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