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 libc_hidden_proto (__snprintf)
  15 extern int __vsnprintf (char *__restrict __s, size_t __maxlen,
  16                         const char *__restrict __format, _G_va_list __arg)
  17      __attribute__ ((__format__ (__printf__, 3, 0)));
  18 extern int __vfscanf (FILE *__restrict __s,
  19                       const char *__restrict __format,
  20                       _G_va_list __arg)
  21      __attribute__ ((__format__ (__scanf__, 2, 0)));
  22 libc_hidden_proto (__vfscanf)
  23 extern int __vscanf (const char *__restrict __format,
  24                      _G_va_list __arg)
  25      __attribute__ ((__format__ (__scanf__, 1, 0)));
  26 extern _IO_ssize_t __getline (char **__lineptr, size_t *__n,
  27                               FILE *__stream);
  28 extern int __vsscanf (const char *__restrict __s,
  29                       const char *__restrict __format,
  30                       _G_va_list __arg)
  31      __attribute__ ((__format__ (__scanf__, 2, 0)));
  32
  33 #  ifndef __cplusplus
  34 extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
  35 extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
  36      __THROW;
  37 extern int __vsprintf_chk (char *, int, size_t, const char *,
  38                            _G_va_list) __THROW;
  39 extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
  40                             _G_va_list) __THROW;
  41 extern int __printf_chk (int, const char *, ...);
  42 extern int __fprintf_chk (FILE *, int, const char *, ...);
  43 extern int __vprintf_chk (int, const char *, _G_va_list);
  44 extern int __vfprintf_chk (FILE *, int, const char *, _G_va_list);
  45 extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
  46 extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
  47 extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
  48 extern int __vasprintf_chk (char **, int, const char *, _G_va_list) __THROW;
  49 extern int __dprintf_chk (int, int, const char *, ...);
  50 extern int __vdprintf_chk (int, int, const char *, _G_va_list);
  51 extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
  52      __THROW;
  53 extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
  54                                   _G_va_list) __THROW;
  55 #  endif
  56
  57 extern int __isoc99_fscanf (FILE *__restrict __stream,
  58                             const char *__restrict __format, ...) __wur;
  59 extern int __isoc99_scanf (const char *__restrict __format, ...) __wur;
  60 extern int __isoc99_sscanf (const char *__restrict __s,
  61                             const char *__restrict __format, ...) __THROW;
  62 extern int __isoc99_vfscanf (FILE *__restrict __s,
  63                              const char *__restrict __format,
  64                              _G_va_list __arg) __wur;
  65 extern int __isoc99_vscanf (const char *__restrict __format,
  66                             _G_va_list __arg) __wur;
  67 extern int __isoc99_vsscanf (const char *__restrict __s,
  68                              const char *__restrict __format,
  69                              _G_va_list __arg) __THROW;
  70 libc_hidden_proto (__isoc99_vsscanf)
  71 libc_hidden_proto (__isoc99_vfscanf)
  72
  73 /* Prototypes for compatibility functions.  */
  74 extern FILE *__new_tmpfile (void);
  75 extern FILE *__old_tmpfile (void);
  76
  77
  78
  79 #  define __need_size_t
  80 #  define __need_wint_t
  81 #  include <stddef.h>
  82 /* Generate a unique file name (and possibly open it).  */
  83 extern int __path_search (char *__tmpl, size_t __tmpl_len,
  84                           const char *__dir, const char *__pfx,
  85                           int __try_tempdir);
  86
  87 extern int __gen_tempname (char *__tmpl, int __suffixlen, int __flags,
  88                            int __kind);
  89 /* The __kind argument to __gen_tempname may be one of: */
  90 #  define __GT_FILE     0       /* create a file */
  91 #  define __GT_DIR      1       /* create a directory */
  92 #  define __GT_NOCREATE 2       /* just find a name not currently in use */
  93
  94 /* Print out MESSAGE on the error output and abort.  */
  95 extern void __libc_fatal (const char *__message)
  96      __attribute__ ((__noreturn__));
  97 extern void __libc_message (int do_abort, const char *__fnt, ...);
  98 extern void __fortify_fail (const char *msg)
  99      __attribute__ ((__noreturn__)) internal_function;
 100 libc_hidden_proto (__fortify_fail)
 101
 102 /* Acquire ownership of STREAM.  */
 103 extern void __flockfile (FILE *__stream);
 104
 105 /* Relinquish the ownership granted for STREAM.  */
 106 extern void __funlockfile (FILE *__stream);
 107
 108 /* Try to acquire ownership of STREAM but do not block if it is not
 109    possible.  */
 110 extern int __ftrylockfile (FILE *__stream);
 111
 112 extern int __getc_unlocked (FILE *__fp);
 113 extern wint_t __getwc_unlocked (FILE *__fp);
 114
 115 extern int __fxprintf (FILE *__fp, const char *__fmt, ...)
 116      __attribute__ ((__format__ (__printf__, 2, 3)));
 117
 118 extern const char *const _sys_errlist_internal[] attribute_hidden;
 119 extern int _sys_nerr_internal attribute_hidden;
 120
 121 libc_hidden_proto (__asprintf)
 122 #  if IS_IN (libc)
 123 extern _IO_FILE *_IO_new_fopen (const char*, const char*);
 124 #   define fopen(fname, mode) _IO_new_fopen (fname, mode)
 125 extern _IO_FILE *_IO_new_fdopen (int, const char*);
 126 #   define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
 127 extern int _IO_new_fclose (_IO_FILE*);
 128 #   define fclose(fp) _IO_new_fclose (fp)
 129 extern int _IO_fputs (const char*, _IO_FILE*);
 130 libc_hidden_proto (_IO_fputs)
 131 #   define fputs(str, fp) _IO_fputs (str, fp)
 132 extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *);
 133 #   define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
 134 extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *);
 135 #   define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
 136 #  endif
 137
 138 libc_hidden_proto (dprintf)
 139 extern __typeof (dprintf) __dprintf
 140      __attribute__ ((__format__ (__printf__, 2, 3)));
 141 libc_hidden_proto (__dprintf)
 142 libc_hidden_proto (fprintf)
 143 libc_hidden_proto (vfprintf)
 144 libc_hidden_proto (sprintf)
 145 libc_hidden_proto (sscanf)
 146 libc_hidden_proto (fwrite)
 147 libc_hidden_proto (perror)
 148 libc_hidden_proto (remove)
 149 libc_hidden_proto (rewind)
 150 libc_hidden_proto (fileno)
 151 extern __typeof (fileno) __fileno;
 152 libc_hidden_proto (__fileno)
 153 libc_hidden_proto (fwrite)
 154 libc_hidden_proto (fseek)
 155 extern __typeof (ftello) __ftello;
 156 libc_hidden_proto (__ftello)
 157 libc_hidden_proto (fflush)
 158 libc_hidden_proto (fflush_unlocked)
 159 extern __typeof (fflush_unlocked) __fflush_unlocked;
 160 libc_hidden_proto (__fflush_unlocked)
 161 extern __typeof (fread_unlocked) __fread_unlocked;
 162 libc_hidden_proto (__fread_unlocked)
 163 libc_hidden_proto (fwrite_unlocked)
 164 libc_hidden_proto (fgets_unlocked)
 165 extern __typeof (fgets_unlocked) __fgets_unlocked;
 166 libc_hidden_proto (__fgets_unlocked)
 167 libc_hidden_proto (fputs_unlocked)
 168 extern __typeof (fputs_unlocked) __fputs_unlocked;
 169 libc_hidden_proto (__fputs_unlocked)
 170 libc_hidden_proto (fmemopen)
 171 /* The prototype needs repeating instead of using __typeof to use
 172    __THROW in C++ tests.  */
 173 extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
 174 libc_hidden_proto (__open_memstream)
 175 libc_hidden_proto (__libc_fatal)
 176 rtld_hidden_proto (__libc_fatal)
 177 libc_hidden_proto (__vsprintf_chk)
 178 libc_hidden_proto (__vsnprintf_chk)
 179 libc_hidden_proto (__vfprintf_chk)
 180 libc_hidden_proto (__vasprintf_chk)
 181 libc_hidden_proto (__vdprintf_chk)
 182 libc_hidden_proto (__obstack_vprintf_chk)
 183
 184 /* The <stdio.h> header does not include the declaration for gets
 185    anymore when compiling with _GNU_SOURCE.  Provide a copy here.  */
 186 extern char *gets (char *__s);
 187 #  if __USE_FORTIFY_LEVEL > 0
 188 extern char *__gets_chk (char *__str, size_t) __wur;
 189 extern char *__REDIRECT (__gets_warn, (char *__str), gets)
 190      __wur __warnattr ("please use fgets or getline instead, gets can't "
 191                        "specify buffer size");
 192
 193 __fortify_function __wur char *
 194 gets (char *__str)
 195 {
 196   if (__bos (__str) != (size_t) -1)
 197     return __gets_chk (__str, __bos (__str));
 198   return __gets_warn (__str);
 199 }
 200 #  endif
 201
 202 extern FILE * __fmemopen (void *buf, size_t len, const char *mode);
 203 libc_hidden_proto (__fmemopen)
 204
 205 __END_DECLS
 206 # endif
 207
 208 #endif