2 # if !defined _ISOMAC && defined _IO_MTSAFE_IO
3 # include <stdio-lock.h>
6 /* Workaround PR90731 with GCC 9 when using ldbl redirects in C++. */
7 # include <bits/floatn.h>
8 # if defined __cplusplus && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
9 # if __GNUC_PREREQ (9, 0) && !__GNUC_PREREQ (9, 3)
10 # pragma GCC system_header
14 # include <libio/stdio.h>
17 # define _LIBC_STDIO_H 1
18 # include <libio/libio.h>
20 /* Now define the internal interfaces. */
22 /* Some libc_hidden_ldbl_proto's do not map to a unique symbol when
23 redirecting ldouble to _Float128 variants. We can therefore safely
24 directly alias them to their internal name. */
25 # if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 && IS_IN (libc)
26 # define stdio_hidden_ldbl_proto(p, f) \
27 extern __typeof (p ## f) p ## f __asm (__ASMNAME ("___ieee128_" #f));
28 # elif __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
29 # define stdio_hidden_ldbl_proto(p,f) __LDBL_REDIR1_DECL (p ## f, p ## f ## ieee128)
31 # define stdio_hidden_ldbl_proto(p,f) libc_hidden_proto (p ## f)
34 /* Set the error indicator on FP. */
36 fseterr_unlocked (FILE *fp
)
38 fp
->_flags
|= _IO_ERR_SEEN
;
41 extern int __fcloseall (void) attribute_hidden
;
42 extern int __snprintf (char *__restrict __s
, size_t __maxlen
,
43 const char *__restrict __format
, ...)
44 __attribute__ ((__format__ (__printf__
, 3, 4)));
45 stdio_hidden_ldbl_proto (__
, snprintf
)
47 extern int __vfscanf (FILE *__restrict __s
,
48 const char *__restrict __format
,
50 __attribute__ ((__format__ (__scanf__
, 2, 0)));
51 libc_hidden_proto (__vfscanf
)
52 extern int __vscanf (const char *__restrict __format
,
54 __attribute__ ((__format__ (__scanf__
, 1, 0)));
55 extern __ssize_t
__getline (char **__lineptr
, size_t *__n
,
56 FILE *__stream
) attribute_hidden
;
57 extern int __vsscanf (const char *__restrict __s
,
58 const char *__restrict __format
,
60 __attribute__ ((__format__ (__scanf__
, 2, 0)));
62 extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW
;
63 extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
65 extern int __vsprintf_chk (char *, int, size_t, const char *,
66 __gnuc_va_list
) __THROW
;
67 extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
68 __gnuc_va_list
) __THROW
;
69 extern int __printf_chk (int, const char *, ...);
70 extern int __fprintf_chk (FILE *, int, const char *, ...);
71 extern int __vprintf_chk (int, const char *, __gnuc_va_list
);
72 extern int __vfprintf_chk (FILE *, int, const char *, __gnuc_va_list
);
73 extern char *__fgets_unlocked_chk (char *buf
, size_t size
, int n
, FILE *fp
);
74 extern char *__fgets_chk (char *buf
, size_t size
, int n
, FILE *fp
);
75 extern int __asprintf_chk (char **, int, const char *, ...) __THROW
;
76 extern int __vasprintf_chk (char **, int, const char *, __gnuc_va_list
) __THROW
;
77 extern int __dprintf_chk (int, int, const char *, ...);
78 extern int __vdprintf_chk (int, int, const char *, __gnuc_va_list
);
79 extern int __obstack_printf_chk (struct obstack
*, int, const char *, ...)
81 extern int __obstack_vprintf_chk (struct obstack
*, int, const char *,
82 __gnuc_va_list
) __THROW
;
84 extern int __isoc99_fscanf (FILE *__restrict __stream
,
85 const char *__restrict __format
, ...) __wur
;
86 extern int __isoc99_scanf (const char *__restrict __format
, ...) __wur
;
87 extern int __isoc99_sscanf (const char *__restrict __s
,
88 const char *__restrict __format
, ...) __THROW
;
89 extern int __isoc99_vfscanf (FILE *__restrict __s
,
90 const char *__restrict __format
,
91 __gnuc_va_list __arg
) __wur
;
92 extern int __isoc99_vscanf (const char *__restrict __format
,
93 __gnuc_va_list __arg
) __wur
;
94 extern int __isoc99_vsscanf (const char *__restrict __s
,
95 const char *__restrict __format
,
96 __gnuc_va_list __arg
) __THROW
;
98 libc_hidden_proto (__isoc99_sscanf
)
99 libc_hidden_proto (__isoc99_vsscanf
)
100 libc_hidden_proto (__isoc99_vfscanf
)
102 /* Internal uses of sscanf should call the C99-compliant version.
103 Unfortunately, symbol redirection is not transitive, so the
104 __REDIRECT in the public header does not link up with the above
105 libc_hidden_proto. Bridge the gap with a macro. */
106 # if !__GLIBC_USE (DEPRECATED_SCANF)
108 # define sscanf __isoc99_sscanf
111 # if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 && IS_IN (libc)
112 /* These are implemented as redirects to other public API.
113 Therefore, the usual redirection fails to avoid PLT. */
114 extern __typeof (__isoc99_sscanf
) ___ieee128_isoc99_sscanf __THROW
;
115 extern __typeof (__isoc99_vsscanf
) ___ieee128_isoc99_vsscanf __THROW
;
116 extern __typeof (__isoc99_vfscanf
) ___ieee128_isoc99_vfscanf __THROW
;
117 libc_hidden_proto (___ieee128_isoc99_sscanf
)
118 libc_hidden_proto (___ieee128_isoc99_vsscanf
)
119 libc_hidden_proto (___ieee128_isoc99_vfscanf
)
120 #define __isoc99_sscanf ___ieee128_isoc99_sscanf
121 #define __isoc99_vsscanf ___ieee128_isoc99_vsscanf
122 #define __isoc99_vfscanf ___ieee128_isoc99_vfscanf
125 /* Prototypes for compatibility functions. */
126 extern FILE *__new_tmpfile (void);
127 extern FILE *__old_tmpfile (void);
129 # define __need_size_t
132 # include <bits/types/wint_t.h>
134 /* Generate a unique file name (and possibly open it). */
135 extern int __path_search (char *__tmpl
, size_t __tmpl_len
,
136 const char *__dir
, const char *__pfx
,
137 int __try_tempdir
) attribute_hidden
;
139 extern int __gen_tempname (char *__tmpl
, int __suffixlen
, int __flags
,
140 int __kind
) attribute_hidden
;
141 /* The __kind argument to __gen_tempname may be one of: */
142 # define __GT_FILE 0 /* create a file */
143 # define __GT_DIR 1 /* create a directory */
144 # define __GT_NOCREATE 2 /* just find a name not currently in use */
146 enum __libc_message_action
148 do_message
= 0, /* Print message. */
149 do_abort
= 1 << 0, /* Abort. */
152 /* Print out MESSAGE (which should end with a newline) on the error output
154 extern void __libc_fatal (const char *__message
)
155 __attribute__ ((__noreturn__
));
156 extern void __libc_message (enum __libc_message_action action
,
157 const char *__fnt
, ...) attribute_hidden
;
158 extern void __fortify_fail (const char *msg
) __attribute__ ((__noreturn__
));
159 libc_hidden_proto (__fortify_fail
)
161 /* Acquire ownership of STREAM. */
162 extern void __flockfile (FILE *__stream
) attribute_hidden
;
164 /* Relinquish the ownership granted for STREAM. */
165 extern void __funlockfile (FILE *__stream
) attribute_hidden
;
167 /* Try to acquire ownership of STREAM but do not block if it is not
169 extern int __ftrylockfile (FILE *__stream
);
171 extern int __getc_unlocked (FILE *__fp
) attribute_hidden
;
172 extern wint_t __getwc_unlocked (FILE *__fp
);
174 extern int __fxprintf (FILE *__fp
, const char *__fmt
, ...)
175 __attribute__ ((__format__ (__printf__
, 2, 3))) attribute_hidden
;
176 extern int __fxprintf_nocancel (FILE *__fp
, const char *__fmt
, ...)
177 __attribute__ ((__format__ (__printf__
, 2, 3))) attribute_hidden
;
178 int __vfxprintf (FILE *__fp
, const char *__fmt
, __gnuc_va_list
,
182 extern const char *const _sys_errlist_internal
[] attribute_hidden
;
183 extern const size_t _sys_errlist_internal_len attribute_hidden
;
184 extern const char *__get_errlist (int) attribute_hidden
;
185 extern const char *__get_errname (int) attribute_hidden
;
187 libc_hidden_ldbl_proto (__asprintf
)
190 extern FILE *_IO_new_fopen (const char*, const char*);
191 # define fopen(fname, mode) _IO_new_fopen (fname, mode)
192 extern FILE *_IO_new_fdopen (int, const char*);
193 # define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
194 extern int _IO_new_fclose (FILE*);
195 # define fclose(fp) _IO_new_fclose (fp)
196 extern int _IO_fputs (const char*, FILE*);
197 libc_hidden_proto (_IO_fputs
)
198 /* The compiler may optimize calls to fprintf into calls to fputs.
199 Use libc_hidden_proto to ensure that those calls, not redirected by
200 the fputs macro, also do not go through the PLT. */
201 libc_hidden_proto (fputs
)
202 # define fputs(str, fp) _IO_fputs (str, fp)
203 extern int _IO_new_fsetpos (FILE *, const __fpos_t
*);
204 # define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
205 extern int _IO_new_fgetpos (FILE *, __fpos_t
*);
206 # define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
209 extern __typeof (dprintf
) __dprintf
210 __attribute__ ((__format__ (__printf__
, 2, 3)));
211 stdio_hidden_ldbl_proto (__
, dprintf
)
212 libc_hidden_ldbl_proto (dprintf
)
213 libc_hidden_ldbl_proto (fprintf
)
214 libc_hidden_ldbl_proto (vfprintf
)
215 libc_hidden_ldbl_proto (sprintf
)
216 libc_hidden_proto (ungetc
)
217 libc_hidden_proto (__getdelim
)
218 libc_hidden_proto (fwrite
)
219 libc_hidden_proto (perror
)
220 libc_hidden_proto (remove
)
221 libc_hidden_proto (rewind
)
222 libc_hidden_proto (fileno
)
223 extern __typeof (fileno
) __fileno
;
224 libc_hidden_proto (__fileno
)
225 libc_hidden_proto (fwrite
)
226 libc_hidden_proto (fseek
)
227 extern __typeof (ftello
) __ftello
;
228 libc_hidden_proto (__ftello
)
229 extern __typeof (fseeko64
) __fseeko64
;
230 libc_hidden_proto (__fseeko64
)
231 extern __typeof (ftello64
) __ftello64
;
232 libc_hidden_proto (__ftello64
)
233 libc_hidden_proto (fflush
)
234 libc_hidden_proto (fflush_unlocked
)
235 extern __typeof (fflush_unlocked
) __fflush_unlocked
;
236 libc_hidden_proto (__fflush_unlocked
)
237 extern __typeof (fread_unlocked
) __fread_unlocked
;
238 libc_hidden_proto (__fread_unlocked
)
239 libc_hidden_proto (fwrite_unlocked
)
240 libc_hidden_proto (fgets_unlocked
)
241 extern __typeof (fgets_unlocked
) __fgets_unlocked
;
242 libc_hidden_proto (__fgets_unlocked
)
243 libc_hidden_proto (fputs_unlocked
)
244 extern __typeof (fputs_unlocked
) __fputs_unlocked
;
245 libc_hidden_proto (__fputs_unlocked
)
246 libc_hidden_proto (feof_unlocked
)
247 extern __typeof (feof_unlocked
) __feof_unlocked attribute_hidden
;
248 libc_hidden_proto (ferror_unlocked
)
249 extern __typeof (ferror_unlocked
) __ferror_unlocked attribute_hidden
;
250 libc_hidden_proto (getc_unlocked
)
251 libc_hidden_proto (fputc_unlocked
)
252 libc_hidden_proto (putc_unlocked
)
253 extern __typeof (putc_unlocked
) __putc_unlocked attribute_hidden
;
254 libc_hidden_proto (fmemopen
)
255 /* The prototype needs repeating instead of using __typeof to use
256 __THROW in C++ tests. */
257 extern FILE *__open_memstream (char **, size_t *) __THROW __wur
;
258 libc_hidden_proto (__open_memstream
)
259 libc_hidden_proto (__libc_fatal
)
260 rtld_hidden_proto (__libc_fatal
)
261 libc_hidden_proto (__vsprintf_chk
)
263 extern FILE * __fmemopen (void *buf
, size_t len
, const char *mode
);
264 libc_hidden_proto (__fmemopen
)
266 extern int __gen_tempfd (int flags
);
267 libc_hidden_proto (__gen_tempfd
)
269 # ifdef __USE_EXTERN_INLINES
271 __NTH (__feof_unlocked (FILE *__stream
))
273 return __feof_unlocked_body (__stream
);
277 __NTH (__ferror_unlocked (FILE *__stream
))
279 return __ferror_unlocked_body (__stream
);
283 __getc_unlocked (FILE *__fp
)
285 return __getc_unlocked_body (__fp
);
289 __putc_unlocked (int __c
, FILE *__stream
)
291 return __putc_unlocked_body (__c
, __stream
);
295 extern __typeof (renameat
) __renameat
;
296 libc_hidden_proto (__renameat
)
297 extern __typeof (renameat2
) __renameat2
;
298 libc_hidden_proto (__renameat2
)
300 # endif /* not _ISOMAC */