about summary refs log tree commit diff
path: root/include/stdio.h
blob: 1ffbc40b3dd4990ea02ede61e6c55c81ff807e21 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
#ifndef _STDIO_H
# if defined __need_FILE || defined __need___FILE || defined _ISOMAC
#  include <libio/stdio.h>
# else
#  include <libio/stdio.h>

/* Now define the internal interfaces.  */
__BEGIN_DECLS

extern int __fcloseall (void);
extern int __snprintf (char *__restrict __s, size_t __maxlen,
		       const char *__restrict __format, ...)
     __attribute__ ((__format__ (__printf__, 3, 4)));
extern int __vsnprintf (char *__restrict __s, size_t __maxlen,
			const char *__restrict __format, _G_va_list __arg)
     __attribute__ ((__format__ (__printf__, 3, 0)));
extern int __vfscanf (FILE *__restrict __s,
		      const char *__restrict __format,
		      _G_va_list __arg)
     __attribute__ ((__format__ (__scanf__, 2, 0)));
libc_hidden_proto (__vfscanf)
extern int __vscanf (const char *__restrict __format,
		     _G_va_list __arg)
     __attribute__ ((__format__ (__scanf__, 1, 0)));
extern _IO_ssize_t __getline (char **__lineptr, size_t *__n,
			      FILE *__stream);
extern int __vsscanf (const char *__restrict __s,
		      const char *__restrict __format,
		      _G_va_list __arg)
     __attribute__ ((__format__ (__scanf__, 2, 0)));

#  ifndef __cplusplus
extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
     __THROW;
extern int __vsprintf_chk (char *, int, size_t, const char *,
			   _G_va_list) __THROW;
extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
			    _G_va_list) __THROW;
extern int __printf_chk (int, const char *, ...);
extern int __fprintf_chk (FILE *, int, const char *, ...);
extern int __vprintf_chk (int, const char *, _G_va_list);
extern int __vfprintf_chk (FILE *, int, const char *, _G_va_list);
extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
extern int __vasprintf_chk (char **, int, const char *, _G_va_list) __THROW;
extern int __dprintf_chk (int, int, const char *, ...);
extern int __vdprintf_chk (int, int, const char *, _G_va_list);
extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
     __THROW;
extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
				  _G_va_list) __THROW;
#  endif

extern int __isoc99_fscanf (FILE *__restrict __stream,
			    const char *__restrict __format, ...) __wur;
extern int __isoc99_scanf (const char *__restrict __format, ...) __wur;
extern int __isoc99_sscanf (const char *__restrict __s,
			    const char *__restrict __format, ...) __THROW;
extern int __isoc99_vfscanf (FILE *__restrict __s,
			     const char *__restrict __format,
			     _G_va_list __arg) __wur;
extern int __isoc99_vscanf (const char *__restrict __format,
			    _G_va_list __arg) __wur;
extern int __isoc99_vsscanf (const char *__restrict __s,
			     const char *__restrict __format,
			     _G_va_list __arg) __THROW;
libc_hidden_proto (__isoc99_vsscanf)
libc_hidden_proto (__isoc99_vfscanf)

/* Prototypes for compatibility functions.  */
extern FILE *__new_tmpfile (void);
extern FILE *__old_tmpfile (void);



#  define __need_size_t
#  define __need_wint_t
#  include <stddef.h>
/* Generate a unique file name (and possibly open it).  */
extern int __path_search (char *__tmpl, size_t __tmpl_len,
			  const char *__dir, const char *__pfx,
			  int __try_tempdir);

extern int __gen_tempname (char *__tmpl, int __suffixlen, int __flags,
			   int __kind);
/* The __kind argument to __gen_tempname may be one of: */
#  define __GT_FILE	0	/* create a file */
#  define __GT_DIR	1	/* create a directory */
#  define __GT_NOCREATE	2	/* just find a name not currently in use */

/* Print out MESSAGE on the error output and abort.  */
extern void __libc_fatal (const char *__message)
     __attribute__ ((__noreturn__));
extern void __libc_message (int do_abort, const char *__fnt, ...);
extern void __fortify_fail (const char *msg)
     __attribute__ ((__noreturn__)) internal_function;
libc_hidden_proto (__fortify_fail)

/* Acquire ownership of STREAM.  */
extern void __flockfile (FILE *__stream);

/* Relinquish the ownership granted for STREAM.  */
extern void __funlockfile (FILE *__stream);

/* Try to acquire ownership of STREAM but do not block if it is not
   possible.  */
extern int __ftrylockfile (FILE *__stream);

extern int __getc_unlocked (FILE *__fp);
extern wint_t __getwc_unlocked (FILE *__fp);

extern int __fxprintf (FILE *__fp, const char *__fmt, ...)
     __attribute__ ((__format__ (__printf__, 2, 3)));

extern const char *const _sys_errlist_internal[] attribute_hidden;
extern int _sys_nerr_internal attribute_hidden;

libc_hidden_proto (__asprintf)
#  if IS_IN (libc)
extern _IO_FILE *_IO_new_fopen (const char*, const char*);
#   define fopen(fname, mode) _IO_new_fopen (fname, mode)
extern _IO_FILE *_IO_new_fdopen (int, const char*);
#   define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
extern int _IO_new_fclose (_IO_FILE*);
#   define fclose(fp) _IO_new_fclose (fp)
extern int _IO_fputs (const char*, _IO_FILE*);
libc_hidden_proto (_IO_fputs)
#   define fputs(str, fp) _IO_fputs (str, fp)
extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *);
#   define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *);
#   define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
#  endif

libc_hidden_proto (dprintf)
extern __typeof (dprintf) __dprintf
     __attribute__ ((__format__ (__printf__, 2, 3)));
libc_hidden_proto (__dprintf)
libc_hidden_proto (fprintf)
libc_hidden_proto (vfprintf)
libc_hidden_proto (sprintf)
libc_hidden_proto (sscanf)
libc_hidden_proto (fwrite)
libc_hidden_proto (perror)
libc_hidden_proto (remove)
libc_hidden_proto (rewind)
libc_hidden_proto (fileno)
extern __typeof (fileno) __fileno;
libc_hidden_proto (__fileno)
libc_hidden_proto (fwrite)
libc_hidden_proto (fseek)
extern __typeof (ftello) __ftello;
libc_hidden_proto (__ftello)
libc_hidden_proto (fflush)
libc_hidden_proto (fflush_unlocked)
extern __typeof (fflush_unlocked) __fflush_unlocked;
libc_hidden_proto (__fflush_unlocked)
extern __typeof (fread_unlocked) __fread_unlocked;
libc_hidden_proto (__fread_unlocked)
libc_hidden_proto (fwrite_unlocked)
libc_hidden_proto (fgets_unlocked)
extern __typeof (fgets_unlocked) __fgets_unlocked;
libc_hidden_proto (__fgets_unlocked)
libc_hidden_proto (fputs_unlocked)
extern __typeof (fputs_unlocked) __fputs_unlocked;
libc_hidden_proto (__fputs_unlocked)
libc_hidden_proto (fmemopen)
/* The prototype needs repeating instead of using __typeof to use
   __THROW in C++ tests.  */
extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
libc_hidden_proto (__open_memstream)
libc_hidden_proto (__libc_fatal)
rtld_hidden_proto (__libc_fatal)
libc_hidden_proto (__vsprintf_chk)
libc_hidden_proto (__vsnprintf_chk)
libc_hidden_proto (__vfprintf_chk)
libc_hidden_proto (__vasprintf_chk)
libc_hidden_proto (__vdprintf_chk)
libc_hidden_proto (__obstack_vprintf_chk)

/* The <stdio.h> header does not include the declaration for gets
   anymore when compiling with _GNU_SOURCE.  Provide a copy here.  */
extern char *gets (char *__s);
#  if __USE_FORTIFY_LEVEL > 0
extern char *__gets_chk (char *__str, size_t) __wur;
extern char *__REDIRECT (__gets_warn, (char *__str), gets)
     __wur __warnattr ("please use fgets or getline instead, gets can't "
		       "specify buffer size");

__fortify_function __wur char *
gets (char *__str)
{
  if (__bos (__str) != (size_t) -1)
    return __gets_chk (__str, __bos (__str));
  return __gets_warn (__str);
}
#  endif

extern FILE * __fmemopen (void *buf, size_t len, const char *mode);
libc_hidden_proto (__fmemopen)

__END_DECLS
# endif

#endif