include/stdio.h

   1 #ifndef _STDIO_H
   2 # if defined __need_FILE || defined __need___FILE || defined _ISOMAC
   3 #  include <libio/stdio.h>
   4 # else
   5 #  include <libio/stdio.h>
   6
   7 /* Now define the internal interfaces.  */
   8 __BEGIN_DECLS
   9
  10 extern int __fcloseall (void);
  11 extern int __snprintf (char *__restrict __s, size_t __maxlen,
  12                        const char *__restrict __format, ...)
  13      __attribute__ ((__format__ (__printf__, 3, 4)));
  14 extern int __vsnprintf (char *__restrict __s, size_t __maxlen,
  15                         const char *__restrict __format, _G_va_list __arg)
  16      __attribute__ ((__format__ (__printf__, 3, 0)));
  17 extern int __vfscanf (FILE *__restrict __s,
  18                       const char *__restrict __format,
  19                       _G_va_list __arg)
  20      __attribute__ ((__format__ (__scanf__, 2, 0)));
  21 libc_hidden_proto (__vfscanf)
  22 extern int __vscanf (const char *__restrict __format,
  23                      _G_va_list __arg)
  24      __attribute__ ((__format__ (__scanf__, 1, 0)));
  25 extern _IO_ssize_t __getline (char **__lineptr, size_t *__n,
  26                               FILE *__stream);
  27 extern int __vsscanf (const char *__restrict __s,
  28                       const char *__restrict __format,
  29                       _G_va_list __arg)
  30      __attribute__ ((__format__ (__scanf__, 2, 0)));
  31
  32 #  ifndef __cplusplus
  33 extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
  34 extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
  35      __THROW;
  36 extern int __vsprintf_chk (char *, int, size_t, const char *,
  37                            _G_va_list) __THROW;
  38 extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
  39                             _G_va_list) __THROW;
  40 extern int __printf_chk (int, const char *, ...);
  41 extern int __fprintf_chk (FILE *, int, const char *, ...);
  42 extern int __vprintf_chk (int, const char *, _G_va_list);
  43 extern int __vfprintf_chk (FILE *, int, const char *, _G_va_list);
  44 extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
  45 extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
  46 extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
  47 extern int __vasprintf_chk (char **, int, const char *, _G_va_list) __THROW;
  48 extern int __dprintf_chk (int, int, const char *, ...);
  49 extern int __vdprintf_chk (int, int, const char *, _G_va_list);
  50 extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
  51      __THROW;
  52 extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
  53                                   _G_va_list) __THROW;
  54 #  endif
  55
  56 extern int __isoc99_fscanf (FILE *__restrict __stream,
  57                             const char *__restrict __format, ...) __wur;
  58 extern int __isoc99_scanf (const char *__restrict __format, ...) __wur;
  59 extern int __isoc99_sscanf (const char *__restrict __s,
  60                             const char *__restrict __format, ...) __THROW;
  61 extern int __isoc99_vfscanf (FILE *__restrict __s,
  62                              const char *__restrict __format,
  63                              _G_va_list __arg) __wur;
  64 extern int __isoc99_vscanf (const char *__restrict __format,
  65                             _G_va_list __arg) __wur;
  66 extern int __isoc99_vsscanf (const char *__restrict __s,
  67                              const char *__restrict __format,
  68                              _G_va_list __arg) __THROW;
  69 libc_hidden_proto (__isoc99_vsscanf)
  70 libc_hidden_proto (__isoc99_vfscanf)
  71
  72 /* Prototypes for compatibility functions.  */
  73 extern FILE *__new_tmpfile (void);
  74 extern FILE *__old_tmpfile (void);
  75
  76
  77
  78 #  define __need_size_t
  79 #  define __need_wint_t
  80 #  include <stddef.h>
  81 /* Generate a unique file name (and possibly open it).  */
  82 extern int __path_search (char *__tmpl, size_t __tmpl_len,
  83                           const char *__dir, const char *__pfx,
  84                           int __try_tempdir);
  85
  86 extern int __gen_tempname (char *__tmpl, int __suffixlen, int __flags,
  87                            int __kind);
  88 /* The __kind argument to __gen_tempname may be one of: */
  89 #  define __GT_FILE     0       /* create a file */
  90 #  define __GT_DIR      1       /* create a directory */
  91 #  define __GT_NOCREATE 2       /* just find a name not currently in use */
  92
  93 /* Print out MESSAGE on the error output and abort.  */
  94 extern void __libc_fatal (const char *__message)
  95      __attribute__ ((__noreturn__));
  96 extern void __libc_message (int do_abort, const char *__fnt, ...);
  97 extern void __fortify_fail (const char *msg)
  98      __attribute__ ((__noreturn__)) internal_function;
  99 libc_hidden_proto (__fortify_fail)
 100
 101 /* Acquire ownership of STREAM.  */
 102 extern void __flockfile (FILE *__stream);
 103
 104 /* Relinquish the ownership granted for STREAM.  */
 105 extern void __funlockfile (FILE *__stream);
 106
 107 /* Try to acquire ownership of STREAM but do not block if it is not
 108    possible.  */
 109 extern int __ftrylockfile (FILE *__stream);
 110
 111 extern int __getc_unlocked (FILE *__fp);
 112 extern wint_t __getwc_unlocked (FILE *__fp);
 113
 114 extern int __fxprintf (FILE *__fp, const char *__fmt, ...)
 115      __attribute__ ((__format__ (__printf__, 2, 3)));
 116
 117 extern const char *const _sys_errlist_internal[] attribute_hidden;
 118 extern int _sys_nerr_internal attribute_hidden;
 119
 120 libc_hidden_proto (__asprintf)
 121 #  if IS_IN (libc)
 122 extern _IO_FILE *_IO_new_fopen (const char*, const char*);
 123 #   define fopen(fname, mode) _IO_new_fopen (fname, mode)
 124 extern _IO_FILE *_IO_new_fdopen (int, const char*);
 125 #   define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
 126 extern int _IO_new_fclose (_IO_FILE*);
 127 #   define fclose(fp) _IO_new_fclose (fp)
 128 extern int _IO_fputs (const char*, _IO_FILE*);
 129 libc_hidden_proto (_IO_fputs)
 130 #   define fputs(str, fp) _IO_fputs (str, fp)
 131 extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *);
 132 #   define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
 133 extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *);
 134 #   define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
 135 #  endif
 136
 137 libc_hidden_proto (dprintf)
 138 libc_hidden_proto (fprintf)
 139 libc_hidden_proto (vfprintf)
 140 libc_hidden_proto (sprintf)
 141 libc_hidden_proto (sscanf)
 142 libc_hidden_proto (fwrite)
 143 libc_hidden_proto (perror)
 144 libc_hidden_proto (remove)
 145 libc_hidden_proto (rewind)
 146 libc_hidden_proto (fileno)
 147 extern __typeof (fileno) __fileno;
 148 libc_hidden_proto (__fileno)
 149 libc_hidden_proto (fwrite)
 150 libc_hidden_proto (fseek)
 151 extern __typeof (ftello) __ftello;
 152 libc_hidden_proto (__ftello)
 153 libc_hidden_proto (fflush)
 154 libc_hidden_proto (fflush_unlocked)
 155 extern __typeof (fread_unlocked) __fread_unlocked;
 156 libc_hidden_proto (__fread_unlocked)
 157 libc_hidden_proto (fwrite_unlocked)
 158 libc_hidden_proto (fgets_unlocked)
 159 extern __typeof (fgets_unlocked) __fgets_unlocked;
 160 libc_hidden_proto (__fgets_unlocked)
 161 libc_hidden_proto (fputs_unlocked)
 162 libc_hidden_proto (fmemopen)
 163 /* The prototype needs repeating instead of using __typeof to use
 164    __THROW in C++ tests.  */
 165 extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
 166 libc_hidden_proto (__open_memstream)
 167 libc_hidden_proto (__libc_fatal)
 168 libc_hidden_proto (__vsprintf_chk)
 169 libc_hidden_proto (__vsnprintf_chk)
 170 libc_hidden_proto (__vfprintf_chk)
 171 libc_hidden_proto (__vasprintf_chk)
 172 libc_hidden_proto (__vdprintf_chk)
 173 libc_hidden_proto (__obstack_vprintf_chk)
 174
 175 /* The <stdio.h> header does not include the declaration for gets
 176    anymore when compiling with _GNU_SOURCE.  Provide a copy here.  */
 177 extern char *gets (char *__s);
 178 #  if __USE_FORTIFY_LEVEL > 0
 179 extern char *__gets_chk (char *__str, size_t) __wur;
 180 extern char *__REDIRECT (__gets_warn, (char *__str), gets)
 181      __wur __warnattr ("please use fgets or getline instead, gets can't "
 182                        "specify buffer size");
 183
 184 __fortify_function __wur char *
 185 gets (char *__str)
 186 {
 187   if (__bos (__str) != (size_t) -1)
 188     return __gets_chk (__str, __bos (__str));
 189   return __gets_warn (__str);
 190 }
 191 #  endif
 192
 193 __END_DECLS
 194 # endif
 195
 196 #endif