mirror of
https://sourceware.org/git/glibc.git
synced 2025-07-29 11:41:21 +03:00
Prepare headers for use in ISO C++ compliant implementations.
This commit is contained in:
Ulrich Drepper
101
libio/stdio.h
101
libio/stdio.h
@ -41,8 +41,15 @@ __BEGIN_DECLS
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#if !defined __FILE_defined && defined __need_FILE
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__BEGIN_NAMESPACE_STD
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/* The opaque type of streams. This is the definition used elsewhere. */
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typedef struct _IO_FILE FILE;
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__END_NAMESPACE_STD
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#if defined __USE_LARGEFILE64 || defined __USE_SVID || defined __USE_POSIX \
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|| defined __USE_BSD || defined __USE_ISOC99 || defined __USE_XOPEN \
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|| defined __USE_POSIX2
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__USING_NAMESPACE_STD(FILE)
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#endif
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# define __FILE_defined 1
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#endif /* FILE not defined. */
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@ -76,11 +83,13 @@ typedef _G_va_list va_list;
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#endif
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/* The type of the second argument to `fgetpos' and `fsetpos'. */
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__BEGIN_NAMESPACE_STD
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#ifndef __USE_FILE_OFFSET64
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typedef _G_fpos_t fpos_t;
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#else
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typedef _G_fpos64_t fpos_t;
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#endif
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__END_NAMESPACE_STD
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#ifdef __USE_LARGEFILE64
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typedef _G_fpos64_t fpos64_t;
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#endif
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@ -130,20 +139,23 @@ typedef _G_fpos64_t fpos64_t;
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/* Standard streams. */
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extern FILE *stdin; /* Standard input stream. */
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extern FILE *stdout; /* Standard output stream. */
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extern FILE *stderr; /* Standard error output stream. */
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extern struct _IO_FILE *stdin; /* Standard input stream. */
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extern struct _IO_FILE *stdout; /* Standard output stream. */
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extern struct _IO_FILE *stderr; /* Standard error output stream. */
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/* C89/C99 say they're macros. Make them happy. */
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#define stdin stdin
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#define stdout stdout
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#define stderr stderr
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__BEGIN_NAMESPACE_STD
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/* Remove file FILENAME. */
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extern int remove (__const char *__filename) __THROW;
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/* Rename file OLD to NEW. */
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extern int rename (__const char *__old, __const char *__new) __THROW;
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__END_NAMESPACE_STD
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__BEGIN_NAMESPACE_STD
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/* Create a temporary file and open it read/write. */
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#ifndef __USE_FILE_OFFSET64
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extern FILE *tmpfile (void) __THROW;
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@ -154,11 +166,14 @@ extern FILE *__REDIRECT (tmpfile, (void) __THROW, tmpfile64);
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# define tmpfile tmpfile64
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# endif
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#endif
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/* Generate a temporary filename. */
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extern char *tmpnam (char *__s) __THROW;
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__END_NAMESPACE_STD
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#ifdef __USE_LARGEFILE64
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extern FILE *tmpfile64 (void) __THROW;
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#endif
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/* Generate a temporary filename. */
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extern char *tmpnam (char *__s) __THROW;
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#ifdef __USE_MISC
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/* This is the reentrant variant of `tmpnam'. The only difference is
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@ -180,10 +195,12 @@ extern char *tempnam (__const char *__dir, __const char *__pfx)
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#endif
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__BEGIN_NAMESPACE_STD
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/* Close STREAM. */
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extern int fclose (FILE *__stream) __THROW;
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/* Flush STREAM, or all streams if STREAM is NULL. */
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extern int fflush (FILE *__stream) __THROW;
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__END_NAMESPACE_STD
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#ifdef __USE_MISC
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/* Faster versions when locking is not required. */
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@ -196,6 +213,7 @@ extern int fcloseall (void) __THROW;
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#endif
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__BEGIN_NAMESPACE_STD
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#ifndef __USE_FILE_OFFSET64
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/* Open a file and create a new stream for it. */
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extern FILE *fopen (__const char *__restrict __filename,
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@ -218,6 +236,7 @@ extern FILE *__REDIRECT (freopen, (__const char *__restrict __filename,
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# define freopen freopen64
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# endif
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#endif
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__END_NAMESPACE_STD
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#ifdef __USE_LARGEFILE64
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extern FILE *fopen64 (__const char *__restrict __filename,
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__const char *__restrict __modes) __THROW;
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@ -249,6 +268,7 @@ extern FILE *open_memstream (char **__restrict __bufloc,
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#endif
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__BEGIN_NAMESPACE_STD
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/* If BUF is NULL, make STREAM unbuffered.
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Else make it use buffer BUF, of size BUFSIZ. */
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extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __THROW;
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@ -257,6 +277,7 @@ extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __THROW;
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else allocate an internal buffer N bytes long. */
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extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
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int __modes, size_t __n) __THROW;
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__END_NAMESPACE_STD
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#ifdef __USE_BSD
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/* If BUF is NULL, make STREAM unbuffered.
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@ -269,6 +290,7 @@ extern void setlinebuf (FILE *__stream) __THROW;
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#endif
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__BEGIN_NAMESPACE_STD
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/* Write formatted output to STREAM. */
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extern int fprintf (FILE *__restrict __stream,
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__const char *__restrict __format, ...) __THROW;
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@ -287,8 +309,10 @@ extern int vprintf (__const char *__restrict __format, _G_va_list __arg)
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/* Write formatted output to S from argument list ARG. */
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extern int vsprintf (char *__restrict __s, __const char *__restrict __format,
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_G_va_list __arg) __THROW;
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__END_NAMESPACE_STD
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#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98
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__BEGIN_NAMESPACE_C99
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/* Maximum chars of output to write in MAXLEN. */
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extern int snprintf (char *__restrict __s, size_t __maxlen,
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__const char *__restrict __format, ...)
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@ -297,6 +321,7 @@ extern int snprintf (char *__restrict __s, size_t __maxlen,
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extern int vsnprintf (char *__restrict __s, size_t __maxlen,
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__const char *__restrict __format, _G_va_list __arg)
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__THROW __attribute__ ((__format__ (__printf__, 3, 0)));
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__END_NAMESPACE_C99
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#endif
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#ifdef __USE_GNU
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@ -321,6 +346,7 @@ extern int dprintf (int __fd, __const char *__restrict __fmt, ...)
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#endif
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__BEGIN_NAMESPACE_STD
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/* Read formatted input from STREAM. */
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extern int fscanf (FILE *__restrict __stream,
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__const char *__restrict __format, ...) __THROW;
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@ -329,8 +355,10 @@ extern int scanf (__const char *__restrict __format, ...) __THROW;
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/* Read formatted input from S. */
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extern int sscanf (__const char *__restrict __s,
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__const char *__restrict __format, ...) __THROW;
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__END_NAMESPACE_STD
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#ifdef __USE_ISOC99
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__BEGIN_NAMESPACE_C99
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/* Read formatted input from S into argument list ARG. */
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extern int vfscanf (FILE *__restrict __s, __const char *__restrict __format,
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_G_va_list __arg)
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@ -344,15 +372,18 @@ extern int vscanf (__const char *__restrict __format, _G_va_list __arg)
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extern int vsscanf (__const char *__restrict __s,
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__const char *__restrict __format, _G_va_list __arg)
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__THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
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__END_NAMESPACE_C99
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#endif /* Use ISO C9x. */
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__BEGIN_NAMESPACE_STD
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/* Read a character from STREAM. */
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extern int fgetc (FILE *__stream) __THROW;
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extern int getc (FILE *__stream) __THROW;
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/* Read a character from stdin. */
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extern int getchar (void) __THROW;
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__END_NAMESPACE_STD
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/* The C standard explicitly says this is a macro, so we always do the
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optimization for it. */
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@ -370,12 +401,14 @@ extern int fgetc_unlocked (FILE *__stream) __THROW;
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#endif /* Use MISC. */
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__BEGIN_NAMESPACE_STD
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/* Write a character to STREAM. */
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extern int fputc (int __c, FILE *__stream) __THROW;
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extern int putc (int __c, FILE *__stream) __THROW;
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/* Write a character to stdout. */
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extern int putchar (int __c) __THROW;
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__END_NAMESPACE_STD
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/* The C standard explicitly says this can be a macro,
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so we always do the optimization for it. */
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@ -402,20 +435,22 @@ extern int putw (int __w, FILE *__stream) __THROW;
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#endif
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__BEGIN_NAMESPACE_STD
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/* Get a newline-terminated string of finite length from STREAM. */
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extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
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__THROW;
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/* Get a newline-terminated string from stdin, removing the newline.
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DO NOT USE THIS FUNCTION!! There is no limit on how much it will read. */
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extern char *gets (char *__s) __THROW;
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__END_NAMESPACE_STD
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#ifdef __USE_GNU
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/* This function does the same as `fgets' but does not lock the stream. */
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extern char *fgets_unlocked (char *__restrict __s, int __n,
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FILE *__restrict __stream) __THROW;
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#endif
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/* Get a newline-terminated string from stdin, removing the newline.
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DO NOT USE THIS FUNCTION!! There is no limit on how much it will read. */
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extern char *gets (char *__s) __THROW;
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#ifdef __USE_GNU
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/* Read up to (and including) a DELIMITER from STREAM into *LINEPTR
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@ -437,16 +472,11 @@ extern _IO_ssize_t getline (char **__restrict __lineptr,
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#endif
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__BEGIN_NAMESPACE_STD
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/* Write a string to STREAM. */
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extern int fputs (__const char *__restrict __s, FILE *__restrict __stream)
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__THROW;
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#ifdef __USE_GNU
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/* This function does the same as `fputs' but does not lock the stream. */
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extern int fputs_unlocked (__const char *__restrict __s,
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FILE *__restrict __stream) __THROW;
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#endif
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/* Write a string, followed by a newline, to stdout. */
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extern int puts (__const char *__s) __THROW;
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@ -461,6 +491,13 @@ extern size_t fread (void *__restrict __ptr, size_t __size,
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/* Write chunks of generic data to STREAM. */
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extern size_t fwrite (__const void *__restrict __ptr, size_t __size,
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size_t __n, FILE *__restrict __s) __THROW;
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__END_NAMESPACE_STD
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#ifdef __USE_GNU
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/* This function does the same as `fputs' but does not lock the stream. */
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extern int fputs_unlocked (__const char *__restrict __s,
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FILE *__restrict __stream) __THROW;
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#endif
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#ifdef __USE_MISC
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/* Faster versions when locking is not necessary. */
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@ -471,26 +508,41 @@ extern size_t fwrite_unlocked (__const void *__restrict __ptr, size_t __size,
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#endif
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__BEGIN_NAMESPACE_STD
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/* Seek to a certain position on STREAM. */
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extern int fseek (FILE *__stream, long int __off, int __whence) __THROW;
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/* Return the current position of STREAM. */
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extern long int ftell (FILE *__stream) __THROW;
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/* Rewind to the beginning of STREAM. */
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extern void rewind (FILE *__stream) __THROW;
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__END_NAMESPACE_STD
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/* The Single Unix Specification, Version 2, specifies an alternative,
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more adequate interface for the two functions above which deal with
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file offset. `long int' is not the right type. These definitions
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are originally defined in the Large File Support API. */
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#ifndef __USE_FILE_OFFSET64
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# ifdef __USE_LARGEFILE
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#ifdef __USE_LARGEFILE
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# ifndef __USE_FILE_OFFSET64
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/* Seek to a certain position on STREAM. */
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extern int fseeko (FILE *__stream, __off_t __off, int __whence) __THROW;
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/* Return the current position of STREAM. */
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extern __off_t ftello (FILE *__stream) __THROW;
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# else
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# ifdef __REDIRECT
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extern int __REDIRECT (fseeko,
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(FILE *__stream, __off64_t __off, int __whence) __THROW,
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fseeko64);
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extern __off64_t __REDIRECT (ftello, (FILE *__stream) __THROW, ftello64);
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# else
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# define fseeko fseeko64
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# define ftello ftello64
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# endif
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# endif
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#endif
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__BEGIN_NAMESPACE_STD
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#ifndef __USE_FILE_OFFSET64
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/* Get STREAM's position. */
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extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos)
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__THROW;
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@ -498,26 +550,17 @@ extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos)
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extern int fsetpos (FILE *__stream, __const fpos_t *__pos) __THROW;
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#else
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# ifdef __REDIRECT
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# ifdef __USE_LARGEFILE
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extern int __REDIRECT (fseeko,
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(FILE *__stream, __off64_t __off, int __whence) __THROW,
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fseeko64);
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extern __off64_t __REDIRECT (ftello, (FILE *__stream) __THROW, ftello64);
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# endif
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extern int __REDIRECT (fgetpos, (FILE *__restrict __stream,
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fpos_t *__restrict __pos) __THROW, fgetpos64);
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extern int __REDIRECT (fsetpos,
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(FILE *__stream, __const fpos_t *__pos) __THROW,
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fsetpos64);
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# else
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# ifdef __USE_LARGEFILE
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# define fseeko fseeko64
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# define ftello ftello64
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# endif
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# define fgetpos fgetpos64
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# define fsetpos fsetpos64
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# endif
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#endif
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__END_NAMESPACE_STD
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#ifdef __USE_LARGEFILE64
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extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence) __THROW;
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@ -527,12 +570,14 @@ extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos)
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extern int fsetpos64 (FILE *__stream, __const fpos64_t *__pos) __THROW;
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#endif
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__BEGIN_NAMESPACE_STD
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/* Clear the error and EOF indicators for STREAM. */
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extern void clearerr (FILE *__stream) __THROW;
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/* Return the EOF indicator for STREAM. */
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extern int feof (FILE *__stream) __THROW;
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/* Return the error indicator for STREAM. */
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extern int ferror (FILE *__stream) __THROW;
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__END_NAMESPACE_STD
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#ifdef __USE_MISC
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/* Faster versions when locking is not required. */
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@ -542,8 +587,10 @@ extern int ferror_unlocked (FILE *__stream) __THROW;
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#endif
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__BEGIN_NAMESPACE_STD
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/* Print a message describing the meaning of the value of errno. */
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extern void perror (__const char *__s) __THROW;
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__END_NAMESPACE_STD
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/* Provide the declarations for `sys_errlist' and `sys_nerr' if they
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are available on this system. Even if available, these variables
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