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a784e502 | 1 | /* Copyright (C) 1993, 1997-2003,2004,2005,2006,2007,2012 |
c6251f03 | 2 | Free Software Foundation, Inc. |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
40a55d20 | 4 | |
41bdb6e2 AJ |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
40a55d20 | 9 | |
41bdb6e2 AJ |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
40a55d20 | 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
41bdb6e2 AJ |
13 | Lesser General Public License for more details. |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. | |
19 | ||
20 | As a special exception, if you link the code in this file with | |
21 | files compiled with a GNU compiler to produce an executable, | |
22 | that does not cause the resulting executable to be covered by | |
23 | the GNU Lesser General Public License. This exception does not | |
24 | however invalidate any other reasons why the executable file | |
25 | might be covered by the GNU Lesser General Public License. | |
26 | This exception applies to code released by its copyright holders | |
27 | in files containing the exception. */ | |
96aa2d94 RM |
28 | |
29 | #include <errno.h> | |
a2b08ee5 UD |
30 | #ifndef __set_errno |
31 | # define __set_errno(Val) errno = (Val) | |
32 | #endif | |
33 | #if defined __GLIBC__ && __GLIBC__ >= 2 | |
34 | # include <bits/libc-lock.h> | |
35 | #else | |
36 | /*# include <comthread.h>*/ | |
37 | #endif | |
96aa2d94 | 38 | |
c6251f03 RM |
39 | #include <math_ldbl_opt.h> |
40 | ||
96aa2d94 RM |
41 | #include "iolibio.h" |
42 | ||
77fe0b9c UD |
43 | /* Control of exported symbols. Used in glibc. By default we don't |
44 | do anything. */ | |
45 | #ifndef INTUSE | |
46 | # define INTUSE(name) name | |
47 | #endif | |
48 | #ifndef INTDEF | |
49 | # define INTDEF(name) | |
50 | #endif | |
51 | #ifndef INTDEF2 | |
52 | # define INTDEF2(name) | |
53 | #endif | |
37ba7d66 UD |
54 | #ifndef libc_hidden_proto |
55 | # define libc_hidden_proto(name) | |
56 | #endif | |
57 | #ifndef libc_hidden_def | |
58 | # define libc_hidden_def(name) | |
59 | #endif | |
60 | #ifndef libc_hidden_weak | |
61 | # define libc_hidden_weak(name) | |
62 | #endif | |
63 | ||
4547c1a4 UD |
64 | #ifdef __cplusplus |
65 | extern "C" { | |
66 | #endif | |
96aa2d94 RM |
67 | |
68 | #define _IO_seek_set 0 | |
69 | #define _IO_seek_cur 1 | |
70 | #define _IO_seek_end 2 | |
71 | ||
f65fd747 UD |
72 | /* THE JUMPTABLE FUNCTIONS. |
73 | ||
74 | * The _IO_FILE type is used to implement the FILE type in GNU libc, | |
75 | * as well as the streambuf class in GNU iostreams for C++. | |
76 | * These are all the same, just used differently. | |
77 | * An _IO_FILE (or FILE) object is allows followed by a pointer to | |
78 | * a jump table (of pointers to functions). The pointer is accessed | |
79 | * with the _IO_JUMPS macro. The jump table has a eccentric format, | |
80 | * so as to be compatible with the layout of a C++ virtual function table. | |
6d52618b | 81 | * (as implemented by g++). When a pointer to a streambuf object is |
f65fd747 UD |
82 | * coerced to an (_IO_FILE*), then _IO_JUMPS on the result just |
83 | * happens to point to the virtual function table of the streambuf. | |
84 | * Thus the _IO_JUMPS function table used for C stdio/libio does | |
6d52618b | 85 | * double duty as the virtual function table for C++ streambuf. |
f65fd747 UD |
86 | * |
87 | * The entries in the _IO_JUMPS function table (and hence also the | |
88 | * virtual functions of a streambuf) are described below. | |
89 | * The first parameter of each function entry is the _IO_FILE/streambuf | |
90 | * object being acted on (i.e. the 'this' parameter). | |
91 | */ | |
96aa2d94 | 92 | |
00404a96 RM |
93 | #ifdef _LIBC |
94 | # include <shlib-compat.h> | |
95 | # if !SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) | |
96 | /* Setting this macro disables the use of the _vtable_offset | |
97 | bias in _IO_JUMPS_FUNCS, below. That is only needed if we | |
98 | want to support old binaries (see oldfileops.c). */ | |
99 | # define _G_IO_NO_BACKWARD_COMPAT 1 | |
100 | # endif | |
101 | #endif | |
102 | ||
bd355af0 UD |
103 | #if (!defined _IO_USE_OLD_IO_FILE \ |
104 | && (!defined _G_IO_NO_BACKWARD_COMPAT || _G_IO_NO_BACKWARD_COMPAT == 0)) | |
105 | # define _IO_JUMPS_OFFSET 1 | |
106 | #endif | |
107 | ||
2ca8b1ee | 108 | #define _IO_JUMPS(THIS) (THIS)->vtable |
d64b6ad0 | 109 | #define _IO_WIDE_JUMPS(THIS) ((struct _IO_FILE *) (THIS))->_wide_data->_wide_vtable |
7163e69e UD |
110 | #define _IO_CHECK_WIDE(THIS) (((struct _IO_FILE *) (THIS))->_wide_data != NULL) |
111 | ||
bd355af0 UD |
112 | #if _IO_JUMPS_OFFSET |
113 | # define _IO_JUMPS_FUNC(THIS) \ | |
2ca8b1ee | 114 | (*(struct _IO_jump_t **) ((void *) &_IO_JUMPS ((struct _IO_FILE_plus *) (THIS)) \ |
bd355af0 | 115 | + (THIS)->_vtable_offset)) |
bbdef797 | 116 | # define _IO_vtable_offset(THIS) (THIS)->_vtable_offset |
bd355af0 | 117 | #else |
2ca8b1ee | 118 | # define _IO_JUMPS_FUNC(THIS) _IO_JUMPS ((struct _IO_FILE_plus *) (THIS)) |
bbdef797 | 119 | # define _IO_vtable_offset(THIS) 0 |
bd355af0 | 120 | #endif |
6e06ae59 | 121 | #define _IO_WIDE_JUMPS_FUNC(THIS) _IO_WIDE_JUMPS(THIS) |
f65fd747 | 122 | #ifdef _G_USING_THUNKS |
40a55d20 | 123 | # define JUMP_FIELD(TYPE, NAME) TYPE NAME |
6b87a564 UD |
124 | # define JUMP0(FUNC, THIS) (_IO_JUMPS_FUNC(THIS)->FUNC) (THIS) |
125 | # define JUMP1(FUNC, THIS, X1) (_IO_JUMPS_FUNC(THIS)->FUNC) (THIS, X1) | |
126 | # define JUMP2(FUNC, THIS, X1, X2) (_IO_JUMPS_FUNC(THIS)->FUNC) (THIS, X1, X2) | |
127 | # define JUMP3(FUNC, THIS, X1,X2,X3) (_IO_JUMPS_FUNC(THIS)->FUNC) (THIS, X1,X2, X3) | |
40a55d20 UD |
128 | # define JUMP_INIT(NAME, VALUE) VALUE |
129 | # define JUMP_INIT_DUMMY JUMP_INIT(dummy, 0), JUMP_INIT (dummy2, 0) | |
6e06ae59 | 130 | |
6b87a564 UD |
131 | # define WJUMP0(FUNC, THIS) (_IO_WIDE_JUMPS_FUNC(THIS)->FUNC) (THIS) |
132 | # define WJUMP1(FUNC, THIS, X1) (_IO_WIDE_JUMPS_FUNC(THIS)->FUNC) (THIS, X1) | |
133 | # define WJUMP2(FUNC, THIS, X1, X2) (_IO_WIDE_JUMPS_FUNC(THIS)->FUNC) (THIS, X1, X2) | |
134 | # define WJUMP3(FUNC, THIS, X1,X2,X3) (_IO_WIDE_JUMPS_FUNC(THIS)->FUNC) (THIS, X1,X2, X3) | |
96aa2d94 | 135 | #else |
f65fd747 | 136 | /* These macros will change when we re-implement vtables to use "thunks"! */ |
40a55d20 | 137 | # define JUMP_FIELD(TYPE, NAME) struct { short delta1, delta2; TYPE pfn; } NAME |
bd355af0 UD |
138 | # define JUMP0(FUNC, THIS) _IO_JUMPS_FUNC(THIS)->FUNC.pfn (THIS) |
139 | # define JUMP1(FUNC, THIS, X1) _IO_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1) | |
140 | # define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1, X2) | |
141 | # define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1,X2,X3) | |
40a55d20 UD |
142 | # define JUMP_INIT(NAME, VALUE) {0, 0, VALUE} |
143 | # define JUMP_INIT_DUMMY JUMP_INIT(dummy, 0) | |
6e06ae59 UD |
144 | |
145 | # define WJUMP0(FUNC, THIS) _IO_WIDE_JUMPS_FUNC(THIS)->FUNC.pfn (THIS) | |
146 | # define WJUMP1(FUNC, THIS, X1) _IO_WIDE_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1) | |
147 | # define WJUMP2(FUNC, THIS, X1, X2) _IO_WIDE_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1, X2) | |
148 | # define WJUMP3(FUNC, THIS, X1,X2,X3) _IO_WIDE_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1,X2,X3) | |
f65fd747 | 149 | #endif |
96aa2d94 | 150 | |
f65fd747 | 151 | /* The 'finish' function does any final cleaning up of an _IO_FILE object. |
110215a9 | 152 | It does not delete (free) it, but does everything else to finalize it. |
f65fd747 | 153 | It matches the streambuf::~streambuf virtual destructor. */ |
79937577 | 154 | typedef void (*_IO_finish_t) (_IO_FILE *, int); /* finalize */ |
40a55d20 | 155 | #define _IO_FINISH(FP) JUMP1 (__finish, FP, 0) |
6e06ae59 | 156 | #define _IO_WFINISH(FP) WJUMP1 (__finish, FP, 0) |
f65fd747 UD |
157 | |
158 | /* The 'overflow' hook flushes the buffer. | |
159 | The second argument is a character, or EOF. | |
160 | It matches the streambuf::overflow virtual function. */ | |
79937577 | 161 | typedef int (*_IO_overflow_t) (_IO_FILE *, int); |
40a55d20 | 162 | #define _IO_OVERFLOW(FP, CH) JUMP1 (__overflow, FP, CH) |
6e06ae59 | 163 | #define _IO_WOVERFLOW(FP, CH) WJUMP1 (__overflow, FP, CH) |
f65fd747 UD |
164 | |
165 | /* The 'underflow' hook tries to fills the get buffer. | |
166 | It returns the next character (as an unsigned char) or EOF. The next | |
6d52618b | 167 | character remains in the get buffer, and the get position is not changed. |
f65fd747 | 168 | It matches the streambuf::underflow virtual function. */ |
79937577 | 169 | typedef int (*_IO_underflow_t) (_IO_FILE *); |
40a55d20 | 170 | #define _IO_UNDERFLOW(FP) JUMP0 (__underflow, FP) |
6e06ae59 | 171 | #define _IO_WUNDERFLOW(FP) WJUMP0 (__underflow, FP) |
f65fd747 UD |
172 | |
173 | /* The 'uflow' hook returns the next character in the input stream | |
174 | (cast to unsigned char), and increments the read position; | |
175 | EOF is returned on failure. | |
176 | It matches the streambuf::uflow virtual function, which is not in the | |
177 | cfront implementation, but was added to C++ by the ANSI/ISO committee. */ | |
40a55d20 | 178 | #define _IO_UFLOW(FP) JUMP0 (__uflow, FP) |
6e06ae59 | 179 | #define _IO_WUFLOW(FP) WJUMP0 (__uflow, FP) |
f65fd747 UD |
180 | |
181 | /* The 'pbackfail' hook handles backing up. | |
182 | It matches the streambuf::pbackfail virtual function. */ | |
79937577 | 183 | typedef int (*_IO_pbackfail_t) (_IO_FILE *, int); |
40a55d20 | 184 | #define _IO_PBACKFAIL(FP, CH) JUMP1 (__pbackfail, FP, CH) |
6e06ae59 | 185 | #define _IO_WPBACKFAIL(FP, CH) WJUMP1 (__pbackfail, FP, CH) |
f65fd747 UD |
186 | |
187 | /* The 'xsputn' hook writes upto N characters from buffer DATA. | |
188 | Returns the number of character actually written. | |
189 | It matches the streambuf::xsputn virtual function. */ | |
79937577 UD |
190 | typedef _IO_size_t (*_IO_xsputn_t) (_IO_FILE *FP, const void *DATA, |
191 | _IO_size_t N); | |
40a55d20 | 192 | #define _IO_XSPUTN(FP, DATA, N) JUMP2 (__xsputn, FP, DATA, N) |
6e06ae59 | 193 | #define _IO_WXSPUTN(FP, DATA, N) WJUMP2 (__xsputn, FP, DATA, N) |
f65fd747 UD |
194 | |
195 | /* The 'xsgetn' hook reads upto N characters into buffer DATA. | |
196 | Returns the number of character actually read. | |
197 | It matches the streambuf::xsgetn virtual function. */ | |
79937577 | 198 | typedef _IO_size_t (*_IO_xsgetn_t) (_IO_FILE *FP, void *DATA, _IO_size_t N); |
40a55d20 | 199 | #define _IO_XSGETN(FP, DATA, N) JUMP2 (__xsgetn, FP, DATA, N) |
6e06ae59 | 200 | #define _IO_WXSGETN(FP, DATA, N) WJUMP2 (__xsgetn, FP, DATA, N) |
f65fd747 UD |
201 | |
202 | /* The 'seekoff' hook moves the stream position to a new position | |
203 | relative to the start of the file (if DIR==0), the current position | |
204 | (MODE==1), or the end of the file (MODE==2). | |
205 | It matches the streambuf::seekoff virtual function. | |
206 | It is also used for the ANSI fseek function. */ | |
79937577 UD |
207 | typedef _IO_off64_t (*_IO_seekoff_t) (_IO_FILE *FP, _IO_off64_t OFF, int DIR, |
208 | int MODE); | |
40a55d20 | 209 | #define _IO_SEEKOFF(FP, OFF, DIR, MODE) JUMP3 (__seekoff, FP, OFF, DIR, MODE) |
6e06ae59 | 210 | #define _IO_WSEEKOFF(FP, OFF, DIR, MODE) WJUMP3 (__seekoff, FP, OFF, DIR, MODE) |
f65fd747 UD |
211 | |
212 | /* The 'seekpos' hook also moves the stream position, | |
dfd2257a | 213 | but to an absolute position given by a fpos64_t (seekpos). |
f65fd747 UD |
214 | It matches the streambuf::seekpos virtual function. |
215 | It is also used for the ANSI fgetpos and fsetpos functions. */ | |
216 | /* The _IO_seek_cur and _IO_seek_end options are not allowed. */ | |
79937577 | 217 | typedef _IO_off64_t (*_IO_seekpos_t) (_IO_FILE *, _IO_off64_t, int); |
40a55d20 | 218 | #define _IO_SEEKPOS(FP, POS, FLAGS) JUMP2 (__seekpos, FP, POS, FLAGS) |
6e06ae59 | 219 | #define _IO_WSEEKPOS(FP, POS, FLAGS) WJUMP2 (__seekpos, FP, POS, FLAGS) |
f65fd747 UD |
220 | |
221 | /* The 'setbuf' hook gives a buffer to the file. | |
222 | It matches the streambuf::setbuf virtual function. */ | |
79937577 | 223 | typedef _IO_FILE* (*_IO_setbuf_t) (_IO_FILE *, char *, _IO_ssize_t); |
40a55d20 | 224 | #define _IO_SETBUF(FP, BUFFER, LENGTH) JUMP2 (__setbuf, FP, BUFFER, LENGTH) |
6e06ae59 | 225 | #define _IO_WSETBUF(FP, BUFFER, LENGTH) WJUMP2 (__setbuf, FP, BUFFER, LENGTH) |
f65fd747 UD |
226 | |
227 | /* The 'sync' hook attempts to synchronize the internal data structures | |
228 | of the file with the external state. | |
229 | It matches the streambuf::sync virtual function. */ | |
79937577 | 230 | typedef int (*_IO_sync_t) (_IO_FILE *); |
40a55d20 | 231 | #define _IO_SYNC(FP) JUMP0 (__sync, FP) |
6e06ae59 | 232 | #define _IO_WSYNC(FP) WJUMP0 (__sync, FP) |
f65fd747 UD |
233 | |
234 | /* The 'doallocate' hook is used to tell the file to allocate a buffer. | |
235 | It matches the streambuf::doallocate virtual function, which is not | |
236 | in the ANSI/ISO C++ standard, but is part traditional implementations. */ | |
79937577 | 237 | typedef int (*_IO_doallocate_t) (_IO_FILE *); |
40a55d20 | 238 | #define _IO_DOALLOCATE(FP) JUMP0 (__doallocate, FP) |
6e06ae59 | 239 | #define _IO_WDOALLOCATE(FP) WJUMP0 (__doallocate, FP) |
f65fd747 UD |
240 | |
241 | /* The following four hooks (sysread, syswrite, sysclose, sysseek, and | |
242 | sysstat) are low-level hooks specific to this implementation. | |
6d52618b | 243 | There is no correspondence in the ANSI/ISO C++ standard library. |
f65fd747 UD |
244 | The hooks basically correspond to the Unix system functions |
245 | (read, write, close, lseek, and stat) except that a _IO_FILE* | |
246 | parameter is used instead of a integer file descriptor; the default | |
247 | implementation used for normal files just calls those functions. | |
248 | The advantage of overriding these functions instead of the higher-level | |
249 | ones (underflow, overflow etc) is that you can leave all the buffering | |
250 | higher-level functions. */ | |
251 | ||
252 | /* The 'sysread' hook is used to read data from the external file into | |
253 | an existing buffer. It generalizes the Unix read(2) function. | |
254 | It matches the streambuf::sys_read virtual function, which is | |
6d52618b | 255 | specific to this implementation. */ |
79937577 | 256 | typedef _IO_ssize_t (*_IO_read_t) (_IO_FILE *, void *, _IO_ssize_t); |
40a55d20 | 257 | #define _IO_SYSREAD(FP, DATA, LEN) JUMP2 (__read, FP, DATA, LEN) |
6e06ae59 | 258 | #define _IO_WSYSREAD(FP, DATA, LEN) WJUMP2 (__read, FP, DATA, LEN) |
f65fd747 UD |
259 | |
260 | /* The 'syswrite' hook is used to write data from an existing buffer | |
261 | to an external file. It generalizes the Unix write(2) function. | |
262 | It matches the streambuf::sys_write virtual function, which is | |
6d52618b | 263 | specific to this implementation. */ |
79937577 | 264 | typedef _IO_ssize_t (*_IO_write_t) (_IO_FILE *, const void *, _IO_ssize_t); |
40a55d20 | 265 | #define _IO_SYSWRITE(FP, DATA, LEN) JUMP2 (__write, FP, DATA, LEN) |
6e06ae59 | 266 | #define _IO_WSYSWRITE(FP, DATA, LEN) WJUMP2 (__write, FP, DATA, LEN) |
f65fd747 UD |
267 | |
268 | /* The 'sysseek' hook is used to re-position an external file. | |
269 | It generalizes the Unix lseek(2) function. | |
270 | It matches the streambuf::sys_seek virtual function, which is | |
6d52618b | 271 | specific to this implementation. */ |
79937577 | 272 | typedef _IO_off64_t (*_IO_seek_t) (_IO_FILE *, _IO_off64_t, int); |
40a55d20 | 273 | #define _IO_SYSSEEK(FP, OFFSET, MODE) JUMP2 (__seek, FP, OFFSET, MODE) |
6e06ae59 | 274 | #define _IO_WSYSSEEK(FP, OFFSET, MODE) WJUMP2 (__seek, FP, OFFSET, MODE) |
f65fd747 UD |
275 | |
276 | /* The 'sysclose' hook is used to finalize (close, finish up) an | |
277 | external file. It generalizes the Unix close(2) function. | |
278 | It matches the streambuf::sys_close virtual function, which is | |
279 | specific to this implementation. */ | |
79937577 | 280 | typedef int (*_IO_close_t) (_IO_FILE *); /* finalize */ |
40a55d20 | 281 | #define _IO_SYSCLOSE(FP) JUMP0 (__close, FP) |
6e06ae59 | 282 | #define _IO_WSYSCLOSE(FP) WJUMP0 (__close, FP) |
f65fd747 UD |
283 | |
284 | /* The 'sysstat' hook is used to get information about an external file | |
285 | into a struct stat buffer. It generalizes the Unix fstat(2) call. | |
286 | It matches the streambuf::sys_stat virtual function, which is | |
6d52618b | 287 | specific to this implementation. */ |
79937577 | 288 | typedef int (*_IO_stat_t) (_IO_FILE *, void *); |
40a55d20 | 289 | #define _IO_SYSSTAT(FP, BUF) JUMP1 (__stat, FP, BUF) |
6e06ae59 | 290 | #define _IO_WSYSSTAT(FP, BUF) WJUMP1 (__stat, FP, BUF) |
96aa2d94 | 291 | |
dfd2257a UD |
292 | /* The 'showmany' hook can be used to get an image how much input is |
293 | available. In many cases the answer will be 0 which means unknown | |
294 | but some cases one can provide real information. */ | |
79937577 | 295 | typedef int (*_IO_showmanyc_t) (_IO_FILE *); |
dfd2257a | 296 | #define _IO_SHOWMANYC(FP) JUMP0 (__showmanyc, FP) |
6e06ae59 | 297 | #define _IO_WSHOWMANYC(FP) WJUMP0 (__showmanyc, FP) |
dfd2257a UD |
298 | |
299 | /* The 'imbue' hook is used to get information about the currently | |
300 | installed locales. */ | |
79937577 | 301 | typedef void (*_IO_imbue_t) (_IO_FILE *, void *); |
dfd2257a | 302 | #define _IO_IMBUE(FP, LOCALE) JUMP1 (__imbue, FP, LOCALE) |
6e06ae59 | 303 | #define _IO_WIMBUE(FP, LOCALE) WJUMP1 (__imbue, FP, LOCALE) |
dfd2257a | 304 | |
f65fd747 | 305 | |
96aa2d94 RM |
306 | #define _IO_CHAR_TYPE char /* unsigned char ? */ |
307 | #define _IO_INT_TYPE int | |
308 | ||
40a55d20 UD |
309 | struct _IO_jump_t |
310 | { | |
96aa2d94 | 311 | JUMP_FIELD(_G_size_t, __dummy); |
f65fd747 UD |
312 | #ifdef _G_USING_THUNKS |
313 | JUMP_FIELD(_G_size_t, __dummy2); | |
314 | #endif | |
96aa2d94 RM |
315 | JUMP_FIELD(_IO_finish_t, __finish); |
316 | JUMP_FIELD(_IO_overflow_t, __overflow); | |
317 | JUMP_FIELD(_IO_underflow_t, __underflow); | |
318 | JUMP_FIELD(_IO_underflow_t, __uflow); | |
319 | JUMP_FIELD(_IO_pbackfail_t, __pbackfail); | |
320 | /* showmany */ | |
321 | JUMP_FIELD(_IO_xsputn_t, __xsputn); | |
322 | JUMP_FIELD(_IO_xsgetn_t, __xsgetn); | |
323 | JUMP_FIELD(_IO_seekoff_t, __seekoff); | |
324 | JUMP_FIELD(_IO_seekpos_t, __seekpos); | |
325 | JUMP_FIELD(_IO_setbuf_t, __setbuf); | |
326 | JUMP_FIELD(_IO_sync_t, __sync); | |
327 | JUMP_FIELD(_IO_doallocate_t, __doallocate); | |
328 | JUMP_FIELD(_IO_read_t, __read); | |
329 | JUMP_FIELD(_IO_write_t, __write); | |
330 | JUMP_FIELD(_IO_seek_t, __seek); | |
331 | JUMP_FIELD(_IO_close_t, __close); | |
332 | JUMP_FIELD(_IO_stat_t, __stat); | |
dfd2257a UD |
333 | JUMP_FIELD(_IO_showmanyc_t, __showmanyc); |
334 | JUMP_FIELD(_IO_imbue_t, __imbue); | |
96aa2d94 RM |
335 | #if 0 |
336 | get_column; | |
337 | set_column; | |
338 | #endif | |
339 | }; | |
340 | ||
341 | /* We always allocate an extra word following an _IO_FILE. | |
f65fd747 | 342 | This contains a pointer to the function jump table used. |
96aa2d94 RM |
343 | This is for compatibility with C++ streambuf; the word can |
344 | be used to smash to a pointer to a virtual function table. */ | |
345 | ||
40a55d20 UD |
346 | struct _IO_FILE_plus |
347 | { | |
96aa2d94 | 348 | _IO_FILE file; |
96aa2d94 | 349 | const struct _IO_jump_t *vtable; |
96aa2d94 RM |
350 | }; |
351 | ||
7ea11363 UD |
352 | #ifdef _IO_USE_OLD_IO_FILE |
353 | /* This structure is used by the compatibility code as if it were an | |
354 | _IO_FILE_plus, but has enough space to initialize the _mode argument | |
355 | of an _IO_FILE_complete. */ | |
356 | struct _IO_FILE_complete_plus | |
357 | { | |
358 | struct _IO_FILE_complete file; | |
359 | const struct _IO_jump_t *vtable; | |
360 | }; | |
361 | #endif | |
362 | ||
2ca8b1ee GM |
363 | /* Special file type for fopencookie function. */ |
364 | struct _IO_cookie_file | |
365 | { | |
366 | struct _IO_FILE_plus __fp; | |
367 | void *__cookie; | |
368 | _IO_cookie_io_functions_t __io_functions; | |
369 | }; | |
370 | ||
c9fc9559 RM |
371 | _IO_FILE *_IO_fopencookie (void *cookie, const char *mode, |
372 | _IO_cookie_io_functions_t io_functions); | |
373 | ||
374 | ||
3fc9ca4e UD |
375 | /* Iterator type for walking global linked list of _IO_FILE objects. */ |
376 | ||
73c115ed | 377 | typedef struct _IO_FILE *_IO_ITER; |
3fc9ca4e | 378 | |
96aa2d94 RM |
379 | /* Generic functions */ |
380 | ||
79937577 UD |
381 | extern void _IO_switch_to_main_get_area (_IO_FILE *) __THROW; |
382 | extern void _IO_switch_to_backup_area (_IO_FILE *) __THROW; | |
0fca3153 | 383 | extern int _IO_switch_to_get_mode (_IO_FILE *); |
79937577 UD |
384 | extern void _IO_init (_IO_FILE *, int) __THROW; |
385 | extern int _IO_sputbackc (_IO_FILE *, int) __THROW; | |
386 | extern int _IO_sungetc (_IO_FILE *) __THROW; | |
387 | extern void _IO_un_link (struct _IO_FILE_plus *) __THROW; | |
388 | extern void _IO_link_in (struct _IO_FILE_plus *) __THROW; | |
389 | extern void _IO_doallocbuf (_IO_FILE *) __THROW; | |
390 | extern void _IO_unsave_markers (_IO_FILE *) __THROW; | |
391 | extern void _IO_setb (_IO_FILE *, char *, char *, int) __THROW; | |
392 | extern unsigned _IO_adjust_column (unsigned, const char *, int) __THROW; | |
40a55d20 | 393 | #define _IO_sputn(__fp, __s, __n) _IO_XSPUTN (__fp, __s, __n) |
96aa2d94 | 394 | |
79937577 UD |
395 | extern void _IO_switch_to_main_wget_area (_IO_FILE *) __THROW; |
396 | extern void _IO_switch_to_wbackup_area (_IO_FILE *) __THROW; | |
0fca3153 | 397 | extern int _IO_switch_to_wget_mode (_IO_FILE *); |
79937577 UD |
398 | extern void _IO_wsetb (_IO_FILE *, wchar_t *, wchar_t *, int) __THROW; |
399 | extern wint_t _IO_sputbackwc (_IO_FILE *, wint_t) __THROW; | |
400 | extern wint_t _IO_sungetwc (_IO_FILE *) __THROW; | |
401 | extern void _IO_wdoallocbuf (_IO_FILE *) __THROW; | |
402 | extern void _IO_unsave_wmarkers (_IO_FILE *) __THROW; | |
403 | extern unsigned _IO_adjust_wcolumn (unsigned, const wchar_t *, int) __THROW; | |
d64b6ad0 | 404 | |
96aa2d94 RM |
405 | /* Marker-related function. */ |
406 | ||
0fca3153 UD |
407 | extern void _IO_init_marker (struct _IO_marker *, _IO_FILE *); |
408 | extern void _IO_init_wmarker (struct _IO_marker *, _IO_FILE *); | |
79937577 UD |
409 | extern void _IO_remove_marker (struct _IO_marker *) __THROW; |
410 | extern int _IO_marker_difference (struct _IO_marker *, struct _IO_marker *) | |
411 | __THROW; | |
412 | extern int _IO_marker_delta (struct _IO_marker *) __THROW; | |
413 | extern int _IO_wmarker_delta (struct _IO_marker *) __THROW; | |
414 | extern int _IO_seekmark (_IO_FILE *, struct _IO_marker *, int) __THROW; | |
415 | extern int _IO_seekwmark (_IO_FILE *, struct _IO_marker *, int) __THROW; | |
96aa2d94 | 416 | |
79937577 | 417 | /* Functions for iterating global list and dealing with its lock */ |
3fc9ca4e | 418 | |
79937577 | 419 | extern _IO_ITER _IO_iter_begin (void) __THROW; |
1d2b6e0c | 420 | libc_hidden_proto (_IO_iter_begin) |
79937577 | 421 | extern _IO_ITER _IO_iter_end (void) __THROW; |
1d2b6e0c | 422 | libc_hidden_proto (_IO_iter_end) |
79937577 | 423 | extern _IO_ITER _IO_iter_next (_IO_ITER) __THROW; |
1d2b6e0c | 424 | libc_hidden_proto (_IO_iter_next) |
79937577 | 425 | extern _IO_FILE *_IO_iter_file (_IO_ITER) __THROW; |
1d2b6e0c | 426 | libc_hidden_proto (_IO_iter_file) |
79937577 | 427 | extern void _IO_list_lock (void) __THROW; |
245eab02 | 428 | libc_hidden_proto (_IO_list_lock) |
79937577 | 429 | extern void _IO_list_unlock (void) __THROW; |
245eab02 | 430 | libc_hidden_proto (_IO_list_unlock) |
79937577 | 431 | extern void _IO_list_resetlock (void) __THROW; |
245eab02 | 432 | libc_hidden_proto (_IO_list_resetlock) |
3fc9ca4e | 433 | |
96aa2d94 RM |
434 | /* Default jumptable functions. */ |
435 | ||
79937577 | 436 | extern int _IO_default_underflow (_IO_FILE *) __THROW; |
0fca3153 UD |
437 | extern int _IO_default_uflow (_IO_FILE *); |
438 | extern wint_t _IO_wdefault_uflow (_IO_FILE *); | |
79937577 UD |
439 | extern int _IO_default_doallocate (_IO_FILE *) __THROW; |
440 | extern int _IO_wdefault_doallocate (_IO_FILE *) __THROW; | |
441 | extern void _IO_default_finish (_IO_FILE *, int) __THROW; | |
442 | extern void _IO_wdefault_finish (_IO_FILE *, int) __THROW; | |
443 | extern int _IO_default_pbackfail (_IO_FILE *, int) __THROW; | |
444 | extern wint_t _IO_wdefault_pbackfail (_IO_FILE *, wint_t) __THROW; | |
0fca3153 | 445 | extern _IO_FILE* _IO_default_setbuf (_IO_FILE *, char *, _IO_ssize_t); |
102070bc UD |
446 | extern _IO_size_t _IO_default_xsputn (_IO_FILE *, const void *, _IO_size_t); |
447 | extern _IO_size_t _IO_wdefault_xsputn (_IO_FILE *, const void *, _IO_size_t); | |
448 | extern _IO_size_t _IO_default_xsgetn (_IO_FILE *, void *, _IO_size_t); | |
449 | extern _IO_size_t _IO_wdefault_xsgetn (_IO_FILE *, void *, _IO_size_t); | |
79937577 UD |
450 | extern _IO_off64_t _IO_default_seekoff (_IO_FILE *, _IO_off64_t, int, int) |
451 | __THROW; | |
0fca3153 | 452 | extern _IO_off64_t _IO_default_seekpos (_IO_FILE *, _IO_off64_t, int); |
102070bc UD |
453 | extern _IO_ssize_t _IO_default_write (_IO_FILE *, const void *, _IO_ssize_t); |
454 | extern _IO_ssize_t _IO_default_read (_IO_FILE *, void *, _IO_ssize_t); | |
79937577 UD |
455 | extern int _IO_default_stat (_IO_FILE *, void *) __THROW; |
456 | extern _IO_off64_t _IO_default_seek (_IO_FILE *, _IO_off64_t, int) __THROW; | |
457 | extern int _IO_default_sync (_IO_FILE *) __THROW; | |
40a55d20 | 458 | #define _IO_default_close ((_IO_close_t) _IO_default_sync) |
79937577 UD |
459 | extern int _IO_default_showmanyc (_IO_FILE *) __THROW; |
460 | extern void _IO_default_imbue (_IO_FILE *, void *) __THROW; | |
96aa2d94 | 461 | |
b2637a22 | 462 | extern const struct _IO_jump_t _IO_file_jumps; |
15a686af | 463 | libc_hidden_proto (_IO_file_jumps) |
b2637a22 UD |
464 | extern const struct _IO_jump_t _IO_file_jumps_mmap attribute_hidden; |
465 | extern const struct _IO_jump_t _IO_file_jumps_maybe_mmap attribute_hidden; | |
466 | extern const struct _IO_jump_t _IO_wfile_jumps; | |
15a686af | 467 | libc_hidden_proto (_IO_wfile_jumps) |
b2637a22 UD |
468 | extern const struct _IO_jump_t _IO_wfile_jumps_mmap attribute_hidden; |
469 | extern const struct _IO_jump_t _IO_wfile_jumps_maybe_mmap attribute_hidden; | |
470 | extern const struct _IO_jump_t _IO_old_file_jumps attribute_hidden; | |
471 | extern const struct _IO_jump_t _IO_streambuf_jumps; | |
472 | extern const struct _IO_jump_t _IO_old_proc_jumps attribute_hidden; | |
473 | extern const struct _IO_jump_t _IO_str_jumps attribute_hidden; | |
474 | extern const struct _IO_jump_t _IO_wstr_jumps attribute_hidden; | |
97d261ad | 475 | extern const struct _IO_codecvt __libio_codecvt attribute_hidden; |
0fca3153 UD |
476 | extern int _IO_do_write (_IO_FILE *, const char *, _IO_size_t); |
477 | extern int _IO_new_do_write (_IO_FILE *, const char *, _IO_size_t); | |
478 | extern int _IO_old_do_write (_IO_FILE *, const char *, _IO_size_t); | |
479 | extern int _IO_wdo_write (_IO_FILE *, const wchar_t *, _IO_size_t); | |
480 | extern int _IO_flush_all_lockp (int); | |
481 | extern int _IO_flush_all (void); | |
482 | extern int _IO_cleanup (void); | |
483 | extern void _IO_flush_all_linebuffered (void); | |
484 | extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *); | |
485 | extern int _IO_old_fgetpos (_IO_FILE *, _IO_fpos_t *); | |
486 | extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *); | |
487 | extern int _IO_old_fsetpos (_IO_FILE *, const _IO_fpos_t *); | |
488 | extern int _IO_new_fgetpos64 (_IO_FILE *, _IO_fpos64_t *); | |
489 | extern int _IO_old_fgetpos64 (_IO_FILE *, _IO_fpos64_t *); | |
490 | extern int _IO_new_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *); | |
491 | extern int _IO_old_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *); | |
79937577 | 492 | extern void _IO_old_init (_IO_FILE *fp, int flags) __THROW; |
d64b6ad0 | 493 | |
96aa2d94 | 494 | |
319d719d UD |
495 | #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T |
496 | # define _IO_do_flush(_f) \ | |
d64b6ad0 | 497 | ((_f)->_mode <= 0 \ |
77fe0b9c UD |
498 | ? INTUSE(_IO_do_write)(_f, (_f)->_IO_write_base, \ |
499 | (_f)->_IO_write_ptr-(_f)->_IO_write_base) \ | |
500 | : INTUSE(_IO_wdo_write)(_f, (_f)->_wide_data->_IO_write_base, \ | |
501 | ((_f)->_wide_data->_IO_write_ptr \ | |
502 | - (_f)->_wide_data->_IO_write_base))) | |
319d719d UD |
503 | #else |
504 | # define _IO_do_flush(_f) \ | |
77fe0b9c UD |
505 | INTUSE(_IO_do_write)(_f, (_f)->_IO_write_base, \ |
506 | (_f)->_IO_write_ptr-(_f)->_IO_write_base) | |
319d719d | 507 | #endif |
6973fc01 UD |
508 | #define _IO_old_do_flush(_f) \ |
509 | _IO_old_do_write(_f, (_f)->_IO_write_base, \ | |
510 | (_f)->_IO_write_ptr-(_f)->_IO_write_base) | |
96aa2d94 RM |
511 | #define _IO_in_put_mode(_fp) ((_fp)->_flags & _IO_CURRENTLY_PUTTING) |
512 | #define _IO_mask_flags(fp, f, mask) \ | |
513 | ((fp)->_flags = ((fp)->_flags & ~(mask)) | ((f) & (mask))) | |
514 | #define _IO_setg(fp, eb, g, eg) ((fp)->_IO_read_base = (eb),\ | |
515 | (fp)->_IO_read_ptr = (g), (fp)->_IO_read_end = (eg)) | |
d64b6ad0 UD |
516 | #define _IO_wsetg(fp, eb, g, eg) ((fp)->_wide_data->_IO_read_base = (eb),\ |
517 | (fp)->_wide_data->_IO_read_ptr = (g), \ | |
518 | (fp)->_wide_data->_IO_read_end = (eg)) | |
96aa2d94 | 519 | #define _IO_setp(__fp, __p, __ep) \ |
d64b6ad0 UD |
520 | ((__fp)->_IO_write_base = (__fp)->_IO_write_ptr \ |
521 | = __p, (__fp)->_IO_write_end = (__ep)) | |
522 | #define _IO_wsetp(__fp, __p, __ep) \ | |
523 | ((__fp)->_wide_data->_IO_write_base \ | |
524 | = (__fp)->_wide_data->_IO_write_ptr = __p, \ | |
525 | (__fp)->_wide_data->_IO_write_end = (__ep)) | |
96aa2d94 | 526 | #define _IO_have_backup(fp) ((fp)->_IO_save_base != NULL) |
d64b6ad0 | 527 | #define _IO_have_wbackup(fp) ((fp)->_wide_data->_IO_save_base != NULL) |
96aa2d94 RM |
528 | #define _IO_in_backup(fp) ((fp)->_flags & _IO_IN_BACKUP) |
529 | #define _IO_have_markers(fp) ((fp)->_markers != NULL) | |
f65fd747 | 530 | #define _IO_blen(fp) ((fp)->_IO_buf_end - (fp)->_IO_buf_base) |
d64b6ad0 UD |
531 | #define _IO_wblen(fp) ((fp)->_wide_data->_IO_buf_end \ |
532 | - (fp)->_wide_data->_IO_buf_base) | |
96aa2d94 RM |
533 | |
534 | /* Jumptable functions for files. */ | |
535 | ||
79937577 | 536 | extern int _IO_file_doallocate (_IO_FILE *) __THROW; |
0fca3153 UD |
537 | extern _IO_FILE* _IO_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); |
538 | extern _IO_off64_t _IO_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); | |
79937577 UD |
539 | extern _IO_off64_t _IO_file_seekoff_mmap (_IO_FILE *, _IO_off64_t, int, int) |
540 | __THROW; | |
0fca3153 UD |
541 | extern _IO_size_t _IO_file_xsputn (_IO_FILE *, const void *, _IO_size_t); |
542 | extern _IO_size_t _IO_file_xsgetn (_IO_FILE *, void *, _IO_size_t); | |
79937577 UD |
543 | extern int _IO_file_stat (_IO_FILE *, void *) __THROW; |
544 | extern int _IO_file_close (_IO_FILE *) __THROW; | |
545 | extern int _IO_file_close_mmap (_IO_FILE *) __THROW; | |
0fca3153 UD |
546 | extern int _IO_file_underflow (_IO_FILE *); |
547 | extern int _IO_file_underflow_mmap (_IO_FILE *); | |
548 | extern int _IO_file_underflow_maybe_mmap (_IO_FILE *); | |
549 | extern int _IO_file_overflow (_IO_FILE *, int); | |
110215a9 | 550 | #define _IO_file_is_open(__fp) ((__fp)->_fileno != -1) |
79937577 | 551 | extern void _IO_file_init (struct _IO_FILE_plus *) __THROW; |
0fca3153 UD |
552 | extern _IO_FILE* _IO_file_attach (_IO_FILE *, int); |
553 | extern _IO_FILE* _IO_file_open (_IO_FILE *, const char *, int, int, int, int); | |
ee2a5ae8 | 554 | libc_hidden_proto (_IO_file_open) |
0fca3153 UD |
555 | extern _IO_FILE* _IO_file_fopen (_IO_FILE *, const char *, const char *, int); |
556 | extern _IO_ssize_t _IO_file_write (_IO_FILE *, const void *, _IO_ssize_t); | |
557 | extern _IO_ssize_t _IO_file_read (_IO_FILE *, void *, _IO_ssize_t); | |
558 | extern int _IO_file_sync (_IO_FILE *); | |
559 | extern int _IO_file_close_it (_IO_FILE *); | |
79937577 | 560 | extern _IO_off64_t _IO_file_seek (_IO_FILE *, _IO_off64_t, int) __THROW; |
0fca3153 | 561 | extern void _IO_file_finish (_IO_FILE *, int); |
79937577 | 562 | |
0fca3153 UD |
563 | extern _IO_FILE* _IO_new_file_attach (_IO_FILE *, int); |
564 | extern int _IO_new_file_close_it (_IO_FILE *); | |
565 | extern void _IO_new_file_finish (_IO_FILE *, int); | |
79937577 | 566 | extern _IO_FILE* _IO_new_file_fopen (_IO_FILE *, const char *, const char *, |
0fca3153 | 567 | int); |
79937577 UD |
568 | extern void _IO_no_init (_IO_FILE *, int, int, struct _IO_wide_data *, |
569 | const struct _IO_jump_t *) __THROW; | |
570 | extern void _IO_new_file_init (struct _IO_FILE_plus *) __THROW; | |
0fca3153 UD |
571 | extern _IO_FILE* _IO_new_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); |
572 | extern _IO_FILE* _IO_file_setbuf_mmap (_IO_FILE *, char *, _IO_ssize_t); | |
573 | extern int _IO_new_file_sync (_IO_FILE *); | |
574 | extern int _IO_new_file_underflow (_IO_FILE *); | |
575 | extern int _IO_new_file_overflow (_IO_FILE *, int); | |
576 | extern _IO_off64_t _IO_new_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); | |
577 | extern _IO_ssize_t _IO_new_file_write (_IO_FILE *, const void *, _IO_ssize_t); | |
578 | extern _IO_size_t _IO_new_file_xsputn (_IO_FILE *, const void *, _IO_size_t); | |
579 | ||
580 | extern _IO_FILE* _IO_old_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); | |
581 | extern _IO_off64_t _IO_old_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); | |
582 | extern _IO_size_t _IO_old_file_xsputn (_IO_FILE *, const void *, _IO_size_t); | |
583 | extern int _IO_old_file_underflow (_IO_FILE *); | |
584 | extern int _IO_old_file_overflow (_IO_FILE *, int); | |
79937577 | 585 | extern void _IO_old_file_init (struct _IO_FILE_plus *) __THROW; |
0fca3153 UD |
586 | extern _IO_FILE* _IO_old_file_attach (_IO_FILE *, int); |
587 | extern _IO_FILE* _IO_old_file_fopen (_IO_FILE *, const char *, const char *); | |
588 | extern _IO_ssize_t _IO_old_file_write (_IO_FILE *, const void *, _IO_ssize_t); | |
589 | extern int _IO_old_file_sync (_IO_FILE *); | |
590 | extern int _IO_old_file_close_it (_IO_FILE *); | |
591 | extern void _IO_old_file_finish (_IO_FILE *, int); | |
79937577 UD |
592 | |
593 | extern int _IO_wfile_doallocate (_IO_FILE *) __THROW; | |
0fca3153 UD |
594 | extern _IO_size_t _IO_wfile_xsputn (_IO_FILE *, const void *, _IO_size_t); |
595 | extern _IO_FILE* _IO_wfile_setbuf (_IO_FILE *, wchar_t *, _IO_ssize_t); | |
596 | extern wint_t _IO_wfile_sync (_IO_FILE *); | |
597 | extern wint_t _IO_wfile_underflow (_IO_FILE *); | |
598 | extern wint_t _IO_wfile_overflow (_IO_FILE *, wint_t); | |
599 | extern _IO_off64_t _IO_wfile_seekoff (_IO_FILE *, _IO_off64_t, int, int); | |
d64b6ad0 | 600 | |
96aa2d94 | 601 | /* Jumptable functions for proc_files. */ |
79937577 UD |
602 | extern _IO_FILE* _IO_proc_open (_IO_FILE *, const char *, const char *) |
603 | __THROW; | |
604 | extern _IO_FILE* _IO_new_proc_open (_IO_FILE *, const char *, const char *) | |
605 | __THROW; | |
0fca3153 | 606 | extern _IO_FILE* _IO_old_proc_open (_IO_FILE *, const char *, const char *); |
79937577 UD |
607 | extern int _IO_proc_close (_IO_FILE *) __THROW; |
608 | extern int _IO_new_proc_close (_IO_FILE *) __THROW; | |
0fca3153 | 609 | extern int _IO_old_proc_close (_IO_FILE *); |
96aa2d94 RM |
610 | |
611 | /* Jumptable functions for strfiles. */ | |
79937577 UD |
612 | extern int _IO_str_underflow (_IO_FILE *) __THROW; |
613 | extern int _IO_str_overflow (_IO_FILE *, int) __THROW; | |
614 | extern int _IO_str_pbackfail (_IO_FILE *, int) __THROW; | |
615 | extern _IO_off64_t _IO_str_seekoff (_IO_FILE *, _IO_off64_t, int, int) __THROW; | |
616 | extern void _IO_str_finish (_IO_FILE *, int) __THROW; | |
96aa2d94 RM |
617 | |
618 | /* Other strfile functions */ | |
2ca8b1ee | 619 | struct _IO_strfile_; |
79937577 UD |
620 | extern void _IO_str_init_static (struct _IO_strfile_ *, char *, int, char *) |
621 | __THROW; | |
622 | extern void _IO_str_init_readonly (struct _IO_strfile_ *, const char *, int) | |
623 | __THROW; | |
624 | extern _IO_ssize_t _IO_str_count (_IO_FILE *) __THROW; | |
96aa2d94 | 625 | |
d64b6ad0 | 626 | /* And the wide character versions. */ |
79937577 UD |
627 | extern void _IO_wstr_init_static (_IO_FILE *, wchar_t *, _IO_size_t, wchar_t *) |
628 | __THROW; | |
629 | extern _IO_ssize_t _IO_wstr_count (_IO_FILE *) __THROW; | |
630 | extern _IO_wint_t _IO_wstr_overflow (_IO_FILE *, _IO_wint_t) __THROW; | |
631 | extern _IO_wint_t _IO_wstr_underflow (_IO_FILE *) __THROW; | |
632 | extern _IO_off64_t _IO_wstr_seekoff (_IO_FILE *, _IO_off64_t, int, int) | |
633 | __THROW; | |
634 | extern _IO_wint_t _IO_wstr_pbackfail (_IO_FILE *, _IO_wint_t) __THROW; | |
635 | extern void _IO_wstr_finish (_IO_FILE *, int) __THROW; | |
636 | ||
a784e502 | 637 | extern int _IO_vasprintf (char **result_ptr, const char *format, |
79937577 | 638 | _IO_va_list args) __THROW; |
a784e502 | 639 | extern int _IO_vdprintf (int d, const char *format, _IO_va_list arg); |
79937577 | 640 | extern int _IO_vsnprintf (char *string, _IO_size_t maxlen, |
a784e502 | 641 | const char *format, _IO_va_list args) __THROW; |
79937577 UD |
642 | |
643 | ||
102070bc | 644 | extern _IO_size_t _IO_getline (_IO_FILE *,char *, _IO_size_t, int, int); |
79937577 | 645 | extern _IO_size_t _IO_getline_info (_IO_FILE *,char *, _IO_size_t, |
102070bc | 646 | int, int, int *); |
0fca3153 | 647 | extern _IO_ssize_t _IO_getdelim (char **, _IO_size_t *, int, _IO_FILE *); |
102070bc | 648 | extern _IO_size_t _IO_getwline (_IO_FILE *,wchar_t *, _IO_size_t, wint_t, int); |
79937577 | 649 | extern _IO_size_t _IO_getwline_info (_IO_FILE *,wchar_t *, _IO_size_t, |
102070bc | 650 | wint_t, int, wint_t *); |
96aa2d94 | 651 | |
2ca8b1ee | 652 | extern struct _IO_FILE_plus *_IO_list_all; |
79937577 | 653 | extern void (*_IO_cleanup_registration_needed) (void); |
96aa2d94 | 654 | |
77fe0b9c | 655 | /* Prototype for functions with alternative entry point. */ |
0fca3153 UD |
656 | extern int _IO_flush_all_internal (void); |
657 | extern unsigned _IO_adjust_column_internal (unsigned, const char *, int); | |
79937577 | 658 | |
0fca3153 | 659 | extern int _IO_default_uflow_internal (_IO_FILE *); |
79937577 UD |
660 | extern void _IO_default_finish_internal (_IO_FILE *, int) __THROW; |
661 | extern int _IO_default_pbackfail_internal (_IO_FILE *, int) __THROW; | |
662 | extern _IO_size_t _IO_default_xsputn_internal (_IO_FILE *, const void *, | |
0fca3153 UD |
663 | _IO_size_t); |
664 | extern _IO_size_t _IO_default_xsgetn_internal (_IO_FILE *, void *, _IO_size_t); | |
79937577 UD |
665 | extern int _IO_default_doallocate_internal (_IO_FILE *) __THROW; |
666 | extern void _IO_wdefault_finish_internal (_IO_FILE *, int) __THROW; | |
667 | extern wint_t _IO_wdefault_pbackfail_internal (_IO_FILE *, wint_t) __THROW; | |
668 | extern _IO_size_t _IO_wdefault_xsputn_internal (_IO_FILE *, const void *, | |
0fca3153 | 669 | _IO_size_t); |
79937577 | 670 | extern _IO_size_t _IO_wdefault_xsgetn_internal (_IO_FILE *, void *, |
0fca3153 | 671 | _IO_size_t); |
79937577 | 672 | extern int _IO_wdefault_doallocate_internal (_IO_FILE *) __THROW; |
0fca3153 | 673 | extern wint_t _IO_wdefault_uflow_internal (_IO_FILE *); |
79937577 UD |
674 | |
675 | extern int _IO_file_doallocate_internal (_IO_FILE *) __THROW; | |
0fca3153 | 676 | extern _IO_FILE* _IO_file_setbuf_internal (_IO_FILE *, char *, _IO_ssize_t); |
79937577 | 677 | extern _IO_off64_t _IO_file_seekoff_internal (_IO_FILE *, _IO_off64_t, |
0fca3153 | 678 | int, int); |
79937577 | 679 | extern _IO_size_t _IO_file_xsputn_internal (_IO_FILE *, const void *, |
0fca3153 UD |
680 | _IO_size_t); |
681 | extern _IO_size_t _IO_file_xsgetn_internal (_IO_FILE *, void *, _IO_size_t); | |
79937577 UD |
682 | extern int _IO_file_stat_internal (_IO_FILE *, void *) __THROW; |
683 | extern int _IO_file_close_internal (_IO_FILE *) __THROW; | |
0fca3153 UD |
684 | extern int _IO_file_close_it_internal (_IO_FILE *); |
685 | extern int _IO_file_underflow_internal (_IO_FILE *); | |
686 | extern int _IO_file_overflow_internal (_IO_FILE *, int); | |
79937577 | 687 | extern void _IO_file_init_internal (struct _IO_FILE_plus *) __THROW; |
0fca3153 | 688 | extern _IO_FILE* _IO_file_attach_internal (_IO_FILE *, int); |
79937577 | 689 | extern _IO_FILE* _IO_file_fopen_internal (_IO_FILE *, const char *, |
0fca3153 | 690 | const char *, int); |
79937577 | 691 | extern _IO_ssize_t _IO_file_read_internal (_IO_FILE *, void *, |
102070bc | 692 | _IO_ssize_t); |
0fca3153 | 693 | extern int _IO_file_sync_internal (_IO_FILE *); |
79937577 UD |
694 | extern _IO_off64_t _IO_file_seek_internal (_IO_FILE *, _IO_off64_t, int) |
695 | __THROW; | |
0fca3153 | 696 | extern void _IO_file_finish_internal (_IO_FILE *, int); |
79937577 UD |
697 | |
698 | extern _IO_size_t _IO_wfile_xsputn_internal (_IO_FILE *, const void *, | |
0fca3153 | 699 | _IO_size_t); |
79937577 | 700 | extern _IO_off64_t _IO_wfile_seekoff_internal (_IO_FILE *, _IO_off64_t, |
0fca3153 UD |
701 | int, int); |
702 | extern wint_t _IO_wfile_sync_internal (_IO_FILE *); | |
79937577 UD |
703 | |
704 | extern int _IO_str_underflow_internal (_IO_FILE *) __THROW; | |
705 | extern int _IO_str_overflow_internal (_IO_FILE *, int) __THROW; | |
706 | extern int _IO_str_pbackfail_internal (_IO_FILE *, int) __THROW; | |
707 | extern _IO_off64_t _IO_str_seekoff_internal (_IO_FILE *, _IO_off64_t, | |
708 | int, int) __THROW; | |
709 | extern void _IO_str_init_static_internal (struct _IO_strfile_ *, char *, | |
710 | _IO_size_t, char *) __THROW; | |
77fe0b9c | 711 | |
100351c3 UD |
712 | extern struct _IO_jump_t _IO_file_jumps_internal attribute_hidden; |
713 | extern struct _IO_jump_t _IO_wfile_jumps_internal attribute_hidden; | |
77fe0b9c | 714 | |
100351c3 | 715 | extern struct _IO_FILE_plus *_IO_list_all_internal attribute_hidden; |
77fe0b9c | 716 | |
79937577 UD |
717 | extern void _IO_link_in_internal (struct _IO_FILE_plus *) __THROW; |
718 | extern int _IO_sputbackc_internal (_IO_FILE *, int) __THROW; | |
719 | extern void _IO_wdoallocbuf_internal (_IO_FILE *) __THROW; | |
720 | ||
102070bc | 721 | extern _IO_size_t _IO_sgetn_internal (_IO_FILE *, void *, _IO_size_t); |
79937577 | 722 | extern void _IO_flush_all_linebuffered_internal (void) __THROW; |
0fca3153 | 723 | extern int _IO_switch_to_wget_mode_internal (_IO_FILE *); |
79937577 UD |
724 | extern void _IO_unsave_markers_internal (_IO_FILE *) __THROW; |
725 | extern void _IO_switch_to_main_wget_area_internal (_IO_FILE *) __THROW; | |
102070bc UD |
726 | extern int _IO_wdo_write_internal (_IO_FILE *, const wchar_t *, _IO_size_t); |
727 | extern int _IO_do_write_internal (_IO_FILE *, const char *, _IO_size_t); | |
0fca3153 | 728 | extern _IO_ssize_t _IO_padn_internal (_IO_FILE *, int, _IO_ssize_t); |
79937577 | 729 | extern _IO_size_t _IO_getline_info_internal (_IO_FILE *,char *, _IO_size_t, |
102070bc | 730 | int, int, int *); |
79937577 | 731 | extern _IO_size_t _IO_getline_internal (_IO_FILE *, char *, _IO_size_t, int, |
102070bc | 732 | int); |
79937577 UD |
733 | extern void _IO_free_wbackup_area_internal (_IO_FILE *) __THROW; |
734 | extern void _IO_free_backup_area_internal (_IO_FILE *) __THROW; | |
735 | extern void _IO_switch_to_wbackup_area_internal (_IO_FILE *) __THROW; | |
736 | extern void _IO_setb_internal (_IO_FILE *, char *, char *, int) __THROW; | |
737 | extern wint_t _IO_sputbackwc_internal (_IO_FILE *, wint_t) __THROW; | |
0fca3153 | 738 | extern int _IO_switch_to_get_mode_internal (_IO_FILE *); |
77fe0b9c UD |
739 | extern int _IO_vfscanf_internal (_IO_FILE * __restrict, |
740 | const char * __restrict, | |
741 | _IO_va_list, int *__restrict); | |
742 | extern int _IO_vfprintf_internal (_IO_FILE *__restrict, const char *__restrict, | |
102070bc | 743 | _IO_va_list); |
79937577 UD |
744 | extern void _IO_doallocbuf_internal (_IO_FILE *) __THROW; |
745 | extern void _IO_wsetb_internal (_IO_FILE *, wchar_t *, wchar_t *, int) | |
746 | __THROW; | |
52a16e58 | 747 | extern _IO_off64_t _IO_seekoff_unlocked (_IO_FILE *, _IO_off64_t, int, int) |
0fca3153 | 748 | attribute_hidden; |
52a16e58 | 749 | extern _IO_off64_t _IO_seekpos_unlocked (_IO_FILE *, _IO_off64_t, int) |
0fca3153 | 750 | attribute_hidden; |
102070bc | 751 | extern int _IO_putc_internal (int __c, _IO_FILE *__fp); |
79937577 UD |
752 | extern void _IO_init_internal (_IO_FILE *, int) __THROW; |
753 | extern void _IO_un_link_internal (struct _IO_FILE_plus *) __THROW; | |
77fe0b9c | 754 | |
96aa2d94 | 755 | #ifndef EOF |
40a55d20 | 756 | # define EOF (-1) |
96aa2d94 RM |
757 | #endif |
758 | #ifndef NULL | |
40a55d20 | 759 | # if defined __GNUG__ && \ |
f8b87ef0 | 760 | (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) |
40a55d20 UD |
761 | # define NULL (__null) |
762 | # else | |
763 | # if !defined(__cplusplus) | |
764 | # define NULL ((void*)0) | |
765 | # else | |
766 | # define NULL (0) | |
767 | # endif | |
768 | # endif | |
f65fd747 | 769 | #endif |
96aa2d94 | 770 | |
f8b87ef0 UD |
771 | #if _G_HAVE_MMAP |
772 | ||
40a55d20 UD |
773 | # include <unistd.h> |
774 | # include <fcntl.h> | |
775 | # include <sys/mman.h> | |
776 | # include <sys/param.h> | |
f8b87ef0 | 777 | |
40a55d20 UD |
778 | # if !defined(MAP_ANONYMOUS) && defined(MAP_ANON) |
779 | # define MAP_ANONYMOUS MAP_ANON | |
780 | # endif | |
f8b87ef0 | 781 | |
40a55d20 UD |
782 | # if !defined(MAP_ANONYMOUS) || !defined(EXEC_PAGESIZE) |
783 | # undef _G_HAVE_MMAP | |
784 | # define _G_HAVE_MMAP 0 | |
785 | # endif | |
f8b87ef0 UD |
786 | |
787 | #endif /* _G_HAVE_MMAP */ | |
788 | ||
789 | #if _G_HAVE_MMAP | |
790 | ||
40a55d20 | 791 | # ifdef _LIBC |
10dc2a90 | 792 | /* When using this code in the GNU libc we must not pollute the name space. */ |
40a55d20 UD |
793 | # define mmap __mmap |
794 | # define munmap __munmap | |
dfd2257a | 795 | # define ftruncate __ftruncate |
40a55d20 | 796 | # endif |
10dc2a90 | 797 | |
40a55d20 | 798 | # define ROUND_TO_PAGE(_S) \ |
f8b87ef0 UD |
799 | (((_S) + EXEC_PAGESIZE - 1) & ~(EXEC_PAGESIZE - 1)) |
800 | ||
40a55d20 | 801 | # define FREE_BUF(_B, _S) \ |
f8b87ef0 | 802 | munmap ((_B), ROUND_TO_PAGE (_S)) |
40a55d20 | 803 | # define ALLOC_BUF(_B, _S, _R) \ |
f8b87ef0 UD |
804 | do { \ |
805 | (_B) = (char *) mmap (0, ROUND_TO_PAGE (_S), \ | |
806 | PROT_READ | PROT_WRITE, \ | |
807 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); \ | |
d64b6ad0 UD |
808 | if ((_B) == (char *) MAP_FAILED) \ |
809 | return (_R); \ | |
810 | } while (0) | |
811 | # define ALLOC_WBUF(_B, _S, _R) \ | |
812 | do { \ | |
813 | (_B) = (wchar_t *) mmap (0, ROUND_TO_PAGE (_S), \ | |
814 | PROT_READ | PROT_WRITE, \ | |
815 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); \ | |
816 | if ((_B) == (wchar_t *) MAP_FAILED) \ | |
f8b87ef0 UD |
817 | return (_R); \ |
818 | } while (0) | |
819 | ||
820 | #else /* _G_HAVE_MMAP */ | |
821 | ||
40a55d20 | 822 | # define FREE_BUF(_B, _S) \ |
f8b87ef0 | 823 | free(_B) |
40a55d20 | 824 | # define ALLOC_BUF(_B, _S, _R) \ |
f8b87ef0 UD |
825 | do { \ |
826 | (_B) = (char*)malloc(_S); \ | |
827 | if ((_B) == NULL) \ | |
828 | return (_R); \ | |
829 | } while (0) | |
af507979 UD |
830 | # define ALLOC_WBUF(_B, _S, _R) \ |
831 | do { \ | |
832 | (_B) = (wchar_t *)malloc(_S); \ | |
833 | if ((_B) == NULL) \ | |
834 | return (_R); \ | |
835 | } while (0) | |
f8b87ef0 UD |
836 | |
837 | #endif /* _G_HAVE_MMAP */ | |
96aa2d94 RM |
838 | |
839 | #ifndef OS_FSTAT | |
40a55d20 | 840 | # define OS_FSTAT fstat |
96aa2d94 | 841 | #endif |
79937577 | 842 | extern int _IO_vscanf (const char *, _IO_va_list) __THROW; |
96aa2d94 | 843 | |
d64b6ad0 | 844 | /* _IO_pos_BAD is an _IO_off64_t value indicating error, unknown, or EOF. */ |
96aa2d94 | 845 | #ifndef _IO_pos_BAD |
d64b6ad0 | 846 | # define _IO_pos_BAD ((_IO_off64_t) -1) |
96aa2d94 | 847 | #endif |
d64b6ad0 | 848 | /* _IO_pos_adjust adjust an _IO_off64_t by some number of bytes. */ |
96aa2d94 | 849 | #ifndef _IO_pos_adjust |
d64b6ad0 | 850 | # define _IO_pos_adjust(pos, delta) ((pos) += (delta)) |
96aa2d94 | 851 | #endif |
d64b6ad0 | 852 | /* _IO_pos_0 is an _IO_off64_t value indicating beginning of file. */ |
96aa2d94 | 853 | #ifndef _IO_pos_0 |
d64b6ad0 | 854 | # define _IO_pos_0 ((_IO_off64_t) 0) |
96aa2d94 RM |
855 | #endif |
856 | ||
4547c1a4 UD |
857 | #ifdef __cplusplus |
858 | } | |
859 | #endif | |
96aa2d94 | 860 | |
499e7464 | 861 | #ifdef _IO_MTSAFE_IO |
96aa2d94 | 862 | /* check following! */ |
1ddf537f | 863 | # ifdef _IO_USE_OLD_IO_FILE |
d64b6ad0 | 864 | # define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \ |
96aa2d94 | 865 | { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ |
319d719d | 866 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \ |
73c115ed | 867 | 0, _IO_pos_BAD, 0, 0, { 0 }, &_IO_stdfile_##FD##_lock } |
1ddf537f | 868 | # else |
319d719d UD |
869 | # if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T |
870 | # define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \ | |
1ddf537f | 871 | { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ |
319d719d | 872 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \ |
d64b6ad0 UD |
873 | 0, _IO_pos_BAD, 0, 0, { 0 }, &_IO_stdfile_##FD##_lock, _IO_pos_BAD,\ |
874 | NULL, WDP, 0 } | |
319d719d UD |
875 | # else |
876 | # define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \ | |
877 | { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ | |
878 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \ | |
879 | 0, _IO_pos_BAD, 0, 0, { 0 }, &_IO_stdfile_##FD##_lock, _IO_pos_BAD,\ | |
880 | 0 } | |
881 | # endif | |
1ddf537f | 882 | # endif |
499e7464 | 883 | #else |
1ddf537f | 884 | # ifdef _IO_USE_OLD_IO_FILE |
b4e3df5d | 885 | # define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \ |
499e7464 | 886 | { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ |
73c115ed GM |
887 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \ |
888 | 0, _IO_pos_BAD } | |
1ddf537f | 889 | # else |
319d719d UD |
890 | # if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T |
891 | # define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \ | |
1ddf537f | 892 | { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ |
319d719d | 893 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \ |
d64b6ad0 UD |
894 | 0, _IO_pos_BAD, 0, 0, { 0 }, 0, _IO_pos_BAD, \ |
895 | NULL, WDP, 0 } | |
319d719d UD |
896 | # else |
897 | # define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \ | |
898 | { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ | |
899 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \ | |
900 | 0, _IO_pos_BAD, 0, 0, { 0 }, 0, _IO_pos_BAD, \ | |
901 | 0 } | |
902 | # endif | |
1ddf537f | 903 | # endif |
499e7464 | 904 | #endif |
96aa2d94 RM |
905 | |
906 | /* VTABLE_LABEL defines NAME as of the CLASS class. | |
907 | CNLENGTH is strlen(#CLASS). */ | |
908 | #ifdef __GNUC__ | |
40a55d20 UD |
909 | # if _G_VTABLE_LABEL_HAS_LENGTH |
910 | # define VTABLE_LABEL(NAME, CLASS, CNLENGTH) \ | |
96aa2d94 | 911 | extern char NAME[] asm (_G_VTABLE_LABEL_PREFIX #CNLENGTH #CLASS); |
40a55d20 UD |
912 | # else |
913 | # define VTABLE_LABEL(NAME, CLASS, CNLENGTH) \ | |
96aa2d94 | 914 | extern char NAME[] asm (_G_VTABLE_LABEL_PREFIX #CLASS); |
40a55d20 | 915 | # endif |
96aa2d94 RM |
916 | #endif /* __GNUC__ */ |
917 | ||
918 | #if !defined(builtinbuf_vtable) && defined(__cplusplus) | |
40a55d20 | 919 | # ifdef __GNUC__ |
96aa2d94 | 920 | VTABLE_LABEL(builtinbuf_vtable, builtinbuf, 10) |
40a55d20 UD |
921 | # else |
922 | # if _G_VTABLE_LABEL_HAS_LENGTH | |
923 | # define builtinbuf_vtable _G_VTABLE_LABEL_PREFIX_ID##10builtinbuf | |
924 | # else | |
925 | # define builtinbuf_vtable _G_VTABLE_LABEL_PREFIX_ID##builtinbuf | |
926 | # endif | |
927 | # endif | |
96aa2d94 RM |
928 | #endif /* !defined(builtinbuf_vtable) && defined(__cplusplus) */ |
929 | ||
930 | #if defined(__STDC__) || defined(__cplusplus) | |
40a55d20 | 931 | # define _IO_va_start(args, last) va_start(args, last) |
96aa2d94 | 932 | #else |
40a55d20 | 933 | # define _IO_va_start(args, last) va_start(args) |
96aa2d94 RM |
934 | #endif |
935 | ||
936 | extern struct _IO_fake_stdiobuf _IO_stdin_buf, _IO_stdout_buf, _IO_stderr_buf; | |
937 | ||
938 | #if 1 | |
40a55d20 | 939 | # define COERCE_FILE(FILE) /* Nothing */ |
96aa2d94 RM |
940 | #else |
941 | /* This is part of the kludge for binary compatibility with old stdio. */ | |
40a55d20 | 942 | # define COERCE_FILE(FILE) \ |
96aa2d94 RM |
943 | (((FILE)->_IO_file_flags & _IO_MAGIC_MASK) == _OLD_MAGIC_MASK \ |
944 | && (FILE) = *(FILE**)&((int*)fp)[1]) | |
945 | #endif | |
946 | ||
947 | #ifdef EINVAL | |
40a55d20 | 948 | # define MAYBE_SET_EINVAL __set_errno (EINVAL) |
96aa2d94 | 949 | #else |
40a55d20 | 950 | # define MAYBE_SET_EINVAL /* nothing */ |
96aa2d94 RM |
951 | #endif |
952 | ||
f65fd747 | 953 | #ifdef IO_DEBUG |
40a55d20 | 954 | # define CHECK_FILE(FILE, RET) \ |
96aa2d94 RM |
955 | if ((FILE) == NULL) { MAYBE_SET_EINVAL; return RET; } \ |
956 | else { COERCE_FILE(FILE); \ | |
957 | if (((FILE)->_IO_file_flags & _IO_MAGIC_MASK) != _IO_MAGIC) \ | |
68dbb3a6 | 958 | { MAYBE_SET_EINVAL; return RET; }} |
96aa2d94 | 959 | #else |
40a55d20 | 960 | # define CHECK_FILE(FILE, RET) COERCE_FILE (FILE) |
96aa2d94 | 961 | #endif |
eef80cf8 UD |
962 | |
963 | static inline void | |
964 | __attribute__ ((__always_inline__)) | |
965 | _IO_acquire_lock_fct (_IO_FILE **p) | |
966 | { | |
967 | _IO_FILE *fp = *p; | |
968 | if ((fp->_flags & _IO_USER_LOCK) == 0) | |
969 | _IO_funlockfile (fp); | |
970 | } | |
b257c726 UD |
971 | |
972 | static inline void | |
973 | __attribute__ ((__always_inline__)) | |
974 | _IO_acquire_lock_clear_flags2_fct (_IO_FILE **p) | |
975 | { | |
976 | _IO_FILE *fp = *p; | |
874aa523 | 977 | fp->_flags2 &= ~(_IO_FLAGS2_FORTIFY | _IO_FLAGS2_SCANF_STD); |
b257c726 UD |
978 | if ((fp->_flags & _IO_USER_LOCK) == 0) |
979 | _IO_funlockfile (fp); | |
980 | } |