/* Define ISO C stdio on top of C++ iostreams.
- Copyright (C) 1991, 1994-2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1991-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/*
* ISO C99 Standard: 7.19 Input/output <stdio.h>
/* The opaque type of streams. This is the definition used elsewhere. */
typedef struct _IO_FILE FILE;
__END_NAMESPACE_STD
-#if defined __USE_LARGEFILE64 || defined __USE_SVID || defined __USE_POSIX \
- || defined __USE_BSD || defined __USE_ISOC99 || defined __USE_XOPEN \
+#if defined __USE_LARGEFILE64 || defined __USE_POSIX \
+ || defined __USE_ISOC99 || defined __USE_XOPEN \
|| defined __USE_POSIX2
__USING_NAMESPACE_STD(FILE)
#endif
#endif
/* The possibilities for the third argument to `setvbuf'. */
-#define _IOFBF 0 /* Fully buffered. */
+#define _IOFBF 0 /* Fully buffered. */
#define _IOLBF 1 /* Line buffered. */
#define _IONBF 2 /* No buffering. */
#define SEEK_SET 0 /* Seek from beginning of file. */
#define SEEK_CUR 1 /* Seek from current position. */
#define SEEK_END 2 /* Seek from end of file. */
+#ifdef __USE_GNU
+# define SEEK_DATA 3 /* Seek to next data. */
+# define SEEK_HOLE 4 /* Seek to next hole. */
+#endif
-#if defined __USE_SVID || defined __USE_XOPEN
+#if defined __USE_MISC || defined __USE_XOPEN
/* Default path prefix for `tempnam' and `tmpnam'. */
# define P_tmpdir "/tmp"
#endif
/* Get the values:
L_tmpnam How long an array of chars must be to be passed to `tmpnam'.
TMP_MAX The minimum number of unique filenames generated by tmpnam
- (and tempnam when it uses tmpnam's name space),
+ (and tempnam when it uses tmpnam's name space),
or tempnam (the two are separate).
L_ctermid How long an array to pass to `ctermid'.
L_cuserid How long an array to pass to `cuserid'.
__BEGIN_NAMESPACE_STD
/* Remove file FILENAME. */
-extern int remove (__const char *__filename) __THROW;
+extern int remove (const char *__filename) __THROW;
/* Rename file OLD to NEW. */
-extern int rename (__const char *__old, __const char *__new) __THROW;
+extern int rename (const char *__old, const char *__new) __THROW;
__END_NAMESPACE_STD
#ifdef __USE_ATFILE
/* Rename file OLD relative to OLDFD to NEW relative to NEWFD. */
-extern int renameat (int __oldfd, __const char *__old, int __newfd,
- __const char *__new) __THROW;
+extern int renameat (int __oldfd, const char *__old, int __newfd,
+ const char *__new) __THROW;
#endif
__BEGIN_NAMESPACE_STD
/* Create a temporary file and open it read/write.
- This function is a possible cancellation points and therefore not
+ This function is a possible cancellation point and therefore not
marked with __THROW. */
#ifndef __USE_FILE_OFFSET64
extern FILE *tmpfile (void) __wur;
#endif
-#if defined __USE_SVID || defined __USE_XOPEN
+#if defined __USE_MISC || defined __USE_XOPEN
/* Generate a unique temporary filename using up to five characters of PFX
if it is not NULL. The directory to put this file in is searched for
as follows: First the environment variable "TMPDIR" is checked.
If not and if DIR is not NULL, that value is checked. If that fails,
P_tmpdir is tried and finally "/tmp". The storage for the filename
is allocated by `malloc'. */
-extern char *tempnam (__const char *__dir, __const char *__pfx)
+extern char *tempnam (const char *__dir, const char *__pfx)
__THROW __attribute_malloc__ __wur;
#endif
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern FILE *fopen (__const char *__restrict __filename,
- __const char *__restrict __modes) __wur;
+extern FILE *fopen (const char *__restrict __filename,
+ const char *__restrict __modes) __wur;
/* Open a file, replacing an existing stream with it.
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern FILE *freopen (__const char *__restrict __filename,
- __const char *__restrict __modes,
+extern FILE *freopen (const char *__restrict __filename,
+ const char *__restrict __modes,
FILE *__restrict __stream) __wur;
#else
# ifdef __REDIRECT
-extern FILE *__REDIRECT (fopen, (__const char *__restrict __filename,
- __const char *__restrict __modes), fopen64)
+extern FILE *__REDIRECT (fopen, (const char *__restrict __filename,
+ const char *__restrict __modes), fopen64)
__wur;
-extern FILE *__REDIRECT (freopen, (__const char *__restrict __filename,
- __const char *__restrict __modes,
+extern FILE *__REDIRECT (freopen, (const char *__restrict __filename,
+ const char *__restrict __modes,
FILE *__restrict __stream), freopen64)
__wur;
# else
#endif
__END_NAMESPACE_STD
#ifdef __USE_LARGEFILE64
-extern FILE *fopen64 (__const char *__restrict __filename,
- __const char *__restrict __modes) __wur;
-extern FILE *freopen64 (__const char *__restrict __filename,
- __const char *__restrict __modes,
+extern FILE *fopen64 (const char *__restrict __filename,
+ const char *__restrict __modes) __wur;
+extern FILE *freopen64 (const char *__restrict __filename,
+ const char *__restrict __modes,
FILE *__restrict __stream) __wur;
#endif
#ifdef __USE_POSIX
/* Create a new stream that refers to an existing system file descriptor. */
-extern FILE *fdopen (int __fd, __const char *__modes) __THROW __wur;
+extern FILE *fdopen (int __fd, const char *__modes) __THROW __wur;
#endif
#ifdef __USE_GNU
/* Create a new stream that refers to the given magic cookie,
and uses the given functions for input and output. */
extern FILE *fopencookie (void *__restrict __magic_cookie,
- __const char *__restrict __modes,
+ const char *__restrict __modes,
_IO_cookie_io_functions_t __io_funcs) __THROW __wur;
#endif
#ifdef __USE_XOPEN2K8
/* Create a new stream that refers to a memory buffer. */
-extern FILE *fmemopen (void *__s, size_t __len, __const char *__modes)
+extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
__THROW __wur;
/* Open a stream that writes into a malloc'd buffer that is expanded as
int __modes, size_t __n) __THROW;
__END_NAMESPACE_STD
-#ifdef __USE_BSD
+#ifdef __USE_MISC
/* If BUF is NULL, make STREAM unbuffered.
Else make it use SIZE bytes of BUF for buffering. */
extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
This function is a possible cancellation point and therefore not
marked with __THROW. */
extern int fprintf (FILE *__restrict __stream,
- __const char *__restrict __format, ...);
+ const char *__restrict __format, ...);
/* Write formatted output to stdout.
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int printf (__const char *__restrict __format, ...);
+extern int printf (const char *__restrict __format, ...);
/* Write formatted output to S. */
extern int sprintf (char *__restrict __s,
- __const char *__restrict __format, ...) __THROW;
+ const char *__restrict __format, ...) __THROWNL;
/* Write formatted output to S from argument list ARG.
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int vfprintf (FILE *__restrict __s, __const char *__restrict __format,
+extern int vfprintf (FILE *__restrict __s, const char *__restrict __format,
_G_va_list __arg);
/* Write formatted output to stdout from argument list ARG.
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int vprintf (__const char *__restrict __format, _G_va_list __arg);
+extern int vprintf (const char *__restrict __format, _G_va_list __arg);
/* Write formatted output to S from argument list ARG. */
-extern int vsprintf (char *__restrict __s, __const char *__restrict __format,
- _G_va_list __arg) __THROW;
+extern int vsprintf (char *__restrict __s, const char *__restrict __format,
+ _G_va_list __arg) __THROWNL;
__END_NAMESPACE_STD
-#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98
+#if defined __USE_ISOC99 || defined __USE_UNIX98
__BEGIN_NAMESPACE_C99
/* Maximum chars of output to write in MAXLEN. */
extern int snprintf (char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format, ...)
- __THROW __attribute__ ((__format__ (__printf__, 3, 4)));
+ const char *__restrict __format, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 3, 4)));
extern int vsnprintf (char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format, _G_va_list __arg)
- __THROW __attribute__ ((__format__ (__printf__, 3, 0)));
+ const char *__restrict __format, _G_va_list __arg)
+ __THROWNL __attribute__ ((__format__ (__printf__, 3, 0)));
__END_NAMESPACE_C99
#endif
#ifdef __USE_GNU
/* Write formatted output to a string dynamically allocated with `malloc'.
Store the address of the string in *PTR. */
-extern int vasprintf (char **__restrict __ptr, __const char *__restrict __f,
+extern int vasprintf (char **__restrict __ptr, const char *__restrict __f,
_G_va_list __arg)
- __THROW __attribute__ ((__format__ (__printf__, 2, 0))) __wur;
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 0))) __wur;
extern int __asprintf (char **__restrict __ptr,
- __const char *__restrict __fmt, ...)
- __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+ const char *__restrict __fmt, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
extern int asprintf (char **__restrict __ptr,
- __const char *__restrict __fmt, ...)
- __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+ const char *__restrict __fmt, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
#endif
#ifdef __USE_XOPEN2K8
-/* Write formatted output to a file descriptor.
-
- These functions are not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation they are cancellation points and
- therefore not marked with __THROW. */
-extern int vdprintf (int __fd, __const char *__restrict __fmt,
+/* Write formatted output to a file descriptor. */
+extern int vdprintf (int __fd, const char *__restrict __fmt,
_G_va_list __arg)
__attribute__ ((__format__ (__printf__, 2, 0)));
-extern int dprintf (int __fd, __const char *__restrict __fmt, ...)
+extern int dprintf (int __fd, const char *__restrict __fmt, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
#endif
This function is a possible cancellation point and therefore not
marked with __THROW. */
extern int fscanf (FILE *__restrict __stream,
- __const char *__restrict __format, ...) __wur;
+ const char *__restrict __format, ...) __wur;
/* Read formatted input from stdin.
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int scanf (__const char *__restrict __format, ...) __wur;
+extern int scanf (const char *__restrict __format, ...) __wur;
/* Read formatted input from S. */
-extern int sscanf (__const char *__restrict __s,
- __const char *__restrict __format, ...) __THROW;
+extern int sscanf (const char *__restrict __s,
+ const char *__restrict __format, ...) __THROW;
#if defined __USE_ISOC99 && !defined __USE_GNU \
&& (!defined __LDBL_COMPAT || !defined __REDIRECT) \
GNU extension which conflicts with valid %a followed by letter
s, S or [. */
extern int __REDIRECT (fscanf, (FILE *__restrict __stream,
- __const char *__restrict __format, ...),
+ const char *__restrict __format, ...),
__isoc99_fscanf) __wur;
-extern int __REDIRECT (scanf, (__const char *__restrict __format, ...),
+extern int __REDIRECT (scanf, (const char *__restrict __format, ...),
__isoc99_scanf) __wur;
-extern int __REDIRECT (sscanf, (__const char *__restrict __s,
- __const char *__restrict __format, ...),
- __isoc99_sscanf) __THROW;
+extern int __REDIRECT_NTH (sscanf, (const char *__restrict __s,
+ const char *__restrict __format, ...),
+ __isoc99_sscanf);
# else
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;
+ 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;
# define fscanf __isoc99_fscanf
# define scanf __isoc99_scanf
# define sscanf __isoc99_sscanf
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int vfscanf (FILE *__restrict __s, __const char *__restrict __format,
+extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
_G_va_list __arg)
__attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int vscanf (__const char *__restrict __format, _G_va_list __arg)
+extern int vscanf (const char *__restrict __format, _G_va_list __arg)
__attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
/* Read formatted input from S into argument list ARG. */
-extern int vsscanf (__const char *__restrict __s,
- __const char *__restrict __format, _G_va_list __arg)
+extern int vsscanf (const char *__restrict __s,
+ const char *__restrict __format, _G_va_list __arg)
__THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
# if !defined __USE_GNU \
s, S or [. */
extern int __REDIRECT (vfscanf,
(FILE *__restrict __s,
- __const char *__restrict __format, _G_va_list __arg),
+ const char *__restrict __format, _G_va_list __arg),
__isoc99_vfscanf)
__attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
-extern int __REDIRECT (vscanf, (__const char *__restrict __format,
+extern int __REDIRECT (vscanf, (const char *__restrict __format,
_G_va_list __arg), __isoc99_vscanf)
__attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
-extern int __REDIRECT (vsscanf,
- (__const char *__restrict __s,
- __const char *__restrict __format, _G_va_list __arg),
- __isoc99_vsscanf)
- __THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
+extern int __REDIRECT_NTH (vsscanf,
+ (const char *__restrict __s,
+ const char *__restrict __format,
+ _G_va_list __arg), __isoc99_vsscanf)
+ __attribute__ ((__format__ (__scanf__, 2, 0)));
# else
extern int __isoc99_vfscanf (FILE *__restrict __s,
- __const char *__restrict __format,
+ const char *__restrict __format,
_G_va_list __arg) __wur;
-extern int __isoc99_vscanf (__const char *__restrict __format,
+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,
+extern int __isoc99_vsscanf (const char *__restrict __s,
+ const char *__restrict __format,
_G_va_list __arg) __THROW;
# define vfscanf __isoc99_vfscanf
# define vscanf __isoc99_vscanf
optimization for it. */
#define getc(_fp) _IO_getc (_fp)
-#if defined __USE_POSIX || defined __USE_MISC
+#ifdef __USE_POSIX
/* These are defined in POSIX.1:1996.
These functions are possible cancellation points and therefore not
marked with __THROW. */
extern int getc_unlocked (FILE *__stream);
extern int getchar_unlocked (void);
-#endif /* Use POSIX or MISC. */
+#endif /* Use POSIX. */
#ifdef __USE_MISC
/* Faster version when locking is not necessary.
extern int fputc_unlocked (int __c, FILE *__stream);
#endif /* Use MISC. */
-#if defined __USE_POSIX || defined __USE_MISC
+#ifdef __USE_POSIX
/* These are defined in POSIX.1:1996.
These functions are possible cancellation points and therefore not
marked with __THROW. */
extern int putc_unlocked (int __c, FILE *__stream);
extern int putchar_unlocked (int __c);
-#endif /* Use POSIX or MISC. */
+#endif /* Use POSIX. */
-#if defined __USE_SVID || defined __USE_MISC \
+#if defined __USE_MISC \
|| (defined __USE_XOPEN && !defined __USE_XOPEN2K)
/* Get a word (int) from STREAM. */
extern int getw (FILE *__stream);
extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
__wur;
+#if !defined __USE_ISOC11 \
+ || (defined __cplusplus && __cplusplus <= 201103L)
/* Get a newline-terminated string from stdin, removing the newline.
DO NOT USE THIS FUNCTION!! There is no limit on how much it will read.
+ The function has been officially removed in ISO C11. This opportunity
+ is used to also remove it from the GNU feature list. It is now only
+ available when explicitly using an old ISO C, Unix, or POSIX standard.
+ GCC defines _GNU_SOURCE when building C++ code and the function is still
+ in C++11, so it is also available for C++.
+
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern char *gets (char *__s) __wur;
+extern char *gets (char *__s) __wur __attribute_deprecated__;
+#endif
__END_NAMESPACE_STD
#ifdef __USE_GNU
__BEGIN_NAMESPACE_STD
/* Write a string to STREAM.
- This function is a possible cancellation points and therefore not
+ This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int fputs (__const char *__restrict __s, FILE *__restrict __stream);
+extern int fputs (const char *__restrict __s, FILE *__restrict __stream);
/* Write a string, followed by a newline, to stdout.
- This function is a possible cancellation points and therefore not
+ This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int puts (__const char *__s);
+extern int puts (const char *__s);
/* Push a character back onto the input buffer of STREAM.
- This function is a possible cancellation points and therefore not
+ This function is a possible cancellation point and therefore not
marked with __THROW. */
extern int ungetc (int __c, FILE *__stream);
/* Read chunks of generic data from STREAM.
- This function is a possible cancellation points and therefore not
+ This function is a possible cancellation point and therefore not
marked with __THROW. */
extern size_t fread (void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream) __wur;
/* Write chunks of generic data to STREAM.
- This function is a possible cancellation points and therefore not
+ This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern size_t fwrite (__const void *__restrict __ptr, size_t __size,
- size_t __n, FILE *__restrict __s) __wur;
+extern size_t fwrite (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __s);
__END_NAMESPACE_STD
#ifdef __USE_GNU
cancellation point. But due to similarity with an POSIX interface
or due to the implementation it is a cancellation point and
therefore not marked with __THROW. */
-extern int fputs_unlocked (__const char *__restrict __s,
+extern int fputs_unlocked (const char *__restrict __s,
FILE *__restrict __stream);
#endif
therefore not marked with __THROW. */
extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream) __wur;
-extern size_t fwrite_unlocked (__const void *__restrict __ptr, size_t __size,
- size_t __n, FILE *__restrict __stream) __wur;
+extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream);
#endif
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int fsetpos (FILE *__stream, __const fpos_t *__pos);
+extern int fsetpos (FILE *__stream, const fpos_t *__pos);
#else
# ifdef __REDIRECT
extern int __REDIRECT (fgetpos, (FILE *__restrict __stream,
fpos_t *__restrict __pos), fgetpos64);
extern int __REDIRECT (fsetpos,
- (FILE *__stream, __const fpos_t *__pos), fsetpos64);
+ (FILE *__stream, const fpos_t *__pos), fsetpos64);
# else
# define fgetpos fgetpos64
# define fsetpos fsetpos64
extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
extern __off64_t ftello64 (FILE *__stream) __wur;
extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos);
-extern int fsetpos64 (FILE *__stream, __const fpos64_t *__pos);
+extern int fsetpos64 (FILE *__stream, const fpos64_t *__pos);
#endif
__BEGIN_NAMESPACE_STD
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern void perror (__const char *__s);
+extern void perror (const char *__s);
__END_NAMESPACE_STD
/* Provide the declarations for `sys_errlist' and `sys_nerr' if they
#endif
-#if (defined __USE_POSIX2 || defined __USE_SVID || defined __USE_BSD || \
- defined __USE_MISC)
+#ifdef __USE_POSIX2
/* Create a new stream connected to a pipe running the given command.
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern FILE *popen (__const char *__command, __const char *__modes) __wur;
+extern FILE *popen (const char *__command, const char *__modes) __wur;
/* Close a stream opened by popen and return the status of its child.
/* Write formatted output to an obstack. */
extern int obstack_printf (struct obstack *__restrict __obstack,
- __const char *__restrict __format, ...)
- __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
+ const char *__restrict __format, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3)));
extern int obstack_vprintf (struct obstack *__restrict __obstack,
- __const char *__restrict __format,
+ const char *__restrict __format,
_G_va_list __args)
- __THROW __attribute__ ((__format__ (__printf__, 2, 0)));
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 0)));
#endif /* Use GNU. */
-#if defined __USE_POSIX || defined __USE_MISC
+#ifdef __USE_POSIX
/* These are defined in POSIX.1:1996. */
/* Acquire ownership of STREAM. */
/* Relinquish the ownership granted for STREAM. */
extern void funlockfile (FILE *__stream) __THROW;
-#endif /* POSIX || misc */
+#endif /* POSIX */
#if defined __USE_XOPEN && !defined __USE_XOPEN2K && !defined __USE_GNU
/* The X/Open standard requires some functions and variables to be
#ifdef __USE_EXTERN_INLINES
# include <bits/stdio.h>
#endif
-#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
# include <bits/stdio2.h>
#endif
#ifdef __LDBL_COMPAT
projects / thirdparty / glibc.git / blobdiff