diff options
author | Manuel Novoa III <mjn3@codepoet.org> | 2002-03-12 01:18:50 +0000 |
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committer | Manuel Novoa III <mjn3@codepoet.org> | 2002-03-12 01:18:50 +0000 |
commit | 03e039820dc5092e27e81f3671652f25da7f25f1 (patch) | |
tree | 37bddad6951b8a6aa5d75184353705f672217812 /include/stdio_ext.h | |
parent | ff3e48d94097ed02480bb0df538620b221ccd72f (diff) |
Swap in the new stdio code.
Diffstat (limited to 'include/stdio_ext.h')
-rw-r--r-- | include/stdio_ext.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/stdio_ext.h b/include/stdio_ext.h new file mode 100644 index 000000000..55586ea84 --- /dev/null +++ b/include/stdio_ext.h @@ -0,0 +1,87 @@ +/* Functions to access FILE structure internals. + Copyright (C) 2000, 2001 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 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 + 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. */ + +/* This header contains the same definitions as the header of the same name + on Sun's Solaris OS. */ + +#ifndef _STDIO_EXT_H +#define _STDIO_EXT_H 1 + +#include <stdio.h> + +enum +{ + /* Query current state of the locking status. */ + FSETLOCKING_QUERY = 0, +#define FSETLOCKING_QUERY FSETLOCKING_QUERY + /* The library protects all uses of the stream functions, except for + uses of the *_unlocked functions, by calls equivalent to flockfile(). */ + FSETLOCKING_INTERNAL, +#define FSETLOCKING_INTERNAL FSETLOCKING_INTERNAL + /* The user will take care of locking. */ + FSETLOCKING_BYCALLER +#define FSETLOCKING_BYCALLER FSETLOCKING_BYCALLER +}; + + +__BEGIN_DECLS + +/* Return the size of the buffer of FP in bytes currently in use by + the given stream. */ +extern size_t __fbufsize (FILE *__fp); + + +/* Return non-zero value iff the stream FP is opened readonly, or if the + last operation on the stream was a read operation. */ +extern int __freading (FILE *__fp); + +/* Return non-zero value iff the stream FP is opened write-only or + append-only, or if the last operation on the stream was a write + operation. */ +extern int __fwriting (FILE *__fp); + + +/* Return non-zero value iff stream FP is not opened write-only or + append-only. */ +extern int __freadable (FILE *__fp); + +/* Return non-zero value iff stream FP is not opened read-only. */ +extern int __fwritable (FILE *__fp); + + +/* Return non-zero value iff the stream FP is line-buffered. */ +extern int __flbf (FILE *__fp); + + +/* Discard all pending buffered I/O on the stream FP. */ +extern void __fpurge (FILE *__fp); + +/* Return amount of output in bytes pending on a stream FP. */ +extern size_t __fpending (FILE *__fp); + +/* Flush all line-buffered files. */ +extern void _flushlbf (void); + + +/* Set locking status of stream FP to TYPE. */ +extern int __fsetlocking (FILE *__fp, int __type); + +__END_DECLS + +#endif /* stdio_ext.h */ |