-/* Define ISO C stdio on top of C++ iostreams.
- Copyright (C) 1991, 1994-1999, 2000 Free Software Foundation, Inc.
+/*
+ Copyright (C) 1991,1994-2002,2003,2004 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
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/*
- * ISO C Standard: 4.9 INPUT/OUTPUT <stdio.h>
+ * ISO C99 Standard: 7.19 Input/output <stdio.h>
*/
#ifndef _STDIO_H
-#define _STDIO_H
-#include <features.h>
-#include <stdarg.h>
-#include <sys/types.h>
+#if !defined __need_FILE && !defined __need___FILE
+# define _STDIO_H 1
+# include <features.h>
__BEGIN_DECLS
+# define __need_size_t
+# define __need_NULL
+# include <stddef.h>
-/* when you add or change fields here, be sure to change the initialization
- * in stdio_init and fopen */
-struct __stdio_file {
- unsigned char *bufpos; /* the next byte to write to or read from */
- unsigned char *bufread; /* the end of data returned by last read() */
- unsigned char *bufwrite; /* 1 + highest address writable by macro */
- unsigned char *bufstart; /* the start of the buffer */
- unsigned char *bufend; /* the end of the buffer; ie the byte after the last
- malloc()ed byte */
- struct __stdio_file * next;
+# include <bits/types.h>
+# define __need_FILE
+# define __need___FILE
+#endif /* Don't need FILE. */
- int fd; /* the file descriptor associated with the stream */
- unsigned char mode;
- unsigned char ungot;
- char unbuf[2]; /* The buffer for 'unbuffered' streams */
-};
+#if !defined __FILE_defined && defined __need_FILE
-typedef struct __stdio_file FILE;
+__BEGIN_NAMESPACE_STD
+/* The opaque type of streams. This is the definition used elsewhere. */
+typedef struct __STDIO_FILE_STRUCT FILE;
+__END_NAMESPACE_STD
+#if defined __USE_LARGEFILE64 || defined __USE_SVID || defined __USE_POSIX \
+ || defined __USE_BSD || defined __USE_ISOC99 || defined __USE_XOPEN \
+ || defined __USE_POSIX2
+__USING_NAMESPACE_STD(FILE)
+#endif
-/* Default buffer size. */
-#define BUFSIZ (512)
+# define __FILE_defined 1
+#endif /* FILE not defined. */
+#undef __need_FILE
+
+
+#if !defined ____FILE_defined && defined __need___FILE
+
+/* The opaque type of streams. This is the definition used elsewhere. */
+typedef struct __STDIO_FILE_STRUCT __FILE;
+
+# define ____FILE_defined 1
+#endif /* __FILE not defined. */
+#undef __need___FILE
+
+
+#ifdef _STDIO_H
+#undef _STDIO_USES_IOSTREAM
-/* Define EOF and NULL */
-#define EOF (-1)
-#ifndef NULL
-#define NULL (0)
+#include <bits/uClibc_stdio.h>
+
+/* This define avoids name pollution if we're using GNU stdarg.h */
+# define __need___va_list
+#include <stdarg.h>
+
+/* The type of the second argument to `fgetpos' and `fsetpos'. */
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
+typedef __STDIO_fpos_t fpos_t;
+#else
+typedef __STDIO_fpos64_t fpos_t;
+#endif
+__END_NAMESPACE_STD
+#ifdef __USE_LARGEFILE64
+typedef __STDIO_fpos64_t fpos64_t;
#endif
/* The possibilities for the third argument to `setvbuf'. */
-#define _IOFBF 0 /* Fully buffered. */
-#define _IOLBF 1 /* Line buffered. */
-#define _IONBF 2 /* No buffering. */
-
-/* Possible states for a file stream -- internal use only */
-#define __MODE_BUF 0x03 /* Modal buffering dependent on isatty */
-#define __MODE_FREEBUF 0x04 /* Buffer allocated by stdio code, can free */
-#define __MODE_FREEFIL 0x08 /* FILE allocated by stdio code, can free */
-#define __MODE_UNGOT 0x10 /* Buffer has been polluted by ungetc */
-#define __MODE_TIED 0x20 /* FILE is tied with stdin/stdout */
-#define __MODE_EOF 0x40 /* EOF status */
-#define __MODE_ERR 0x80 /* Error status */
+#define _IOFBF __STDIO_IOFBF /* Fully buffered. */
+#define _IOLBF __STDIO_IOLBF /* Line buffered. */
+#define _IONBF __STDIO_IONBF /* No buffering. */
+
+
+/* Default buffer size. */
+#ifndef BUFSIZ
+# define BUFSIZ __STDIO_BUFSIZ
+#endif
+
+
+/* End of file character.
+ Some things throughout the library rely on this being -1. */
+#ifndef EOF
+# define EOF (-1)
+#endif
+
/* The possibilities for the third argument to `fseek'.
These values should not be changed. */
#define SEEK_CUR 1 /* Seek from current position. */
#define SEEK_END 2 /* Seek from end of file. */
-/* Default path prefix for `tempnam' and `tmpnam'. */
-#define P_tmpdir "/tmp"
+
+#if defined __USE_SVID || defined __USE_XOPEN
+/* Default path prefix for `mkstemp'. */
+# 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'.
FOPEN_MAX Minimum number of files that can be open at once.
FILENAME_MAX Maximum length of a filename. */
-#define __need_FOPEN_MAX
#include <bits/stdio_lim.h>
-#undef __need_FOPEN_MAX
/* Standard streams. */
-extern FILE *stdin; /* Standard input stream. */
-extern FILE *stdout; /* Standard output stream. */
-extern FILE *stderr; /* Standard error output stream. */
+extern FILE *stdin; /* Standard input stream. */
+extern FILE *stdout; /* Standard output stream. */
+extern FILE *stderr; /* Standard error output stream. */
/* C89/C99 say they're macros. Make them happy. */
#define stdin stdin
#define stdout stdout
#define stderr stderr
+__BEGIN_NAMESPACE_STD
/* Remove file FILENAME. */
-extern int remove __P ((__const char *__filename));
+extern int remove (const char *__filename) __THROW;
+libc_hidden_proto(remove)
/* Rename file OLD to NEW. */
-extern int rename __P ((__const char *__old, __const char *__new));
+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;
+libc_hidden_proto(renameat)
+#endif
+__BEGIN_NAMESPACE_STD
+/* Create a temporary file and open it read/write.
+
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+#ifndef __USE_FILE_OFFSET64
+extern FILE *tmpfile (void) __wur;
+#else
+# ifdef __REDIRECT
+extern FILE *__REDIRECT (tmpfile, (void), tmpfile64) __wur;
+# else
+# define tmpfile tmpfile64
+# endif
+#endif
-/* Create a temporary file and open it read/write. */
-extern FILE *tmpfile __P ((void));
#ifdef __USE_LARGEFILE64
-extern FILE *tmpfile64 __P ((void));
+extern FILE *tmpfile64 (void) __wur;
#endif
+
+#ifdef __UCLIBC_SUSV4_LEGACY__
/* Generate a temporary filename. */
-extern char *tmpnam __P ((char *__s));
+extern char *tmpnam (char *__s) __THROW __wur;
+#endif
+__END_NAMESPACE_STD
-#ifdef __USE_MISC
+#if defined __USE_MISC && defined __UCLIBC_SUSV4_LEGACY__
/* This is the reentrant variant of `tmpnam'. The only difference is
that it does not allow S to be NULL. */
-extern char *tmpnam_r __P ((char *__s));
+extern char *tmpnam_r (char *__s) __THROW __wur;
#endif
-#if defined __USE_SVID || defined __USE_XOPEN
+#if (defined __USE_SVID || defined __USE_XOPEN) && defined __UCLIBC_SUSV4_LEGACY__
/* 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 __P ((__const char *__dir, __const char *__pfx));
+extern char *tempnam (const char *__dir, const char *__pfx)
+ __THROW __attribute_malloc__ __wur;
#endif
-/* Close STREAM. */
-extern int fclose __P ((FILE *__stream));
-/* Flush STREAM, or all streams if STREAM is NULL. */
-extern int fflush __P ((FILE *__stream));
+__BEGIN_NAMESPACE_STD
+/* Close STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fclose (FILE *__stream);
+libc_hidden_proto(fclose)
+/* Flush STREAM, or all streams if STREAM is NULL.
-/* Open a file and create a new stream for it. */
-extern FILE *fopen __P ((__const char *__restrict __filename,
- __const char *__restrict __mode));
-/* Open a file, replacing an existing stream with it. */
-extern FILE *freopen __P ((__const char *__restrict __filename,
- __const char *__restrict __mode,
- FILE *__restrict __stream));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fflush (FILE *__stream);
+libc_hidden_proto(fflush)
+__END_NAMESPACE_STD
#ifdef __USE_MISC
-/*
- * Open a file using an automatically (stack) or statically allocated FILE.
- * The FILE * returned behaves just as any other FILE * with respect to the
- * stdio functions, but be aware of the following:
- * NOTE: The buffer used for the file is FILE's builtin 2-byte buffer, so
- * setting a new buffer is probably advisable.
- * NOTE: This function is primarily intended to be used for stack-allocated
- * FILEs when uClibc stdio has been built with no dynamic memory support.
- * For the statically allocated case, it is probably better to increase
- * the value of FIXED_STREAMS in stdio.c.
- * WARNING: If allocated on the stack, make sure you call fclose before the
- * stack memory is reclaimed!
- */
-extern FILE *fsfopen __P ((__const char *__restrict __filename,
- __const char *__restrict __mode,
- FILE *__restrict __stream));
+/* Faster versions when locking is not required.
+
+ This function is not part of POSIX and therefore no official
+ 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 fflush_unlocked (FILE *__stream);
+libc_hidden_proto(fflush_unlocked)
#endif
+#ifdef __USE_GNU
+/* Close all streams.
+ This function is not part of POSIX and therefore no official
+ 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 fcloseall (void);
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
+/* Open a file and create a new stream for it.
+
+ 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;
+libc_hidden_proto(fopen)
+/* 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,
+ FILE *__restrict __stream) __wur;
+#else
+# ifdef __REDIRECT
+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,
+ FILE *__restrict __stream), freopen64)
+ __wur;
+# else
+# define fopen fopen64
+# define freopen freopen64
+# endif
+#endif
+__END_NAMESPACE_STD
#ifdef __USE_LARGEFILE64
-extern FILE *fopen64 __P ((__const char *__restrict __filename,
- __const char *__restrict __mode));
-extern FILE *freopen64 __P ((__const char *__restrict __filename,
- __const char *__restrict __mode,
- FILE *__restrict __stream));
+extern FILE *fopen64 (const char *__restrict __filename,
+ const char *__restrict __modes) __wur;
+libc_hidden_proto(fopen64)
+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 __P ((int __fd, __const char *__mode));
+extern FILE *fdopen (int __fd, const char *__modes) __THROW __wur;
+libc_hidden_proto(fdopen)
#endif
+#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
+#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,
+ _IO_cookie_io_functions_t __io_funcs) __THROW __wur;
+libc_hidden_proto(fopencookie)
+#endif
-/* Make STREAM use buffering mode MODE.
- If BUF is not NULL, use N bytes of it for buffering;
- else allocate an internal buffer N bytes long. */
-extern int setvbuf __P ((FILE *__restrict __stream, char *__restrict __buf,
- int __mode, size_t __n));
+#ifdef __USE_XOPEN2K8
+/* Create a new stream that refers to a memory buffer. */
+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
+ necessary. *BUFLOC and *SIZELOC are updated with the buffer's location
+ and the number of characters written on fflush or fclose. */
+extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __THROW __wur;
+libc_hidden_proto(open_memstream)
+#endif
+#endif
+
+__BEGIN_NAMESPACE_STD
/* If BUF is NULL, make STREAM unbuffered.
Else make it use buffer BUF, of size BUFSIZ. */
-extern void setbuf __P ((FILE *__restrict __stream, char *__restrict __buf));
+extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __THROW;
+/* Make STREAM use buffering mode MODE.
+ If BUF is not NULL, use N bytes of it for buffering;
+ else allocate an internal buffer N bytes long. */
+extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
+ int __modes, size_t __n) __THROW;
+libc_hidden_proto(setvbuf)
+__END_NAMESPACE_STD
#ifdef __USE_BSD
/* If BUF is NULL, make STREAM unbuffered.
Else make it use SIZE bytes of BUF for buffering. */
-extern void setbuffer __P ((FILE *__restrict __stream, char *__restrict __buf,
- size_t __size));
+extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
+ size_t __size) __THROW;
/* Make STREAM line-buffered. */
-extern void setlinebuf __P ((FILE *__stream));
+extern void setlinebuf (FILE *__stream) __THROW;
#endif
-/* Write formatted output to STREAM. */
-extern int fprintf __P ((FILE *__restrict __stream,
- __const char *__restrict __format, ...));
-/* Write formatted output to stdout. */
-extern int printf __P ((__const char *__restrict __format, ...));
-/* Write formatted output to S. */
-extern int sprintf __P ((char *__restrict __s,
- __const char *__restrict __format, ...));
+__BEGIN_NAMESPACE_STD
+/* Write formatted output to STREAM.
-/* Write formatted output to a file descriptor */
-extern int vdprintf __P((int fd, __const char *__restrict __format,
- va_list __arg));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fprintf (FILE *__restrict __stream,
+ const char *__restrict __format, ...);
+libc_hidden_proto(fprintf)
+/* Write formatted output to stdout.
-/* Write formatted output to a buffer S dynamically allocated by asprintf. */
-extern int asprintf __P ((char **__restrict __s,
- __const char *__restrict __format, ...));
-
-/* Write formatted output to S from argument list ARG. */
-extern int vfprintf __P ((FILE *__restrict __s,
- __const char *__restrict __format,
- va_list __arg));
-/* Write formatted output to stdout from argument list ARG. */
-extern int vprintf __P ((__const char *__restrict __format,
- va_list __arg));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int printf (const char *__restrict __format, ...);
+libc_hidden_proto(printf)
+/* Write formatted output to S. */
+extern int sprintf (char *__restrict __s,
+ const char *__restrict __format, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
+libc_hidden_proto(sprintf)
+
+/* 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,
+ __gnuc_va_list __arg);
+libc_hidden_proto(vfprintf)
+/* 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, __gnuc_va_list __arg);
/* Write formatted output to S from argument list ARG. */
-extern int vsprintf __P ((char *__restrict __s,
- __const char *__restrict __format,
- va_list __arg));
+extern int vsprintf (char *__restrict __s, const char *__restrict __format,
+ __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 0)));
+__END_NAMESPACE_STD
+#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98
+__BEGIN_NAMESPACE_C99
/* Maximum chars of output to write in MAXLEN. */
-extern int snprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format, ...))
- __attribute__ ((__format__ (__printf__, 3, 4)));
-
-extern int __vsnprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format,
- va_list __arg))
- __attribute__ ((__format__ (__printf__, 3, 0)));
-extern int vsnprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format,
- va_list __arg))
- __attribute__ ((__format__ (__printf__, 3, 0)));
-
-/* Read formatted input from STREAM. */
-extern int fscanf __P ((FILE *__restrict __stream,
- __const char *__restrict __format, ...));
-/* Read formatted input from stdin. */
-extern int scanf __P ((__const char *__restrict __format, ...));
+extern int snprintf (char *__restrict __s, size_t __maxlen,
+ const char *__restrict __format, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 3, 4)));
+libc_hidden_proto(snprintf)
+
+extern int vsnprintf (char *__restrict __s, size_t __maxlen,
+ const char *__restrict __format, __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__printf__, 3, 0)));
+libc_hidden_proto(vsnprintf)
+__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,
+ __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 0))) __wur;
+libc_hidden_proto(vasprintf)
+#if 0 /* uClibc: disabled */
+extern int __asprintf (char **__restrict __ptr,
+ const char *__restrict __fmt, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+#endif
+extern int asprintf (char **__restrict __ptr,
+ const char *__restrict __fmt, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+libc_hidden_proto(asprintf)
+#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,
+ __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+libc_hidden_proto(vdprintf)
+extern int dprintf (int __fd, const char *__restrict __fmt, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+/* Read formatted input from STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fscanf (FILE *__restrict __stream,
+ const char *__restrict __format, ...)
+ __attribute__ ((__format__ (__scanf__, 2, 3))) __wur;
+libc_hidden_proto(fscanf)
+/* 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, ...)
+ __attribute__ ((__format__ (__scanf__, 1, 2))) __wur;
/* Read formatted input from S. */
-extern int sscanf __P ((__const char *__restrict __s,
- __const char *__restrict __format, ...));
+extern int sscanf (const char *__restrict __s,
+ const char *__restrict __format, ...)
+ __THROW __attribute__ ((__format__ (__scanf__, 2, 3)));
+libc_hidden_proto(sscanf)
+__END_NAMESPACE_STD
+
+#ifdef __USE_ISOC99
+__BEGIN_NAMESPACE_C99
+/* Read formatted input from S into argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
+ __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
+libc_hidden_proto(vfscanf)
+
+/* Read formatted input from stdin into argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
/* Read formatted input from S into argument list ARG. */
-extern int vfscanf __P ((FILE *__restrict __s,
- __const char *__restrict __format,
- va_list __arg))
- __attribute__ ((__format__ (__scanf__, 2, 0)));
+extern int vsscanf (const char *__restrict __s,
+ const char *__restrict __format, __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
+libc_hidden_proto(vsscanf)
+__END_NAMESPACE_C99
+#endif /* Use ISO C9x. */
-/* Read formatted input from stdin into argument list ARG. */
-extern int vscanf __P ((__const char *__restrict __format, va_list __arg))
- __attribute__ ((__format__ (__scanf__, 1, 0)));
-/* Read formatted input from S into argument list ARG. */
-extern int vsscanf __P ((__const char *__restrict __s,
- __const char *__restrict __format,
- va_list __arg))
- __attribute__ ((__format__ (__scanf__, 2, 0)));
-
-
-/* Read a character from STREAM. */
-extern int fgetc __P ((FILE *__stream));
-extern int getc __P ((FILE *__stream));
-
-/* Read a character from stdin. */
-extern int getchar __P ((void));
-
-/* The C standard explicitly says this is a macro, so be that way */
-#define getc(stream) \
- (((stream)->bufpos >= (stream)->bufread) ? fgetc(stream): \
- (*(stream)->bufpos++))
-/* getchar() is equivalent to getc(stdin). Since getc is a macro,
- * that means that getchar() should be a macro too... */
-#define getchar() getc(stdin)
-
-/* Write a character to STREAM. */
-extern int fputc __P ((int __c, FILE *__stream));
-extern int putc __P ((int __c, FILE *__stream));
-
-/* Write a character to stdout. */
-extern int putchar __P ((int __c));
-
-/* The C standard explicitly says this can be a macro, so be that way */
-#define putc(c, stream) \
- (((stream)->bufpos >= (stream)->bufwrite) ? fputc((c), (stream)) \
- : (unsigned char) (*(stream)->bufpos++ = (c)) )
-/* putchar() is equivalent to putc(c,stdout). Since putc is a macro,
- * that means that putchar() should be a macro too... */
-#define putchar(c) putc((c), stdout)
-
-#if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN
+__BEGIN_NAMESPACE_STD
+/* Read a character from STREAM.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern int fgetc (FILE *__stream);
+libc_hidden_proto(fgetc)
+extern int getc (FILE *__stream);
+
+/* Read a character from stdin.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int getchar (void);
+__END_NAMESPACE_STD
+
+/* The C standard explicitly says this is a macro, so we always do the
+ optimization for it. */
+#define getc(_fp) __GETC(_fp)
+
+#if defined __USE_POSIX || defined __USE_MISC
+/* 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);
+libc_hidden_proto(getc_unlocked)
+extern int getchar_unlocked (void);
+libc_hidden_proto(getchar_unlocked)
+#endif /* Use POSIX or MISC. */
+
+#ifdef __USE_MISC
+/* Faster version when locking is not necessary.
+
+ This function is not part of POSIX and therefore no official
+ 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 fgetc_unlocked (FILE *__stream);
+libc_hidden_proto(fgetc_unlocked)
+#endif /* Use MISC. */
+
+
+__BEGIN_NAMESPACE_STD
+/* Write a character to STREAM.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW.
+
+ These functions is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fputc (int __c, FILE *__stream);
+libc_hidden_proto(fputc)
+extern int putc (int __c, FILE *__stream);
+
+/* Write a character to stdout.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int putchar (int __c);
+__END_NAMESPACE_STD
+
+/* The C standard explicitly says this can be a macro,
+ so we always do the optimization for it. */
+#define putc(_ch, _fp) __PUTC(_ch, _fp)
+
+#ifdef __USE_MISC
+/* Faster version when locking is not necessary.
+
+ This function is not part of POSIX and therefore no official
+ 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 fputc_unlocked (int __c, FILE *__stream);
+#endif /* Use MISC. */
+
+#if defined __USE_POSIX || defined __USE_MISC
+/* 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. */
+
+
+#if defined __USE_SVID || defined __USE_MISC \
+ || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
/* Get a word (int) from STREAM. */
-extern int getw __P ((FILE *__stream));
+extern int getw (FILE *__stream);
/* Write a word (int) to STREAM. */
-extern int putw __P ((int __w, FILE *__stream));
+extern int putw (int __w, FILE *__stream);
#endif
-/* Get a newline-terminated string of finite length from STREAM. */
-extern char *fgets __P ((char *__restrict __s, int __n,
- FILE *__restrict __stream));
+__BEGIN_NAMESPACE_STD
+/* Get a newline-terminated string of finite length from STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
+ __wur;
+libc_hidden_proto(fgets)
/* 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. */
-extern char *gets __P ((char *__s));
+ DO NOT USE THIS FUNCTION!! There is no limit on how much it will read.
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern char *gets (char *__s) __wur;
+__END_NAMESPACE_STD
#ifdef __USE_GNU
+/* This function does the same as `fgets' but does not lock the stream.
+
+ This function is not part of POSIX and therefore no official
+ 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 char *fgets_unlocked (char *__restrict __s, int __n,
+ FILE *__restrict __stream) __wur;
+libc_hidden_proto(fgets_unlocked)
+#endif
+
+
+#ifdef __USE_XOPEN2K8
/* Read up to (and including) a DELIMITER from STREAM into *LINEPTR
(and null-terminate it). *LINEPTR is a pointer returned from malloc (or
NULL), pointing to *N characters of space. It is realloc'd as
necessary. Returns the number of characters read (not including the
- null terminator), or -1 on error or EOF. */
-extern ssize_t __getdelim __P ((char **__restrict __lineptr,
- size_t *__restrict __n, int __delimiter,
- FILE *__restrict __stream));
-extern ssize_t getdelim __P ((char **__restrict __lineptr,
- size_t *__restrict __n, int __delimiter,
- FILE *__restrict __stream));
-
-/* Like `getdelim', but reads up to a newline. */
-extern ssize_t getline __P ((char **__restrict __lineptr,
- size_t *__restrict __n,
- FILE *__restrict __stream));
+ null terminator), or -1 on error or EOF.
+
+ 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. */
+#if 0 /* uClibc: disabled */
+extern __ssize_t __getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
#endif
+extern __ssize_t getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
+libc_hidden_proto(getdelim)
+
+/* Like `getdelim', but reads up to a newline.
+
+ This function is not part of POSIX and therefore no official
+ 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 __ssize_t getline (char **__restrict __lineptr,
+ size_t *__restrict __n,
+ FILE *__restrict __stream) __wur;
+libc_hidden_proto(getline)
+#endif
+
+__BEGIN_NAMESPACE_STD
+/* Write a string to STREAM.
-/* Write a string to STREAM. */
-extern int fputs __P ((__const char *__restrict __s,
- FILE *__restrict __stream));
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+extern int fputs (const char *__restrict __s, FILE *__restrict __stream);
+libc_hidden_proto(fputs)
-/* Write a string, followed by a newline, to stdout. */
-extern int puts __P ((__const char *__s));
+/* Write a string, followed by a newline, to stdout.
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+extern int puts (const char *__s);
-/* Push a character back onto the input buffer of STREAM. */
-extern int ungetc __P ((int __c, FILE *__stream));
+/* Push a character back onto the input buffer of STREAM.
-/* Read chunks of generic data from STREAM. */
-extern size_t fread __P ((void *__restrict __ptr, size_t __size,
- size_t __n, FILE *__restrict __stream));
-/* Write chunks of generic data to STREAM. */
-extern size_t fwrite __P ((__const void *__restrict __ptr, size_t __size,
- size_t __n, FILE *__restrict __s));
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+extern int ungetc (int __c, FILE *__stream);
+libc_hidden_proto(ungetc)
-/* Rewind to the beginning of STREAM. */
-extern void rewind __P ((FILE *__stream));
-/* Seek to a certain position on STREAM. */
-extern int fseek __P ((FILE *__stream, long int __off, int __whence));
-/* Return the current position of STREAM. */
-extern long int ftell __P ((FILE *__stream));
+/* Read chunks of generic data from STREAM.
+
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+extern size_t fread (void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream) __wur;
+libc_hidden_proto(fread)
+/* Write chunks of generic data to STREAM.
+
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+extern size_t fwrite (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __s) __wur;
+libc_hidden_proto(fwrite)
+__END_NAMESPACE_STD
+
+#ifdef __USE_GNU
+/* This function does the same as `fputs' but does not lock the stream.
+
+ This function is not part of POSIX and therefore no official
+ 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,
+ FILE *__restrict __stream);
+libc_hidden_proto(fputs_unlocked)
+#endif
+
+#ifdef __USE_MISC
+/* Faster versions when locking is not necessary.
+
+ 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 size_t fread_unlocked (void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream) __wur;
+libc_hidden_proto(fread_unlocked)
+extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream) __wur;
+libc_hidden_proto(fwrite_unlocked)
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+/* Seek to a certain position on STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fseek (FILE *__stream, long int __off, int __whence);
+libc_hidden_proto(fseek)
+/* Return the current position of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern long int ftell (FILE *__stream) __wur;
+libc_hidden_proto(ftell)
+/* Rewind to the beginning of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void rewind (FILE *__stream);
+libc_hidden_proto(rewind)
+__END_NAMESPACE_STD
/* The Single Unix Specification, Version 2, specifies an alternative,
more adequate interface for the two functions above which deal with
file offset. `long int' is not the right type. These definitions
are originally defined in the Large File Support API. */
-/* Types needed in these functions. */
-#ifndef off_t
-typedef __off_t off_t;
-# define off_t off_t
+#if defined __USE_LARGEFILE || defined __USE_XOPEN2K
+# ifndef __USE_FILE_OFFSET64
+/* Seek to a certain position on STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fseeko (FILE *__stream, __off_t __off, int __whence);
+/* Return the current position of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern __off_t ftello (FILE *__stream) __wur;
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (fseeko,
+ (FILE *__stream, __off64_t __off, int __whence),
+ fseeko64);
+extern __off64_t __REDIRECT (ftello, (FILE *__stream), ftello64);
+# else
+# define fseeko fseeko64
+# define ftello ftello64
+# endif
+# endif
#endif
-#if defined __USE_LARGEFILE64 && !defined off64_t
-typedef __off64_t off64_t;
-# define off64_t off64_t
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
+/* Get STREAM's position.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
+/* Set STREAM's position.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+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);
+# else
+# define fgetpos fgetpos64
+# define fsetpos fsetpos64
+# endif
#endif
+__END_NAMESPACE_STD
-#ifndef fpos_t
-typedef off_t fpos_t;
-#define fpos_t fpos_t
+#ifdef __USE_LARGEFILE64
+extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
+libc_hidden_proto(fseeko64)
+extern __off64_t ftello64 (FILE *__stream) __wur;
+libc_hidden_proto(ftello64)
+extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos);
+extern int fsetpos64 (FILE *__stream, const fpos64_t *__pos);
#endif
-/* Seek to a certain position on STREAM. */
-extern int fsetpos __P((FILE *__stream, __const fpos_t *__pos));
-/* Return the current position of STREAM. */
-extern int fgetpos __P((FILE *__stream, fpos_t *__pos));
-
+__BEGIN_NAMESPACE_STD
/* Clear the error and EOF indicators for STREAM. */
-extern void clearerr __P ((FILE *__stream));
+extern void clearerr (FILE *__stream) __THROW;
/* Return the EOF indicator for STREAM. */
-extern int feof __P ((FILE *__stream));
+extern int feof (FILE *__stream) __THROW __wur;
/* Return the error indicator for STREAM. */
-extern int ferror __P ((FILE *__stream));
+extern int ferror (FILE *__stream) __THROW __wur;
+__END_NAMESPACE_STD
+
+#ifdef __USE_MISC
+/* Faster versions when locking is not required. */
+extern void clearerr_unlocked (FILE *__stream) __THROW;
+extern int feof_unlocked (FILE *__stream) __THROW __wur;
+extern int ferror_unlocked (FILE *__stream) __THROW __wur;
+#endif
+
-/* Print a message describing the meaning of the value of errno. */
-extern void perror __P ((__const char *__s));
+__BEGIN_NAMESPACE_STD
+/* Print a message describing the meaning of the value of errno.
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void perror (const char *__s);
+libc_hidden_proto(perror)
+__END_NAMESPACE_STD
+
+#ifdef __UCLIBC_HAS_SYS_ERRLIST__
/* These variables normally should not be used directly. The `strerror'
function provides all the needed functionality. */
+#ifdef __USE_BSD
extern int sys_nerr;
-extern __const char *__const sys_errlist[];
+extern const char *const sys_errlist[];
+#endif
+#endif /* __UCLIBC_HAS_SYS_ERRLIST__ */
+
#ifdef __USE_POSIX
/* Return the system file descriptor for STREAM. */
-extern int fileno __P ((FILE *__stream));
-/* Only use the macro below if you know fp is a valid FILE for a valid fd. */
-#define __fileno(fp) ((fp)->fd)
+extern int fileno (FILE *__stream) __THROW __wur;
+libc_hidden_proto(fileno)
#endif /* Use POSIX. */
+#ifdef __USE_MISC
+/* Faster version when locking is not required. */
+extern int fileno_unlocked (FILE *__stream) __THROW __wur;
+libc_hidden_proto(fileno_unlocked)
+#endif
+
+
#if (defined __USE_POSIX2 || defined __USE_SVID || defined __USE_BSD || \
defined __USE_MISC)
-/* Create a new stream connected to a pipe running the given command. */
-extern FILE *popen __P ((__const char *__command, __const char *__mode));
+/* 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;
+
+/* Close a stream opened by popen and return the status of its child.
-/* Close a stream opened by popen and return the status of its child. */
-extern int pclose __P ((FILE *__stream));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int pclose (FILE *__stream);
#endif
#ifdef __USE_POSIX
/* Return the name of the controlling terminal. */
-extern char *ctermid __P ((char *__s));
+extern char *ctermid (char *__s) __THROW;
#endif /* Use POSIX. */
#ifdef __USE_XOPEN
/* Return the name of the current user. */
-extern char *cuserid __P ((char *__s));
-#endif /* Use X/Open. */
+extern char *cuserid (char *__s);
+#endif /* Use X/Open, but not issue 6. */
+
+
+#if defined __USE_GNU && defined __UCLIBC_HAS_OBSTACK__
+struct obstack; /* See <obstack.h>. */
+
+/* Write formatted output to an obstack. */
+extern int obstack_printf (struct obstack *__restrict __obstack,
+ const char *__restrict __format, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
+extern int obstack_vprintf (struct obstack *__restrict __obstack,
+ const char *__restrict __format,
+ __gnuc_va_list __args)
+ __THROW __attribute__ ((__format__ (__printf__, 2, 0)));
+libc_hidden_proto(obstack_vprintf)
+#endif /* USE_GNU && UCLIBC_HAS_OBSTACK. */
#if defined __USE_POSIX || defined __USE_MISC
/* These are defined in POSIX.1:1996. */
/* Acquire ownership of STREAM. */
-extern void flockfile __P ((FILE *__stream));
+extern void flockfile (FILE *__stream) __THROW;
/* Try to acquire ownership of STREAM but do not block if it is not
possible. */
-extern int ftrylockfile __P ((FILE *__stream));
+extern int ftrylockfile (FILE *__stream) __THROW __wur;
/* Relinquish the ownership granted for STREAM. */
-extern void funlockfile __P ((FILE *__stream));
+extern void funlockfile (FILE *__stream) __THROW;
#endif /* POSIX || misc */
-#if defined __USE_XOPEN && !defined __USE_GNU
+#if defined __USE_XOPEN && !defined __USE_XOPEN2K && !defined __USE_GNU
/* The X/Open standard requires some functions and variables to be
declared here which do not belong into this header. But we have to
follow. In GNU mode we don't do this nonsense. */
# define __need_getopt
-# include <getopt.h>
-#endif
+/* keep this on uClibc in bits/, we need it when GNU_GETOPT is disabled */
+# include <bits/getopt.h>
+#endif /* X/Open, but not issue 6 and not for GNU. */
/* If we are compiling with optimizing read this file. It contains
- several optizing inline functions and macros. */
-#ifdef __USE_EXTERN_INLINES
-# include <bits/stdio.h>
+ several optimizing inline functions and macros. */
+
+#ifdef __UCLIBC__
+
+#define fgetc(_fp) __FGETC(_fp)
+#define fputc(_ch, _fp) __FPUTC(_ch, _fp)
+
+#if defined __USE_POSIX || defined __USE_MISC
+/* SUSv3 allows getc_unlocked to be a macro */
+#define getc_unlocked(_fp) __GETC_UNLOCKED(_fp)
+/* SUSv3 allows putc_unlocked to be a macro */
+#define putc_unlocked(_ch, _fp) __PUTC_UNLOCKED(_ch, _fp)
+#endif
+
+#ifdef __USE_MISC
+#define fgetc_unlocked(_fp) __FGETC_UNLOCKED(_fp)
+#define fputc_unlocked(_ch, _fp) __FPUTC_UNLOCKED(_ch, _fp)
+#endif
+
+#define getchar() __GETC(__stdin)
+#define putchar(_ch) __PUTC((_ch), __stdout)
+
+#if defined __USE_POSIX || defined __USE_MISC
+#define getchar_unlocked() __GETC_UNLOCKED(__stdin)
+#define putchar_unlocked(_ch) __PUTC_UNLOCKED((_ch), __stdout)
+#endif
+
+/* Clear the error and EOF indicators for STREAM. */
+#define clearerr(_fp) __CLEARERR(_fp)
+#define feof(_fp) __FEOF(_fp)
+#define ferror(_fp) __FERROR(_fp)
+
+#ifdef __USE_MISC
+#define clearerr_unlocked(_fp) __CLEARERR_UNLOCKED(_fp)
+#define feof_unlocked(_fp) __FEOF_UNLOCKED(_fp)
+#define ferror_unlocked(_fp) __FERROR_UNLOCKED(_fp)
+#endif
+
#endif
__END_DECLS
+#endif /* <stdio.h> included. */
+
#endif /* !_STDIO_H */
OSDN Git Service
