stdioP.h
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上传日期:2008-05-12
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文件大小:5k
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VxWorks
开发平台:
C/C++
- /* stdioP.h - header file for ANSI stdio library */
- /* Copyright 1992 Wind River Systems, Inc. */
- /*
- modification history
- --------------------
- 01d,14nov92,jcf removed redundant prototypes.
- 01c,22sep92,rrr added support for c++
- 01b,02aug92,jcf moved srget/swbuf prototypes to stdio.h.
- 01a,29jul92,jcf added stdio internal routines to manage memory.
- smb taken from UCB stdio library.
- */
- #ifndef __INCstdioPh
- #define __INCstdioPh
- #ifdef __cplusplus
- extern "C" {
- #endif
- /*
- DESCRIPTION
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Chris Torek.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)local.h 5.2 (Berkeley) 2/5/91
- *
- * Information local to this implementation of stdio,
- * in particular, macros and private variables.
- *
- SEE ALSO: American National Standard X3.159-1989
- */
- #include "stdio.h"
- /*
- * This is a #define because the function is used internally and
- * (unlike vfscanf) the name __svfscanf is guaranteed not to collide
- * with a user function when _ANSI_SOURCE or _POSIX_SOURCE is defined.
- */
- #define vfscanf __svfscanf
- /* Routines that are purely local to the implementation */
- #if defined(__STDC__) || defined(__cplusplus)
- extern STATUS stdioFpDestroy (FILE *fp);
- extern FILE * stdioFpCreate (void);
- extern char * fgetline (FILE *, size_t *);
- extern int fpurge (FILE *);
- extern int pclose (FILE *);
- extern FILE * popen (const char *, const char *);
- extern char * tempnam (const char *, const char *);
- extern int snprintf (char *, size_t, const char *, ...);
- extern int vsnprintf (char *, size_t, const char *, va_list);
- extern int vscanf (const char *, va_list);
- extern int vsscanf (const char *, const char *, va_list);
- extern int __svfscanf (FILE *, const char *, va_list);
- extern int __sflush (FILE *);
- extern FILE * __sfp (void);
- extern int __srefill (FILE *);
- extern int __sread (FILE *, char *, int);
- extern int __swrite (FILE *, char const *, int);
- extern fpos_t __sseek (FILE *, fpos_t, int);
- extern int __sclose (FILE *);
- extern void __sinit (void);
- extern void __smakebuf (FILE *);
- extern int __swsetup (FILE *);
- extern int __sflags (const char *, int *);
- #else /* __STDC__ */
- extern STATUS stdioFpDestroy ();
- extern FILE * stdioFpCreate ();
- extern char * fgetline ();
- extern int fpurge ();
- extern int pclose ();
- extern FILE * popen ();
- extern char * tempnam ();
- extern int snprintf ();
- extern int vsnprintf ();
- extern int vscanf ();
- extern int vsscanf ();
- extern int __svfscanf ();
- extern int __sflush ();
- extern FILE * __sfp ();
- extern int __srefill ();
- extern int __sread ();
- extern int __swrite ();
- extern fpos_t __sseek ();
- extern int __sclose ();
- extern void __sinit ();
- extern void __smakebuf ();
- extern int __swsetup ();
- extern int __sflags ();
- #endif /* __STDC__ */
- /* Return true iff the given FILE cannot be written now. */
- #define cantwrite(fp)
- ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) &&
- __swsetup(fp))
- /* Test whether the given stdio file has an active ungetc buffer;
- * release such a buffer, without restoring ordinary unread data.
- */
- #define HASUB(fp) ((fp)->_ub._base != NULL)
- #define FREEUB(fp)
- {
- if ((fp)->_ub._base != (fp)->_ubuf)
- free ((char *)(fp)->_ub._base);
- (fp)->_ub._base = NULL;
- }
- /* test for an fgetline() buffer. */
- #define HASLB(fp) ((fp)->_lb._base != NULL)
- #define FREELB(fp)
- {
- free ((char *)(fp)->_lb._base);
- (fp)->_lb._base = NULL;
- }
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCstdioPh */