1#ifndef _STDIO_H
2# if !defined _ISOMAC && defined _IO_MTSAFE_IO
3# include <stdio-lock.h>
4# endif
5
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
11# endif
12# endif
13
14# include <libio/stdio.h>
15# ifndef _ISOMAC
16
17# define _LIBC_STDIO_H 1
18# include <libio/libio.h>
19
20/* Now define the internal interfaces. */
21
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)
30# else
31# define stdio_hidden_ldbl_proto(p,f) libc_hidden_proto (p ## f)
32# endif
33
34/* Set the error indicator on FP. */
35static inline void
36fseterr_unlocked (FILE *fp)
37{
38 fp->_flags |= _IO_ERR_SEEN;
39}
40
41extern int __fcloseall (void) attribute_hidden;
42extern int __snprintf (char *__restrict __s, size_t __maxlen,
43 const char *__restrict __format, ...)
44 __attribute__ ((__format__ (__printf__, 3, 4)));
45stdio_hidden_ldbl_proto (__, snprintf)
46
47extern int __vfscanf (FILE *__restrict __s,
48 const char *__restrict __format,
49 __gnuc_va_list __arg)
50 __attribute__ ((__format__ (__scanf__, 2, 0)));
51libc_hidden_proto (__vfscanf)
52extern int __vscanf (const char *__restrict __format,
53 __gnuc_va_list __arg)
54 __attribute__ ((__format__ (__scanf__, 1, 0)));
55extern __ssize_t __getline (char **__lineptr, size_t *__n,
56 FILE *__stream) attribute_hidden;
57extern int __vsscanf (const char *__restrict __s,
58 const char *__restrict __format,
59 __gnuc_va_list __arg)
60 __attribute__ ((__format__ (__scanf__, 2, 0)));
61
62extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
63extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
64 __THROW;
65extern int __vsprintf_chk (char *, int, size_t, const char *,
66 __gnuc_va_list) __THROW;
67extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
68 __gnuc_va_list) __THROW;
69extern int __printf_chk (int, const char *, ...);
70extern int __fprintf_chk (FILE *, int, const char *, ...);
71extern int __vprintf_chk (int, const char *, __gnuc_va_list);
72extern int __vfprintf_chk (FILE *, int, const char *, __gnuc_va_list);
73extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
74extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
75extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
76extern int __vasprintf_chk (char **, int, const char *, __gnuc_va_list) __THROW;
77extern int __dprintf_chk (int, int, const char *, ...);
78extern int __vdprintf_chk (int, int, const char *, __gnuc_va_list);
79extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
80 __THROW;
81extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
82 __gnuc_va_list) __THROW;
83
84extern int __isoc99_fscanf (FILE *__restrict __stream,
85 const char *__restrict __format, ...) __wur;
86extern int __isoc99_scanf (const char *__restrict __format, ...) __wur;
87extern int __isoc99_sscanf (const char *__restrict __s,
88 const char *__restrict __format, ...) __THROW;
89extern int __isoc99_vfscanf (FILE *__restrict __s,
90 const char *__restrict __format,
91 __gnuc_va_list __arg) __wur;
92extern int __isoc99_vscanf (const char *__restrict __format,
93 __gnuc_va_list __arg) __wur;
94extern int __isoc99_vsscanf (const char *__restrict __s,
95 const char *__restrict __format,
96 __gnuc_va_list __arg) __THROW;
97extern int __isoc23_fscanf (FILE *__restrict __stream,
98 const char *__restrict __format, ...) __wur;
99extern int __isoc23_scanf (const char *__restrict __format, ...) __wur;
100extern int __isoc23_sscanf (const char *__restrict __s,
101 const char *__restrict __format, ...) __THROW;
102extern int __isoc23_vfscanf (FILE *__restrict __s,
103 const char *__restrict __format,
104 __gnuc_va_list __arg) __wur;
105extern int __isoc23_vscanf (const char *__restrict __format,
106 __gnuc_va_list __arg) __wur;
107extern int __isoc23_vsscanf (const char *__restrict __s,
108 const char *__restrict __format,
109 __gnuc_va_list __arg) __THROW;
110
111libc_hidden_proto (__isoc99_sscanf)
112libc_hidden_proto (__isoc99_vsscanf)
113libc_hidden_proto (__isoc99_vfscanf)
114libc_hidden_proto (__isoc23_sscanf)
115libc_hidden_proto (__isoc23_vsscanf)
116libc_hidden_proto (__isoc23_vfscanf)
117
118/* Internal uses of sscanf should call the C2X-compliant version.
119 Unfortunately, symbol redirection is not transitive, so the
120 __REDIRECT in the public header does not link up with the above
121 libc_hidden_proto. Bridge the gap with a macro. */
122# if !__GLIBC_USE (DEPRECATED_SCANF)
123# undef sscanf
124# define sscanf __isoc23_sscanf
125# endif
126
127# if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 && IS_IN (libc)
128/* These are implemented as redirects to other public API.
129 Therefore, the usual redirection fails to avoid PLT. */
130extern __typeof (__isoc99_sscanf) ___ieee128_isoc99_sscanf __THROW;
131extern __typeof (__isoc99_vsscanf) ___ieee128_isoc99_vsscanf __THROW;
132extern __typeof (__isoc99_vfscanf) ___ieee128_isoc99_vfscanf __THROW;
133extern __typeof (__isoc23_sscanf) ___ieee128_isoc23_sscanf __THROW;
134extern __typeof (__isoc23_vsscanf) ___ieee128_isoc23_vsscanf __THROW;
135extern __typeof (__isoc23_vfscanf) ___ieee128_isoc23_vfscanf __THROW;
136libc_hidden_proto (___ieee128_isoc99_sscanf)
137libc_hidden_proto (___ieee128_isoc99_vsscanf)
138libc_hidden_proto (___ieee128_isoc99_vfscanf)
139libc_hidden_proto (___ieee128_isoc23_sscanf)
140libc_hidden_proto (___ieee128_isoc23_vsscanf)
141libc_hidden_proto (___ieee128_isoc23_vfscanf)
142#define __isoc99_sscanf ___ieee128_isoc99_sscanf
143#define __isoc99_vsscanf ___ieee128_isoc99_vsscanf
144#define __isoc99_vfscanf ___ieee128_isoc99_vfscanf
145#define __isoc23_sscanf ___ieee128_isoc23_sscanf
146#define __isoc23_vsscanf ___ieee128_isoc23_vsscanf
147#define __isoc23_vfscanf ___ieee128_isoc23_vfscanf
148# endif
149
150/* Prototypes for compatibility functions. */
151extern FILE *__new_tmpfile (void);
152extern FILE *__old_tmpfile (void);
153
154# define __need_size_t
155# include <stddef.h>
156
157# include <bits/types/wint_t.h>
158
159/* Generate a unique file name (and possibly open it). */
160extern int __path_search (char *__tmpl, size_t __tmpl_len,
161 const char *__dir, const char *__pfx,
162 int __try_tempdir) attribute_hidden;
163
164extern int __gen_tempname (char *__tmpl, int __suffixlen, int __flags,
165 int __kind) attribute_hidden;
166/* The __kind argument to __gen_tempname may be one of: */
167# define __GT_FILE 0 /* create a file */
168# define __GT_DIR 1 /* create a directory */
169# define __GT_NOCREATE 2 /* just find a name not currently in use */
170
171/* Print out MESSAGE (which should end with a newline) on the error output
172 and abort. */
173extern void __libc_fatal (const char *__message)
174 __attribute__ ((__noreturn__));
175_Noreturn void __libc_message (const char *__fnt, ...) attribute_hidden;
176extern void __fortify_fail (const char *msg) __attribute__ ((__noreturn__));
177libc_hidden_proto (__fortify_fail)
178
179/* Acquire ownership of STREAM. */
180extern void __flockfile (FILE *__stream) attribute_hidden;
181
182/* Relinquish the ownership granted for STREAM. */
183extern void __funlockfile (FILE *__stream) attribute_hidden;
184
185/* Try to acquire ownership of STREAM but do not block if it is not
186 possible. */
187extern int __ftrylockfile (FILE *__stream);
188
189extern int __getc_unlocked (FILE *__fp) attribute_hidden;
190extern wint_t __getwc_unlocked (FILE *__fp);
191
192extern int __fxprintf (FILE *__fp, const char *__fmt, ...)
193 __attribute__ ((__format__ (__printf__, 2, 3))) attribute_hidden;
194extern int __fxprintf_nocancel (FILE *__fp, const char *__fmt, ...)
195 __attribute__ ((__format__ (__printf__, 2, 3))) attribute_hidden;
196int __vfxprintf (FILE *__fp, const char *__fmt, __gnuc_va_list,
197 unsigned int)
198 attribute_hidden;
199
200extern const char *const _sys_errlist_internal[] attribute_hidden;
201extern const size_t _sys_errlist_internal_len attribute_hidden;
202extern const char *__get_errlist (int) attribute_hidden;
203extern const char *__get_errname (int) attribute_hidden;
204
205libc_hidden_ldbl_proto (__asprintf)
206
207# if IS_IN (libc)
208extern FILE *_IO_new_fopen (const char*, const char*);
209# define fopen(fname, mode) _IO_new_fopen (fname, mode)
210extern FILE *_IO_new_fdopen (int, const char*);
211# define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
212extern int _IO_new_fclose (FILE*);
213# define fclose(fp) _IO_new_fclose (fp)
214extern int _IO_fputs (const char*, FILE*);
215libc_hidden_proto (_IO_fputs)
216/* The compiler may optimize calls to fprintf into calls to fputs.
217 Use libc_hidden_proto to ensure that those calls, not redirected by
218 the fputs macro, also do not go through the PLT. */
219libc_hidden_proto (fputs)
220# define fputs(str, fp) _IO_fputs (str, fp)
221extern int _IO_new_fsetpos (FILE *, const __fpos_t *);
222# define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
223extern int _IO_new_fgetpos (FILE *, __fpos_t *);
224# define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
225# endif
226
227extern __typeof (dprintf) __dprintf
228 __attribute__ ((__format__ (__printf__, 2, 3)));
229stdio_hidden_ldbl_proto (__, dprintf)
230libc_hidden_ldbl_proto (dprintf)
231libc_hidden_ldbl_proto (fprintf)
232libc_hidden_ldbl_proto (vfprintf)
233libc_hidden_ldbl_proto (sprintf)
234libc_hidden_proto (ungetc)
235libc_hidden_proto (__getdelim)
236libc_hidden_proto (fwrite)
237libc_hidden_proto (perror)
238libc_hidden_proto (remove)
239libc_hidden_proto (rewind)
240libc_hidden_proto (fileno)
241extern __typeof (fileno) __fileno;
242libc_hidden_proto (__fileno)
243libc_hidden_proto (fwrite)
244libc_hidden_proto (fseek)
245extern __typeof (ftello) __ftello;
246libc_hidden_proto (__ftello)
247extern __typeof (fseeko64) __fseeko64;
248libc_hidden_proto (__fseeko64)
249extern __typeof (ftello64) __ftello64;
250libc_hidden_proto (__ftello64)
251libc_hidden_proto (fflush)
252libc_hidden_proto (fflush_unlocked)
253extern __typeof (fflush_unlocked) __fflush_unlocked;
254libc_hidden_proto (__fflush_unlocked)
255extern __typeof (fread_unlocked) __fread_unlocked;
256libc_hidden_proto (__fread_unlocked)
257libc_hidden_proto (fwrite_unlocked)
258libc_hidden_proto (fgets_unlocked)
259extern __typeof (fgets_unlocked) __fgets_unlocked;
260libc_hidden_proto (__fgets_unlocked)
261libc_hidden_proto (fputs_unlocked)
262extern __typeof (fputs_unlocked) __fputs_unlocked;
263libc_hidden_proto (__fputs_unlocked)
264libc_hidden_proto (feof_unlocked)
265extern __typeof (feof_unlocked) __feof_unlocked attribute_hidden;
266libc_hidden_proto (ferror_unlocked)
267extern __typeof (ferror_unlocked) __ferror_unlocked attribute_hidden;
268libc_hidden_proto (getc_unlocked)
269libc_hidden_proto (fputc_unlocked)
270libc_hidden_proto (putc_unlocked)
271extern __typeof (putc_unlocked) __putc_unlocked attribute_hidden;
272libc_hidden_proto (fmemopen)
273/* The prototype needs repeating instead of using __typeof to use
274 __THROW in C++ tests. */
275extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
276libc_hidden_proto (__open_memstream)
277libc_hidden_proto (__libc_fatal)
278rtld_hidden_proto (__libc_fatal)
279
280libc_hidden_proto (__fgets_unlocked_chk)
281
282#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
283libc_hidden_ldbl_proto (__asprintf_chk)
284#else
285libc_hidden_proto (__asprintf_chk)
286#endif
287
288libc_hidden_ldbl_proto (__fprintf_chk)
289libc_hidden_ldbl_proto (__sprintf_chk)
290libc_hidden_ldbl_proto (__vsprintf_chk)
291
292extern FILE * __fmemopen (void *buf, size_t len, const char *mode);
293libc_hidden_proto (__fmemopen)
294
295extern int __gen_tempfd (int flags);
296libc_hidden_proto (__gen_tempfd)
297
298# ifdef __USE_EXTERN_INLINES
299__extern_inline int
300__NTH (__feof_unlocked (FILE *__stream))
301{
302 return __feof_unlocked_body (__stream);
303}
304
305__extern_inline int
306__NTH (__ferror_unlocked (FILE *__stream))
307{
308 return __ferror_unlocked_body (__stream);
309}
310
311__extern_inline int
312__getc_unlocked (FILE *__fp)
313{
314 return __getc_unlocked_body (__fp);
315}
316
317__extern_inline int
318__putc_unlocked (int __c, FILE *__stream)
319{
320 return __putc_unlocked_body (__c, __stream);
321}
322# endif
323
324extern __typeof (renameat) __renameat;
325libc_hidden_proto (__renameat)
326extern __typeof (renameat2) __renameat2;
327libc_hidden_proto (__renameat2)
328
329# endif /* not _ISOMAC */
330#endif /* stdio.h */
331