include/stdio.h

   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
  12 extern int __fcloseall (void) attribute_hidden;
  13 extern int __snprintf (char *__restrict __s, size_t __maxlen,
  14                        const char *__restrict __format, ...)
  15      __attribute__ ((__format__ (__printf__, 3, 4)));
  16 libc_hidden_proto (__snprintf)
  17 extern int __vsnprintf (char *__restrict __s, size_t __maxlen,
  18                         const char *__restrict __format, __gnuc_va_list __arg)
  19      __attribute__ ((__format__ (__printf__, 3, 0)));
  20 extern int __vfscanf (FILE *__restrict __s,
  21                       const char *__restrict __format,
  22                       __gnuc_va_list __arg)
  23      __attribute__ ((__format__ (__scanf__, 2, 0)));
  24 libc_hidden_proto (__vfscanf)
  25 extern int __vscanf (const char *__restrict __format,
  26                      __gnuc_va_list __arg)
  27      __attribute__ ((__format__ (__scanf__, 1, 0)));
  28 extern _IO_ssize_t __getline (char **__lineptr, size_t *__n,
  29                               FILE *__stream) attribute_hidden;
  30 extern int __vsscanf (const char *__restrict __s,
  31                       const char *__restrict __format,
  32                       __gnuc_va_list __arg)
  33      __attribute__ ((__format__ (__scanf__, 2, 0)));
  34
  35 extern int __sprintf_chk (char *, int, size_t, const char *, ...) __THROW;
  36 extern int __snprintf_chk (char *, size_t, int, size_t, const char *, ...)
  37      __THROW;
  38 extern int __vsprintf_chk (char *, int, size_t, const char *,
  39                            __gnuc_va_list) __THROW;
  40 extern int __vsnprintf_chk (char *, size_t, int, size_t, const char *,
  41                             __gnuc_va_list) __THROW;
  42 extern int __printf_chk (int, const char *, ...);
  43 extern int __fprintf_chk (FILE *, int, const char *, ...);
  44 extern int __vprintf_chk (int, const char *, __gnuc_va_list);
  45 extern int __vfprintf_chk (FILE *, int, const char *, __gnuc_va_list);
  46 extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
  47 extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
  48 extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
  49 extern int __vasprintf_chk (char **, int, const char *, __gnuc_va_list) __THROW;
  50 extern int __dprintf_chk (int, int, const char *, ...);
  51 extern int __vdprintf_chk (int, int, const char *, __gnuc_va_list);
  52 extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
  53      __THROW;
  54 extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
  55                                   __gnuc_va_list) __THROW;
  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                              __gnuc_va_list __arg) __wur;
  65 extern int __isoc99_vscanf (const char *__restrict __format,
  66                             __gnuc_va_list __arg) __wur;
  67 extern int __isoc99_vsscanf (const char *__restrict __s,
  68                              const char *__restrict __format,
  69                              __gnuc_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 #  define __need_size_t
  78 #  include <stddef.h>
  79
  80 #  include <bits/types/wint_t.h>
  81
  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) attribute_hidden;
  86
  87 extern int __gen_tempname (char *__tmpl, int __suffixlen, int __flags,
  88                            int __kind) attribute_hidden;
  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 enum __libc_message_action
  95 {
  96   do_message    = 0,            /* Print message.  */
  97   do_abort      = 1 << 0,       /* Abort.  */
  98   do_backtrace  = 1 << 1        /* Backtrace.  */
  99 };
 100
 101 /* Print out MESSAGE on the error output and abort.  */
 102 extern void __libc_fatal (const char *__message)
 103      __attribute__ ((__noreturn__));
 104 extern void __libc_message (enum __libc_message_action action,
 105                             const char *__fnt, ...) attribute_hidden;
 106 extern void __fortify_fail (const char *msg) __attribute__ ((__noreturn__));
 107 extern void __fortify_fail_abort (_Bool, const char *msg)
 108   __attribute__ ((__noreturn__)) attribute_hidden;
 109 libc_hidden_proto (__fortify_fail)
 110 libc_hidden_proto (__fortify_fail_abort)
 111
 112 /* Acquire ownership of STREAM.  */
 113 extern void __flockfile (FILE *__stream) attribute_hidden;
 114
 115 /* Relinquish the ownership granted for STREAM.  */
 116 extern void __funlockfile (FILE *__stream) attribute_hidden;
 117
 118 /* Try to acquire ownership of STREAM but do not block if it is not
 119    possible.  */
 120 extern int __ftrylockfile (FILE *__stream);
 121
 122 extern int __getc_unlocked (FILE *__fp);
 123 extern wint_t __getwc_unlocked (FILE *__fp);
 124
 125 extern int __fxprintf (FILE *__fp, const char *__fmt, ...)
 126      __attribute__ ((__format__ (__printf__, 2, 3))) attribute_hidden;
 127 extern int __fxprintf_nocancel (FILE *__fp, const char *__fmt, ...)
 128      __attribute__ ((__format__ (__printf__, 2, 3))) attribute_hidden;
 129
 130 extern const char *const _sys_errlist_internal[] attribute_hidden;
 131 extern int _sys_nerr_internal attribute_hidden;
 132
 133 libc_hidden_proto (__asprintf)
 134 #  if IS_IN (libc)
 135 extern _IO_FILE *_IO_new_fopen (const char*, const char*);
 136 #   define fopen(fname, mode) _IO_new_fopen (fname, mode)
 137 extern _IO_FILE *_IO_new_fdopen (int, const char*);
 138 #   define fdopen(fd, mode) _IO_new_fdopen (fd, mode)
 139 extern int _IO_new_fclose (_IO_FILE*);
 140 #   define fclose(fp) _IO_new_fclose (fp)
 141 extern int _IO_fputs (const char*, _IO_FILE*);
 142 libc_hidden_proto (_IO_fputs)
 143 /* The compiler may optimize calls to fprintf into calls to fputs.
 144    Use libc_hidden_proto to ensure that those calls, not redirected by
 145    the fputs macro, also do not go through the PLT.  */
 146 libc_hidden_proto (fputs)
 147 #   define fputs(str, fp) _IO_fputs (str, fp)
 148 extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *);
 149 #   define fsetpos(fp, posp) _IO_new_fsetpos (fp, posp)
 150 extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *);
 151 #   define fgetpos(fp, posp) _IO_new_fgetpos (fp, posp)
 152 #  endif
 153
 154 libc_hidden_proto (dprintf)
 155 extern __typeof (dprintf) __dprintf
 156      __attribute__ ((__format__ (__printf__, 2, 3)));
 157 libc_hidden_proto (__dprintf)
 158 libc_hidden_proto (fprintf)
 159 libc_hidden_proto (vfprintf)
 160 libc_hidden_proto (sprintf)
 161 libc_hidden_proto (sscanf)
 162 libc_hidden_proto (fwrite)
 163 libc_hidden_proto (perror)
 164 libc_hidden_proto (remove)
 165 libc_hidden_proto (rewind)
 166 libc_hidden_proto (fileno)
 167 extern __typeof (fileno) __fileno;
 168 libc_hidden_proto (__fileno)
 169 libc_hidden_proto (fwrite)
 170 libc_hidden_proto (fseek)
 171 extern __typeof (ftello) __ftello;
 172 libc_hidden_proto (__ftello)
 173 libc_hidden_proto (fflush)
 174 libc_hidden_proto (fflush_unlocked)
 175 extern __typeof (fflush_unlocked) __fflush_unlocked;
 176 libc_hidden_proto (__fflush_unlocked)
 177 extern __typeof (fread_unlocked) __fread_unlocked;
 178 libc_hidden_proto (__fread_unlocked)
 179 libc_hidden_proto (fwrite_unlocked)
 180 libc_hidden_proto (fgets_unlocked)
 181 extern __typeof (fgets_unlocked) __fgets_unlocked;
 182 libc_hidden_proto (__fgets_unlocked)
 183 libc_hidden_proto (fputs_unlocked)
 184 extern __typeof (fputs_unlocked) __fputs_unlocked;
 185 libc_hidden_proto (__fputs_unlocked)
 186 libc_hidden_proto (feof_unlocked)
 187 extern __typeof (feof_unlocked) __feof_unlocked attribute_hidden;
 188 libc_hidden_proto (fmemopen)
 189 /* The prototype needs repeating instead of using __typeof to use
 190    __THROW in C++ tests.  */
 191 extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
 192 libc_hidden_proto (__open_memstream)
 193 libc_hidden_proto (__libc_fatal)
 194 rtld_hidden_proto (__libc_fatal)
 195 libc_hidden_proto (__vsprintf_chk)
 196 libc_hidden_proto (__vsnprintf_chk)
 197 libc_hidden_proto (__vfprintf_chk)
 198 libc_hidden_proto (__vasprintf_chk)
 199 libc_hidden_proto (__vdprintf_chk)
 200 libc_hidden_proto (__obstack_vprintf_chk)
 201
 202 extern FILE * __fmemopen (void *buf, size_t len, const char *mode);
 203 libc_hidden_proto (__fmemopen)
 204
 205 extern int __gen_tempfd (int flags);
 206 libc_hidden_proto (__gen_tempfd)
 207
 208 #  ifdef __USE_EXTERN_INLINES
 209 __extern_inline int
 210 __NTH (__feof_unlocked (FILE *__stream))
 211 {
 212   return __feof_unlocked_body (__stream);
 213 }
 214 #  endif
 215
 216 # endif /* not _ISOMAC */
 217 #endif /* stdio.h */