchar (); | |
2100 | ||
2101 | /* Localized digits, decimal points, and thousands | |
2102 | separator. */ | |
2103 | wint_t wcdigits[12]; | |
2104 | ||
2105 | /* First get decimal equivalent to check if we read it | |
2106 | or not. */ | |
2107 | wcdigits[11] = __towctrans (L'.', map); | |
2108 | ||
2109 | /* If we have not read any character or have just read | |
f095bb72 UD |
2110 | locale decimal point which matches the decimal point |
2111 | for localized FP numbers, then we may have localized | |
2112 | digits. Note, we test GOT_DOT above. */ | |
ecb72bd5 UD |
2113 | #ifdef COMPILE_WSCANF |
2114 | if (wpsize == 0 || (wpsize == 1 && wcdigits[11] == decimal)) | |
2115 | #else | |
2116 | char mbdigits[12][MB_LEN_MAX + 1]; | |
2117 | ||
2118 | mbstate_t state; | |
2119 | memset (&state, '\0', sizeof (state)); | |
2120 | ||
2121 | bool match_so_far = wpsize == 0; | |
2122 | size_t mblen = __wcrtomb (mbdigits[11], wcdigits[11], &state); | |
2123 | if (mblen != (size_t) -1) | |
2124 | { | |
2125 | mbdigits[11][mblen] = '\0'; | |
2126 | match_so_far |= (wpsize == strlen (decimal) | |
2127 | && strcmp (decimal, mbdigits[11]) == 0); | |
2128 | } | |
2129 | else | |
2130 | { | |
2131 | size_t decimal_len = strlen (decimal); | |
2132 | /* This should always be the case but the data comes | |
2133 | from a file. */ | |
2134 | if (decimal_len <= MB_LEN_MAX) | |
2135 | { | |
2136 | match_so_far |= wpsize == decimal_len; | |
2137 | memcpy (mbdigits[11], decimal, decimal_len + 1); | |
2138 | } | |
2139 | else | |
2140 | match_so_far = false; | |
2141 | } | |
2142 | ||
2143 | if (match_so_far) | |
2144 | #endif | |
2145 | { | |
3979024a UD |
2146 | bool have_locthousands = (flags & GROUP) != 0; |
2147 | ||
ecb72bd5 | 2148 | /* Now get the digits and the thousands-sep equivalents. */ |
f095bb72 | 2149 | for (int n = 0; n < 11; ++n) |
ecb72bd5 UD |
2150 | { |
2151 | if (n < 10) | |
2152 | wcdigits[n] = __towctrans (L'0' + n, map); | |
2153 | else if (n == 10) | |
3979024a UD |
2154 | { |
2155 | wcdigits[10] = __towctrans (L',', map); | |
2156 | have_locthousands &= wcdigits[10] != L'\0'; | |
2157 | } | |
ecb72bd5 UD |
2158 | |
2159 | #ifndef COMPILE_WSCANF | |
2160 | memset (&state, '\0', sizeof (state)); | |
2161 | ||
2162 | size_t mblen = __wcrtomb (mbdigits[n], wcdigits[n], | |
2163 | &state); | |
2164 | if (mblen == (size_t) -1) | |
2165 | { | |
2166 | if (n == 10) | |
2167 | { | |
3979024a | 2168 | if (have_locthousands) |
ecb72bd5 UD |
2169 | { |
2170 | size_t thousands_len = strlen (thousands); | |
2171 | if (thousands_len <= MB_LEN_MAX) | |
2172 | memcpy (mbdigits[10], thousands, | |
2173 | thousands_len + 1); | |
2174 | else | |
2175 | have_locthousands = false; | |
2176 | } | |
2177 | } | |
2178 | else | |
2179 | /* Ignore checking against localized digits. */ | |
2180 | goto no_i18nflt; | |
2181 | } | |
2182 | else | |
2183 | mbdigits[n][mblen] = '\0'; | |
2184 | #endif | |
2185 | } | |
2186 | ||
2187 | /* Start checking against localized digits, if | |
382466e0 | 2188 | conversion is done correctly. */ |
ecb72bd5 UD |
2189 | while (1) |
2190 | { | |
2191 | if (got_e && wp[wpsize - 1] == exp_char | |
2192 | && (c == L_('-') || c == L_('+'))) | |
2193 | ADDW (c); | |
2194 | else if (wpsize > 0 && !got_e | |
2195 | && (CHAR_T) TOLOWER (c) == exp_char) | |
2196 | { | |
2197 | ADDW (exp_char); | |
2198 | got_e = got_dot = 1; | |
2199 | } | |
2200 | else | |
2201 | { | |
2202 | /* Check against localized digits, decimal point, | |
2203 | and thousands separator. */ | |
2204 | int n; | |
2205 | for (n = 0; n < 12; ++n) | |
2206 | { | |
2207 | #ifdef COMPILE_WSCANF | |
2208 | if (c == wcdigits[n]) | |
2209 | { | |
2210 | if (n < 10) | |
2211 | ADDW (L_('0') + n); | |
2212 | else if (n == 11 && !got_dot) | |
2213 | { | |
2214 | ADDW (decimal); | |
2215 | got_dot = 1; | |
2216 | } | |
2217 | else if (n == 10 && have_locthousands | |
2218 | && ! got_dot) | |
2219 | ADDW (thousands); | |
2220 | else | |
2221 | /* The last read character is not part | |
2222 | of the number anymore. */ | |
2223 | n = 12; | |
2224 | ||
2225 | break; | |
2226 | } | |
2227 | #else | |
2228 | const char *cmpp = mbdigits[n]; | |
2229 | int avail = width > 0 ? width : INT_MAX; | |
2230 | ||
2231 | while ((unsigned char) *cmpp == c && avail >= 0) | |
2232 | if (*++cmpp == '\0') | |
2233 | break; | |
2234 | else | |
2235 | { | |
2236 | if (avail == 0 || inchar () == EOF) | |
2237 | break; | |
2238 | --avail; | |
2239 | } | |
2240 | if (*cmpp == '\0') | |
2241 | { | |
2242 | if (width > 0) | |
2243 | width = avail; | |
2244 | ||
2245 | if (n < 10) | |
2246 | ADDW (L_('0') + n); | |
2247 | else if (n == 11 && !got_dot) | |
2248 | { | |
2249 | /* Add all the characters. */ | |
2250 | for (cmpp = decimal; *cmpp != '\0'; | |
2251 | ++cmpp) | |
2252 | ADDW ((unsigned char) *cmpp); | |
2253 | ||
2254 | got_dot = 1; | |
2255 | } | |
2256 | else if (n == 10 && (flags & GROUP) != 0 | |
4c02bf1a | 2257 | && ! got_dot) |
ecb72bd5 UD |
2258 | { |
2259 | /* Add all the characters. */ | |
2260 | for (cmpp = thousands; *cmpp != '\0'; | |
2261 | ++cmpp) | |
2262 | ADDW ((unsigned char) *cmpp); | |
2263 | } | |
2264 | else | |
2265 | /* The last read character is not part | |
2266 | of the number anymore. */ | |
2267 | n = 12; | |
2268 | ||
2269 | break; | |
2270 | } | |
2271 | ||
2272 | /* We are pushing all read characters back. */ | |
2273 | if (cmpp > mbdigits[n]) | |
2274 | { | |
2275 | ungetc (c, s); | |
2276 | while (--cmpp > mbdigits[n]) | |
2277 | ungetc_not_eof ((unsigned char) *cmpp, s); | |
2278 | c = (unsigned char) *cmpp; | |
2279 | } | |
2280 | #endif | |
2281 | } | |
2282 | ||
2283 | if (n >= 12) | |
2284 | { | |
2285 | /* The last read character is not part | |
2286 | of the number anymore. */ | |
2287 | ungetc (c, s); | |
2288 | break; | |
2289 | } | |
2290 | } | |
2291 | ||
2292 | if (width == 0 || inchar () == EOF) | |
2293 | break; | |
2294 | ||
2295 | if (width > 0) | |
2296 | --width; | |
2297 | } | |
2298 | } | |
2299 | ||
2300 | #ifndef COMPILE_WSCANF | |
2301 | no_i18nflt: | |
2302 | ; | |
2303 | #endif | |
2304 | } | |
2305 | ||
377a515b UD |
2306 | /* Have we read any character? If we try to read a number |
2307 | in hexadecimal notation and we have read only the `0x' | |
bd9be679 | 2308 | prefix this is an error. */ |
11bf311e | 2309 | if (__builtin_expect (wpsize == 0 |
bd9be679 | 2310 | || ((flags & HEXA_FLOAT) && wpsize == 2), 0)) |
96aa2d94 | 2311 | conv_error (); |
28f540f4 | 2312 | |
9b26f5c4 | 2313 | scan_float: |
28f540f4 | 2314 | /* Convert the number. */ |
d64b6ad0 | 2315 | ADDW (L_('\0')); |
c6251f03 | 2316 | if ((flags & LONGDBL) && !__ldbl_is_dbl) |
28f540f4 | 2317 | { |
0793d348 RM |
2318 | long double d = __strtold_internal (wp, &tw, flags & GROUP); |
2319 | if (!(flags & SUPPRESS) && tw != wp) | |
01cdeca0 | 2320 | *ARG (long double *) = negative ? -d : d; |
28f540f4 | 2321 | } |
c6251f03 | 2322 | else if (flags & (LONG | LONGDBL)) |
28f540f4 | 2323 | { |
0793d348 RM |
2324 | double d = __strtod_internal (wp, &tw, flags & GROUP); |
2325 | if (!(flags & SUPPRESS) && tw != wp) | |
01cdeca0 | 2326 | *ARG (double *) = negative ? -d : d; |
28f540f4 RM |
2327 | } |
2328 | else | |
2329 | { | |
0793d348 RM |
2330 | float d = __strtof_internal (wp, &tw, flags & GROUP); |
2331 | if (!(flags & SUPPRESS) && tw != wp) | |
01cdeca0 | 2332 | *ARG (float *) = negative ? -d : d; |
28f540f4 RM |
2333 | } |
2334 | ||
694b49ca | 2335 | if (__builtin_expect (tw == wp, 0)) |
28f540f4 RM |
2336 | conv_error (); |
2337 | ||
0793d348 | 2338 | if (!(flags & SUPPRESS)) |
28f540f4 RM |
2339 | ++done; |
2340 | break; | |
2341 | ||
d64b6ad0 | 2342 | case L_('['): /* Character class. */ |
2c6fe0bd | 2343 | if (flags & LONG) |
874aa523 | 2344 | STRING_ARG (wstr, wchar_t, 100); |
2c6fe0bd | 2345 | else |
874aa523 | 2346 | STRING_ARG (str, char, 100); |
28f540f4 | 2347 | |
d64b6ad0 | 2348 | if (*f == L_('^')) |
28f540f4 RM |
2349 | { |
2350 | ++f; | |
2351 | not_in = 1; | |
2352 | } | |
2353 | else | |
2354 | not_in = 0; | |
2355 | ||
d64b6ad0 UD |
2356 | if (width < 0) |
2357 | /* There is no width given so there is also no limit on the | |
2358 | number of characters we read. Therefore we set width to | |
2359 | a very high value to make the algorithm easier. */ | |
2360 | width = INT_MAX; | |
2361 | ||
72acaddf | 2362 | #ifdef COMPILE_WSCANF |
d64b6ad0 UD |
2363 | /* Find the beginning and the end of the scanlist. We are not |
2364 | creating a lookup table since it would have to be too large. | |
2365 | Instead we search each time through the string. This is not | |
2366 | a constant lookup time but who uses this feature deserves to | |
2367 | be punished. */ | |
2368 | tw = (wchar_t *) f; /* Marks the beginning. */ | |
2369 | ||
cc7f258f | 2370 | if (*f == L']') |
d64b6ad0 UD |
2371 | ++f; |
2372 | ||
2373 | while ((fc = *f++) != L'\0' && fc != L']'); | |
2374 | ||
694b49ca | 2375 | if (__builtin_expect (fc == L'\0', 0)) |
d64b6ad0 | 2376 | conv_error (); |
4c6b2202 | 2377 | wchar_t *twend = (wchar_t *) f - 1; |
d64b6ad0 | 2378 | #else |
b17178fc RM |
2379 | /* Fill WP with byte flags indexed by character. |
2380 | We will use this flag map for matching input characters. */ | |
44f8759b | 2381 | if (wpmax < UCHAR_MAX + 1) |
b17178fc | 2382 | { |
44f8759b | 2383 | wpmax = UCHAR_MAX + 1; |
b17178fc RM |
2384 | wp = (char *) alloca (wpmax); |
2385 | } | |
44f8759b | 2386 | memset (wp, '\0', UCHAR_MAX + 1); |
b17178fc RM |
2387 | |
2388 | fc = *f; | |
2389 | if (fc == ']' || fc == '-') | |
2390 | { | |
2391 | /* If ] or - appears before any char in the set, it is not | |
2392 | the terminator or separator, but the first char in the | |
2393 | set. */ | |
2394 | wp[fc] = 1; | |
2395 | ++f; | |
2396 | } | |
02ac66c5 | 2397 | |
28f540f4 | 2398 | while ((fc = *f++) != '\0' && fc != ']') |
3f651a4d | 2399 | if (fc == '-' && *f != '\0' && *f != ']' |
d64b6ad0 UD |
2400 | && (unsigned char) f[-2] <= (unsigned char) *f) |
2401 | { | |
2402 | /* Add all characters from the one before the '-' | |
2403 | up to (but not including) the next format char. */ | |
44f8759b | 2404 | for (fc = (unsigned char) f[-2]; fc < (unsigned char) *f; ++fc) |
d64b6ad0 UD |
2405 | wp[fc] = 1; |
2406 | } | |
2407 | else | |
2408 | /* Add the character to the flag map. */ | |
2409 | wp[fc] = 1; | |
2410 | ||
694b49ca | 2411 | if (__builtin_expect (fc == '\0', 0)) |
d64b6ad0 UD |
2412 | conv_error(); |
2413 | #endif | |
28f540f4 | 2414 | |
2c6fe0bd | 2415 | if (flags & LONG) |
28f540f4 | 2416 | { |
d64b6ad0 | 2417 | size_t now = read_in; |
72acaddf | 2418 | #ifdef COMPILE_WSCANF |
694b49ca | 2419 | if (__builtin_expect (inchar () == WEOF, 0)) |
d64e603a UD |
2420 | input_error (); |
2421 | ||
d64b6ad0 UD |
2422 | do |
2423 | { | |
2424 | wchar_t *runp; | |
2425 | ||
d64b6ad0 UD |
2426 | /* Test whether it's in the scanlist. */ |
2427 | runp = tw; | |
4c6b2202 | 2428 | while (runp < twend) |
d64b6ad0 | 2429 | { |
4c6b2202 UD |
2430 | if (runp[0] == L'-' && runp[1] != '\0' |
2431 | && runp + 1 != twend | |
d64b6ad0 UD |
2432 | && runp != tw |
2433 | && (unsigned int) runp[-1] <= (unsigned int) runp[1]) | |
2434 | { | |
2435 | /* Match against all characters in between the | |
2436 | first and last character of the sequence. */ | |
2437 | wchar_t wc; | |
2438 | ||
cc7f258f | 2439 | for (wc = runp[-1] + 1; wc <= runp[1]; ++wc) |
52a7f7c0 | 2440 | if ((wint_t) wc == c) |
d64b6ad0 UD |
2441 | break; |
2442 | ||
cc7f258f | 2443 | if (wc <= runp[1] && !not_in) |
d64b6ad0 | 2444 | break; |
cc7f258f | 2445 | if (wc <= runp[1] && not_in) |
d64b6ad0 UD |
2446 | { |
2447 | /* The current character is not in the | |
f095bb72 | 2448 | scanset. */ |
73f1b067 | 2449 | ungetc (c, s); |
d64b6ad0 UD |
2450 | goto out; |
2451 | } | |
cc7f258f UD |
2452 | |
2453 | runp += 2; | |
d64b6ad0 UD |
2454 | } |
2455 | else | |
2456 | { | |
52a7f7c0 | 2457 | if ((wint_t) *runp == c && !not_in) |
d64b6ad0 | 2458 | break; |
52a7f7c0 | 2459 | if ((wint_t) *runp == c && not_in) |
d64b6ad0 | 2460 | { |
73f1b067 | 2461 | ungetc (c, s); |
d64b6ad0 UD |
2462 | goto out; |
2463 | } | |
cc7f258f UD |
2464 | |
2465 | ++runp; | |
d64b6ad0 | 2466 | } |
cc7f258f | 2467 | } |
d64b6ad0 | 2468 | |
4c6b2202 | 2469 | if (runp == twend && !not_in) |
cc7f258f | 2470 | { |
73f1b067 | 2471 | ungetc (c, s); |
cc7f258f | 2472 | goto out; |
d64b6ad0 UD |
2473 | } |
2474 | ||
2475 | if (!(flags & SUPPRESS)) | |
2476 | { | |
2477 | *wstr++ = c; | |
2478 | ||
2479 | if ((flags & MALLOC) | |
2480 | && wstr == (wchar_t *) *strptr + strsize) | |
2481 | { | |
2482 | /* Enlarge the buffer. */ | |
2483 | wstr = (wchar_t *) realloc (*strptr, | |
2484 | (2 * strsize) | |
2485 | * sizeof (wchar_t)); | |
2486 | if (wstr == NULL) | |
2487 | { | |
2488 | /* Can't allocate that much. Last-ditch | |
2489 | effort. */ | |
2490 | wstr = (wchar_t *) | |
d90e1b42 UD |
2491 | realloc (*strptr, (strsize + 1) |
2492 | * sizeof (wchar_t)); | |
d64b6ad0 UD |
2493 | if (wstr == NULL) |
2494 | { | |
267c54dc | 2495 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
2496 | { |
2497 | done = EOF; | |
2498 | goto errout; | |
2499 | } | |
d64b6ad0 UD |
2500 | /* We lose. Oh well. Terminate the string |
2501 | and stop converting, so at least we don't | |
2502 | skip any input. */ | |
2503 | ((wchar_t *) (*strptr))[strsize - 1] = L'\0'; | |
267c54dc | 2504 | strptr = NULL; |
d64b6ad0 UD |
2505 | ++done; |
2506 | conv_error (); | |
2507 | } | |
2508 | else | |
2509 | { | |
2510 | *strptr = (char *) wstr; | |
2511 | wstr += strsize; | |
2512 | ++strsize; | |
2513 | } | |
2514 | } | |
2515 | else | |
2516 | { | |
2517 | *strptr = (char *) wstr; | |
2518 | wstr += strsize; | |
2519 | strsize *= 2; | |
2520 | } | |
2521 | } | |
2522 | } | |
2523 | } | |
d64e603a | 2524 | while (--width > 0 && inchar () != WEOF); |
d64b6ad0 UD |
2525 | out: |
2526 | #else | |
2527 | char buf[MB_LEN_MAX]; | |
2528 | size_t cnt = 0; | |
2529 | mbstate_t cstate; | |
2530 | ||
694b49ca | 2531 | if (__builtin_expect (inchar () == EOF, 0)) |
d64e603a UD |
2532 | input_error (); |
2533 | ||
d64b6ad0 | 2534 | memset (&cstate, '\0', sizeof (cstate)); |
2c6fe0bd UD |
2535 | |
2536 | do | |
3867ee64 | 2537 | { |
d64b6ad0 | 2538 | if (wp[c] == not_in) |
2c6fe0bd | 2539 | { |
44f8759b | 2540 | ungetc_not_eof (c, s); |
2c6fe0bd UD |
2541 | break; |
2542 | } | |
d64b6ad0 UD |
2543 | |
2544 | /* This is easy. */ | |
2545 | if (!(flags & SUPPRESS)) | |
2546 | { | |
2547 | size_t n; | |
2548 | ||
2549 | /* Convert it into a wide character. */ | |
bed38142 UD |
2550 | buf[0] = c; |
2551 | n = __mbrtowc (wstr, buf, 1, &cstate); | |
d64b6ad0 UD |
2552 | |
2553 | if (n == (size_t) -2) | |
2554 | { | |
2555 | /* Possibly correct character, just not enough | |
2556 | input. */ | |
bed38142 | 2557 | ++cnt; |
d64b6ad0 | 2558 | assert (cnt < MB_CUR_MAX); |
d64e603a | 2559 | continue; |
d64b6ad0 | 2560 | } |
0f740059 | 2561 | cnt = 0; |
d64b6ad0 | 2562 | |
d64b6ad0 UD |
2563 | ++wstr; |
2564 | if ((flags & MALLOC) | |
2565 | && wstr == (wchar_t *) *strptr + strsize) | |
2566 | { | |
2567 | /* Enlarge the buffer. */ | |
2568 | wstr = (wchar_t *) realloc (*strptr, | |
2569 | (2 * strsize | |
2570 | * sizeof (wchar_t))); | |
2571 | if (wstr == NULL) | |
2572 | { | |
2573 | /* Can't allocate that much. Last-ditch | |
2574 | effort. */ | |
2575 | wstr = (wchar_t *) | |
2576 | realloc (*strptr, ((strsize + 1) | |
2577 | * sizeof (wchar_t))); | |
2578 | if (wstr == NULL) | |
2579 | { | |
267c54dc | 2580 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
2581 | { |
2582 | done = EOF; | |
2583 | goto errout; | |
2584 | } | |
d64b6ad0 UD |
2585 | /* We lose. Oh well. Terminate the |
2586 | string and stop converting, | |
2587 | so at least we don't skip any input. */ | |
2588 | ((wchar_t *) (*strptr))[strsize - 1] = L'\0'; | |
267c54dc | 2589 | strptr = NULL; |
d64b6ad0 UD |
2590 | ++done; |
2591 | conv_error (); | |
2592 | } | |
2593 | else | |
2594 | { | |
2595 | *strptr = (char *) wstr; | |
2596 | wstr += strsize; | |
2597 | ++strsize; | |
2598 | } | |
2599 | } | |
2600 | else | |
2601 | { | |
2602 | *strptr = (char *) wstr; | |
2603 | wstr += strsize; | |
2604 | strsize *= 2; | |
2605 | } | |
2606 | } | |
2607 | } | |
d64e603a UD |
2608 | |
2609 | if (--width <= 0) | |
2610 | break; | |
3867ee64 | 2611 | } |
d64e603a | 2612 | while (inchar () != EOF); |
d64b6ad0 | 2613 | |
694b49ca | 2614 | if (__builtin_expect (cnt != 0, 0)) |
d64b6ad0 UD |
2615 | /* We stopped in the middle of recognizing another |
2616 | character. That's a problem. */ | |
2617 | encode_error (); | |
2618 | #endif | |
3867ee64 | 2619 | |
694b49ca | 2620 | if (__builtin_expect (now == read_in, 0)) |
d64b6ad0 | 2621 | /* We haven't succesfully read any character. */ |
2c6fe0bd | 2622 | conv_error (); |
28f540f4 | 2623 | |
2c6fe0bd UD |
2624 | if (!(flags & SUPPRESS)) |
2625 | { | |
d64b6ad0 UD |
2626 | *wstr++ = L'\0'; |
2627 | ||
2628 | if ((flags & MALLOC) | |
2629 | && wstr - (wchar_t *) *strptr != strsize) | |
2630 | { | |
2631 | wchar_t *cp = (wchar_t *) | |
2632 | realloc (*strptr, ((wstr - (wchar_t *) *strptr) | |
2633 | * sizeof(wchar_t))); | |
2634 | if (cp != NULL) | |
2635 | *strptr = (char *) cp; | |
2636 | } | |
267c54dc | 2637 | strptr = NULL; |
d64b6ad0 | 2638 | |
2c6fe0bd UD |
2639 | ++done; |
2640 | } | |
2641 | } | |
2642 | else | |
28f540f4 | 2643 | { |
d64b6ad0 | 2644 | size_t now = read_in; |
d64e603a | 2645 | |
694b49ca | 2646 | if (__builtin_expect (inchar () == EOF, 0)) |
d64e603a UD |
2647 | input_error (); |
2648 | ||
72acaddf | 2649 | #ifdef COMPILE_WSCANF |
d64b6ad0 UD |
2650 | |
2651 | memset (&state, '\0', sizeof (state)); | |
2652 | ||
2653 | do | |
2654 | { | |
2655 | wchar_t *runp; | |
2656 | size_t n; | |
2657 | ||
d64b6ad0 UD |
2658 | /* Test whether it's in the scanlist. */ |
2659 | runp = tw; | |
4c6b2202 | 2660 | while (runp < twend) |
d64b6ad0 | 2661 | { |
4c6b2202 UD |
2662 | if (runp[0] == L'-' && runp[1] != '\0' |
2663 | && runp + 1 != twend | |
d64b6ad0 UD |
2664 | && runp != tw |
2665 | && (unsigned int) runp[-1] <= (unsigned int) runp[1]) | |
2666 | { | |
2667 | /* Match against all characters in between the | |
2668 | first and last character of the sequence. */ | |
2669 | wchar_t wc; | |
2670 | ||
cc7f258f | 2671 | for (wc = runp[-1] + 1; wc <= runp[1]; ++wc) |
52a7f7c0 | 2672 | if ((wint_t) wc == c) |
d64b6ad0 UD |
2673 | break; |
2674 | ||
cc7f258f | 2675 | if (wc <= runp[1] && !not_in) |
d64b6ad0 | 2676 | break; |
cc7f258f | 2677 | if (wc <= runp[1] && not_in) |
d64b6ad0 UD |
2678 | { |
2679 | /* The current character is not in the | |
f095bb72 | 2680 | scanset. */ |
73f1b067 | 2681 | ungetc (c, s); |
d64b6ad0 UD |
2682 | goto out2; |
2683 | } | |
cc7f258f UD |
2684 | |
2685 | runp += 2; | |
d64b6ad0 UD |
2686 | } |
2687 | else | |
2688 | { | |
52a7f7c0 | 2689 | if ((wint_t) *runp == c && !not_in) |
d64b6ad0 | 2690 | break; |
52a7f7c0 | 2691 | if ((wint_t) *runp == c && not_in) |
d64b6ad0 | 2692 | { |
73f1b067 | 2693 | ungetc (c, s); |
d64b6ad0 UD |
2694 | goto out2; |
2695 | } | |
cc7f258f UD |
2696 | |
2697 | ++runp; | |
d64b6ad0 | 2698 | } |
cc7f258f | 2699 | } |
d64b6ad0 | 2700 | |
4c6b2202 | 2701 | if (runp == twend && !not_in) |
cc7f258f | 2702 | { |
73f1b067 | 2703 | ungetc (c, s); |
cc7f258f | 2704 | goto out2; |
d64b6ad0 UD |
2705 | } |
2706 | ||
2707 | if (!(flags & SUPPRESS)) | |
2708 | { | |
2709 | if ((flags & MALLOC) | |
2710 | && str + MB_CUR_MAX >= *strptr + strsize) | |
2711 | { | |
2712 | /* Enlarge the buffer. */ | |
d90e1b42 UD |
2713 | size_t strleng = str - *strptr; |
2714 | char *newstr; | |
2715 | ||
2716 | newstr = (char *) realloc (*strptr, 2 * strsize); | |
2717 | if (newstr == NULL) | |
d64b6ad0 UD |
2718 | { |
2719 | /* Can't allocate that much. Last-ditch | |
2720 | effort. */ | |
d90e1b42 UD |
2721 | newstr = (char *) realloc (*strptr, |
2722 | strleng + MB_CUR_MAX); | |
2723 | if (newstr == NULL) | |
d64b6ad0 | 2724 | { |
267c54dc | 2725 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
2726 | { |
2727 | done = EOF; | |
2728 | goto errout; | |
2729 | } | |
d64b6ad0 UD |
2730 | /* We lose. Oh well. Terminate the string |
2731 | and stop converting, so at least we don't | |
2732 | skip any input. */ | |
d90e1b42 | 2733 | ((char *) (*strptr))[strleng] = '\0'; |
267c54dc | 2734 | strptr = NULL; |
d64b6ad0 UD |
2735 | ++done; |
2736 | conv_error (); | |
2737 | } | |
2738 | else | |
2739 | { | |
d90e1b42 UD |
2740 | *strptr = newstr; |
2741 | str = newstr + strleng; | |
2742 | strsize = strleng + MB_CUR_MAX; | |
d64b6ad0 UD |
2743 | } |
2744 | } | |
2745 | else | |
2746 | { | |
d90e1b42 UD |
2747 | *strptr = newstr; |
2748 | str = newstr + strleng; | |
d64b6ad0 UD |
2749 | strsize *= 2; |
2750 | } | |
2751 | } | |
2752 | } | |
2753 | ||
4aebaa6b | 2754 | n = __wcrtomb (!(flags & SUPPRESS) ? str : NULL, c, &state); |
694b49ca | 2755 | if (__builtin_expect (n == (size_t) -1, 0)) |
d64b6ad0 UD |
2756 | encode_error (); |
2757 | ||
2758 | assert (n <= MB_CUR_MAX); | |
2759 | str += n; | |
2760 | } | |
d64e603a | 2761 | while (--width > 0 && inchar () != WEOF); |
d64b6ad0 UD |
2762 | out2: |
2763 | #else | |
2c6fe0bd UD |
2764 | do |
2765 | { | |
2766 | if (wp[c] == not_in) | |
2767 | { | |
44f8759b | 2768 | ungetc_not_eof (c, s); |
2c6fe0bd UD |
2769 | break; |
2770 | } | |
d64b6ad0 UD |
2771 | |
2772 | /* This is easy. */ | |
2773 | if (!(flags & SUPPRESS)) | |
2774 | { | |
2775 | *str++ = c; | |
2776 | if ((flags & MALLOC) | |
2777 | && (char *) str == *strptr + strsize) | |
2778 | { | |
2779 | /* Enlarge the buffer. */ | |
e3b22ad3 UD |
2780 | size_t newsize = 2 * strsize; |
2781 | ||
2782 | allocagain: | |
2783 | str = (char *) realloc (*strptr, newsize); | |
d64b6ad0 UD |
2784 | if (str == NULL) |
2785 | { | |
2786 | /* Can't allocate that much. Last-ditch | |
2787 | effort. */ | |
e3b22ad3 | 2788 | if (newsize > strsize + 1) |
d64b6ad0 | 2789 | { |
e3b22ad3 UD |
2790 | newsize = strsize + 1; |
2791 | goto allocagain; | |
d64b6ad0 | 2792 | } |
267c54dc | 2793 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
2794 | { |
2795 | done = EOF; | |
2796 | goto errout; | |
2797 | } | |
e3b22ad3 UD |
2798 | /* We lose. Oh well. Terminate the |
2799 | string and stop converting, | |
2800 | so at least we don't skip any input. */ | |
2801 | ((char *) (*strptr))[strsize - 1] = '\0'; | |
267c54dc | 2802 | strptr = NULL; |
e3b22ad3 UD |
2803 | ++done; |
2804 | conv_error (); | |
d64b6ad0 UD |
2805 | } |
2806 | else | |
2807 | { | |
2808 | *strptr = (char *) str; | |
2809 | str += strsize; | |
e3b22ad3 | 2810 | strsize = newsize; |
d64b6ad0 UD |
2811 | } |
2812 | } | |
2813 | } | |
2c6fe0bd | 2814 | } |
d64e603a | 2815 | while (--width > 0 && inchar () != EOF); |
d64b6ad0 | 2816 | #endif |
2c6fe0bd | 2817 | |
694b49ca | 2818 | if (__builtin_expect (now == read_in, 0)) |
d64b6ad0 | 2819 | /* We haven't succesfully read any character. */ |
2c6fe0bd UD |
2820 | conv_error (); |
2821 | ||
2822 | if (!(flags & SUPPRESS)) | |
2823 | { | |
72acaddf | 2824 | #ifdef COMPILE_WSCANF |
44f8759b | 2825 | /* We have to emit the code to get into the initial |
d64b6ad0 UD |
2826 | state. */ |
2827 | char buf[MB_LEN_MAX]; | |
4aebaa6b | 2828 | size_t n = __wcrtomb (buf, L'\0', &state); |
d64b6ad0 UD |
2829 | if (n > 0 && (flags & MALLOC) |
2830 | && str + n >= *strptr + strsize) | |
2831 | { | |
2832 | /* Enlarge the buffer. */ | |
d90e1b42 UD |
2833 | size_t strleng = str - *strptr; |
2834 | char *newstr; | |
2835 | ||
2836 | newstr = (char *) realloc (*strptr, strleng + n + 1); | |
2837 | if (newstr == NULL) | |
d64b6ad0 | 2838 | { |
267c54dc | 2839 | if (flags & POSIX_MALLOC) |
3f8cc204 UD |
2840 | { |
2841 | done = EOF; | |
2842 | goto errout; | |
2843 | } | |
d64b6ad0 UD |
2844 | /* We lose. Oh well. Terminate the string |
2845 | and stop converting, so at least we don't | |
2846 | skip any input. */ | |
d90e1b42 | 2847 | ((char *) (*strptr))[strleng] = '\0'; |
267c54dc | 2848 | strptr = NULL; |
d64b6ad0 UD |
2849 | ++done; |
2850 | conv_error (); | |
2851 | } | |
2852 | else | |
2853 | { | |
d90e1b42 UD |
2854 | *strptr = newstr; |
2855 | str = newstr + strleng; | |
2856 | strsize = strleng + n + 1; | |
d64b6ad0 UD |
2857 | } |
2858 | } | |
2859 | ||
2860 | str = __mempcpy (str, buf, n); | |
2861 | #endif | |
d90e1b42 | 2862 | *str++ = '\0'; |
d64b6ad0 UD |
2863 | |
2864 | if ((flags & MALLOC) && str - *strptr != strsize) | |
2865 | { | |
2866 | char *cp = (char *) realloc (*strptr, str - *strptr); | |
2867 | if (cp != NULL) | |
2868 | *strptr = cp; | |
2869 | } | |
267c54dc | 2870 | strptr = NULL; |
d64b6ad0 | 2871 | |
2c6fe0bd UD |
2872 | ++done; |
2873 | } | |
28f540f4 RM |
2874 | } |
2875 | break; | |
2876 | ||
d64b6ad0 | 2877 | case L_('p'): /* Generic pointer. */ |
28f540f4 RM |
2878 | base = 16; |
2879 | /* A PTR must be the same size as a `long int'. */ | |
0793d348 | 2880 | flags &= ~(SHORT|LONGDBL); |
859a09cf UD |
2881 | if (need_long) |
2882 | flags |= LONG; | |
4c02bf1a | 2883 | flags |= READ_POINTER; |
28f540f4 | 2884 | goto number; |
47b856a9 UD |
2885 | |
2886 | default: | |
2887 | /* If this is an unknown format character punt. */ | |
27658f20 | 2888 | conv_error (); |
28f540f4 RM |
2889 | } |
2890 | } | |
2891 | ||
14ea22e9 | 2892 | /* The last thing we saw int the format string was a white space. |
05be689b RM |
2893 | Consume the last white spaces. */ |
2894 | if (skip_space) | |
3867ee64 RM |
2895 | { |
2896 | do | |
2897 | c = inchar (); | |
655c0697 | 2898 | while (ISSPACE (c)); |
3867ee64 RM |
2899 | ungetc (c, s); |
2900 | } | |
05be689b | 2901 | |
e3b22ad3 | 2902 | errout: |
7c713e28 | 2903 | /* Unlock stream. */ |
c0fb8a56 | 2904 | UNLOCK_STREAM (s); |
aa1075ea | 2905 | |
3f8cc204 UD |
2906 | if (use_malloc) |
2907 | free (wp); | |
2908 | ||
e3b22ad3 UD |
2909 | if (errp != NULL) |
2910 | *errp |= errval; | |
2911 | ||
3f8cc204 | 2912 | if (__builtin_expect (done == EOF, 0)) |
267c54dc | 2913 | { |
267c54dc UD |
2914 | if (__builtin_expect (ptrs_to_free != NULL, 0)) |
2915 | { | |
2916 | struct ptrs_to_free *p = ptrs_to_free; | |
2917 | while (p != NULL) | |
2918 | { | |
2919 | for (size_t cnt = 0; cnt < p->count; ++cnt) | |
2920 | { | |
2921 | free (*p->ptrs[cnt]); | |
2922 | *p->ptrs[cnt] = NULL; | |
2923 | } | |
2924 | p = p->next; | |
267c54dc UD |
2925 | ptrs_to_free = p; |
2926 | } | |
2927 | } | |
267c54dc UD |
2928 | } |
2929 | else if (__builtin_expect (strptr != NULL, 0)) | |
2930 | { | |
2931 | free (*strptr); | |
2932 | *strptr = NULL; | |
2933 | } | |
3867ee64 | 2934 | return done; |
28f540f4 RM |
2935 | } |
2936 | ||
e3b22ad3 | 2937 | #ifdef COMPILE_WSCANF |
d64b6ad0 UD |
2938 | int |
2939 | __vfwscanf (FILE *s, const wchar_t *format, va_list argptr) | |
2940 | { | |
2941 | return _IO_vfwscanf (s, format, argptr, NULL); | |
2942 | } | |
c6251f03 | 2943 | ldbl_weak_alias (__vfwscanf, vfwscanf) |
e3b22ad3 | 2944 | #else |
b2518f55 | 2945 | int |
c6251f03 | 2946 | ___vfscanf (FILE *s, const char *format, va_list argptr) |
b2518f55 | 2947 | { |
c6251f03 | 2948 | return _IO_vfscanf_internal (s, format, argptr, NULL); |
b2518f55 | 2949 | } |
c6251f03 | 2950 | ldbl_strong_alias (_IO_vfscanf_internal, _IO_vfscanf) |
d18ea0c5 | 2951 | ldbl_hidden_def (_IO_vfscanf_internal, _IO_vfscanf) |
c6251f03 RM |
2952 | ldbl_strong_alias (___vfscanf, __vfscanf) |
2953 | ldbl_hidden_def (___vfscanf, __vfscanf) | |
2954 | ldbl_weak_alias (___vfscanf, vfscanf) | |
d64b6ad0 | 2955 | #endif |