1#ifndef _STDIO_H
2# if !defined _ISOMAC && defined _IO_MTSAFE_IO
3# include <stdio-lock.h>
4# endif
5# include <libio/stdio.h>
6# ifndef _ISOMAC
7# define _LIBC_STDIO_H 1
8# include <libio/libio.h>
9
10/* Now define the internal interfaces. */
11
12extern int __fcloseall (void) attribute_hidden;
13extern int __snprintf (char *__restrict __s, size_t __maxlen,
14 const char *__restrict __format, ...)
15 __attribute__ ((__format__ (__printf__, 3, 4)));
16libc_hidden_proto (__snprintf)
17extern int __vfscanf (FILE *__restrict __s,
18 const char *__restrict __format,
19 __gnuc_va_list __arg)
20 __attribute__ ((__format__ (__scanf__, 2, 0)));
21libc_hidden_proto (__vfscanf)
22extern int __vscanf (const char *__restrict __format,
23 __gnuc_va_list __arg)
24 __attribute__ ((__format__ (__scanf__, 1, 0)));
25extern __ssize_t __getline (char **__lineptr, size_t *__n,
26 FILE *__stream) attribute_hidden;
27extern int __vsscanf (const char *__restrict __s,
28 const char *__restrict __format,
29 __gnuc_va_list __arg)
30 __attribute__ ((__format__ (__scanf__, 2, 0)));
31
32extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
33extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
34 __THROW;
35extern int __vsprintf_chk (char *, int, size_t, const char *,
36 __gnuc_va_list) __THROW;
37extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
38 __gnuc_va_list) __THROW;
39extern int __printf_chk (int, const char *, ...);
40extern int __fprintf_chk (FILE *, int, const char *, ...);
41extern int __vprintf_chk (int, const char *, __gnuc_va_list);
42extern int __vfprintf_chk (FILE *, int, const char *, __gnuc_va_list);
43extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
44extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
45extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
46extern int __vasprintf_chk (char **, int, const char *, __gnuc_va_list) __THROW;
47extern int __dprintf_chk (int, int, const char *, ...);
48extern int __vdprintf_chk (int, int, const char *, __gnuc_va_list);
49extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
50 __THROW;
51extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
52 __gnuc_va_list) __THROW;
53
54extern int __isoc99_fscanf (FILE *__restrict __stream,
55 const char *__restrict __format, ...) __wur;
56extern int __isoc99_scanf (const char *__restrict __format, ...) __wur;
57extern int __isoc99_sscanf (const char *__restrict __s,
58 const char *__restrict __format, ...) __THROW;
59extern int __isoc99_vfscanf (FILE *__restrict __s,
60 const char *__restrict __format,
61 __gnuc_va_list __arg) __wur;
62extern int __isoc99_vscanf (const char *__restrict __format,
63 __gnuc_va_list __arg) __wur;
64extern int __isoc99_vsscanf (const char *__restrict __s,
65 const char *__restrict __format,
66 __gnuc_va_list __arg) __THROW;
67libc_hidden_proto (__isoc99_sscanf)
68libc_hidden_proto (__isoc99_vsscanf)
69libc_hidden_proto (__isoc99_vfscanf)
70
71/* Internal uses of sscanf should call the C99-compliant version.
72 Unfortunately, symbol redirection is not transitive, so the
73 __REDIRECT in the public header does not link up with the above
74 libc_hidden_proto. Bridge the gap with a macro. */
75# if !__GLIBC_USE (DEPRECATED_SCANF)
76# undef sscanf
77# define sscanf __isoc99_sscanf
78# endif
79
80/* Prototypes for compatibility functions. */
81extern FILE *__new_tmpfile (void);
82extern FILE *__old_tmpfile (void);
83
84# define __need_size_t
85# include <stddef.h>
86
87# include <bits/types/wint_t.h>
88
89/* Generate a unique file name (and possibly open it). */
90extern int __path_search (char *__tmpl, size_t __tmpl_len,
91 const char *__dir, const char *__pfx,
92 int __try_tempdir) attribute_hidden;
93
94extern int __gen_tempname (char *__tmpl, int __suffixlen, int __flags,
95 int __kind) attribute_hidden;
96/* The __kind argument to __gen_tempname may be one of: */
97# define __GT_FILE 0 /* create a file */
98# define __GT_DIR 1 /* create a directory */
99# define __GT_NOCREATE 2 /* just find a name not currently in use */
100
101enum __libc_message_action
102{
103 do_message = 0, /* Print message. */
104 do_abort = 1 << 0, /* Abort. */
105 do_backtrace = 1 << 1 /* Backtrace. */
106};
107
108/* Print out MESSAGE (which should end with a newline) on the error output
109 and abort. */
110extern void __libc_fatal (const char *__message)
111 __attribute__ ((__noreturn__));
112extern void __libc_message (enum __libc_message_action action,
113 const char *__fnt, ...) attribute_hidden;
114extern void __fortify_fail (const char *msg) __attribute__ ((__noreturn__));
115extern void __fortify_fail_abort (_Bool, const char *msg)
116 __attribute__ ((__noreturn__)) attribute_hidden;
117libc_hidden_proto (__fortify_fail)
118libc_hidden_proto (__fortify_fail_abort)
119
120/* Acquire ownership of STREAM. */
121extern void __flockfile (FILE *__stream) attribute_hidden;
122
123/* Relinquish the ownership granted for STREAM. */
124extern void __funlockfile (FILE *__stream) attribute_hidden;
125
126/* Try to acquire ownership of STREAM but do not block if it is not
127 possible. */
128extern int __ftrylockfile (FILE *__stream);
129
130extern int __getc_unlocked (FILE *__fp) attribute_hidden;
131extern wint_t __getwc_unlocked (FILE *__fp);
132
133extern int __fxprintf (FILE *__fp, const char *__fmt, ...)
134 __attribute__ ((__format__ (__printf__, 2, 3))) attribute_hidden;
135extern int __fxprintf_nocancel (FILE *__fp, const char *__fmt, ...)
136 __attribute__ ((__format__ (__printf__, 2, 3))) attribute_hidden;
137int __vfxprintf (FILE *__fp, const char *__fmt, __gnuc_va_list,
138 unsigned int)
139 attribute_hidden;
140
141/* Read the next line from FP into BUFFER, of LENGTH bytes. LINE will
142 include the line terminator and a NUL terminator. On success,
143 return the length of the line, including the line terminator, but
144 excluding the NUL termintor. On EOF, return zero and write a NUL
145 terminator. On error, return -1 and set errno. If the total byte
146 count (line and both terminators) exceeds LENGTH, return -1 and set
147 errno to ERANGE (but do not mark the stream as failed).
148
149 The behavior is undefined if FP is not seekable, or if the stream
150 is already in an error state. */
151ssize_t __libc_readline_unlocked (FILE *fp, char *buffer, size_t length);
152libc_hidden_proto (__libc_readline_unlocked);
153
154extern const char *const _sys_errlist_internal[] attribute_hidden;
155extern int _sys_nerr_internal attribute_hidden;
156
157libc_hidden_proto (__asprintf)
158# if IS_IN (libc)
159extern FILE *_IO_new_fopen (const char*, const char*);
160# define fopen(fname, mode) _IO_new_fopen (fname, mode)
161extern FILE *_IO_new_fdopen (int, const char*);
162# define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
163extern int _IO_new_fclose (FILE*);
164# define fclose(fp) _IO_new_fclose (fp)
165extern int _IO_fputs (const char*, FILE*);
166libc_hidden_proto (_IO_fputs)
167/* The compiler may optimize calls to fprintf into calls to fputs.
168 Use libc_hidden_proto to ensure that those calls, not redirected by
169 the fputs macro, also do not go through the PLT. */
170libc_hidden_proto (fputs)
171# define fputs(str, fp) _IO_fputs (str, fp)
172extern int _IO_new_fsetpos (FILE *, const __fpos_t *);
173# define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
174extern int _IO_new_fgetpos (FILE *, __fpos_t *);
175# define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
176# endif
177
178libc_hidden_proto (dprintf)
179extern __typeof (dprintf) __dprintf
180 __attribute__ ((__format__ (__printf__, 2, 3)));
181libc_hidden_proto (__dprintf)
182libc_hidden_proto (fprintf)
183libc_hidden_proto (vfprintf)
184libc_hidden_proto (sprintf)
185libc_hidden_proto (fwrite)
186libc_hidden_proto (perror)
187libc_hidden_proto (remove)
188libc_hidden_proto (rewind)
189libc_hidden_proto (fileno)
190extern __typeof (fileno) __fileno;
191libc_hidden_proto (__fileno)
192libc_hidden_proto (fwrite)
193libc_hidden_proto (fseek)
194extern __typeof (ftello) __ftello;
195libc_hidden_proto (__ftello)
196extern __typeof (fseeko64) __fseeko64;
197libc_hidden_proto (__fseeko64)
198extern __typeof (ftello64) __ftello64;
199libc_hidden_proto (__ftello64)
200libc_hidden_proto (fflush)
201libc_hidden_proto (fflush_unlocked)
202extern __typeof (fflush_unlocked) __fflush_unlocked;
203libc_hidden_proto (__fflush_unlocked)
204extern __typeof (fread_unlocked) __fread_unlocked;
205libc_hidden_proto (__fread_unlocked)
206libc_hidden_proto (fwrite_unlocked)
207libc_hidden_proto (fgets_unlocked)
208extern __typeof (fgets_unlocked) __fgets_unlocked;
209libc_hidden_proto (__fgets_unlocked)
210libc_hidden_proto (fputs_unlocked)
211extern __typeof (fputs_unlocked) __fputs_unlocked;
212libc_hidden_proto (__fputs_unlocked)
213libc_hidden_proto (feof_unlocked)
214extern __typeof (feof_unlocked) __feof_unlocked attribute_hidden;
215libc_hidden_proto (ferror_unlocked)
216extern __typeof (ferror_unlocked) __ferror_unlocked attribute_hidden;
217libc_hidden_proto (getc_unlocked)
218libc_hidden_proto (fputc_unlocked)
219libc_hidden_proto (putc_unlocked)
220extern __typeof (putc_unlocked) __putc_unlocked attribute_hidden;
221libc_hidden_proto (fmemopen)
222/* The prototype needs repeating instead of using __typeof to use
223 __THROW in C++ tests. */
224extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
225libc_hidden_proto (__open_memstream)
226libc_hidden_proto (__libc_fatal)
227rtld_hidden_proto (__libc_fatal)
228libc_hidden_proto (__vsprintf_chk)
229
230extern FILE * __fmemopen (void *buf, size_t len, const char *mode);
231libc_hidden_proto (__fmemopen)
232
233extern int __gen_tempfd (int flags);
234libc_hidden_proto (__gen_tempfd)
235
236# ifdef __USE_EXTERN_INLINES
237__extern_inline int
238__NTH (__feof_unlocked (FILE *__stream))
239{
240 return __feof_unlocked_body (__stream);
241}
242
243__extern_inline int
244__NTH (__ferror_unlocked (FILE *__stream))
245{
246 return __ferror_unlocked_body (__stream);
247}
248
249__extern_inline int
250__getc_unlocked (FILE *__fp)
251{
252 return __getc_unlocked_body (__fp);
253}
254
255__extern_inline int
256__putc_unlocked (int __c, FILE *__stream)
257{
258 return __putc_unlocked_body (__c, __stream);
259}
260# endif
261
262extern __typeof (renameat) __renameat;
263libc_hidden_proto (__renameat)
264extern __typeof (renameat2) __renameat2;
265libc_hidden_proto (__renameat2)
266
267# endif /* not _ISOMAC */
268#endif /* stdio.h */
269